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mqtt stuff added

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This commit is contained in:
Wolfgang Hottgenroth 2018-05-16 10:44:10 +02:00
parent 74584cdbbe
commit c7eb46b346
Signed by: wn
GPG Key ID: B586EAFCDF2F65F4
499 changed files with 55775 additions and 19 deletions
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3
PiAlive.conf
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"brokerPass": "",
"brokerCa": "",
"topic": "dispatcher_ng/i/am/alive",
"heartbeatInterval": 5000
"heartbeatInterval": 5000,
"verbose": true
}

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node_modules/.bin/leven generated vendored Symbolic link
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../leven/cli.js

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node_modules/.bin/mqtt generated vendored Symbolic link
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../mqtt/mqtt.js

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node_modules/.bin/mqtt_pub generated vendored Symbolic link
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../mqtt/bin/pub.js

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node_modules/.bin/mqtt_sub generated vendored Symbolic link
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../mqtt/bin/sub.js

21
node_modules/@types/mqtt/LICENSE generated vendored Normal file
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MIT License
Copyright (c) Microsoft Corporation. All rights reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE

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node_modules/@types/mqtt/README.md generated vendored Normal file
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This is a stub types definition for MQTT (https://github.com/mqttjs/MQTT.js).
MQTT provides its own type definitions, so you don't need @types/mqtt installed!

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node_modules/@types/mqtt/package.json generated vendored Normal file
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{
"_from": "@types/mqtt@^2.5.0",
"_id": "@types/mqtt@2.5.0",
"_inBundle": false,
"_integrity": "sha512-n+0/ErBin30j+UbhcHGK/STjHjh65k85WNR6NlUjRG0g9yctpF12pS+SOkwz0wmp+7momAo9Cyi4Wmvy8UsCQg==",
"_location": "/@types/mqtt",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "@types/mqtt@^2.5.0",
"name": "@types/mqtt",
"escapedName": "@types%2fmqtt",
"scope": "@types",
"rawSpec": "^2.5.0",
"saveSpec": null,
"fetchSpec": "^2.5.0"
},
"_requiredBy": [
"#DEV:/",
"#USER"
],
"_resolved": "https://registry.npmjs.org/@types/mqtt/-/mqtt-2.5.0.tgz",
"_shasum": "bc54c2d53f509282168da4a9af865de95bee5101",
"_spec": "@types/mqtt@^2.5.0",
"_where": "/home/wn/workspace-node/PiAlive",
"author": "",
"bugs": {
"url": "https://github.com/mqttjs/MQTT.js/issues"
},
"bundleDependencies": false,
"dependencies": {
"mqtt": "*"
},
"deprecated": "This is a stub types definition for MQTT (https://github.com/mqttjs/MQTT.js). MQTT provides its own type definitions, so you don't need @types/mqtt installed!",
"description": "Stub TypeScript definitions entry for MQTT, which provides its own types definitions",
"homepage": "https://github.com/mqttjs/MQTT.js#readme",
"license": "MIT",
"main": "",
"name": "@types/mqtt",
"repository": {
"type": "git",
"url": "git+https://github.com/mqttjs/MQTT.js.git"
},
"scripts": {},
"typings": null,
"version": "2.5.0"
}

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node_modules/async-limiter/.travis.yml generated vendored Normal file
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language: node_js
node_js:
- "6"
- "node"
script: npm run travis
cache:
yarn: true

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The MIT License (MIT)
Copyright (c) 2017 Samuel Reed <samuel.trace.reed@gmail.com>
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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<!doctype html>
<html lang="en">
<head>
<title>Code coverage report for async-throttle/</title>
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<div class="header high">
<h1>Code coverage report for <span class="entity">async-throttle/</span></h1>
<h2>
Statements: <span class="metric">100% <small>(37 / 37)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
Branches: <span class="metric">92.86% <small>(13 / 14)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
Functions: <span class="metric">100% <small>(7 / 7)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
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Ignored: <span class="metric"><span class="ignore-none">none</span></span> &nbsp;&nbsp;&nbsp;&nbsp;
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<div class="path"><a href="../index.html">All files</a> &#187; async-throttle/</div>
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<th data-col="functions_raw" data-type="number" data-fmt="html" class="abs"></th>
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<td class="file high" data-value="index.js"><a href="index.js.html">index.js</a></td>
<td data-value="100" class="pic high"><span class="cover-fill cover-full" style="width: 100px;"></span><span class="cover-empty" style="width:0px;"></span></td>
<td data-value="100" class="pct high">100%</td>
<td data-value="37" class="abs high">(37&nbsp;/&nbsp;37)</td>
<td data-value="92.86" class="pct high">92.86%</td>
<td data-value="14" class="abs high">(13&nbsp;/&nbsp;14)</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="7" class="abs high">(7&nbsp;/&nbsp;7)</td>
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node_modules/async-limiter/coverage/lcov-report/async-throttle/index.js.html generated vendored Normal file
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<!doctype html>
<html lang="en">
<head>
<title>Code coverage report for async-throttle/index.js</title>
<meta charset="utf-8">
<link rel="stylesheet" href="../prettify.css">
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div.coverage-summary .sorter {
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<body>
<div class="header high">
<h1>Code coverage report for <span class="entity">async-throttle/index.js</span></h1>
<h2>
Statements: <span class="metric">100% <small>(37 / 37)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
Branches: <span class="metric">92.86% <small>(13 / 14)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
Functions: <span class="metric">100% <small>(7 / 7)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
Lines: <span class="metric">100% <small>(37 / 37)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
Ignored: <span class="metric"><span class="ignore-none">none</span></span> &nbsp;&nbsp;&nbsp;&nbsp;
</h2>
<div class="path"><a href="../index.html">All files</a> &#187; <a href="index.html">async-throttle/</a> &#187; index.js</div>
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">'use strict';
&nbsp;
function Queue(options) {
if (!(this instanceof Queue)) {
return new Queue(options);
}
&nbsp;
options = options || {};
this.concurrency = options.concurrency || Infinity;
this.pending = 0;
this.jobs = [];
this.cbs = [];
this._done = done.bind(this);
}
&nbsp;
var arrayAddMethods = [
'push',
'unshift',
'splice'
];
&nbsp;
arrayAddMethods.forEach(function(method) {
Queue.prototype[method] = function() {
var methodResult = Array.prototype[method].apply(this.jobs, arguments);
this._run();
return methodResult;
};
});
&nbsp;
Object.defineProperty(Queue.prototype, 'length', {
get: function() {
return this.pending + this.jobs.length;
}
});
&nbsp;
Queue.prototype._run = function() {
if (this.pending === this.concurrency) {
return;
}
if (this.jobs.length) {
var job = this.jobs.shift();
this.pending++;
job(this._done);
this._run();
}
&nbsp;
if (this.pending === 0) {
while (this.cbs.length !== 0) {
var cb = this.cbs.pop();
process.nextTick(cb);
}
}
};
&nbsp;
Queue.prototype.onDone = function(cb) {
<span class="missing-if-branch" title="else path not taken" >E</span>if (typeof cb === 'function') {
this.cbs.push(cb);
this._run();
}
};
&nbsp;
function done() {
this.pending--;
this._run();
}
&nbsp;
module.exports = Queue;
&nbsp;</pre></td></tr>
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div.coverage-summary td.abs { text-align: right; font-size: 90%; color: #444; border-right: 1px solid #666; }
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div.coverage-summary td.pic { min-width: 120px !important; }
div.coverage-summary a:link { text-decoration: none; color: #000; }
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div.coverage-summary tfoot td { border-top: 1px solid #666; }
div.coverage-summary .sorter {
height: 10px;
width: 7px;
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background: url(sort-arrow-sprite.png) no-repeat scroll 0 0 transparent;
}
div.coverage-summary .sorted .sorter {
background-position: 0 -20px;
}
div.coverage-summary .sorted-desc .sorter {
background-position: 0 -10px;
}
.high { background: #b5d592 !important; }
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.low { background: #fc8c84 !important; }
span.cover-fill, span.cover-empty {
display:inline-block;
border:1px solid #444;
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height: 12px;
}
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.com { color: #999 !important; }
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<!doctype html>
<html lang="en">
<head>
<title>Code coverage report for All files</title>
<meta charset="utf-8">
<link rel="stylesheet" href="prettify.css">
<link rel="stylesheet" href="base.css">
<style type='text/css'>
div.coverage-summary .sorter {
background-image: url(sort-arrow-sprite.png);
}
</style>
</head>
<body>
<div class="header high">
<h1>Code coverage report for <span class="entity">All files</span></h1>
<h2>
Statements: <span class="metric">100% <small>(37 / 37)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
Branches: <span class="metric">92.86% <small>(13 / 14)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
Functions: <span class="metric">100% <small>(7 / 7)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
Lines: <span class="metric">100% <small>(37 / 37)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
Ignored: <span class="metric"><span class="ignore-none">none</span></span> &nbsp;&nbsp;&nbsp;&nbsp;
</h2>
<div class="path"></div>
</div>
<div class="body">
<div class="coverage-summary">
<table>
<thead>
<tr>
<th data-col="file" data-fmt="html" data-html="true" class="file">File</th>
<th data-col="pic" data-type="number" data-fmt="html" data-html="true" class="pic"></th>
<th data-col="statements" data-type="number" data-fmt="pct" class="pct">Statements</th>
<th data-col="statements_raw" data-type="number" data-fmt="html" class="abs"></th>
<th data-col="branches" data-type="number" data-fmt="pct" class="pct">Branches</th>
<th data-col="branches_raw" data-type="number" data-fmt="html" class="abs"></th>
<th data-col="functions" data-type="number" data-fmt="pct" class="pct">Functions</th>
<th data-col="functions_raw" data-type="number" data-fmt="html" class="abs"></th>
<th data-col="lines" data-type="number" data-fmt="pct" class="pct">Lines</th>
<th data-col="lines_raw" data-type="number" data-fmt="html" class="abs"></th>
</tr>
</thead>
<tbody><tr>
<td class="file high" data-value="async-throttle/"><a href="async-throttle/index.html">async-throttle/</a></td>
<td data-value="100" class="pic high"><span class="cover-fill cover-full" style="width: 100px;"></span><span class="cover-empty" style="width:0px;"></span></td>
<td data-value="100" class="pct high">100%</td>
<td data-value="37" class="abs high">(37&nbsp;/&nbsp;37)</td>
<td data-value="92.86" class="pct high">92.86%</td>
<td data-value="14" class="abs high">(13&nbsp;/&nbsp;14)</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="7" class="abs high">(7&nbsp;/&nbsp;7)</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="37" class="abs high">(37&nbsp;/&nbsp;37)</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="footer">
<div class="meta">Generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Mon Sep 11 2017 11:14:14 GMT-0500 (CDT)</div>
</div>
<script src="prettify.js"></script>
<script>
window.onload = function () {
if (typeof prettyPrint === 'function') {
prettyPrint();
}
};
</script>
<script src="sorter.js"></script>
</body>
</html>

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var addSorting = (function () {
"use strict";
var cols,
currentSort = {
index: 0,
desc: false
};
// returns the summary table element
function getTable() { return document.querySelector('.coverage-summary table'); }
// returns the thead element of the summary table
function getTableHeader() { return getTable().querySelector('thead tr'); }
// returns the tbody element of the summary table
function getTableBody() { return getTable().querySelector('tbody'); }
// returns the th element for nth column
function getNthColumn(n) { return getTableHeader().querySelectorAll('th')[n]; }
// loads all columns
function loadColumns() {
var colNodes = getTableHeader().querySelectorAll('th'),
colNode,
cols = [],
col,
i;
for (i = 0; i < colNodes.length; i += 1) {
colNode = colNodes[i];
col = {
key: colNode.getAttribute('data-col'),
sortable: !colNode.getAttribute('data-nosort'),
type: colNode.getAttribute('data-type') || 'string'
};
cols.push(col);
if (col.sortable) {
col.defaultDescSort = col.type === 'number';
colNode.innerHTML = colNode.innerHTML + '<span class="sorter"></span>';
}
}
return cols;
}
// attaches a data attribute to every tr element with an object
// of data values keyed by column name
function loadRowData(tableRow) {
var tableCols = tableRow.querySelectorAll('td'),
colNode,
col,
data = {},
i,
val;
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col = cols[i];
val = colNode.getAttribute('data-value');
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data[col.key] = val;
}
return data;
}
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var rows = getTableBody().querySelectorAll('tr'),
i;
for (i = 0; i < rows.length; i += 1) {
rows[i].data = loadRowData(rows[i]);
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}
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function sortByIndex(index, desc) {
var key = cols[index].key,
sorter = function (a, b) {
a = a.data[key];
b = b.data[key];
return a < b ? -1 : a > b ? 1 : 0;
},
finalSorter = sorter,
tableBody = document.querySelector('.coverage-summary tbody'),
rowNodes = tableBody.querySelectorAll('tr'),
rows = [],
i;
if (desc) {
finalSorter = function (a, b) {
return -1 * sorter(a, b);
};
}
for (i = 0; i < rowNodes.length; i += 1) {
rows.push(rowNodes[i]);
tableBody.removeChild(rowNodes[i]);
}
rows.sort(finalSorter);
for (i = 0; i < rows.length; i += 1) {
tableBody.appendChild(rows[i]);
}
}
// removes sort indicators for current column being sorted
function removeSortIndicators() {
var col = getNthColumn(currentSort.index),
cls = col.className;
cls = cls.replace(/ sorted$/, '').replace(/ sorted-desc$/, '');
col.className = cls;
}
// adds sort indicators for current column being sorted
function addSortIndicators() {
getNthColumn(currentSort.index).className += currentSort.desc ? ' sorted-desc' : ' sorted';
}
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var i,
el,
ithSorter = function ithSorter(i) {
var col = cols[i];
return function () {
var desc = col.defaultDescSort;
if (currentSort.index === i) {
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sortByIndex(i, desc);
removeSortIndicators();
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currentSort.desc = desc;
addSortIndicators();
};
};
for (i =0 ; i < cols.length; i += 1) {
if (cols[i].sortable) {
el = getNthColumn(i).querySelector('.sorter');
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el.addEventListener('click', ithSorter(i));
} else {
el.attachEvent('onclick', ithSorter(i));
}
}
}
}
// adds sorting functionality to the UI
return function () {
if (!getTable()) {
return;
}
cols = loadColumns();
loadData(cols);
addSortIndicators();
enableUI();
};
})();
window.addEventListener('load', addSorting);

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TN:
SF:/Users/samuelreed/git/forks/async-throttle/index.js
FN:3,Queue
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'use strict';
function Queue(options) {
if (!(this instanceof Queue)) {
return new Queue(options);
}
options = options || {};
this.concurrency = options.concurrency || Infinity;
this.pending = 0;
this.jobs = [];
this.cbs = [];
this._done = done.bind(this);
}
var arrayAddMethods = [
'push',
'unshift',
'splice'
];
arrayAddMethods.forEach(function(method) {
Queue.prototype[method] = function() {
var methodResult = Array.prototype[method].apply(this.jobs, arguments);
this._run();
return methodResult;
};
});
Object.defineProperty(Queue.prototype, 'length', {
get: function() {
return this.pending + this.jobs.length;
}
});
Queue.prototype._run = function() {
if (this.pending === this.concurrency) {
return;
}
if (this.jobs.length) {
var job = this.jobs.shift();
this.pending++;
job(this._done);
this._run();
}
if (this.pending === 0) {
while (this.cbs.length !== 0) {
var cb = this.cbs.pop();
process.nextTick(cb);
}
}
};
Queue.prototype.onDone = function(cb) {
if (typeof cb === 'function') {
this.cbs.push(cb);
this._run();
}
};
function done() {
this.pending--;
this._run();
}
module.exports = Queue;

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{
"_from": "async-limiter@~1.0.0",
"_id": "async-limiter@1.0.0",
"_inBundle": false,
"_integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==",
"_location": "/async-limiter",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "async-limiter@~1.0.0",
"name": "async-limiter",
"escapedName": "async-limiter",
"rawSpec": "~1.0.0",
"saveSpec": null,
"fetchSpec": "~1.0.0"
},
"_requiredBy": [
"/ws"
],
"_resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
"_shasum": "78faed8c3d074ab81f22b4e985d79e8738f720f8",
"_spec": "async-limiter@~1.0.0",
"_where": "/home/wn/workspace-node/PiAlive/node_modules/ws",
"author": {
"name": "Samuel Reed"
},
"bugs": {
"url": "https://github.com/strml/async-limiter/issues"
},
"bundleDependencies": false,
"dependencies": {},
"deprecated": false,
"description": "asynchronous function queue with adjustable concurrency",
"devDependencies": {
"coveralls": "^2.11.2",
"eslint": "^4.6.1",
"eslint-plugin-mocha": "^4.11.0",
"intelli-espower-loader": "^1.0.1",
"istanbul": "^0.3.2",
"mocha": "^3.5.2",
"power-assert": "^1.4.4"
},
"homepage": "https://github.com/strml/async-limiter#readme",
"keywords": [
"throttle",
"async",
"limiter",
"asynchronous",
"job",
"task",
"concurrency",
"concurrent"
],
"license": "MIT",
"name": "async-limiter",
"repository": {
"type": "git",
"url": "git+https://github.com/strml/async-limiter.git"
},
"scripts": {
"coverage": "istanbul cover ./node_modules/mocha/bin/_mocha --report lcovonly -- -R spec && cat ./coverage/lcov.info | coveralls",
"example": "node example",
"lint": "eslint .",
"test": "mocha --R intelli-espower-loader test/",
"travis": "npm run lint && npm run coverage"
},
"version": "1.0.0"
}

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# Async-Limiter
A module for limiting concurrent asynchronous actions in flight. Forked from [queue](https://github.com/jessetane/queue).
[![npm](http://img.shields.io/npm/v/async-limiter.svg?style=flat-square)](http://www.npmjs.org/async-limiter)
[![tests](https://img.shields.io/travis/STRML/async-limiter.svg?style=flat-square&branch=master)](https://travis-ci.org/STRML/async-limiter)
[![coverage](https://img.shields.io/coveralls/STRML/async-limiter.svg?style=flat-square&branch=master)](https://coveralls.io/r/STRML/async-limiter)
This module exports a class `Limiter` that implements some of the `Array` API.
Pass async functions (ones that accept a callback or return a promise) to an instance's additive array methods.
## Motivation
Certain functions, like `zlib`, have [undesirable behavior](https://github.com/nodejs/node/issues/8871#issuecomment-250915913) when
run at infinite concurrency.
In this case, it is actually faster, and takes far less memory, to limit concurrency.
This module should do the absolute minimum work necessary to queue up functions. PRs are welcome that would
make this module faster or lighter, but new functionality is not desired.
Style should confirm to nodejs/node style.
## Example
``` javascript
var Limiter = require('async-limiter')
var t = new Limiter({concurrency: 2});
var results = []
// add jobs using the familiar Array API
t.push(function (cb) {
results.push('two')
cb()
})
t.push(
function (cb) {
results.push('four')
cb()
},
function (cb) {
results.push('five')
cb()
}
)
t.unshift(function (cb) {
results.push('one')
cb()
})
t.splice(2, 0, function (cb) {
results.push('three')
cb()
})
// Jobs run automatically. If you want a callback when all are done,
// call 'onDone()'.
t.onDone(function () {
console.log('all done:', results)
})
```
## Zlib Example
```js
const zlib = require('zlib');
const Limiter = require('async-limiter');
const message = {some: "data"};
const payload = new Buffer(JSON.stringify(message));
// Try with different concurrency values to see how this actually
// slows significantly with higher concurrency!
//
// 5: 1398.607ms
// 10: 1375.668ms
// Infinity: 4423.300ms
//
const t = new Limiter({concurrency: 5});
function deflate(payload, cb) {
t.push(function(done) {
zlib.deflate(payload, function(err, buffer) {
done();
cb(err, buffer);
});
});
}
console.time('deflate');
for(let i = 0; i < 30000; ++i) {
deflate(payload, function (err, buffer) {});
}
q.onDone(function() {
console.timeEnd('deflate');
});
```
## Install
`npm install async-limiter`
## Test
`npm test`
## API
### `var t = new Limiter([opts])`
Constructor. `opts` may contain inital values for:
* `q.concurrency`
## Instance methods
### `q.onDone(fn)`
`fn` will be called once and only once, when the queue is empty.
## Instance methods mixed in from `Array`
Mozilla has docs on how these methods work [here](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array).
### `q.push(element1, ..., elementN)`
### `q.unshift(element1, ..., elementN)`
### `q.splice(index , howMany[, element1[, ...[, elementN]]])`
## Properties
### `q.concurrency`
Max number of jobs the queue should process concurrently, defaults to `Infinity`.
### `q.length`
Jobs pending + jobs to process (readonly).

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test
.gitignore
.travis.yml
Makefile
example.js

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node_modules/balanced-match/LICENSE.md generated vendored Normal file
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(MIT)
Copyright (c) 2013 Julian Gruber &lt;julian@juliangruber.com&gt;
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# balanced-match
Match balanced string pairs, like `{` and `}` or `<b>` and `</b>`. Supports regular expressions as well!
[![build status](https://secure.travis-ci.org/juliangruber/balanced-match.svg)](http://travis-ci.org/juliangruber/balanced-match)
[![downloads](https://img.shields.io/npm/dm/balanced-match.svg)](https://www.npmjs.org/package/balanced-match)
[![testling badge](https://ci.testling.com/juliangruber/balanced-match.png)](https://ci.testling.com/juliangruber/balanced-match)
## Example
Get the first matching pair of braces:
```js
var balanced = require('balanced-match');
console.log(balanced('{', '}', 'pre{in{nested}}post'));
console.log(balanced('{', '}', 'pre{first}between{second}post'));
console.log(balanced(/\s+\{\s+/, /\s+\}\s+/, 'pre { in{nest} } post'));
```
The matches are:
```bash
$ node example.js
{ start: 3, end: 14, pre: 'pre', body: 'in{nested}', post: 'post' }
{ start: 3,
end: 9,
pre: 'pre',
body: 'first',
post: 'between{second}post' }
{ start: 3, end: 17, pre: 'pre', body: 'in{nest}', post: 'post' }
```
## API
### var m = balanced(a, b, str)
For the first non-nested matching pair of `a` and `b` in `str`, return an
object with those keys:
* **start** the index of the first match of `a`
* **end** the index of the matching `b`
* **pre** the preamble, `a` and `b` not included
* **body** the match, `a` and `b` not included
* **post** the postscript, `a` and `b` not included
If there's no match, `undefined` will be returned.
If the `str` contains more `a` than `b` / there are unmatched pairs, the first match that was closed will be used. For example, `{{a}` will match `['{', 'a', '']` and `{a}}` will match `['', 'a', '}']`.
### var r = balanced.range(a, b, str)
For the first non-nested matching pair of `a` and `b` in `str`, return an
array with indexes: `[ <a index>, <b index> ]`.
If there's no match, `undefined` will be returned.
If the `str` contains more `a` than `b` / there are unmatched pairs, the first match that was closed will be used. For example, `{{a}` will match `[ 1, 3 ]` and `{a}}` will match `[0, 2]`.
## Installation
With [npm](https://npmjs.org) do:
```bash
npm install balanced-match
```
## License
(MIT)
Copyright (c) 2013 Julian Gruber &lt;julian@juliangruber.com&gt;
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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'use strict';
module.exports = balanced;
function balanced(a, b, str) {
if (a instanceof RegExp) a = maybeMatch(a, str);
if (b instanceof RegExp) b = maybeMatch(b, str);
var r = range(a, b, str);
return r && {
start: r[0],
end: r[1],
pre: str.slice(0, r[0]),
body: str.slice(r[0] + a.length, r[1]),
post: str.slice(r[1] + b.length)
};
}
function maybeMatch(reg, str) {
var m = str.match(reg);
return m ? m[0] : null;
}
balanced.range = range;
function range(a, b, str) {
var begs, beg, left, right, result;
var ai = str.indexOf(a);
var bi = str.indexOf(b, ai + 1);
var i = ai;
if (ai >= 0 && bi > 0) {
begs = [];
left = str.length;
while (i >= 0 && !result) {
if (i == ai) {
begs.push(i);
ai = str.indexOf(a, i + 1);
} else if (begs.length == 1) {
result = [ begs.pop(), bi ];
} else {
beg = begs.pop();
if (beg < left) {
left = beg;
right = bi;
}
bi = str.indexOf(b, i + 1);
}
i = ai < bi && ai >= 0 ? ai : bi;
}
if (begs.length) {
result = [ left, right ];
}
}
return result;
}

77
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@ -0,0 +1,77 @@
{
"_from": "balanced-match@^1.0.0",
"_id": "balanced-match@1.0.0",
"_inBundle": false,
"_integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
"_location": "/balanced-match",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "balanced-match@^1.0.0",
"name": "balanced-match",
"escapedName": "balanced-match",
"rawSpec": "^1.0.0",
"saveSpec": null,
"fetchSpec": "^1.0.0"
},
"_requiredBy": [
"/brace-expansion"
],
"_resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
"_shasum": "89b4d199ab2bee49de164ea02b89ce462d71b767",
"_spec": "balanced-match@^1.0.0",
"_where": "/home/wn/workspace-node/PiAlive/node_modules/brace-expansion",
"author": {
"name": "Julian Gruber",
"email": "mail@juliangruber.com",
"url": "http://juliangruber.com"
},
"bugs": {
"url": "https://github.com/juliangruber/balanced-match/issues"
},
"bundleDependencies": false,
"dependencies": {},
"deprecated": false,
"description": "Match balanced character pairs, like \"{\" and \"}\"",
"devDependencies": {
"matcha": "^0.7.0",
"tape": "^4.6.0"
},
"homepage": "https://github.com/juliangruber/balanced-match",
"keywords": [
"match",
"regexp",
"test",
"balanced",
"parse"
],
"license": "MIT",
"main": "index.js",
"name": "balanced-match",
"repository": {
"type": "git",
"url": "git://github.com/juliangruber/balanced-match.git"
},
"scripts": {
"bench": "make bench",
"test": "make test"
},
"testling": {
"files": "test/*.js",
"browsers": [
"ie/8..latest",
"firefox/20..latest",
"firefox/nightly",
"chrome/25..latest",
"chrome/canary",
"opera/12..latest",
"opera/next",
"safari/5.1..latest",
"ipad/6.0..latest",
"iphone/6.0..latest",
"android-browser/4.2..latest"
]
},
"version": "1.0.0"
}

59
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{
"predef": [ ]
, "bitwise": false
, "camelcase": false
, "curly": false
, "eqeqeq": false
, "forin": false
, "immed": false
, "latedef": false
, "noarg": true
, "noempty": true
, "nonew": true
, "plusplus": false
, "quotmark": true
, "regexp": false
, "undef": true
, "unused": true
, "strict": false
, "trailing": true
, "maxlen": 120
, "asi": true
, "boss": true
, "debug": true
, "eqnull": true
, "esnext": true
, "evil": true
, "expr": true
, "funcscope": false
, "globalstrict": false
, "iterator": false
, "lastsemic": true
, "laxbreak": true
, "laxcomma": true
, "loopfunc": true
, "multistr": false
, "onecase": false
, "proto": false
, "regexdash": false
, "scripturl": true
, "smarttabs": false
, "shadow": false
, "sub": true
, "supernew": false
, "validthis": true
, "browser": true
, "couch": false
, "devel": false
, "dojo": false
, "mootools": false
, "node": true
, "nonstandard": true
, "prototypejs": false
, "rhino": false
, "worker": true
, "wsh": false
, "nomen": false
, "onevar": false
, "passfail": false
}

16
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@ -0,0 +1,16 @@
sudo: false
language: node_js
node_js:
- '0.10'
- '0.12'
- '4'
- '6'
- '8'
- '9'
branches:
only:
- master
notifications:
email:
- rod@vagg.org
- matteo.collina@gmail.com

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The MIT License (MIT)
=====================
Copyright (c) 2013-2016 bl contributors
----------------------------------
*bl contributors listed at <https://github.com/rvagg/bl#contributors>*
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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# bl *(BufferList)*
[![Build Status](https://travis-ci.org/rvagg/bl.svg?branch=master)](https://travis-ci.org/rvagg/bl)
**A Node.js Buffer list collector, reader and streamer thingy.**
[![NPM](https://nodei.co/npm/bl.png?downloads=true&downloadRank=true)](https://nodei.co/npm/bl/)
[![NPM](https://nodei.co/npm-dl/bl.png?months=6&height=3)](https://nodei.co/npm/bl/)
**bl** is a storage object for collections of Node Buffers, exposing them with the main Buffer readable API. Also works as a duplex stream so you can collect buffers from a stream that emits them and emit buffers to a stream that consumes them!
The original buffers are kept intact and copies are only done as necessary. Any reads that require the use of a single original buffer will return a slice of that buffer only (which references the same memory as the original buffer). Reads that span buffers perform concatenation as required and return the results transparently.
```js
const BufferList = require('bl')
var bl = new BufferList()
bl.append(new Buffer('abcd'))
bl.append(new Buffer('efg'))
bl.append('hi') // bl will also accept & convert Strings
bl.append(new Buffer('j'))
bl.append(new Buffer([ 0x3, 0x4 ]))
console.log(bl.length) // 12
console.log(bl.slice(0, 10).toString('ascii')) // 'abcdefghij'
console.log(bl.slice(3, 10).toString('ascii')) // 'defghij'
console.log(bl.slice(3, 6).toString('ascii')) // 'def'
console.log(bl.slice(3, 8).toString('ascii')) // 'defgh'
console.log(bl.slice(5, 10).toString('ascii')) // 'fghij'
// or just use toString!
console.log(bl.toString()) // 'abcdefghij\u0003\u0004'
console.log(bl.toString('ascii', 3, 8)) // 'defgh'
console.log(bl.toString('ascii', 5, 10)) // 'fghij'
// other standard Buffer readables
console.log(bl.readUInt16BE(10)) // 0x0304
console.log(bl.readUInt16LE(10)) // 0x0403
```
Give it a callback in the constructor and use it just like **[concat-stream](https://github.com/maxogden/node-concat-stream)**:
```js
const bl = require('bl')
, fs = require('fs')
fs.createReadStream('README.md')
.pipe(bl(function (err, data) { // note 'new' isn't strictly required
// `data` is a complete Buffer object containing the full data
console.log(data.toString())
}))
```
Note that when you use the *callback* method like this, the resulting `data` parameter is a concatenation of all `Buffer` objects in the list. If you want to avoid the overhead of this concatenation (in cases of extreme performance consciousness), then avoid the *callback* method and just listen to `'end'` instead, like a standard Stream.
Or to fetch a URL using [hyperquest](https://github.com/substack/hyperquest) (should work with [request](http://github.com/mikeal/request) and even plain Node http too!):
```js
const hyperquest = require('hyperquest')
, bl = require('bl')
, url = 'https://raw.github.com/rvagg/bl/master/README.md'
hyperquest(url).pipe(bl(function (err, data) {
console.log(data.toString())
}))
```
Or, use it as a readable stream to recompose a list of Buffers to an output source:
```js
const BufferList = require('bl')
, fs = require('fs')
var bl = new BufferList()
bl.append(new Buffer('abcd'))
bl.append(new Buffer('efg'))
bl.append(new Buffer('hi'))
bl.append(new Buffer('j'))
bl.pipe(fs.createWriteStream('gibberish.txt'))
```
## API
* <a href="#ctor"><code><b>new BufferList([ callback ])</b></code></a>
* <a href="#length"><code>bl.<b>length</b></code></a>
* <a href="#append"><code>bl.<b>append(buffer)</b></code></a>
* <a href="#get"><code>bl.<b>get(index)</b></code></a>
* <a href="#slice"><code>bl.<b>slice([ start[, end ] ])</b></code></a>
* <a href="#shallowSlice"><code>bl.<b>shallowSlice([ start[, end ] ])</b></code></a>
* <a href="#copy"><code>bl.<b>copy(dest, [ destStart, [ srcStart [, srcEnd ] ] ])</b></code></a>
* <a href="#duplicate"><code>bl.<b>duplicate()</b></code></a>
* <a href="#consume"><code>bl.<b>consume(bytes)</b></code></a>
* <a href="#toString"><code>bl.<b>toString([encoding, [ start, [ end ]]])</b></code></a>
* <a href="#readXX"><code>bl.<b>readDoubleBE()</b></code>, <code>bl.<b>readDoubleLE()</b></code>, <code>bl.<b>readFloatBE()</b></code>, <code>bl.<b>readFloatLE()</b></code>, <code>bl.<b>readInt32BE()</b></code>, <code>bl.<b>readInt32LE()</b></code>, <code>bl.<b>readUInt32BE()</b></code>, <code>bl.<b>readUInt32LE()</b></code>, <code>bl.<b>readInt16BE()</b></code>, <code>bl.<b>readInt16LE()</b></code>, <code>bl.<b>readUInt16BE()</b></code>, <code>bl.<b>readUInt16LE()</b></code>, <code>bl.<b>readInt8()</b></code>, <code>bl.<b>readUInt8()</b></code></a>
* <a href="#streams">Streams</a>
--------------------------------------------------------
<a name="ctor"></a>
### new BufferList([ callback | Buffer | Buffer array | BufferList | BufferList array | String ])
The constructor takes an optional callback, if supplied, the callback will be called with an error argument followed by a reference to the **bl** instance, when `bl.end()` is called (i.e. from a piped stream). This is a convenient method of collecting the entire contents of a stream, particularly when the stream is *chunky*, such as a network stream.
Normally, no arguments are required for the constructor, but you can initialise the list by passing in a single `Buffer` object or an array of `Buffer` object.
`new` is not strictly required, if you don't instantiate a new object, it will be done automatically for you so you can create a new instance simply with:
```js
var bl = require('bl')
var myinstance = bl()
// equivalent to:
var BufferList = require('bl')
var myinstance = new BufferList()
```
--------------------------------------------------------
<a name="length"></a>
### bl.length
Get the length of the list in bytes. This is the sum of the lengths of all of the buffers contained in the list, minus any initial offset for a semi-consumed buffer at the beginning. Should accurately represent the total number of bytes that can be read from the list.
--------------------------------------------------------
<a name="append"></a>
### bl.append(Buffer | Buffer array | BufferList | BufferList array | String)
`append(buffer)` adds an additional buffer or BufferList to the internal list. `this` is returned so it can be chained.
--------------------------------------------------------
<a name="get"></a>
### bl.get(index)
`get()` will return the byte at the specified index.
--------------------------------------------------------
<a name="slice"></a>
### bl.slice([ start, [ end ] ])
`slice()` returns a new `Buffer` object containing the bytes within the range specified. Both `start` and `end` are optional and will default to the beginning and end of the list respectively.
If the requested range spans a single internal buffer then a slice of that buffer will be returned which shares the original memory range of that Buffer. If the range spans multiple buffers then copy operations will likely occur to give you a uniform Buffer.
--------------------------------------------------------
<a name="shallowSlice"></a>
### bl.shallowSlice([ start, [ end ] ])
`shallowSlice()` returns a new `BufferList` object containing the bytes within the range specified. Both `start` and `end` are optional and will default to the beginning and end of the list respectively.
No copies will be performed. All buffers in the result share memory with the original list.
--------------------------------------------------------
<a name="copy"></a>
### bl.copy(dest, [ destStart, [ srcStart [, srcEnd ] ] ])
`copy()` copies the content of the list in the `dest` buffer, starting from `destStart` and containing the bytes within the range specified with `srcStart` to `srcEnd`. `destStart`, `start` and `end` are optional and will default to the beginning of the `dest` buffer, and the beginning and end of the list respectively.
--------------------------------------------------------
<a name="duplicate"></a>
### bl.duplicate()
`duplicate()` performs a **shallow-copy** of the list. The internal Buffers remains the same, so if you change the underlying Buffers, the change will be reflected in both the original and the duplicate. This method is needed if you want to call `consume()` or `pipe()` and still keep the original list.Example:
```js
var bl = new BufferList()
bl.append('hello')
bl.append(' world')
bl.append('\n')
bl.duplicate().pipe(process.stdout, { end: false })
console.log(bl.toString())
```
--------------------------------------------------------
<a name="consume"></a>
### bl.consume(bytes)
`consume()` will shift bytes *off the start of the list*. The number of bytes consumed don't need to line up with the sizes of the internal Buffers&mdash;initial offsets will be calculated accordingly in order to give you a consistent view of the data.
--------------------------------------------------------
<a name="toString"></a>
### bl.toString([encoding, [ start, [ end ]]])
`toString()` will return a string representation of the buffer. The optional `start` and `end` arguments are passed on to `slice()`, while the `encoding` is passed on to `toString()` of the resulting Buffer. See the [Buffer#toString()](http://nodejs.org/docs/latest/api/buffer.html#buffer_buf_tostring_encoding_start_end) documentation for more information.
--------------------------------------------------------
<a name="readXX"></a>
### bl.readDoubleBE(), bl.readDoubleLE(), bl.readFloatBE(), bl.readFloatLE(), bl.readInt32BE(), bl.readInt32LE(), bl.readUInt32BE(), bl.readUInt32LE(), bl.readInt16BE(), bl.readInt16LE(), bl.readUInt16BE(), bl.readUInt16LE(), bl.readInt8(), bl.readUInt8()
All of the standard byte-reading methods of the `Buffer` interface are implemented and will operate across internal Buffer boundaries transparently.
See the <b><code>[Buffer](http://nodejs.org/docs/latest/api/buffer.html)</code></b> documentation for how these work.
--------------------------------------------------------
<a name="streams"></a>
### Streams
**bl** is a Node **[Duplex Stream](http://nodejs.org/docs/latest/api/stream.html#stream_class_stream_duplex)**, so it can be read from and written to like a standard Node stream. You can also `pipe()` to and from a **bl** instance.
--------------------------------------------------------
## Contributors
**bl** is brought to you by the following hackers:
* [Rod Vagg](https://github.com/rvagg)
* [Matteo Collina](https://github.com/mcollina)
* [Jarett Cruger](https://github.com/jcrugzz)
=======
<a name="license"></a>
## License &amp; copyright
Copyright (c) 2013-2016 bl contributors (listed above).
bl is licensed under the MIT license. All rights not explicitly granted in the MIT license are reserved. See the included LICENSE.md file for more details.

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var DuplexStream = require('readable-stream/duplex')
, util = require('util')
, Buffer = require('safe-buffer').Buffer
function BufferList (callback) {
if (!(this instanceof BufferList))
return new BufferList(callback)
this._bufs = []
this.length = 0
if (typeof callback == 'function') {
this._callback = callback
var piper = function piper (err) {
if (this._callback) {
this._callback(err)
this._callback = null
}
}.bind(this)
this.on('pipe', function onPipe (src) {
src.on('error', piper)
})
this.on('unpipe', function onUnpipe (src) {
src.removeListener('error', piper)
})
} else {
this.append(callback)
}
DuplexStream.call(this)
}
util.inherits(BufferList, DuplexStream)
BufferList.prototype._offset = function _offset (offset) {
var tot = 0, i = 0, _t
if (offset === 0) return [ 0, 0 ]
for (; i < this._bufs.length; i++) {
_t = tot + this._bufs[i].length
if (offset < _t || i == this._bufs.length - 1)
return [ i, offset - tot ]
tot = _t
}
}
BufferList.prototype.append = function append (buf) {
var i = 0
if (Buffer.isBuffer(buf)) {
this._appendBuffer(buf);
} else if (Array.isArray(buf)) {
for (; i < buf.length; i++)
this.append(buf[i])
} else if (buf instanceof BufferList) {
// unwrap argument into individual BufferLists
for (; i < buf._bufs.length; i++)
this.append(buf._bufs[i])
} else if (buf != null) {
// coerce number arguments to strings, since Buffer(number) does
// uninitialized memory allocation
if (typeof buf == 'number')
buf = buf.toString()
this._appendBuffer(Buffer.from(buf));
}
return this
}
BufferList.prototype._appendBuffer = function appendBuffer (buf) {
this._bufs.push(buf)
this.length += buf.length
}
BufferList.prototype._write = function _write (buf, encoding, callback) {
this._appendBuffer(buf)
if (typeof callback == 'function')
callback()
}
BufferList.prototype._read = function _read (size) {
if (!this.length)
return this.push(null)
size = Math.min(size, this.length)
this.push(this.slice(0, size))
this.consume(size)
}
BufferList.prototype.end = function end (chunk) {
DuplexStream.prototype.end.call(this, chunk)
if (this._callback) {
this._callback(null, this.slice())
this._callback = null
}
}
BufferList.prototype.get = function get (index) {
return this.slice(index, index + 1)[0]
}
BufferList.prototype.slice = function slice (start, end) {
if (typeof start == 'number' && start < 0)
start += this.length
if (typeof end == 'number' && end < 0)
end += this.length
return this.copy(null, 0, start, end)
}
BufferList.prototype.copy = function copy (dst, dstStart, srcStart, srcEnd) {
if (typeof srcStart != 'number' || srcStart < 0)
srcStart = 0
if (typeof srcEnd != 'number' || srcEnd > this.length)
srcEnd = this.length
if (srcStart >= this.length)
return dst || Buffer.alloc(0)
if (srcEnd <= 0)
return dst || Buffer.alloc(0)
var copy = !!dst
, off = this._offset(srcStart)
, len = srcEnd - srcStart
, bytes = len
, bufoff = (copy && dstStart) || 0
, start = off[1]
, l
, i
// copy/slice everything
if (srcStart === 0 && srcEnd == this.length) {
if (!copy) { // slice, but full concat if multiple buffers
return this._bufs.length === 1
? this._bufs[0]
: Buffer.concat(this._bufs, this.length)
}
// copy, need to copy individual buffers
for (i = 0; i < this._bufs.length; i++) {
this._bufs[i].copy(dst, bufoff)
bufoff += this._bufs[i].length
}
return dst
}
// easy, cheap case where it's a subset of one of the buffers
if (bytes <= this._bufs[off[0]].length - start) {
return copy
? this._bufs[off[0]].copy(dst, dstStart, start, start + bytes)
: this._bufs[off[0]].slice(start, start + bytes)
}
if (!copy) // a slice, we need something to copy in to
dst = Buffer.allocUnsafe(len)
for (i = off[0]; i < this._bufs.length; i++) {
l = this._bufs[i].length - start
if (bytes > l) {
this._bufs[i].copy(dst, bufoff, start)
} else {
this._bufs[i].copy(dst, bufoff, start, start + bytes)
break
}
bufoff += l
bytes -= l
if (start)
start = 0
}
return dst
}
BufferList.prototype.shallowSlice = function shallowSlice (start, end) {
start = start || 0
end = end || this.length
if (start < 0)
start += this.length
if (end < 0)
end += this.length
var startOffset = this._offset(start)
, endOffset = this._offset(end)
, buffers = this._bufs.slice(startOffset[0], endOffset[0] + 1)
if (endOffset[1] == 0)
buffers.pop()
else
buffers[buffers.length-1] = buffers[buffers.length-1].slice(0, endOffset[1])
if (startOffset[1] != 0)
buffers[0] = buffers[0].slice(startOffset[1])
return new BufferList(buffers)
}
BufferList.prototype.toString = function toString (encoding, start, end) {
return this.slice(start, end).toString(encoding)
}
BufferList.prototype.consume = function consume (bytes) {
while (this._bufs.length) {
if (bytes >= this._bufs[0].length) {
bytes -= this._bufs[0].length
this.length -= this._bufs[0].length
this._bufs.shift()
} else {
this._bufs[0] = this._bufs[0].slice(bytes)
this.length -= bytes
break
}
}
return this
}
BufferList.prototype.duplicate = function duplicate () {
var i = 0
, copy = new BufferList()
for (; i < this._bufs.length; i++)
copy.append(this._bufs[i])
return copy
}
BufferList.prototype.destroy = function destroy () {
this._bufs.length = 0
this.length = 0
this.push(null)
}
;(function () {
var methods = {
'readDoubleBE' : 8
, 'readDoubleLE' : 8
, 'readFloatBE' : 4
, 'readFloatLE' : 4
, 'readInt32BE' : 4
, 'readInt32LE' : 4
, 'readUInt32BE' : 4
, 'readUInt32LE' : 4
, 'readInt16BE' : 2
, 'readInt16LE' : 2
, 'readUInt16BE' : 2
, 'readUInt16LE' : 2
, 'readInt8' : 1
, 'readUInt8' : 1
}
for (var m in methods) {
(function (m) {
BufferList.prototype[m] = function (offset) {
return this.slice(offset, offset + methods[m])[m](0)
}
}(m))
}
}())
module.exports = BufferList

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node_modules/bl/package.json generated vendored Normal file
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@ -0,0 +1,63 @@
{
"_from": "bl@^1.2.1",
"_id": "bl@1.2.2",
"_inBundle": false,
"_integrity": "sha512-e8tQYnZodmebYDWGH7KMRvtzKXaJHx3BbilrgZCfvyLUYdKpK1t5PSPmpkny/SgiTSCnjfLW7v5rlONXVFkQEA==",
"_location": "/bl",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "bl@^1.2.1",
"name": "bl",
"escapedName": "bl",
"rawSpec": "^1.2.1",
"saveSpec": null,
"fetchSpec": "^1.2.1"
},
"_requiredBy": [
"/mqtt-packet"
],
"_resolved": "https://registry.npmjs.org/bl/-/bl-1.2.2.tgz",
"_shasum": "a160911717103c07410cef63ef51b397c025af9c",
"_spec": "bl@^1.2.1",
"_where": "/home/wn/workspace-node/PiAlive/node_modules/mqtt-packet",
"authors": [
"Rod Vagg <rod@vagg.org> (https://github.com/rvagg)",
"Matteo Collina <matteo.collina@gmail.com> (https://github.com/mcollina)",
"Jarett Cruger <jcrugzz@gmail.com> (https://github.com/jcrugzz)"
],
"bugs": {
"url": "https://github.com/rvagg/bl/issues"
},
"bundleDependencies": false,
"dependencies": {
"readable-stream": "^2.3.5",
"safe-buffer": "^5.1.1"
},
"deprecated": false,
"description": "Buffer List: collect buffers and access with a standard readable Buffer interface, streamable too!",
"devDependencies": {
"faucet": "0.0.1",
"hash_file": "~0.1.1",
"tape": "~4.9.0"
},
"homepage": "https://github.com/rvagg/bl",
"keywords": [
"buffer",
"buffers",
"stream",
"awesomesauce"
],
"license": "MIT",
"main": "bl.js",
"name": "bl",
"repository": {
"type": "git",
"url": "git+https://github.com/rvagg/bl.git"
},
"scripts": {
"test": "node test/test.js | faucet"
},
"version": "1.2.2"
}

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var tape = require('tape')
, crypto = require('crypto')
, fs = require('fs')
, hash = require('hash_file')
, BufferList = require('../')
, Buffer = require('safe-buffer').Buffer
, encodings =
('hex utf8 utf-8 ascii binary base64'
+ (process.browser ? '' : ' ucs2 ucs-2 utf16le utf-16le')).split(' ')
tape('single bytes from single buffer', function (t) {
var bl = new BufferList()
bl.append(Buffer.from('abcd'))
t.equal(bl.length, 4)
t.equal(bl.get(0), 97)
t.equal(bl.get(1), 98)
t.equal(bl.get(2), 99)
t.equal(bl.get(3), 100)
t.end()
})
tape('single bytes from multiple buffers', function (t) {
var bl = new BufferList()
bl.append(Buffer.from('abcd'))
bl.append(Buffer.from('efg'))
bl.append(Buffer.from('hi'))
bl.append(Buffer.from('j'))
t.equal(bl.length, 10)
t.equal(bl.get(0), 97)
t.equal(bl.get(1), 98)
t.equal(bl.get(2), 99)
t.equal(bl.get(3), 100)
t.equal(bl.get(4), 101)
t.equal(bl.get(5), 102)
t.equal(bl.get(6), 103)
t.equal(bl.get(7), 104)
t.equal(bl.get(8), 105)
t.equal(bl.get(9), 106)
t.end()
})
tape('multi bytes from single buffer', function (t) {
var bl = new BufferList()
bl.append(Buffer.from('abcd'))
t.equal(bl.length, 4)
t.equal(bl.slice(0, 4).toString('ascii'), 'abcd')
t.equal(bl.slice(0, 3).toString('ascii'), 'abc')
t.equal(bl.slice(1, 4).toString('ascii'), 'bcd')
t.equal(bl.slice(-4, -1).toString('ascii'), 'abc')
t.end()
})
tape('multi bytes from single buffer (negative indexes)', function (t) {
var bl = new BufferList()
bl.append(Buffer.from('buffer'))
t.equal(bl.length, 6)
t.equal(bl.slice(-6, -1).toString('ascii'), 'buffe')
t.equal(bl.slice(-6, -2).toString('ascii'), 'buff')
t.equal(bl.slice(-5, -2).toString('ascii'), 'uff')
t.end()
})
tape('multiple bytes from multiple buffers', function (t) {
var bl = new BufferList()
bl.append(Buffer.from('abcd'))
bl.append(Buffer.from('efg'))
bl.append(Buffer.from('hi'))
bl.append(Buffer.from('j'))
t.equal(bl.length, 10)
t.equal(bl.slice(0, 10).toString('ascii'), 'abcdefghij')
t.equal(bl.slice(3, 10).toString('ascii'), 'defghij')
t.equal(bl.slice(3, 6).toString('ascii'), 'def')
t.equal(bl.slice(3, 8).toString('ascii'), 'defgh')
t.equal(bl.slice(5, 10).toString('ascii'), 'fghij')
t.equal(bl.slice(-7, -4).toString('ascii'), 'def')
t.end()
})
tape('multiple bytes from multiple buffer lists', function (t) {
var bl = new BufferList()
bl.append(new BufferList([ Buffer.from('abcd'), Buffer.from('efg') ]))
bl.append(new BufferList([ Buffer.from('hi'), Buffer.from('j') ]))
t.equal(bl.length, 10)
t.equal(bl.slice(0, 10).toString('ascii'), 'abcdefghij')
t.equal(bl.slice(3, 10).toString('ascii'), 'defghij')
t.equal(bl.slice(3, 6).toString('ascii'), 'def')
t.equal(bl.slice(3, 8).toString('ascii'), 'defgh')
t.equal(bl.slice(5, 10).toString('ascii'), 'fghij')
t.end()
})
// same data as previous test, just using nested constructors
tape('multiple bytes from crazy nested buffer lists', function (t) {
var bl = new BufferList()
bl.append(new BufferList([
new BufferList([
new BufferList(Buffer.from('abc'))
, Buffer.from('d')
, new BufferList(Buffer.from('efg'))
])
, new BufferList([ Buffer.from('hi') ])
, new BufferList(Buffer.from('j'))
]))
t.equal(bl.length, 10)
t.equal(bl.slice(0, 10).toString('ascii'), 'abcdefghij')
t.equal(bl.slice(3, 10).toString('ascii'), 'defghij')
t.equal(bl.slice(3, 6).toString('ascii'), 'def')
t.equal(bl.slice(3, 8).toString('ascii'), 'defgh')
t.equal(bl.slice(5, 10).toString('ascii'), 'fghij')
t.end()
})
tape('append accepts arrays of Buffers', function (t) {
var bl = new BufferList()
bl.append(Buffer.from('abc'))
bl.append([ Buffer.from('def') ])
bl.append([ Buffer.from('ghi'), Buffer.from('jkl') ])
bl.append([ Buffer.from('mnop'), Buffer.from('qrstu'), Buffer.from('vwxyz') ])
t.equal(bl.length, 26)
t.equal(bl.slice().toString('ascii'), 'abcdefghijklmnopqrstuvwxyz')
t.end()
})
tape('append accepts arrays of BufferLists', function (t) {
var bl = new BufferList()
bl.append(Buffer.from('abc'))
bl.append([ new BufferList('def') ])
bl.append(new BufferList([ Buffer.from('ghi'), new BufferList('jkl') ]))
bl.append([ Buffer.from('mnop'), new BufferList([ Buffer.from('qrstu'), Buffer.from('vwxyz') ]) ])
t.equal(bl.length, 26)
t.equal(bl.slice().toString('ascii'), 'abcdefghijklmnopqrstuvwxyz')
t.end()
})
tape('append chainable', function (t) {
var bl = new BufferList()
t.ok(bl.append(Buffer.from('abcd')) === bl)
t.ok(bl.append([ Buffer.from('abcd') ]) === bl)
t.ok(bl.append(new BufferList(Buffer.from('abcd'))) === bl)
t.ok(bl.append([ new BufferList(Buffer.from('abcd')) ]) === bl)
t.end()
})
tape('append chainable (test results)', function (t) {
var bl = new BufferList('abc')
.append([ new BufferList('def') ])
.append(new BufferList([ Buffer.from('ghi'), new BufferList('jkl') ]))
.append([ Buffer.from('mnop'), new BufferList([ Buffer.from('qrstu'), Buffer.from('vwxyz') ]) ])
t.equal(bl.length, 26)
t.equal(bl.slice().toString('ascii'), 'abcdefghijklmnopqrstuvwxyz')
t.end()
})
tape('consuming from multiple buffers', function (t) {
var bl = new BufferList()
bl.append(Buffer.from('abcd'))
bl.append(Buffer.from('efg'))
bl.append(Buffer.from('hi'))
bl.append(Buffer.from('j'))
t.equal(bl.length, 10)
t.equal(bl.slice(0, 10).toString('ascii'), 'abcdefghij')
bl.consume(3)
t.equal(bl.length, 7)
t.equal(bl.slice(0, 7).toString('ascii'), 'defghij')
bl.consume(2)
t.equal(bl.length, 5)
t.equal(bl.slice(0, 5).toString('ascii'), 'fghij')
bl.consume(1)
t.equal(bl.length, 4)
t.equal(bl.slice(0, 4).toString('ascii'), 'ghij')
bl.consume(1)
t.equal(bl.length, 3)
t.equal(bl.slice(0, 3).toString('ascii'), 'hij')
bl.consume(2)
t.equal(bl.length, 1)
t.equal(bl.slice(0, 1).toString('ascii'), 'j')
t.end()
})
tape('complete consumption', function (t) {
var bl = new BufferList()
bl.append(Buffer.from('a'))
bl.append(Buffer.from('b'))
bl.consume(2)
t.equal(bl.length, 0)
t.equal(bl._bufs.length, 0)
t.end()
})
tape('test readUInt8 / readInt8', function (t) {
var buf1 = Buffer.alloc(1)
, buf2 = Buffer.alloc(3)
, buf3 = Buffer.alloc(3)
, bl = new BufferList()
buf2[1] = 0x3
buf2[2] = 0x4
buf3[0] = 0x23
buf3[1] = 0x42
bl.append(buf1)
bl.append(buf2)
bl.append(buf3)
t.equal(bl.readUInt8(2), 0x3)
t.equal(bl.readInt8(2), 0x3)
t.equal(bl.readUInt8(3), 0x4)
t.equal(bl.readInt8(3), 0x4)
t.equal(bl.readUInt8(4), 0x23)
t.equal(bl.readInt8(4), 0x23)
t.equal(bl.readUInt8(5), 0x42)
t.equal(bl.readInt8(5), 0x42)
t.end()
})
tape('test readUInt16LE / readUInt16BE / readInt16LE / readInt16BE', function (t) {
var buf1 = Buffer.alloc(1)
, buf2 = Buffer.alloc(3)
, buf3 = Buffer.alloc(3)
, bl = new BufferList()
buf2[1] = 0x3
buf2[2] = 0x4
buf3[0] = 0x23
buf3[1] = 0x42
bl.append(buf1)
bl.append(buf2)
bl.append(buf3)
t.equal(bl.readUInt16BE(2), 0x0304)
t.equal(bl.readUInt16LE(2), 0x0403)
t.equal(bl.readInt16BE(2), 0x0304)
t.equal(bl.readInt16LE(2), 0x0403)
t.equal(bl.readUInt16BE(3), 0x0423)
t.equal(bl.readUInt16LE(3), 0x2304)
t.equal(bl.readInt16BE(3), 0x0423)
t.equal(bl.readInt16LE(3), 0x2304)
t.equal(bl.readUInt16BE(4), 0x2342)
t.equal(bl.readUInt16LE(4), 0x4223)
t.equal(bl.readInt16BE(4), 0x2342)
t.equal(bl.readInt16LE(4), 0x4223)
t.end()
})
tape('test readUInt32LE / readUInt32BE / readInt32LE / readInt32BE', function (t) {
var buf1 = Buffer.alloc(1)
, buf2 = Buffer.alloc(3)
, buf3 = Buffer.alloc(3)
, bl = new BufferList()
buf2[1] = 0x3
buf2[2] = 0x4
buf3[0] = 0x23
buf3[1] = 0x42
bl.append(buf1)
bl.append(buf2)
bl.append(buf3)
t.equal(bl.readUInt32BE(2), 0x03042342)
t.equal(bl.readUInt32LE(2), 0x42230403)
t.equal(bl.readInt32BE(2), 0x03042342)
t.equal(bl.readInt32LE(2), 0x42230403)
t.end()
})
tape('test readFloatLE / readFloatBE', function (t) {
var buf1 = Buffer.alloc(1)
, buf2 = Buffer.alloc(3)
, buf3 = Buffer.alloc(3)
, bl = new BufferList()
buf2[1] = 0x00
buf2[2] = 0x00
buf3[0] = 0x80
buf3[1] = 0x3f
bl.append(buf1)
bl.append(buf2)
bl.append(buf3)
t.equal(bl.readFloatLE(2), 0x01)
t.end()
})
tape('test readDoubleLE / readDoubleBE', function (t) {
var buf1 = Buffer.alloc(1)
, buf2 = Buffer.alloc(3)
, buf3 = Buffer.alloc(10)
, bl = new BufferList()
buf2[1] = 0x55
buf2[2] = 0x55
buf3[0] = 0x55
buf3[1] = 0x55
buf3[2] = 0x55
buf3[3] = 0x55
buf3[4] = 0xd5
buf3[5] = 0x3f
bl.append(buf1)
bl.append(buf2)
bl.append(buf3)
t.equal(bl.readDoubleLE(2), 0.3333333333333333)
t.end()
})
tape('test toString', function (t) {
var bl = new BufferList()
bl.append(Buffer.from('abcd'))
bl.append(Buffer.from('efg'))
bl.append(Buffer.from('hi'))
bl.append(Buffer.from('j'))
t.equal(bl.toString('ascii', 0, 10), 'abcdefghij')
t.equal(bl.toString('ascii', 3, 10), 'defghij')
t.equal(bl.toString('ascii', 3, 6), 'def')
t.equal(bl.toString('ascii', 3, 8), 'defgh')
t.equal(bl.toString('ascii', 5, 10), 'fghij')
t.end()
})
tape('test toString encoding', function (t) {
var bl = new BufferList()
, b = Buffer.from('abcdefghij\xff\x00')
bl.append(Buffer.from('abcd'))
bl.append(Buffer.from('efg'))
bl.append(Buffer.from('hi'))
bl.append(Buffer.from('j'))
bl.append(Buffer.from('\xff\x00'))
encodings.forEach(function (enc) {
t.equal(bl.toString(enc), b.toString(enc), enc)
})
t.end()
})
!process.browser && tape('test stream', function (t) {
var random = crypto.randomBytes(65534)
, rndhash = hash(random, 'md5')
, md5sum = crypto.createHash('md5')
, bl = new BufferList(function (err, buf) {
t.ok(Buffer.isBuffer(buf))
t.ok(err === null)
t.equal(rndhash, hash(bl.slice(), 'md5'))
t.equal(rndhash, hash(buf, 'md5'))
bl.pipe(fs.createWriteStream('/tmp/bl_test_rnd_out.dat'))
.on('close', function () {
var s = fs.createReadStream('/tmp/bl_test_rnd_out.dat')
s.on('data', md5sum.update.bind(md5sum))
s.on('end', function() {
t.equal(rndhash, md5sum.digest('hex'), 'woohoo! correct hash!')
t.end()
})
})
})
fs.writeFileSync('/tmp/bl_test_rnd.dat', random)
fs.createReadStream('/tmp/bl_test_rnd.dat').pipe(bl)
})
tape('instantiation with Buffer', function (t) {
var buf = crypto.randomBytes(1024)
, buf2 = crypto.randomBytes(1024)
, b = BufferList(buf)
t.equal(buf.toString('hex'), b.slice().toString('hex'), 'same buffer')
b = BufferList([ buf, buf2 ])
t.equal(b.slice().toString('hex'), Buffer.concat([ buf, buf2 ]).toString('hex'), 'same buffer')
t.end()
})
tape('test String appendage', function (t) {
var bl = new BufferList()
, b = Buffer.from('abcdefghij\xff\x00')
bl.append('abcd')
bl.append('efg')
bl.append('hi')
bl.append('j')
bl.append('\xff\x00')
encodings.forEach(function (enc) {
t.equal(bl.toString(enc), b.toString(enc))
})
t.end()
})
tape('test Number appendage', function (t) {
var bl = new BufferList()
, b = Buffer.from('1234567890')
bl.append(1234)
bl.append(567)
bl.append(89)
bl.append(0)
encodings.forEach(function (enc) {
t.equal(bl.toString(enc), b.toString(enc))
})
t.end()
})
tape('write nothing, should get empty buffer', function (t) {
t.plan(3)
BufferList(function (err, data) {
t.notOk(err, 'no error')
t.ok(Buffer.isBuffer(data), 'got a buffer')
t.equal(0, data.length, 'got a zero-length buffer')
t.end()
}).end()
})
tape('unicode string', function (t) {
t.plan(2)
var inp1 = '\u2600'
, inp2 = '\u2603'
, exp = inp1 + ' and ' + inp2
, bl = BufferList()
bl.write(inp1)
bl.write(' and ')
bl.write(inp2)
t.equal(exp, bl.toString())
t.equal(Buffer.from(exp).toString('hex'), bl.toString('hex'))
})
tape('should emit finish', function (t) {
var source = BufferList()
, dest = BufferList()
source.write('hello')
source.pipe(dest)
dest.on('finish', function () {
t.equal(dest.toString('utf8'), 'hello')
t.end()
})
})
tape('basic copy', function (t) {
var buf = crypto.randomBytes(1024)
, buf2 = Buffer.alloc(1024)
, b = BufferList(buf)
b.copy(buf2)
t.equal(b.slice().toString('hex'), buf2.toString('hex'), 'same buffer')
t.end()
})
tape('copy after many appends', function (t) {
var buf = crypto.randomBytes(512)
, buf2 = Buffer.alloc(1024)
, b = BufferList(buf)
b.append(buf)
b.copy(buf2)
t.equal(b.slice().toString('hex'), buf2.toString('hex'), 'same buffer')
t.end()
})
tape('copy at a precise position', function (t) {
var buf = crypto.randomBytes(1004)
, buf2 = Buffer.alloc(1024)
, b = BufferList(buf)
b.copy(buf2, 20)
t.equal(b.slice().toString('hex'), buf2.slice(20).toString('hex'), 'same buffer')
t.end()
})
tape('copy starting from a precise location', function (t) {
var buf = crypto.randomBytes(10)
, buf2 = Buffer.alloc(5)
, b = BufferList(buf)
b.copy(buf2, 0, 5)
t.equal(b.slice(5).toString('hex'), buf2.toString('hex'), 'same buffer')
t.end()
})
tape('copy in an interval', function (t) {
var rnd = crypto.randomBytes(10)
, b = BufferList(rnd) // put the random bytes there
, actual = Buffer.alloc(3)
, expected = Buffer.alloc(3)
rnd.copy(expected, 0, 5, 8)
b.copy(actual, 0, 5, 8)
t.equal(actual.toString('hex'), expected.toString('hex'), 'same buffer')
t.end()
})
tape('copy an interval between two buffers', function (t) {
var buf = crypto.randomBytes(10)
, buf2 = Buffer.alloc(10)
, b = BufferList(buf)
b.append(buf)
b.copy(buf2, 0, 5, 15)
t.equal(b.slice(5, 15).toString('hex'), buf2.toString('hex'), 'same buffer')
t.end()
})
tape('shallow slice across buffer boundaries', function (t) {
var bl = new BufferList(['First', 'Second', 'Third'])
t.equal(bl.shallowSlice(3, 13).toString(), 'stSecondTh')
t.end()
})
tape('shallow slice within single buffer', function (t) {
t.plan(2)
var bl = new BufferList(['First', 'Second', 'Third'])
t.equal(bl.shallowSlice(5, 10).toString(), 'Secon')
t.equal(bl.shallowSlice(7, 10).toString(), 'con')
t.end()
})
tape('shallow slice single buffer', function (t) {
t.plan(3)
var bl = new BufferList(['First', 'Second', 'Third'])
t.equal(bl.shallowSlice(0, 5).toString(), 'First')
t.equal(bl.shallowSlice(5, 11).toString(), 'Second')
t.equal(bl.shallowSlice(11, 16).toString(), 'Third')
})
tape('shallow slice with negative or omitted indices', function (t) {
t.plan(4)
var bl = new BufferList(['First', 'Second', 'Third'])
t.equal(bl.shallowSlice().toString(), 'FirstSecondThird')
t.equal(bl.shallowSlice(5).toString(), 'SecondThird')
t.equal(bl.shallowSlice(5, -3).toString(), 'SecondTh')
t.equal(bl.shallowSlice(-8).toString(), 'ondThird')
})
tape('shallow slice does not make a copy', function (t) {
t.plan(1)
var buffers = [Buffer.from('First'), Buffer.from('Second'), Buffer.from('Third')]
var bl = (new BufferList(buffers)).shallowSlice(5, -3)
buffers[1].fill('h')
buffers[2].fill('h')
t.equal(bl.toString(), 'hhhhhhhh')
})
tape('duplicate', function (t) {
t.plan(2)
var bl = new BufferList('abcdefghij\xff\x00')
, dup = bl.duplicate()
t.equal(bl.prototype, dup.prototype)
t.equal(bl.toString('hex'), dup.toString('hex'))
})
tape('destroy no pipe', function (t) {
t.plan(2)
var bl = new BufferList('alsdkfja;lsdkfja;lsdk')
bl.destroy()
t.equal(bl._bufs.length, 0)
t.equal(bl.length, 0)
})
!process.browser && tape('destroy with pipe before read end', function (t) {
t.plan(2)
var bl = new BufferList()
fs.createReadStream(__dirname + '/test.js')
.pipe(bl)
bl.destroy()
t.equal(bl._bufs.length, 0)
t.equal(bl.length, 0)
})
!process.browser && tape('destroy with pipe before read end with race', function (t) {
t.plan(2)
var bl = new BufferList()
fs.createReadStream(__dirname + '/test.js')
.pipe(bl)
setTimeout(function () {
bl.destroy()
setTimeout(function () {
t.equal(bl._bufs.length, 0)
t.equal(bl.length, 0)
}, 500)
}, 500)
})
!process.browser && tape('destroy with pipe after read end', function (t) {
t.plan(2)
var bl = new BufferList()
fs.createReadStream(__dirname + '/test.js')
.on('end', onEnd)
.pipe(bl)
function onEnd () {
bl.destroy()
t.equal(bl._bufs.length, 0)
t.equal(bl.length, 0)
}
})
!process.browser && tape('destroy with pipe while writing to a destination', function (t) {
t.plan(4)
var bl = new BufferList()
, ds = new BufferList()
fs.createReadStream(__dirname + '/test.js')
.on('end', onEnd)
.pipe(bl)
function onEnd () {
bl.pipe(ds)
setTimeout(function () {
bl.destroy()
t.equals(bl._bufs.length, 0)
t.equals(bl.length, 0)
ds.destroy()
t.equals(bl._bufs.length, 0)
t.equals(bl.length, 0)
}, 100)
}
})
!process.browser && tape('handle error', function (t) {
t.plan(2)
fs.createReadStream('/does/not/exist').pipe(BufferList(function (err, data) {
t.ok(err instanceof Error, 'has error')
t.notOk(data, 'no data')
}))
})

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MIT License
Copyright (c) 2013 Julian Gruber <julian@juliangruber.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# brace-expansion
[Brace expansion](https://www.gnu.org/software/bash/manual/html_node/Brace-Expansion.html),
as known from sh/bash, in JavaScript.
[![build status](https://secure.travis-ci.org/juliangruber/brace-expansion.svg)](http://travis-ci.org/juliangruber/brace-expansion)
[![downloads](https://img.shields.io/npm/dm/brace-expansion.svg)](https://www.npmjs.org/package/brace-expansion)
[![Greenkeeper badge](https://badges.greenkeeper.io/juliangruber/brace-expansion.svg)](https://greenkeeper.io/)
[![testling badge](https://ci.testling.com/juliangruber/brace-expansion.png)](https://ci.testling.com/juliangruber/brace-expansion)
## Example
```js
var expand = require('brace-expansion');
expand('file-{a,b,c}.jpg')
// => ['file-a.jpg', 'file-b.jpg', 'file-c.jpg']
expand('-v{,,}')
// => ['-v', '-v', '-v']
expand('file{0..2}.jpg')
// => ['file0.jpg', 'file1.jpg', 'file2.jpg']
expand('file-{a..c}.jpg')
// => ['file-a.jpg', 'file-b.jpg', 'file-c.jpg']
expand('file{2..0}.jpg')
// => ['file2.jpg', 'file1.jpg', 'file0.jpg']
expand('file{0..4..2}.jpg')
// => ['file0.jpg', 'file2.jpg', 'file4.jpg']
expand('file-{a..e..2}.jpg')
// => ['file-a.jpg', 'file-c.jpg', 'file-e.jpg']
expand('file{00..10..5}.jpg')
// => ['file00.jpg', 'file05.jpg', 'file10.jpg']
expand('{{A..C},{a..c}}')
// => ['A', 'B', 'C', 'a', 'b', 'c']
expand('ppp{,config,oe{,conf}}')
// => ['ppp', 'pppconfig', 'pppoe', 'pppoeconf']
```
## API
```js
var expand = require('brace-expansion');
```
### var expanded = expand(str)
Return an array of all possible and valid expansions of `str`. If none are
found, `[str]` is returned.
Valid expansions are:
```js
/^(.*,)+(.+)?$/
// {a,b,...}
```
A comma separated list of options, like `{a,b}` or `{a,{b,c}}` or `{,a,}`.
```js
/^-?\d+\.\.-?\d+(\.\.-?\d+)?$/
// {x..y[..incr]}
```
A numeric sequence from `x` to `y` inclusive, with optional increment.
If `x` or `y` start with a leading `0`, all the numbers will be padded
to have equal length. Negative numbers and backwards iteration work too.
```js
/^-?\d+\.\.-?\d+(\.\.-?\d+)?$/
// {x..y[..incr]}
```
An alphabetic sequence from `x` to `y` inclusive, with optional increment.
`x` and `y` must be exactly one character, and if given, `incr` must be a
number.
For compatibility reasons, the string `${` is not eligible for brace expansion.
## Installation
With [npm](https://npmjs.org) do:
```bash
npm install brace-expansion
```
## Contributors
- [Julian Gruber](https://github.com/juliangruber)
- [Isaac Z. Schlueter](https://github.com/isaacs)
## Sponsors
This module is proudly supported by my [Sponsors](https://github.com/juliangruber/sponsors)!
Do you want to support modules like this to improve their quality, stability and weigh in on new features? Then please consider donating to my [Patreon](https://www.patreon.com/juliangruber). Not sure how much of my modules you're using? Try [feross/thanks](https://github.com/feross/thanks)!
## License
(MIT)
Copyright (c) 2013 Julian Gruber &lt;julian@juliangruber.com&gt;
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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var concatMap = require('concat-map');
var balanced = require('balanced-match');
module.exports = expandTop;
var escSlash = '\0SLASH'+Math.random()+'\0';
var escOpen = '\0OPEN'+Math.random()+'\0';
var escClose = '\0CLOSE'+Math.random()+'\0';
var escComma = '\0COMMA'+Math.random()+'\0';
var escPeriod = '\0PERIOD'+Math.random()+'\0';
function numeric(str) {
return parseInt(str, 10) == str
? parseInt(str, 10)
: str.charCodeAt(0);
}
function escapeBraces(str) {
return str.split('\\\\').join(escSlash)
.split('\\{').join(escOpen)
.split('\\}').join(escClose)
.split('\\,').join(escComma)
.split('\\.').join(escPeriod);
}
function unescapeBraces(str) {
return str.split(escSlash).join('\\')
.split(escOpen).join('{')
.split(escClose).join('}')
.split(escComma).join(',')
.split(escPeriod).join('.');
}
// Basically just str.split(","), but handling cases
// where we have nested braced sections, which should be
// treated as individual members, like {a,{b,c},d}
function parseCommaParts(str) {
if (!str)
return [''];
var parts = [];
var m = balanced('{', '}', str);
if (!m)
return str.split(',');
var pre = m.pre;
var body = m.body;
var post = m.post;
var p = pre.split(',');
p[p.length-1] += '{' + body + '}';
var postParts = parseCommaParts(post);
if (post.length) {
p[p.length-1] += postParts.shift();
p.push.apply(p, postParts);
}
parts.push.apply(parts, p);
return parts;
}
function expandTop(str) {
if (!str)
return [];
// I don't know why Bash 4.3 does this, but it does.
// Anything starting with {} will have the first two bytes preserved
// but *only* at the top level, so {},a}b will not expand to anything,
// but a{},b}c will be expanded to [a}c,abc].
// One could argue that this is a bug in Bash, but since the goal of
// this module is to match Bash's rules, we escape a leading {}
if (str.substr(0, 2) === '{}') {
str = '\\{\\}' + str.substr(2);
}
return expand(escapeBraces(str), true).map(unescapeBraces);
}
function identity(e) {
return e;
}
function embrace(str) {
return '{' + str + '}';
}
function isPadded(el) {
return /^-?0\d/.test(el);
}
function lte(i, y) {
return i <= y;
}
function gte(i, y) {
return i >= y;
}
function expand(str, isTop) {
var expansions = [];
var m = balanced('{', '}', str);
if (!m || /\$$/.test(m.pre)) return [str];
var isNumericSequence = /^-?\d+\.\.-?\d+(?:\.\.-?\d+)?$/.test(m.body);
var isAlphaSequence = /^[a-zA-Z]\.\.[a-zA-Z](?:\.\.-?\d+)?$/.test(m.body);
var isSequence = isNumericSequence || isAlphaSequence;
var isOptions = m.body.indexOf(',') >= 0;
if (!isSequence && !isOptions) {
// {a},b}
if (m.post.match(/,.*\}/)) {
str = m.pre + '{' + m.body + escClose + m.post;
return expand(str);
}
return [str];
}
var n;
if (isSequence) {
n = m.body.split(/\.\./);
} else {
n = parseCommaParts(m.body);
if (n.length === 1) {
// x{{a,b}}y ==> x{a}y x{b}y
n = expand(n[0], false).map(embrace);
if (n.length === 1) {
var post = m.post.length
? expand(m.post, false)
: [''];
return post.map(function(p) {
return m.pre + n[0] + p;
});
}
}
}
// at this point, n is the parts, and we know it's not a comma set
// with a single entry.
// no need to expand pre, since it is guaranteed to be free of brace-sets
var pre = m.pre;
var post = m.post.length
? expand(m.post, false)
: [''];
var N;
if (isSequence) {
var x = numeric(n[0]);
var y = numeric(n[1]);
var width = Math.max(n[0].length, n[1].length)
var incr = n.length == 3
? Math.abs(numeric(n[2]))
: 1;
var test = lte;
var reverse = y < x;
if (reverse) {
incr *= -1;
test = gte;
}
var pad = n.some(isPadded);
N = [];
for (var i = x; test(i, y); i += incr) {
var c;
if (isAlphaSequence) {
c = String.fromCharCode(i);
if (c === '\\')
c = '';
} else {
c = String(i);
if (pad) {
var need = width - c.length;
if (need > 0) {
var z = new Array(need + 1).join('0');
if (i < 0)
c = '-' + z + c.slice(1);
else
c = z + c;
}
}
}
N.push(c);
}
} else {
N = concatMap(n, function(el) { return expand(el, false) });
}
for (var j = 0; j < N.length; j++) {
for (var k = 0; k < post.length; k++) {
var expansion = pre + N[j] + post[k];
if (!isTop || isSequence || expansion)
expansions.push(expansion);
}
}
return expansions;
}

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{
"_from": "brace-expansion@^1.1.7",
"_id": "brace-expansion@1.1.11",
"_inBundle": false,
"_integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
"_location": "/brace-expansion",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "brace-expansion@^1.1.7",
"name": "brace-expansion",
"escapedName": "brace-expansion",
"rawSpec": "^1.1.7",
"saveSpec": null,
"fetchSpec": "^1.1.7"
},
"_requiredBy": [
"/minimatch"
],
"_resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
"_shasum": "3c7fcbf529d87226f3d2f52b966ff5271eb441dd",
"_spec": "brace-expansion@^1.1.7",
"_where": "/home/wn/workspace-node/PiAlive/node_modules/minimatch",
"author": {
"name": "Julian Gruber",
"email": "mail@juliangruber.com",
"url": "http://juliangruber.com"
},
"bugs": {
"url": "https://github.com/juliangruber/brace-expansion/issues"
},
"bundleDependencies": false,
"dependencies": {
"balanced-match": "^1.0.0",
"concat-map": "0.0.1"
},
"deprecated": false,
"description": "Brace expansion as known from sh/bash",
"devDependencies": {
"matcha": "^0.7.0",
"tape": "^4.6.0"
},
"homepage": "https://github.com/juliangruber/brace-expansion",
"keywords": [],
"license": "MIT",
"main": "index.js",
"name": "brace-expansion",
"repository": {
"type": "git",
"url": "git://github.com/juliangruber/brace-expansion.git"
},
"scripts": {
"bench": "matcha test/perf/bench.js",
"gentest": "bash test/generate.sh",
"test": "tape test/*.js"
},
"testling": {
"files": "test/*.js",
"browsers": [
"ie/8..latest",
"firefox/20..latest",
"firefox/nightly",
"chrome/25..latest",
"chrome/canary",
"opera/12..latest",
"opera/next",
"safari/5.1..latest",
"ipad/6.0..latest",
"iphone/6.0..latest",
"android-browser/4.2..latest"
]
},
"version": "1.1.11"
}

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var toString = Object.prototype.toString
var isModern = (
typeof Buffer.alloc === 'function' &&
typeof Buffer.allocUnsafe === 'function' &&
typeof Buffer.from === 'function'
)
function isArrayBuffer (input) {
return toString.call(input).slice(8, -1) === 'ArrayBuffer'
}
function fromArrayBuffer (obj, byteOffset, length) {
byteOffset >>>= 0
var maxLength = obj.byteLength - byteOffset
if (maxLength < 0) {
throw new RangeError("'offset' is out of bounds")
}
if (length === undefined) {
length = maxLength
} else {
length >>>= 0
if (length > maxLength) {
throw new RangeError("'length' is out of bounds")
}
}
return isModern
? Buffer.from(obj.slice(byteOffset, byteOffset + length))
: new Buffer(new Uint8Array(obj.slice(byteOffset, byteOffset + length)))
}
function fromString (string, encoding) {
if (typeof encoding !== 'string' || encoding === '') {
encoding = 'utf8'
}
if (!Buffer.isEncoding(encoding)) {
throw new TypeError('"encoding" must be a valid string encoding')
}
return isModern
? Buffer.from(string, encoding)
: new Buffer(string, encoding)
}
function bufferFrom (value, encodingOrOffset, length) {
if (typeof value === 'number') {
throw new TypeError('"value" argument must not be a number')
}
if (isArrayBuffer(value)) {
return fromArrayBuffer(value, encodingOrOffset, length)
}
if (typeof value === 'string') {
return fromString(value, encodingOrOffset)
}
return isModern
? Buffer.from(value)
: new Buffer(value)
}
module.exports = bufferFrom

49
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{
"_from": "buffer-from@^1.0.0",
"_id": "buffer-from@1.0.0",
"_inBundle": false,
"_integrity": "sha512-83apNb8KK0Se60UE1+4Ukbe3HbfELJ6UlI4ldtOGs7So4KD26orJM8hIY9lxdzP+UpItH1Yh/Y8GUvNFWFFRxA==",
"_location": "/buffer-from",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "buffer-from@^1.0.0",
"name": "buffer-from",
"escapedName": "buffer-from",
"rawSpec": "^1.0.0",
"saveSpec": null,
"fetchSpec": "^1.0.0"
},
"_requiredBy": [
"/concat-stream"
],
"_resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.0.0.tgz",
"_shasum": "4cb8832d23612589b0406e9e2956c17f06fdf531",
"_spec": "buffer-from@^1.0.0",
"_where": "/home/wn/workspace-node/PiAlive/node_modules/concat-stream",
"bugs": {
"url": "https://github.com/LinusU/buffer-from/issues"
},
"bundleDependencies": false,
"deprecated": false,
"description": "A [ponyfill](https://ponyfill.com) for `Buffer.from`, uses native implementation if available.",
"devDependencies": {
"standard": "^7.1.2"
},
"homepage": "https://github.com/LinusU/buffer-from#readme",
"keywords": [
"buffer",
"buffer from"
],
"license": "MIT",
"name": "buffer-from",
"repository": {
"type": "git",
"url": "git+https://github.com/LinusU/buffer-from.git"
},
"scripts": {
"test": "standard && node test"
},
"version": "1.0.0"
}

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# Buffer From
A [ponyfill](https://ponyfill.com) for `Buffer.from`, uses native implementation if available.
## Installation
```sh
npm install --save buffer-from
```
## Usage
```js
const bufferFrom = require('buffer-from')
console.log(bufferFrom([1, 2, 3, 4]))
//=> <Buffer 01 02 03 04>
const arr = new Uint8Array([1, 2, 3, 4])
console.log(bufferFrom(arr.buffer, 1, 2))
//=> <Buffer 02 03>
console.log(bufferFrom('test', 'utf8'))
//=> <Buffer 74 65 73 74>
const buf = bufferFrom('test')
console.log(bufferFrom(buf))
//=> <Buffer 74 65 73 74>
```
## API
### bufferFrom(array)
- `array` &lt;Array&gt;
Allocates a new `Buffer` using an `array` of octets.
### bufferFrom(arrayBuffer[, byteOffset[, length]])
- `arrayBuffer` &lt;ArrayBuffer&gt; The `.buffer` property of a TypedArray or ArrayBuffer
- `byteOffset` &lt;Integer&gt; Where to start copying from `arrayBuffer`. **Default:** `0`
- `length` &lt;Integer&gt; How many bytes to copy from `arrayBuffer`. **Default:** `arrayBuffer.length - byteOffset`
When passed a reference to the `.buffer` property of a TypedArray instance, the
newly created `Buffer` will share the same allocated memory as the TypedArray.
The optional `byteOffset` and `length` arguments specify a memory range within
the `arrayBuffer` that will be shared by the `Buffer`.
### bufferFrom(buffer)
- `buffer` &lt;Buffer&gt; An existing `Buffer` to copy data from
Copies the passed `buffer` data onto a new `Buffer` instance.
### bufferFrom(string[, encoding])
- `string` &lt;String&gt; A string to encode.
- `encoding` &lt;String&gt; The encoding of `string`. **Default:** `'utf8'`
Creates a new `Buffer` containing the given JavaScript string `string`. If
provided, the `encoding` parameter identifies the character encoding of
`string`.
## See also
- [buffer-alloc](https://github.com/LinusU/buffer-alloc) A ponyfill for `Buffer.alloc`
- [buffer-alloc-unsafe](https://github.com/LinusU/buffer-alloc-unsafe) A ponyfill for `Buffer.allocUnsafe`

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var bufferFrom = require('./')
var assert = require('assert')
assert.equal(bufferFrom([1, 2, 3, 4]).toString('hex'), '01020304')
var arr = new Uint8Array([1, 2, 3, 4])
assert.equal(bufferFrom(arr.buffer, 1, 2).toString('hex'), '0203')
assert.equal(bufferFrom('test', 'utf8').toString('hex'), '74657374')
var buf = bufferFrom('test')
assert.equal(bufferFrom(buf).toString('hex'), '74657374')

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{
"predef": [ ]
, "bitwise": false
, "camelcase": false
, "curly": false
, "eqeqeq": false
, "forin": false
, "immed": false
, "latedef": false
, "noarg": true
, "noempty": true
, "nonew": true
, "plusplus": false
, "quotmark": true
, "regexp": false
, "undef": true
, "unused": true
, "strict": false
, "trailing": true
, "maxlen": 120
, "asi": true
, "boss": true
, "debug": true
, "eqnull": true
, "es5": true
, "esnext": true
, "evil": true
, "expr": true
, "funcscope": false
, "globalstrict": false
, "iterator": false
, "lastsemic": true
, "laxbreak": true
, "laxcomma": true
, "loopfunc": true
, "multistr": false
, "onecase": false
, "proto": false
, "regexdash": false
, "scripturl": true
, "smarttabs": false
, "shadow": false
, "sub": true
, "supernew": false
, "validthis": true
, "browser": true
, "couch": false
, "devel": false
, "dojo": false
, "mootools": false
, "node": true
, "nonstandard": true
, "prototypejs": false
, "rhino": false
, "worker": true
, "wsh": false
, "nomen": false
, "onevar": true
, "passfail": false
}

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node_modules/
build/
libleveldb.so
libleveldb.a
test-data/
_benchdb_*
*.sw*

4
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language: node_js
node_js:
- 0.8
- "0.10"

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CallbackStream
=====
[![Build
Status](https://travis-ci.org/mcollina/callback-stream.png)](https://travis-ci.org/mcollina/callback-stream)
It is a safe variant of the
[concat-stream](https://github.com/maxogden/node-concat-stream)
package that _will always return an array_.
It does everything callback-stream does, minus the concatenation.
In fact, it just callbacks you with an array containing your
good stuff.
It is based on the Stream 2 API, but it also works on node v0.8.
It also support Stream 3, which is bundled with node v0.12 and iojs.
## Installation
```
npm install callback-stream --save
```
## Pipe usage
```js
var callback = require('callback-stream')
var fs = require('fs')
var read = fs.createReadStream('readme.md')
var write = callback(function (err, data) {
console.log(err, data)
})
read.pipe(write)
```
## Object mode usage
```
var callback = require('callback-stream')
var write = callback.obj(function (err, data) {
// this will print ['hello', 'world']
console.log(data)
})
write.write('hello')
write.write('world')
write.end()
```
## Contributing to CallbackStream
* Check out the latest master to make sure the feature hasn't been
implemented or the bug hasn't been fixed yet
* Check out the issue tracker to make sure someone already hasn't
requested it and/or contributed it
* Fork the project
* Start a feature/bugfix branch
* Commit and push until you are happy with your contribution
* Make sure to add tests for it. This is important so I don't break it
in a future version unintentionally.
## LICENSE - "MIT License"
Copyright (c) 2013-2015 Matteo Collina, http://matteocollina.com
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following
conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.

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'use strict'
var Writable = require('readable-stream').Writable
var inherits = require('inherits')
function CallbackStream (options, callback) {
if (!(this instanceof CallbackStream)) {
return new CallbackStream(options, callback)
}
if (typeof options === 'function') {
callback = options
options = {}
}
Writable.call(this, options)
this.results = []
this.callback = callback
this.on('finish', deliversCallback)
this.once('pipe', handlePipe)
}
function deliversCallback () {
this.callback(null, this.results)
}
function handlePipe (source) {
source.on('error', this.callback)
}
inherits(CallbackStream, Writable)
CallbackStream.prototype._write = function (data, encoding, done) {
this.results.push(data)
done()
}
CallbackStream.obj = function (options, callback) {
if (typeof options === 'function') {
callback = options
options = {}
}
options.objectMode = true
return new CallbackStream(options, callback)
}
module.exports = CallbackStream

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{
"_from": "callback-stream@^1.0.2",
"_id": "callback-stream@1.1.0",
"_inBundle": false,
"_integrity": "sha1-RwGlEmbwbgbqpx/BcjOCLYdfSQg=",
"_location": "/callback-stream",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "callback-stream@^1.0.2",
"name": "callback-stream",
"escapedName": "callback-stream",
"rawSpec": "^1.0.2",
"saveSpec": null,
"fetchSpec": "^1.0.2"
},
"_requiredBy": [
"/help-me"
],
"_resolved": "https://registry.npmjs.org/callback-stream/-/callback-stream-1.1.0.tgz",
"_shasum": "4701a51266f06e06eaa71fc17233822d875f4908",
"_spec": "callback-stream@^1.0.2",
"_where": "/home/wn/workspace-node/PiAlive/node_modules/help-me",
"author": {
"name": "Matteo Collina",
"email": "hello@matteocollina.com"
},
"bugs": {
"url": "http://github.com/mcollina/callback-stream/issues"
},
"bundleDependencies": false,
"dependencies": {
"inherits": "^2.0.1",
"readable-stream": "> 1.0.0 < 3.0.0"
},
"deprecated": false,
"description": "A pipeable stream that calls your callback",
"devDependencies": {
"pre-commit": "^1.1.1",
"standard": "^5.0.0",
"tap": "~0.4.2",
"tape": "^4.0.2"
},
"homepage": "https://github.com/mcollina/callback-stream#readme",
"keywords": [
"callback",
"stream"
],
"license": "MIT",
"main": "index.js",
"name": "callback-stream",
"precommit": [
"lint",
"test"
],
"repository": {
"type": "git",
"url": "git+https://github.com/mcollina/callback-stream.git"
},
"scripts": {
"lint": "standard",
"test": "tap test.js"
},
"version": "1.1.0",
"website": "https://github.com/mcollina/callback-stream"
}

57
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'use strict'
var test = require('tap').test
var callback = require('./')
var fs = require('fs')
test('call the callback after end with object mode', function (t) {
var opts = { objectMode: true }
var stream = callback(opts, function (err, results) {
t.deepEqual(results, ['hello'], 'should return the ending value')
t.end()
})
stream.end('hello')
})
test('support multiple writes with object mode', function (t) {
var opts = { objectMode: true }
var stream = callback(opts, function (err, results) {
t.deepEqual(results, ['hello', 'world'], 'should return the ending value')
t.end()
})
stream.write('hello')
stream.end('world')
})
test('works without object mode', function (t) {
var stream = callback(function (err, results) {
t.equal(results.length, 1, 'should contain only one value')
t.deepEqual(results[0].toString(), 'world', 'should return the ending value')
t.end()
})
stream.end('world')
})
test('is pipeable', function (t) {
var write = callback(function (err, results) {
var actual = Buffer.concat(results).toString()
var expected = fs.readFileSync('README.md').toString()
t.equal(actual, expected, 'should have the same content of the file')
t.end()
})
var read = fs.createReadStream('README.md')
read.pipe(write)
})
test('callback.obj shortcut for objectMode', function (t) {
var stream = callback.obj(function (err, results) {
t.deepEqual(results, ['hello'], 'should return the ending value')
t.end()
})
stream.end('hello')
})

25
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@ -0,0 +1,25 @@
# Logs
logs
*.log
# Runtime data
pids
*.pid
*.seed
# Directory for instrumented libs generated by jscoverage/JSCover
lib-cov
# Coverage directory used by tools like istanbul
coverage
# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
.grunt
# Compiled binary addons (http://nodejs.org/api/addons.html)
build/Release
# Dependency directory
# Deployed apps should consider commenting this line out:
# see https://npmjs.org/doc/faq.html#Should-I-check-my-node_modules-folder-into-git
node_modules

21
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@ -0,0 +1,21 @@
The MIT License (MIT)
Copyright (c) 2014 Matteo Collina
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

56
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commist
=======
Build command line application with multiple commands the easy way.
To be used with [minimist](http://npm.im/minimist).
```js
var program = require('commist')()
, minimist = require('minimist')
, result
result = program
.register('abcd', function(args) {
console.log('just do', args)
})
.register('args', function(args) {
args = minimist(args)
console.log('just do', args)
})
.register('abcde code', function(args) {
console.log('doing something', args)
})
.register('another command', function(args) {
console.log('anothering', args)
})
.parse(process.argv.splice(2))
if (result) {
console.log('no command called, args', result)
}
```
When calling _commist_ programs, you can abbreviate down to three char
words. In the above example, these are valid commands:
```
node example.js abc
node example.js abc cod
node example.js anot comm
```
Moreover, little spelling mistakes are corrected too:
```
node example.js abcs cod
```
Acknowledgements
----------------
This project was kindly sponsored by [nearForm](http://nearform.com).
License
-------
MIT

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var program = require('./')()
, minimist = require('minimist')
, result
result = program
.register('abcd', function(args) {
console.log('just do', args)
})
.register('args', function(args) {
args = minimist(args)
console.log('just do', args)
})
.register('abcde code', function(args) {
console.log('doing something', args)
})
.register('another command', function(args) {
console.log('anothering', args)
})
.parse(process.argv.splice(2))
if (result) {
console.log('no command called, args', result)
}

123
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/*
The MIT License (MIT)
Copyright (c) 2014 Matteo Collina
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
'use strict';
var leven = require('leven')
function commist() {
var commands = []
function lookup(array) {
if (typeof array === 'string')
array = array.split(' ')
return commands.map(function(cmd) {
return cmd.match(array)
}).filter(function(match) {
return match.partsNotMatched === 0
}).sort(function(a, b) {
if (a.inputNotMatched > b.inputNotMatched)
return 1
if (a.inputNotMatched === b.inputNotMatched && a.totalDistance > b.totalDistance)
return 1
return -1
}).map(function(match) {
return match.cmd
})
}
function parse(args) {
var matching = lookup(args)
if (matching.length > 0) {
matching[0].call(args)
// return null if there is nothing left to do
return null
}
return args
}
function register(command, func) {
var matching = lookup(command)
matching.forEach(function(match) {
if (match.string === command)
throw new Error('command already registered: ' + command)
})
commands.push(new Command(command, func))
return this
}
return {
register: register
, parse: parse
, lookup: lookup
}
}
function Command(string, func) {
this.string = string
this.parts = string.split(' ')
this.length = this.parts.length
this.func = func
this.parts.forEach(function(part) {
if (part.length < 3)
throw new Error('command words must be at least 3 chars: ' + command)
})
}
Command.prototype.call = function call(argv) {
this.func(argv.slice(this.length))
}
Command.prototype.match = function match(string) {
return new CommandMatch(this, string)
}
function CommandMatch(cmd, array) {
this.cmd = cmd
this.distances = cmd.parts.map(function(elem, i) {
if (array[i] !== undefined)
return leven(elem, array[i])
else
return undefined
}).filter(function(distance, i) {
return distance !== undefined && distance < cmd.parts[i].length - 2
})
this.partsNotMatched = cmd.length - this.distances.length
this.inputNotMatched = array.length - this.distances.length
this.totalDistance = this.distances.reduce(function(acc, i) { return acc + i }, 0)
}
module.exports = commist

57
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{
"_from": "commist@^1.0.0",
"_id": "commist@1.0.0",
"_inBundle": false,
"_integrity": "sha1-wMNSUBz29S6RJOPvicmAbiAi6+8=",
"_location": "/commist",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "commist@^1.0.0",
"name": "commist",
"escapedName": "commist",
"rawSpec": "^1.0.0",
"saveSpec": null,
"fetchSpec": "^1.0.0"
},
"_requiredBy": [
"/mqtt"
],
"_resolved": "https://registry.npmjs.org/commist/-/commist-1.0.0.tgz",
"_shasum": "c0c352501cf6f52e9124e3ef89c9806e2022ebef",
"_spec": "commist@^1.0.0",
"_where": "/home/wn/workspace-node/PiAlive/node_modules/mqtt",
"author": {
"name": "Matteo Collina",
"email": "hello@matteocollina.com"
},
"bugs": {
"url": "https://github.com/mcollina/commist/issues"
},
"bundleDependencies": false,
"dependencies": {
"leven": "^1.0.0",
"minimist": "^1.1.0"
},
"deprecated": false,
"description": "Build your commands on minimist!",
"devDependencies": {
"minimist": "^1.1.0",
"pre-commit": "0.0.9",
"tape": "^3.0.3"
},
"homepage": "https://github.com/mcollina/commist",
"license": "MIT",
"main": "index.js",
"name": "commist",
"pre-commit": "test",
"repository": {
"type": "git",
"url": "git+https://github.com/mcollina/commist.git"
},
"scripts": {
"test": "tap test.js"
},
"version": "1.0.0"
}

191
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var test = require('tape').test
, commist = require('./')
, minimist = require('minimist')
test('registering a command', function(t) {
t.plan(2)
var program = commist()
, result
program.register('hello', function(args) {
t.deepEqual(args, ['a', '-x', '23'])
})
result = program.parse(['hello', 'a', '-x', '23'])
t.notOk(result, 'must return null, the command have been handled')
})
test('registering two commands', function(t) {
t.plan(1)
var program = commist()
, result
program.register('hello', function(args) {
t.ok(false, 'must pick the right command')
})
program.register('world', function(args) {
t.deepEqual(args, ['a', '-x', '23'])
})
program.parse(['world', 'a', '-x', '23'])
})
test('registering two commands (bis)', function(t) {
t.plan(1)
var program = commist()
, result
program.register('hello', function(args) {
t.deepEqual(args, ['a', '-x', '23'])
})
program.register('world', function(args) {
t.ok(false, 'must pick the right command')
})
program.parse(['hello', 'a', '-x', '23'])
})
test('registering two words commands', function(t) {
t.plan(1)
var program = commist()
, result
program.register('hello', function(args) {
t.ok(false, 'must pick the right command')
})
program.register('hello world', function(args) {
t.deepEqual(args, ['a', '-x', '23'])
})
program.parse(['hello', 'world', 'a', '-x', '23'])
})
test('registering two words commands (bis)', function(t) {
t.plan(1)
var program = commist()
, result
program.register('hello', function(args) {
t.deepEqual(args, ['a', '-x', '23'])
})
program.register('hello world', function(args) {
t.ok(false, 'must pick the right command')
})
program.parse(['hello', 'a', '-x', '23'])
})
test('registering ambiguous commands throws exception', function(t) {
var program = commist()
, result
function noop() {}
program.register('hello', noop)
program.register('hello world', noop)
program.register('hello world matteo', noop)
try {
program.register('hello world', noop)
t.ok(false, 'must throw if double-registering the same command')
} catch(err) {
}
t.end()
})
test('looking up commands', function(t) {
var program = commist()
, result
function noop1() {}
function noop2() {}
function noop3() {}
program.register('hello', noop1)
program.register('hello world matteo', noop3)
program.register('hello world', noop2)
t.equal(program.lookup('hello')[0].func, noop1)
t.equal(program.lookup('hello world matteo')[0].func, noop3)
t.equal(program.lookup('hello world')[0].func, noop2)
t.end()
})
test('looking up commands with abbreviations', function(t) {
var program = commist()
, result
function noop1() {}
function noop2() {}
function noop3() {}
program.register('hello', noop1)
program.register('hello world matteo', noop3)
program.register('hello world', noop2)
t.equal(program.lookup('hel')[0].func, noop1)
t.equal(program.lookup('hel wor mat')[0].func, noop3)
t.equal(program.lookup('hel wor')[0].func, noop2)
t.end()
})
test('executing commands from abbreviations', function(t) {
t.plan(1)
var program = commist()
, result
program.register('hello', function(args) {
t.deepEqual(args, ['a', '-x', '23'])
})
program.register('hello world', function(args) {
t.ok(false, 'must pick the right command')
})
program.parse(['hel', 'a', '-x', '23'])
})
test('a command must be at least 3 chars', function(t) {
var program = commist()
, result
function noop1() {}
try {
program.register('h', noop1)
t.ok(false, 'not thrown')
} catch(err) {
}
t.end()
})
test('a command part must be at least 3 chars', function(t) {
var program = commist()
, result
function noop1() {}
try {
program.register('h b', noop1)
t.ok(false, 'not thrown')
} catch(err) {
}
t.end()
})

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@ -0,0 +1,4 @@
language: node_js
node_js:
- 0.4
- 0.6

18
node_modules/concat-map/LICENSE generated vendored Normal file
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This software is released under the MIT license:
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

62
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concat-map
==========
Concatenative mapdashery.
[![browser support](http://ci.testling.com/substack/node-concat-map.png)](http://ci.testling.com/substack/node-concat-map)
[![build status](https://secure.travis-ci.org/substack/node-concat-map.png)](http://travis-ci.org/substack/node-concat-map)
example
=======
``` js
var concatMap = require('concat-map');
var xs = [ 1, 2, 3, 4, 5, 6 ];
var ys = concatMap(xs, function (x) {
return x % 2 ? [ x - 0.1, x, x + 0.1 ] : [];
});
console.dir(ys);
```
***
```
[ 0.9, 1, 1.1, 2.9, 3, 3.1, 4.9, 5, 5.1 ]
```
methods
=======
``` js
var concatMap = require('concat-map')
```
concatMap(xs, fn)
-----------------
Return an array of concatenated elements by calling `fn(x, i)` for each element
`x` and each index `i` in the array `xs`.
When `fn(x, i)` returns an array, its result will be concatenated with the
result array. If `fn(x, i)` returns anything else, that value will be pushed
onto the end of the result array.
install
=======
With [npm](http://npmjs.org) do:
```
npm install concat-map
```
license
=======
MIT
notes
=====
This module was written while sitting high above the ground in a tree.

6
node_modules/concat-map/example/map.js generated vendored Normal file
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var concatMap = require('../');
var xs = [ 1, 2, 3, 4, 5, 6 ];
var ys = concatMap(xs, function (x) {
return x % 2 ? [ x - 0.1, x, x + 0.1 ] : [];
});
console.dir(ys);

13
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@ -0,0 +1,13 @@
module.exports = function (xs, fn) {
var res = [];
for (var i = 0; i < xs.length; i++) {
var x = fn(xs[i], i);
if (isArray(x)) res.push.apply(res, x);
else res.push(x);
}
return res;
};
var isArray = Array.isArray || function (xs) {
return Object.prototype.toString.call(xs) === '[object Array]';
};

88
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{
"_from": "concat-map@0.0.1",
"_id": "concat-map@0.0.1",
"_inBundle": false,
"_integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
"_location": "/concat-map",
"_phantomChildren": {},
"_requested": {
"type": "version",
"registry": true,
"raw": "concat-map@0.0.1",
"name": "concat-map",
"escapedName": "concat-map",
"rawSpec": "0.0.1",
"saveSpec": null,
"fetchSpec": "0.0.1"
},
"_requiredBy": [
"/brace-expansion"
],
"_resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
"_shasum": "d8a96bd77fd68df7793a73036a3ba0d5405d477b",
"_spec": "concat-map@0.0.1",
"_where": "/home/wn/workspace-node/PiAlive/node_modules/brace-expansion",
"author": {
"name": "James Halliday",
"email": "mail@substack.net",
"url": "http://substack.net"
},
"bugs": {
"url": "https://github.com/substack/node-concat-map/issues"
},
"bundleDependencies": false,
"deprecated": false,
"description": "concatenative mapdashery",
"devDependencies": {
"tape": "~2.4.0"
},
"directories": {
"example": "example",
"test": "test"
},
"homepage": "https://github.com/substack/node-concat-map#readme",
"keywords": [
"concat",
"concatMap",
"map",
"functional",
"higher-order"
],
"license": "MIT",
"main": "index.js",
"name": "concat-map",
"repository": {
"type": "git",
"url": "git://github.com/substack/node-concat-map.git"
},
"scripts": {
"test": "tape test/*.js"
},
"testling": {
"files": "test/*.js",
"browsers": {
"ie": [
6,
7,
8,
9
],
"ff": [
3.5,
10,
15
],
"chrome": [
10,
22
],
"safari": [
5.1
],
"opera": [
12
]
}
},
"version": "0.0.1"
}

39
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var concatMap = require('../');
var test = require('tape');
test('empty or not', function (t) {
var xs = [ 1, 2, 3, 4, 5, 6 ];
var ixes = [];
var ys = concatMap(xs, function (x, ix) {
ixes.push(ix);
return x % 2 ? [ x - 0.1, x, x + 0.1 ] : [];
});
t.same(ys, [ 0.9, 1, 1.1, 2.9, 3, 3.1, 4.9, 5, 5.1 ]);
t.same(ixes, [ 0, 1, 2, 3, 4, 5 ]);
t.end();
});
test('always something', function (t) {
var xs = [ 'a', 'b', 'c', 'd' ];
var ys = concatMap(xs, function (x) {
return x === 'b' ? [ 'B', 'B', 'B' ] : [ x ];
});
t.same(ys, [ 'a', 'B', 'B', 'B', 'c', 'd' ]);
t.end();
});
test('scalars', function (t) {
var xs = [ 'a', 'b', 'c', 'd' ];
var ys = concatMap(xs, function (x) {
return x === 'b' ? [ 'B', 'B', 'B' ] : x;
});
t.same(ys, [ 'a', 'B', 'B', 'B', 'c', 'd' ]);
t.end();
});
test('undefs', function (t) {
var xs = [ 'a', 'b', 'c', 'd' ];
var ys = concatMap(xs, function () {});
t.same(ys, [ undefined, undefined, undefined, undefined ]);
t.end();
});

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@ -0,0 +1,24 @@
The MIT License
Copyright (c) 2013 Max Ogden
Permission is hereby granted, free of charge,
to any person obtaining a copy of this software and
associated documentation files (the "Software"), to
deal in the Software without restriction, including
without limitation the rights to use, copy, modify,
merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom
the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice
shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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var Writable = require('readable-stream').Writable
var inherits = require('inherits')
var bufferFrom = require('buffer-from')
if (typeof Uint8Array === 'undefined') {
var U8 = require('typedarray').Uint8Array
} else {
var U8 = Uint8Array
}
function ConcatStream(opts, cb) {
if (!(this instanceof ConcatStream)) return new ConcatStream(opts, cb)
if (typeof opts === 'function') {
cb = opts
opts = {}
}
if (!opts) opts = {}
var encoding = opts.encoding
var shouldInferEncoding = false
if (!encoding) {
shouldInferEncoding = true
} else {
encoding = String(encoding).toLowerCase()
if (encoding === 'u8' || encoding === 'uint8') {
encoding = 'uint8array'
}
}
Writable.call(this, { objectMode: true })
this.encoding = encoding
this.shouldInferEncoding = shouldInferEncoding
if (cb) this.on('finish', function () { cb(this.getBody()) })
this.body = []
}
module.exports = ConcatStream
inherits(ConcatStream, Writable)
ConcatStream.prototype._write = function(chunk, enc, next) {
this.body.push(chunk)
next()
}
ConcatStream.prototype.inferEncoding = function (buff) {
var firstBuffer = buff === undefined ? this.body[0] : buff;
if (Buffer.isBuffer(firstBuffer)) return 'buffer'
if (typeof Uint8Array !== 'undefined' && firstBuffer instanceof Uint8Array) return 'uint8array'
if (Array.isArray(firstBuffer)) return 'array'
if (typeof firstBuffer === 'string') return 'string'
if (Object.prototype.toString.call(firstBuffer) === "[object Object]") return 'object'
return 'buffer'
}
ConcatStream.prototype.getBody = function () {
if (!this.encoding && this.body.length === 0) return []
if (this.shouldInferEncoding) this.encoding = this.inferEncoding()
if (this.encoding === 'array') return arrayConcat(this.body)
if (this.encoding === 'string') return stringConcat(this.body)
if (this.encoding === 'buffer') return bufferConcat(this.body)
if (this.encoding === 'uint8array') return u8Concat(this.body)
return this.body
}
var isArray = Array.isArray || function (arr) {
return Object.prototype.toString.call(arr) == '[object Array]'
}
function isArrayish (arr) {
return /Array\]$/.test(Object.prototype.toString.call(arr))
}
function isBufferish (p) {
return typeof p === 'string' || isArrayish(p) || (p && typeof p.subarray === 'function')
}
function stringConcat (parts) {
var strings = []
var needsToString = false
for (var i = 0; i < parts.length; i++) {
var p = parts[i]
if (typeof p === 'string') {
strings.push(p)
} else if (Buffer.isBuffer(p)) {
strings.push(p)
} else if (isBufferish(p)) {
strings.push(bufferFrom(p))
} else {
strings.push(bufferFrom(String(p)))
}
}
if (Buffer.isBuffer(parts[0])) {
strings = Buffer.concat(strings)
strings = strings.toString('utf8')
} else {
strings = strings.join('')
}
return strings
}
function bufferConcat (parts) {
var bufs = []
for (var i = 0; i < parts.length; i++) {
var p = parts[i]
if (Buffer.isBuffer(p)) {
bufs.push(p)
} else if (isBufferish(p)) {
bufs.push(bufferFrom(p))
} else {
bufs.push(bufferFrom(String(p)))
}
}
return Buffer.concat(bufs)
}
function arrayConcat (parts) {
var res = []
for (var i = 0; i < parts.length; i++) {
res.push.apply(res, parts[i])
}
return res
}
function u8Concat (parts) {
var len = 0
for (var i = 0; i < parts.length; i++) {
if (typeof parts[i] === 'string') {
parts[i] = bufferFrom(parts[i])
}
len += parts[i].length
}
var u8 = new U8(len)
for (var i = 0, offset = 0; i < parts.length; i++) {
var part = parts[i]
for (var j = 0; j < part.length; j++) {
u8[offset++] = part[j]
}
}
return u8
}

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{
"_from": "concat-stream@^1.6.2",
"_id": "concat-stream@1.6.2",
"_inBundle": false,
"_integrity": "sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==",
"_location": "/concat-stream",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "concat-stream@^1.6.2",
"name": "concat-stream",
"escapedName": "concat-stream",
"rawSpec": "^1.6.2",
"saveSpec": null,
"fetchSpec": "^1.6.2"
},
"_requiredBy": [
"/mqtt"
],
"_resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.2.tgz",
"_shasum": "904bdf194cd3122fc675c77fc4ac3d4ff0fd1a34",
"_spec": "concat-stream@^1.6.2",
"_where": "/home/wn/workspace-node/PiAlive/node_modules/mqtt",
"author": {
"name": "Max Ogden",
"email": "max@maxogden.com"
},
"bugs": {
"url": "http://github.com/maxogden/concat-stream/issues"
},
"bundleDependencies": false,
"dependencies": {
"buffer-from": "^1.0.0",
"inherits": "^2.0.3",
"readable-stream": "^2.2.2",
"typedarray": "^0.0.6"
},
"deprecated": false,
"description": "writable stream that concatenates strings or binary data and calls a callback with the result",
"devDependencies": {
"tape": "^4.6.3"
},
"engines": [
"node >= 0.8"
],
"files": [
"index.js"
],
"homepage": "https://github.com/maxogden/concat-stream#readme",
"license": "MIT",
"main": "index.js",
"name": "concat-stream",
"repository": {
"type": "git",
"url": "git+ssh://git@github.com/maxogden/concat-stream.git"
},
"scripts": {
"test": "tape test/*.js test/server/*.js"
},
"tags": [
"stream",
"simple",
"util",
"utility"
],
"testling": {
"files": "test/*.js",
"browsers": [
"ie/8..latest",
"firefox/17..latest",
"firefox/nightly",
"chrome/22..latest",
"chrome/canary",
"opera/12..latest",
"opera/next",
"safari/5.1..latest",
"ipad/6.0..latest",
"iphone/6.0..latest",
"android-browser/4.2..latest"
]
},
"version": "1.6.2"
}

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# concat-stream
Writable stream that concatenates all the data from a stream and calls a callback with the result. Use this when you want to collect all the data from a stream into a single buffer.
[![Build Status](https://travis-ci.org/maxogden/concat-stream.svg?branch=master)](https://travis-ci.org/maxogden/concat-stream)
[![NPM](https://nodei.co/npm/concat-stream.png)](https://nodei.co/npm/concat-stream/)
### description
Streams emit many buffers. If you want to collect all of the buffers, and when the stream ends concatenate all of the buffers together and receive a single buffer then this is the module for you.
Only use this if you know you can fit all of the output of your stream into a single Buffer (e.g. in RAM).
There are also `objectMode` streams that emit things other than Buffers, and you can concatenate these too. See below for details.
## Related
`concat-stream` is part of the [mississippi stream utility collection](https://github.com/maxogden/mississippi) which includes more useful stream modules similar to this one.
### examples
#### Buffers
```js
var fs = require('fs')
var concat = require('concat-stream')
var readStream = fs.createReadStream('cat.png')
var concatStream = concat(gotPicture)
readStream.on('error', handleError)
readStream.pipe(concatStream)
function gotPicture(imageBuffer) {
// imageBuffer is all of `cat.png` as a node.js Buffer
}
function handleError(err) {
// handle your error appropriately here, e.g.:
console.error(err) // print the error to STDERR
process.exit(1) // exit program with non-zero exit code
}
```
#### Arrays
```js
var write = concat(function(data) {})
write.write([1,2,3])
write.write([4,5,6])
write.end()
// data will be [1,2,3,4,5,6] in the above callback
```
#### Uint8Arrays
```js
var write = concat(function(data) {})
var a = new Uint8Array(3)
a[0] = 97; a[1] = 98; a[2] = 99
write.write(a)
write.write('!')
write.end(Buffer.from('!!1'))
```
See `test/` for more examples
# methods
```js
var concat = require('concat-stream')
```
## var writable = concat(opts={}, cb)
Return a `writable` stream that will fire `cb(data)` with all of the data that
was written to the stream. Data can be written to `writable` as strings,
Buffers, arrays of byte integers, and Uint8Arrays.
By default `concat-stream` will give you back the same data type as the type of the first buffer written to the stream. Use `opts.encoding` to set what format `data` should be returned as, e.g. if you if you don't want to rely on the built-in type checking or for some other reason.
* `string` - get a string
* `buffer` - get back a Buffer
* `array` - get an array of byte integers
* `uint8array`, `u8`, `uint8` - get back a Uint8Array
* `object`, get back an array of Objects
If you don't specify an encoding, and the types can't be inferred (e.g. you write things that aren't in the list above), it will try to convert concat them into a `Buffer`.
If nothing is written to `writable` then `data` will be an empty array `[]`.
# error handling
`concat-stream` does not handle errors for you, so you must handle errors on whatever streams you pipe into `concat-stream`. This is a general rule when programming with node.js streams: always handle errors on each and every stream. Since `concat-stream` is not itself a stream it does not emit errors.
We recommend using [`end-of-stream`](https://npmjs.org/end-of-stream) or [`pump`](https://npmjs.org/pump) for writing error tolerant stream code.
# license
MIT LICENSE

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Copyright Node.js contributors. All rights reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
deal in the Software without restriction, including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
IN THE SOFTWARE.

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# core-util-is
The `util.is*` functions introduced in Node v0.12.

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diff --git a/lib/util.js b/lib/util.js
index a03e874..9074e8e 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -19,430 +19,6 @@
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
-var formatRegExp = /%[sdj%]/g;
-exports.format = function(f) {
- if (!isString(f)) {
- var objects = [];
- for (var i = 0; i < arguments.length; i++) {
- objects.push(inspect(arguments[i]));
- }
- return objects.join(' ');
- }
-
- var i = 1;
- var args = arguments;
- var len = args.length;
- var str = String(f).replace(formatRegExp, function(x) {
- if (x === '%%') return '%';
- if (i >= len) return x;
- switch (x) {
- case '%s': return String(args[i++]);
- case '%d': return Number(args[i++]);
- case '%j':
- try {
- return JSON.stringify(args[i++]);
- } catch (_) {
- return '[Circular]';
- }
- default:
- return x;
- }
- });
- for (var x = args[i]; i < len; x = args[++i]) {
- if (isNull(x) || !isObject(x)) {
- str += ' ' + x;
- } else {
- str += ' ' + inspect(x);
- }
- }
- return str;
-};
-
-
-// Mark that a method should not be used.
-// Returns a modified function which warns once by default.
-// If --no-deprecation is set, then it is a no-op.
-exports.deprecate = function(fn, msg) {
- // Allow for deprecating things in the process of starting up.
- if (isUndefined(global.process)) {
- return function() {
- return exports.deprecate(fn, msg).apply(this, arguments);
- };
- }
-
- if (process.noDeprecation === true) {
- return fn;
- }
-
- var warned = false;
- function deprecated() {
- if (!warned) {
- if (process.throwDeprecation) {
- throw new Error(msg);
- } else if (process.traceDeprecation) {
- console.trace(msg);
- } else {
- console.error(msg);
- }
- warned = true;
- }
- return fn.apply(this, arguments);
- }
-
- return deprecated;
-};
-
-
-var debugs = {};
-var debugEnviron;
-exports.debuglog = function(set) {
- if (isUndefined(debugEnviron))
- debugEnviron = process.env.NODE_DEBUG || '';
- set = set.toUpperCase();
- if (!debugs[set]) {
- if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
- var pid = process.pid;
- debugs[set] = function() {
- var msg = exports.format.apply(exports, arguments);
- console.error('%s %d: %s', set, pid, msg);
- };
- } else {
- debugs[set] = function() {};
- }
- }
- return debugs[set];
-};
-
-
-/**
- * Echos the value of a value. Trys to print the value out
- * in the best way possible given the different types.
- *
- * @param {Object} obj The object to print out.
- * @param {Object} opts Optional options object that alters the output.
- */
-/* legacy: obj, showHidden, depth, colors*/
-function inspect(obj, opts) {
- // default options
- var ctx = {
- seen: [],
- stylize: stylizeNoColor
- };
- // legacy...
- if (arguments.length >= 3) ctx.depth = arguments[2];
- if (arguments.length >= 4) ctx.colors = arguments[3];
- if (isBoolean(opts)) {
- // legacy...
- ctx.showHidden = opts;
- } else if (opts) {
- // got an "options" object
- exports._extend(ctx, opts);
- }
- // set default options
- if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
- if (isUndefined(ctx.depth)) ctx.depth = 2;
- if (isUndefined(ctx.colors)) ctx.colors = false;
- if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
- if (ctx.colors) ctx.stylize = stylizeWithColor;
- return formatValue(ctx, obj, ctx.depth);
-}
-exports.inspect = inspect;
-
-
-// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
-inspect.colors = {
- 'bold' : [1, 22],
- 'italic' : [3, 23],
- 'underline' : [4, 24],
- 'inverse' : [7, 27],
- 'white' : [37, 39],
- 'grey' : [90, 39],
- 'black' : [30, 39],
- 'blue' : [34, 39],
- 'cyan' : [36, 39],
- 'green' : [32, 39],
- 'magenta' : [35, 39],
- 'red' : [31, 39],
- 'yellow' : [33, 39]
-};
-
-// Don't use 'blue' not visible on cmd.exe
-inspect.styles = {
- 'special': 'cyan',
- 'number': 'yellow',
- 'boolean': 'yellow',
- 'undefined': 'grey',
- 'null': 'bold',
- 'string': 'green',
- 'date': 'magenta',
- // "name": intentionally not styling
- 'regexp': 'red'
-};
-
-
-function stylizeWithColor(str, styleType) {
- var style = inspect.styles[styleType];
-
- if (style) {
- return '\u001b[' + inspect.colors[style][0] + 'm' + str +
- '\u001b[' + inspect.colors[style][1] + 'm';
- } else {
- return str;
- }
-}
-
-
-function stylizeNoColor(str, styleType) {
- return str;
-}
-
-
-function arrayToHash(array) {
- var hash = {};
-
- array.forEach(function(val, idx) {
- hash[val] = true;
- });
-
- return hash;
-}
-
-
-function formatValue(ctx, value, recurseTimes) {
- // Provide a hook for user-specified inspect functions.
- // Check that value is an object with an inspect function on it
- if (ctx.customInspect &&
- value &&
- isFunction(value.inspect) &&
- // Filter out the util module, it's inspect function is special
- value.inspect !== exports.inspect &&
- // Also filter out any prototype objects using the circular check.
- !(value.constructor && value.constructor.prototype === value)) {
- var ret = value.inspect(recurseTimes, ctx);
- if (!isString(ret)) {
- ret = formatValue(ctx, ret, recurseTimes);
- }
- return ret;
- }
-
- // Primitive types cannot have properties
- var primitive = formatPrimitive(ctx, value);
- if (primitive) {
- return primitive;
- }
-
- // Look up the keys of the object.
- var keys = Object.keys(value);
- var visibleKeys = arrayToHash(keys);
-
- if (ctx.showHidden) {
- keys = Object.getOwnPropertyNames(value);
- }
-
- // Some type of object without properties can be shortcutted.
- if (keys.length === 0) {
- if (isFunction(value)) {
- var name = value.name ? ': ' + value.name : '';
- return ctx.stylize('[Function' + name + ']', 'special');
- }
- if (isRegExp(value)) {
- return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
- }
- if (isDate(value)) {
- return ctx.stylize(Date.prototype.toString.call(value), 'date');
- }
- if (isError(value)) {
- return formatError(value);
- }
- }
-
- var base = '', array = false, braces = ['{', '}'];
-
- // Make Array say that they are Array
- if (isArray(value)) {
- array = true;
- braces = ['[', ']'];
- }
-
- // Make functions say that they are functions
- if (isFunction(value)) {
- var n = value.name ? ': ' + value.name : '';
- base = ' [Function' + n + ']';
- }
-
- // Make RegExps say that they are RegExps
- if (isRegExp(value)) {
- base = ' ' + RegExp.prototype.toString.call(value);
- }
-
- // Make dates with properties first say the date
- if (isDate(value)) {
- base = ' ' + Date.prototype.toUTCString.call(value);
- }
-
- // Make error with message first say the error
- if (isError(value)) {
- base = ' ' + formatError(value);
- }
-
- if (keys.length === 0 && (!array || value.length == 0)) {
- return braces[0] + base + braces[1];
- }
-
- if (recurseTimes < 0) {
- if (isRegExp(value)) {
- return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
- } else {
- return ctx.stylize('[Object]', 'special');
- }
- }
-
- ctx.seen.push(value);
-
- var output;
- if (array) {
- output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
- } else {
- output = keys.map(function(key) {
- return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
- });
- }
-
- ctx.seen.pop();
-
- return reduceToSingleString(output, base, braces);
-}
-
-
-function formatPrimitive(ctx, value) {
- if (isUndefined(value))
- return ctx.stylize('undefined', 'undefined');
- if (isString(value)) {
- var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
- .replace(/'/g, "\\'")
- .replace(/\\"/g, '"') + '\'';
- return ctx.stylize(simple, 'string');
- }
- if (isNumber(value)) {
- // Format -0 as '-0'. Strict equality won't distinguish 0 from -0,
- // so instead we use the fact that 1 / -0 < 0 whereas 1 / 0 > 0 .
- if (value === 0 && 1 / value < 0)
- return ctx.stylize('-0', 'number');
- return ctx.stylize('' + value, 'number');
- }
- if (isBoolean(value))
- return ctx.stylize('' + value, 'boolean');
- // For some reason typeof null is "object", so special case here.
- if (isNull(value))
- return ctx.stylize('null', 'null');
-}
-
-
-function formatError(value) {
- return '[' + Error.prototype.toString.call(value) + ']';
-}
-
-
-function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
- var output = [];
- for (var i = 0, l = value.length; i < l; ++i) {
- if (hasOwnProperty(value, String(i))) {
- output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
- String(i), true));
- } else {
- output.push('');
- }
- }
- keys.forEach(function(key) {
- if (!key.match(/^\d+$/)) {
- output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
- key, true));
- }
- });
- return output;
-}
-
-
-function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
- var name, str, desc;
- desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
- if (desc.get) {
- if (desc.set) {
- str = ctx.stylize('[Getter/Setter]', 'special');
- } else {
- str = ctx.stylize('[Getter]', 'special');
- }
- } else {
- if (desc.set) {
- str = ctx.stylize('[Setter]', 'special');
- }
- }
- if (!hasOwnProperty(visibleKeys, key)) {
- name = '[' + key + ']';
- }
- if (!str) {
- if (ctx.seen.indexOf(desc.value) < 0) {
- if (isNull(recurseTimes)) {
- str = formatValue(ctx, desc.value, null);
- } else {
- str = formatValue(ctx, desc.value, recurseTimes - 1);
- }
- if (str.indexOf('\n') > -1) {
- if (array) {
- str = str.split('\n').map(function(line) {
- return ' ' + line;
- }).join('\n').substr(2);
- } else {
- str = '\n' + str.split('\n').map(function(line) {
- return ' ' + line;
- }).join('\n');
- }
- }
- } else {
- str = ctx.stylize('[Circular]', 'special');
- }
- }
- if (isUndefined(name)) {
- if (array && key.match(/^\d+$/)) {
- return str;
- }
- name = JSON.stringify('' + key);
- if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
- name = name.substr(1, name.length - 2);
- name = ctx.stylize(name, 'name');
- } else {
- name = name.replace(/'/g, "\\'")
- .replace(/\\"/g, '"')
- .replace(/(^"|"$)/g, "'");
- name = ctx.stylize(name, 'string');
- }
- }
-
- return name + ': ' + str;
-}
-
-
-function reduceToSingleString(output, base, braces) {
- var numLinesEst = 0;
- var length = output.reduce(function(prev, cur) {
- numLinesEst++;
- if (cur.indexOf('\n') >= 0) numLinesEst++;
- return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
- }, 0);
-
- if (length > 60) {
- return braces[0] +
- (base === '' ? '' : base + '\n ') +
- ' ' +
- output.join(',\n ') +
- ' ' +
- braces[1];
- }
-
- return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
-}
-
-
// NOTE: These type checking functions intentionally don't use `instanceof`
// because it is fragile and can be easily faked with `Object.create()`.
function isArray(ar) {
@@ -522,166 +98,10 @@ function isPrimitive(arg) {
exports.isPrimitive = isPrimitive;
function isBuffer(arg) {
- return arg instanceof Buffer;
+ return Buffer.isBuffer(arg);
}
exports.isBuffer = isBuffer;
function objectToString(o) {
return Object.prototype.toString.call(o);
-}
-
-
-function pad(n) {
- return n < 10 ? '0' + n.toString(10) : n.toString(10);
-}
-
-
-var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
- 'Oct', 'Nov', 'Dec'];
-
-// 26 Feb 16:19:34
-function timestamp() {
- var d = new Date();
- var time = [pad(d.getHours()),
- pad(d.getMinutes()),
- pad(d.getSeconds())].join(':');
- return [d.getDate(), months[d.getMonth()], time].join(' ');
-}
-
-
-// log is just a thin wrapper to console.log that prepends a timestamp
-exports.log = function() {
- console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
-};
-
-
-/**
- * Inherit the prototype methods from one constructor into another.
- *
- * The Function.prototype.inherits from lang.js rewritten as a standalone
- * function (not on Function.prototype). NOTE: If this file is to be loaded
- * during bootstrapping this function needs to be rewritten using some native
- * functions as prototype setup using normal JavaScript does not work as
- * expected during bootstrapping (see mirror.js in r114903).
- *
- * @param {function} ctor Constructor function which needs to inherit the
- * prototype.
- * @param {function} superCtor Constructor function to inherit prototype from.
- */
-exports.inherits = function(ctor, superCtor) {
- ctor.super_ = superCtor;
- ctor.prototype = Object.create(superCtor.prototype, {
- constructor: {
- value: ctor,
- enumerable: false,
- writable: true,
- configurable: true
- }
- });
-};
-
-exports._extend = function(origin, add) {
- // Don't do anything if add isn't an object
- if (!add || !isObject(add)) return origin;
-
- var keys = Object.keys(add);
- var i = keys.length;
- while (i--) {
- origin[keys[i]] = add[keys[i]];
- }
- return origin;
-};
-
-function hasOwnProperty(obj, prop) {
- return Object.prototype.hasOwnProperty.call(obj, prop);
-}
-
-
-// Deprecated old stuff.
-
-exports.p = exports.deprecate(function() {
- for (var i = 0, len = arguments.length; i < len; ++i) {
- console.error(exports.inspect(arguments[i]));
- }
-}, 'util.p: Use console.error() instead');
-
-
-exports.exec = exports.deprecate(function() {
- return require('child_process').exec.apply(this, arguments);
-}, 'util.exec is now called `child_process.exec`.');
-
-
-exports.print = exports.deprecate(function() {
- for (var i = 0, len = arguments.length; i < len; ++i) {
- process.stdout.write(String(arguments[i]));
- }
-}, 'util.print: Use console.log instead');
-
-
-exports.puts = exports.deprecate(function() {
- for (var i = 0, len = arguments.length; i < len; ++i) {
- process.stdout.write(arguments[i] + '\n');
- }
-}, 'util.puts: Use console.log instead');
-
-
-exports.debug = exports.deprecate(function(x) {
- process.stderr.write('DEBUG: ' + x + '\n');
-}, 'util.debug: Use console.error instead');
-
-
-exports.error = exports.deprecate(function(x) {
- for (var i = 0, len = arguments.length; i < len; ++i) {
- process.stderr.write(arguments[i] + '\n');
- }
-}, 'util.error: Use console.error instead');
-
-
-exports.pump = exports.deprecate(function(readStream, writeStream, callback) {
- var callbackCalled = false;
-
- function call(a, b, c) {
- if (callback && !callbackCalled) {
- callback(a, b, c);
- callbackCalled = true;
- }
- }
-
- readStream.addListener('data', function(chunk) {
- if (writeStream.write(chunk) === false) readStream.pause();
- });
-
- writeStream.addListener('drain', function() {
- readStream.resume();
- });
-
- readStream.addListener('end', function() {
- writeStream.end();
- });
-
- readStream.addListener('close', function() {
- call();
- });
-
- readStream.addListener('error', function(err) {
- writeStream.end();
- call(err);
- });
-
- writeStream.addListener('error', function(err) {
- readStream.destroy();
- call(err);
- });
-}, 'util.pump(): Use readableStream.pipe() instead');
-
-
-var uv;
-exports._errnoException = function(err, syscall) {
- if (isUndefined(uv)) uv = process.binding('uv');
- var errname = uv.errname(err);
- var e = new Error(syscall + ' ' + errname);
- e.code = errname;
- e.errno = errname;
- e.syscall = syscall;
- return e;
-};
+}

107
node_modules/core-util-is/lib/util.js generated vendored Normal file
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@ -0,0 +1,107 @@
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
// NOTE: These type checking functions intentionally don't use `instanceof`
// because it is fragile and can be easily faked with `Object.create()`.
function isArray(arg) {
if (Array.isArray) {
return Array.isArray(arg);
}
return objectToString(arg) === '[object Array]';
}
exports.isArray = isArray;
function isBoolean(arg) {
return typeof arg === 'boolean';
}
exports.isBoolean = isBoolean;
function isNull(arg) {
return arg === null;
}
exports.isNull = isNull;
function isNullOrUndefined(arg) {
return arg == null;
}
exports.isNullOrUndefined = isNullOrUndefined;
function isNumber(arg) {
return typeof arg === 'number';
}
exports.isNumber = isNumber;
function isString(arg) {
return typeof arg === 'string';
}
exports.isString = isString;
function isSymbol(arg) {
return typeof arg === 'symbol';
}
exports.isSymbol = isSymbol;
function isUndefined(arg) {
return arg === void 0;
}
exports.isUndefined = isUndefined;
function isRegExp(re) {
return objectToString(re) === '[object RegExp]';
}
exports.isRegExp = isRegExp;
function isObject(arg) {
return typeof arg === 'object' && arg !== null;
}
exports.isObject = isObject;
function isDate(d) {
return objectToString(d) === '[object Date]';
}
exports.isDate = isDate;
function isError(e) {
return (objectToString(e) === '[object Error]' || e instanceof Error);
}
exports.isError = isError;
function isFunction(arg) {
return typeof arg === 'function';
}
exports.isFunction = isFunction;
function isPrimitive(arg) {
return arg === null ||
typeof arg === 'boolean' ||
typeof arg === 'number' ||
typeof arg === 'string' ||
typeof arg === 'symbol' || // ES6 symbol
typeof arg === 'undefined';
}
exports.isPrimitive = isPrimitive;
exports.isBuffer = Buffer.isBuffer;
function objectToString(o) {
return Object.prototype.toString.call(o);
}

62
node_modules/core-util-is/package.json generated vendored Normal file
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@ -0,0 +1,62 @@
{
"_from": "core-util-is@~1.0.0",
"_id": "core-util-is@1.0.2",
"_inBundle": false,
"_integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
"_location": "/core-util-is",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "core-util-is@~1.0.0",
"name": "core-util-is",
"escapedName": "core-util-is",
"rawSpec": "~1.0.0",
"saveSpec": null,
"fetchSpec": "~1.0.0"
},
"_requiredBy": [
"/readable-stream"
],
"_resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
"_shasum": "b5fd54220aa2bc5ab57aab7140c940754503c1a7",
"_spec": "core-util-is@~1.0.0",
"_where": "/home/wn/workspace-node/PiAlive/node_modules/readable-stream",
"author": {
"name": "Isaac Z. Schlueter",
"email": "i@izs.me",
"url": "http://blog.izs.me/"
},
"bugs": {
"url": "https://github.com/isaacs/core-util-is/issues"
},
"bundleDependencies": false,
"deprecated": false,
"description": "The `util.is*` functions introduced in Node v0.12.",
"devDependencies": {
"tap": "^2.3.0"
},
"homepage": "https://github.com/isaacs/core-util-is#readme",
"keywords": [
"util",
"isBuffer",
"isArray",
"isNumber",
"isString",
"isRegExp",
"isThis",
"isThat",
"polyfill"
],
"license": "MIT",
"main": "lib/util.js",
"name": "core-util-is",
"repository": {
"type": "git",
"url": "git://github.com/isaacs/core-util-is.git"
},
"scripts": {
"test": "tap test.js"
},
"version": "1.0.2"
}

68
node_modules/core-util-is/test.js generated vendored Normal file
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@ -0,0 +1,68 @@
var assert = require('tap');
var t = require('./lib/util');
assert.equal(t.isArray([]), true);
assert.equal(t.isArray({}), false);
assert.equal(t.isBoolean(null), false);
assert.equal(t.isBoolean(true), true);
assert.equal(t.isBoolean(false), true);
assert.equal(t.isNull(null), true);
assert.equal(t.isNull(undefined), false);
assert.equal(t.isNull(false), false);
assert.equal(t.isNull(), false);
assert.equal(t.isNullOrUndefined(null), true);
assert.equal(t.isNullOrUndefined(undefined), true);
assert.equal(t.isNullOrUndefined(false), false);
assert.equal(t.isNullOrUndefined(), true);
assert.equal(t.isNumber(null), false);
assert.equal(t.isNumber('1'), false);
assert.equal(t.isNumber(1), true);
assert.equal(t.isString(null), false);
assert.equal(t.isString('1'), true);
assert.equal(t.isString(1), false);
assert.equal(t.isSymbol(null), false);
assert.equal(t.isSymbol('1'), false);
assert.equal(t.isSymbol(1), false);
assert.equal(t.isSymbol(Symbol()), true);
assert.equal(t.isUndefined(null), false);
assert.equal(t.isUndefined(undefined), true);
assert.equal(t.isUndefined(false), false);
assert.equal(t.isUndefined(), true);
assert.equal(t.isRegExp(null), false);
assert.equal(t.isRegExp('1'), false);
assert.equal(t.isRegExp(new RegExp()), true);
assert.equal(t.isObject({}), true);
assert.equal(t.isObject([]), true);
assert.equal(t.isObject(new RegExp()), true);
assert.equal(t.isObject(new Date()), true);
assert.equal(t.isDate(null), false);
assert.equal(t.isDate('1'), false);
assert.equal(t.isDate(new Date()), true);
assert.equal(t.isError(null), false);
assert.equal(t.isError({ err: true }), false);
assert.equal(t.isError(new Error()), true);
assert.equal(t.isFunction(null), false);
assert.equal(t.isFunction({ }), false);
assert.equal(t.isFunction(function() {}), true);
assert.equal(t.isPrimitive(null), true);
assert.equal(t.isPrimitive(''), true);
assert.equal(t.isPrimitive(0), true);
assert.equal(t.isPrimitive(new Date()), false);
assert.equal(t.isBuffer(null), false);
assert.equal(t.isBuffer({}), false);
assert.equal(t.isBuffer(new Buffer(0)), true);

6
node_modules/duplexify/.travis.yml generated vendored Normal file
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@ -0,0 +1,6 @@
language: node_js
node_js:
- "0.10"
- "0.12"
- "4"
- "6"

21
node_modules/duplexify/LICENSE generated vendored Normal file
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@ -0,0 +1,21 @@
The MIT License (MIT)
Copyright (c) 2014 Mathias Buus
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

97
node_modules/duplexify/README.md generated vendored Normal file
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@ -0,0 +1,97 @@
# duplexify
Turn a writeable and readable stream into a single streams2 duplex stream.
Similar to [duplexer2](https://github.com/deoxxa/duplexer2) except it supports both streams2 and streams1 as input
and it allows you to set the readable and writable part asynchronously using `setReadable(stream)` and `setWritable(stream)`
```
npm install duplexify
```
[![build status](http://img.shields.io/travis/mafintosh/duplexify.svg?style=flat)](http://travis-ci.org/mafintosh/duplexify)
## Usage
Use `duplexify(writable, readable, streamOptions)` (or `duplexify.obj(writable, readable)` to create an object stream)
``` js
var duplexify = require('duplexify')
// turn writableStream and readableStream into a single duplex stream
var dup = duplexify(writableStream, readableStream)
dup.write('hello world') // will write to writableStream
dup.on('data', function(data) {
// will read from readableStream
})
```
You can also set the readable and writable parts asynchronously
``` js
var dup = duplexify()
dup.write('hello world') // write will buffer until the writable
// part has been set
// wait a bit ...
dup.setReadable(readableStream)
// maybe wait some more?
dup.setWritable(writableStream)
```
If you call `setReadable` or `setWritable` multiple times it will unregister the previous readable/writable stream.
To disable the readable or writable part call `setReadable` or `setWritable` with `null`.
If the readable or writable streams emits an error or close it will destroy both streams and bubble up the event.
You can also explicitly destroy the streams by calling `dup.destroy()`. The `destroy` method optionally takes an
error object as argument, in which case the error is emitted as part of the `error` event.
``` js
dup.on('error', function(err) {
console.log('readable or writable emitted an error - close will follow')
})
dup.on('close', function() {
console.log('the duplex stream is destroyed')
})
dup.destroy() // calls destroy on the readable and writable part (if present)
```
## HTTP request example
Turn a node core http request into a duplex stream is as easy as
``` js
var duplexify = require('duplexify')
var http = require('http')
var request = function(opts) {
var req = http.request(opts)
var dup = duplexify(req)
req.on('response', function(res) {
dup.setReadable(res)
})
return dup
}
var req = request({
method: 'GET',
host: 'www.google.com',
port: 80
})
req.end()
req.pipe(process.stdout)
```
## License
MIT
## Related
`duplexify` is part of the [mississippi stream utility collection](https://github.com/maxogden/mississippi) which includes more useful stream modules similar to this one.

21
node_modules/duplexify/example.js generated vendored Normal file
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@ -0,0 +1,21 @@
var duplexify = require('duplexify')
var http = require('http')
var request = function(opts) {
var req = http.request(opts)
var dup = duplexify()
dup.setWritable(req)
req.on('response', function(res) {
dup.setReadable(res)
})
return dup
}
var req = request({
method: 'GET',
host: 'www.google.com',
port: 80
})
req.end()
req.pipe(process.stdout)

235
node_modules/duplexify/index.js generated vendored Normal file
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@ -0,0 +1,235 @@
var stream = require('readable-stream')
var eos = require('end-of-stream')
var inherits = require('inherits')
var shift = require('stream-shift')
var SIGNAL_FLUSH = (Buffer.from && Buffer.from !== Uint8Array.from)
? Buffer.from([0])
: new Buffer([0])
var onuncork = function(self, fn) {
if (self._corked) self.once('uncork', fn)
else fn()
}
var autoDestroy = function (self, err) {
if (self._autoDestroy) self.destroy(err)
}
var destroyer = function(self, end) {
return function(err) {
if (err) autoDestroy(self, err.message === 'premature close' ? null : err)
else if (end && !self._ended) self.end()
}
}
var end = function(ws, fn) {
if (!ws) return fn()
if (ws._writableState && ws._writableState.finished) return fn()
if (ws._writableState) return ws.end(fn)
ws.end()
fn()
}
var toStreams2 = function(rs) {
return new (stream.Readable)({objectMode:true, highWaterMark:16}).wrap(rs)
}
var Duplexify = function(writable, readable, opts) {
if (!(this instanceof Duplexify)) return new Duplexify(writable, readable, opts)
stream.Duplex.call(this, opts)
this._writable = null
this._readable = null
this._readable2 = null
this._autoDestroy = !opts || opts.autoDestroy !== false
this._forwardDestroy = !opts || opts.destroy !== false
this._forwardEnd = !opts || opts.end !== false
this._corked = 1 // start corked
this._ondrain = null
this._drained = false
this._forwarding = false
this._unwrite = null
this._unread = null
this._ended = false
this.destroyed = false
if (writable) this.setWritable(writable)
if (readable) this.setReadable(readable)
}
inherits(Duplexify, stream.Duplex)
Duplexify.obj = function(writable, readable, opts) {
if (!opts) opts = {}
opts.objectMode = true
opts.highWaterMark = 16
return new Duplexify(writable, readable, opts)
}
Duplexify.prototype.cork = function() {
if (++this._corked === 1) this.emit('cork')
}
Duplexify.prototype.uncork = function() {
if (this._corked && --this._corked === 0) this.emit('uncork')
}
Duplexify.prototype.setWritable = function(writable) {
if (this._unwrite) this._unwrite()
if (this.destroyed) {
if (writable && writable.destroy) writable.destroy()
return
}
if (writable === null || writable === false) {
this.end()
return
}
var self = this
var unend = eos(writable, {writable:true, readable:false}, destroyer(this, this._forwardEnd))
var ondrain = function() {
var ondrain = self._ondrain
self._ondrain = null
if (ondrain) ondrain()
}
var clear = function() {
self._writable.removeListener('drain', ondrain)
unend()
}
if (this._unwrite) process.nextTick(ondrain) // force a drain on stream reset to avoid livelocks
this._writable = writable
this._writable.on('drain', ondrain)
this._unwrite = clear
this.uncork() // always uncork setWritable
}
Duplexify.prototype.setReadable = function(readable) {
if (this._unread) this._unread()
if (this.destroyed) {
if (readable && readable.destroy) readable.destroy()
return
}
if (readable === null || readable === false) {
this.push(null)
this.resume()
return
}
var self = this
var unend = eos(readable, {writable:false, readable:true}, destroyer(this))
var onreadable = function() {
self._forward()
}
var onend = function() {
self.push(null)
}
var clear = function() {
self._readable2.removeListener('readable', onreadable)
self._readable2.removeListener('end', onend)
unend()
}
this._drained = true
this._readable = readable
this._readable2 = readable._readableState ? readable : toStreams2(readable)
this._readable2.on('readable', onreadable)
this._readable2.on('end', onend)
this._unread = clear
this._forward()
}
Duplexify.prototype._read = function() {
this._drained = true
this._forward()
}
Duplexify.prototype._forward = function() {
if (this._forwarding || !this._readable2 || !this._drained) return
this._forwarding = true
var data
while (this._drained && (data = shift(this._readable2)) !== null) {
if (this.destroyed) continue
this._drained = this.push(data)
}
this._forwarding = false
}
Duplexify.prototype.destroy = function(err) {
if (this.destroyed) return
this.destroyed = true
var self = this
process.nextTick(function() {
self._destroy(err)
})
}
Duplexify.prototype._destroy = function(err) {
if (err) {
var ondrain = this._ondrain
this._ondrain = null
if (ondrain) ondrain(err)
else this.emit('error', err)
}
if (this._forwardDestroy) {
if (this._readable && this._readable.destroy) this._readable.destroy()
if (this._writable && this._writable.destroy) this._writable.destroy()
}
this.emit('close')
}
Duplexify.prototype._write = function(data, enc, cb) {
if (this.destroyed) return cb()
if (this._corked) return onuncork(this, this._write.bind(this, data, enc, cb))
if (data === SIGNAL_FLUSH) return this._finish(cb)
if (!this._writable) return cb()
if (this._writable.write(data) === false) this._ondrain = cb
else cb()
}
Duplexify.prototype._finish = function(cb) {
var self = this
this.emit('preend')
onuncork(this, function() {
end(self._forwardEnd && self._writable, function() {
// haxx to not emit prefinish twice
if (self._writableState.prefinished === false) self._writableState.prefinished = true
self.emit('prefinish')
onuncork(self, cb)
})
})
}
Duplexify.prototype.end = function(data, enc, cb) {
if (typeof data === 'function') return this.end(null, null, data)
if (typeof enc === 'function') return this.end(data, null, enc)
this._ended = true
if (data) this.write(data)
if (!this._writableState.ending) this.write(SIGNAL_FLUSH)
return stream.Writable.prototype.end.call(this, cb)
}
module.exports = Duplexify

67
node_modules/duplexify/package.json generated vendored Normal file
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@ -0,0 +1,67 @@
{
"_from": "duplexify@^3.6.0",
"_id": "duplexify@3.6.0",
"_inBundle": false,
"_integrity": "sha512-fO3Di4tBKJpYTFHAxTU00BcfWMY9w24r/x21a6rZRbsD/ToUgGxsMbiGRmB7uVAXeGKXD9MwiLZa5E97EVgIRQ==",
"_location": "/duplexify",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "duplexify@^3.6.0",
"name": "duplexify",
"escapedName": "duplexify",
"rawSpec": "^3.6.0",
"saveSpec": null,
"fetchSpec": "^3.6.0"
},
"_requiredBy": [
"/pumpify",
"/websocket-stream"
],
"_resolved": "https://registry.npmjs.org/duplexify/-/duplexify-3.6.0.tgz",
"_shasum": "592903f5d80b38d037220541264d69a198fb3410",
"_spec": "duplexify@^3.6.0",
"_where": "/home/wn/workspace-node/PiAlive/node_modules/pumpify",
"author": {
"name": "Mathias Buus"
},
"bugs": {
"url": "https://github.com/mafintosh/duplexify/issues"
},
"bundleDependencies": false,
"dependencies": {
"end-of-stream": "^1.0.0",
"inherits": "^2.0.1",
"readable-stream": "^2.0.0",
"stream-shift": "^1.0.0"
},
"deprecated": false,
"description": "Turn a writable and readable stream into a streams2 duplex stream with support for async initialization and streams1/streams2 input",
"devDependencies": {
"concat-stream": "^1.5.2",
"tape": "^4.0.0",
"through2": "^2.0.0"
},
"homepage": "https://github.com/mafintosh/duplexify",
"keywords": [
"duplex",
"streams2",
"streams",
"stream",
"writable",
"readable",
"async"
],
"license": "MIT",
"main": "index.js",
"name": "duplexify",
"repository": {
"type": "git",
"url": "git://github.com/mafintosh/duplexify.git"
},
"scripts": {
"test": "tape test.js"
},
"version": "3.6.0"
}

291
node_modules/duplexify/test.js generated vendored Normal file
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var tape = require('tape')
var through = require('through2')
var concat = require('concat-stream')
var net = require('net')
var duplexify = require('./')
tape('passthrough', function(t) {
t.plan(2)
var pt = through()
var dup = duplexify(pt, pt)
dup.end('hello world')
dup.on('finish', function() {
t.ok(true, 'should finish')
})
dup.pipe(concat(function(data) {
t.same(data.toString(), 'hello world', 'same in as out')
}))
})
tape('passthrough + double end', function(t) {
t.plan(2)
var pt = through()
var dup = duplexify(pt, pt)
dup.end('hello world')
dup.end()
dup.on('finish', function() {
t.ok(true, 'should finish')
})
dup.pipe(concat(function(data) {
t.same(data.toString(), 'hello world', 'same in as out')
}))
})
tape('async passthrough + end', function(t) {
t.plan(2)
var pt = through.obj({highWaterMark:1}, function(data, enc, cb) {
setTimeout(function() {
cb(null, data)
}, 100)
})
var dup = duplexify(pt, pt)
dup.write('hello ')
dup.write('world')
dup.end()
dup.on('finish', function() {
t.ok(true, 'should finish')
})
dup.pipe(concat(function(data) {
t.same(data.toString(), 'hello world', 'same in as out')
}))
})
tape('duplex', function(t) {
var readExpected = ['read-a', 'read-b', 'read-c']
var writeExpected = ['write-a', 'write-b', 'write-c']
t.plan(readExpected.length+writeExpected.length+2)
var readable = through.obj()
var writable = through.obj(function(data, enc, cb) {
t.same(data, writeExpected.shift(), 'onwrite should match')
cb()
})
var dup = duplexify.obj(writable, readable)
readExpected.slice().forEach(function(data) {
readable.write(data)
})
readable.end()
writeExpected.slice().forEach(function(data) {
dup.write(data)
})
dup.end()
dup.on('data', function(data) {
t.same(data, readExpected.shift(), 'ondata should match')
})
dup.on('end', function() {
t.ok(true, 'should end')
})
dup.on('finish', function() {
t.ok(true, 'should finish')
})
})
tape('async', function(t) {
var dup = duplexify()
var pt = through()
dup.pipe(concat(function(data) {
t.same(data.toString(), 'i was async', 'same in as out')
t.end()
}))
dup.write('i')
dup.write(' was ')
dup.end('async')
setTimeout(function() {
dup.setWritable(pt)
setTimeout(function() {
dup.setReadable(pt)
}, 50)
}, 50)
})
tape('destroy', function(t) {
t.plan(2)
var write = through()
var read = through()
var dup = duplexify(write, read)
write.destroy = function() {
t.ok(true, 'write destroyed')
}
dup.on('close', function() {
t.ok(true, 'close emitted')
})
dup.destroy()
dup.destroy() // should only work once
})
tape('destroy both', function(t) {
t.plan(3)
var write = through()
var read = through()
var dup = duplexify(write, read)
write.destroy = function() {
t.ok(true, 'write destroyed')
}
read.destroy = function() {
t.ok(true, 'read destroyed')
}
dup.on('close', function() {
t.ok(true, 'close emitted')
})
dup.destroy()
dup.destroy() // should only work once
})
tape('bubble read errors', function(t) {
t.plan(2)
var write = through()
var read = through()
var dup = duplexify(write, read)
dup.on('error', function(err) {
t.same(err.message, 'read-error', 'received read error')
})
dup.on('close', function() {
t.ok(true, 'close emitted')
})
read.emit('error', new Error('read-error'))
write.emit('error', new Error('write-error')) // only emit first error
})
tape('bubble write errors', function(t) {
t.plan(2)
var write = through()
var read = through()
var dup = duplexify(write, read)
dup.on('error', function(err) {
t.same(err.message, 'write-error', 'received write error')
})
dup.on('close', function() {
t.ok(true, 'close emitted')
})
write.emit('error', new Error('write-error'))
read.emit('error', new Error('read-error')) // only emit first error
})
tape('reset writable / readable', function(t) {
t.plan(3)
var toUpperCase = function(data, enc, cb) {
cb(null, data.toString().toUpperCase())
}
var passthrough = through()
var upper = through(toUpperCase)
var dup = duplexify(passthrough, passthrough)
dup.once('data', function(data) {
t.same(data.toString(), 'hello')
dup.setWritable(upper)
dup.setReadable(upper)
dup.once('data', function(data) {
t.same(data.toString(), 'HELLO')
dup.once('data', function(data) {
t.same(data.toString(), 'HI')
t.end()
})
})
dup.write('hello')
dup.write('hi')
})
dup.write('hello')
})
tape('cork', function(t) {
var passthrough = through()
var dup = duplexify(passthrough, passthrough)
var ok = false
dup.on('prefinish', function() {
dup.cork()
setTimeout(function() {
ok = true
dup.uncork()
}, 100)
})
dup.on('finish', function() {
t.ok(ok)
t.end()
})
dup.end()
})
tape('prefinish not twice', function(t) {
var passthrough = through()
var dup = duplexify(passthrough, passthrough)
var prefinished = false
dup.on('prefinish', function() {
t.ok(!prefinished, 'only prefinish once')
prefinished = true
})
dup.on('finish', function() {
t.end()
})
dup.end()
})
tape('close', function(t) {
var passthrough = through()
var dup = duplexify(passthrough, passthrough)
passthrough.emit('close')
dup.on('close', function() {
t.ok(true, 'should forward close')
t.end()
})
})
tape('works with node native streams (net)', function(t) {
t.plan(1)
var server = net.createServer(function(socket) {
var dup = duplexify(socket, socket)
dup.once('data', function(chunk) {
t.same(chunk, Buffer('hello world'))
server.close()
socket.end()
t.end()
})
})
server.listen(0, function () {
var socket = net.connect(server.address().port)
var dup = duplexify(socket, socket)
dup.write(Buffer('hello world'))
})
})

21
node_modules/end-of-stream/LICENSE generated vendored Normal file
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The MIT License (MIT)
Copyright (c) 2014 Mathias Buus
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

52
node_modules/end-of-stream/README.md generated vendored Normal file
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# end-of-stream
A node module that calls a callback when a readable/writable/duplex stream has completed or failed.
npm install end-of-stream
## Usage
Simply pass a stream and a callback to the `eos`.
Both legacy streams, streams2 and stream3 are supported.
``` js
var eos = require('end-of-stream');
eos(readableStream, function(err) {
// this will be set to the stream instance
if (err) return console.log('stream had an error or closed early');
console.log('stream has ended', this === readableStream);
});
eos(writableStream, function(err) {
if (err) return console.log('stream had an error or closed early');
console.log('stream has finished', this === writableStream);
});
eos(duplexStream, function(err) {
if (err) return console.log('stream had an error or closed early');
console.log('stream has ended and finished', this === duplexStream);
});
eos(duplexStream, {readable:false}, function(err) {
if (err) return console.log('stream had an error or closed early');
console.log('stream has finished but might still be readable');
});
eos(duplexStream, {writable:false}, function(err) {
if (err) return console.log('stream had an error or closed early');
console.log('stream has ended but might still be writable');
});
eos(readableStream, {error:false}, function(err) {
// do not treat emit('error', err) as a end-of-stream
});
```
## License
MIT
## Related
`end-of-stream` is part of the [mississippi stream utility collection](https://github.com/maxogden/mississippi) which includes more useful stream modules similar to this one.

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node_modules/end-of-stream/index.js generated vendored Normal file
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var once = require('once');
var noop = function() {};
var isRequest = function(stream) {
return stream.setHeader && typeof stream.abort === 'function';
};
var isChildProcess = function(stream) {
return stream.stdio && Array.isArray(stream.stdio) && stream.stdio.length === 3
};
var eos = function(stream, opts, callback) {
if (typeof opts === 'function') return eos(stream, null, opts);
if (!opts) opts = {};
callback = once(callback || noop);
var ws = stream._writableState;
var rs = stream._readableState;
var readable = opts.readable || (opts.readable !== false && stream.readable);
var writable = opts.writable || (opts.writable !== false && stream.writable);
var onlegacyfinish = function() {
if (!stream.writable) onfinish();
};
var onfinish = function() {
writable = false;
if (!readable) callback.call(stream);
};
var onend = function() {
readable = false;
if (!writable) callback.call(stream);
};
var onexit = function(exitCode) {
callback.call(stream, exitCode ? new Error('exited with error code: ' + exitCode) : null);
};
var onerror = function(err) {
callback.call(stream, err);
};
var onclose = function() {
if (readable && !(rs && rs.ended)) return callback.call(stream, new Error('premature close'));
if (writable && !(ws && ws.ended)) return callback.call(stream, new Error('premature close'));
};
var onrequest = function() {
stream.req.on('finish', onfinish);
};
if (isRequest(stream)) {
stream.on('complete', onfinish);
stream.on('abort', onclose);
if (stream.req) onrequest();
else stream.on('request', onrequest);
} else if (writable && !ws) { // legacy streams
stream.on('end', onlegacyfinish);
stream.on('close', onlegacyfinish);
}
if (isChildProcess(stream)) stream.on('exit', onexit);
stream.on('end', onend);
stream.on('finish', onfinish);
if (opts.error !== false) stream.on('error', onerror);
stream.on('close', onclose);
return function() {
stream.removeListener('complete', onfinish);
stream.removeListener('abort', onclose);
stream.removeListener('request', onrequest);
if (stream.req) stream.req.removeListener('finish', onfinish);
stream.removeListener('end', onlegacyfinish);
stream.removeListener('close', onlegacyfinish);
stream.removeListener('finish', onfinish);
stream.removeListener('exit', onexit);
stream.removeListener('end', onend);
stream.removeListener('error', onerror);
stream.removeListener('close', onclose);
};
};
module.exports = eos;

65
node_modules/end-of-stream/package.json generated vendored Normal file
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{
"_from": "end-of-stream@^1.4.1",
"_id": "end-of-stream@1.4.1",
"_inBundle": false,
"_integrity": "sha512-1MkrZNvWTKCaigbn+W15elq2BB/L22nqrSY5DKlo3X6+vclJm8Bb5djXJBmEX6fS3+zCh/F4VBK5Z2KxJt4s2Q==",
"_location": "/end-of-stream",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "end-of-stream@^1.4.1",
"name": "end-of-stream",
"escapedName": "end-of-stream",
"rawSpec": "^1.4.1",
"saveSpec": null,
"fetchSpec": "^1.4.1"
},
"_requiredBy": [
"/duplexify",
"/mqtt",
"/pump",
"/pumpify/pump"
],
"_resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.1.tgz",
"_shasum": "ed29634d19baba463b6ce6b80a37213eab71ec43",
"_spec": "end-of-stream@^1.4.1",
"_where": "/home/wn/workspace-node/PiAlive/node_modules/mqtt",
"author": {
"name": "Mathias Buus",
"email": "mathiasbuus@gmail.com"
},
"bugs": {
"url": "https://github.com/mafintosh/end-of-stream/issues"
},
"bundleDependencies": false,
"dependencies": {
"once": "^1.4.0"
},
"deprecated": false,
"description": "Call a callback when a readable/writable/duplex stream has completed or failed.",
"files": [
"index.js"
],
"homepage": "https://github.com/mafintosh/end-of-stream",
"keywords": [
"stream",
"streams",
"callback",
"finish",
"close",
"end",
"wait"
],
"license": "MIT",
"main": "index.js",
"name": "end-of-stream",
"repository": {
"type": "git",
"url": "git://github.com/mafintosh/end-of-stream.git"
},
"scripts": {
"test": "node test.js"
},
"version": "1.4.1"
}

17
node_modules/extend/.eslintrc generated vendored Normal file
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{
"root": true,
"extends": "@ljharb",
"rules": {
"complexity": [2, 15],
"eqeqeq": [2, "allow-null"],
"func-name-matching": [1],
"max-depth": [1, 4],
"max-statements": [2, 26],
"no-extra-parens": [1],
"no-magic-numbers": [0],
"no-restricted-syntax": [2, "BreakStatement", "ContinueStatement", "DebuggerStatement", "LabeledStatement", "WithStatement"],
"sort-keys": [0],
}
}

175
node_modules/extend/.jscs.json generated vendored Normal file
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{
"es3": true,
"additionalRules": [],
"requireSemicolons": true,
"disallowMultipleSpaces": true,
"disallowIdentifierNames": [],
"requireCurlyBraces": {
"allExcept": [],
"keywords": ["if", "else", "for", "while", "do", "try", "catch"]
},
"requireSpaceAfterKeywords": ["if", "else", "for", "while", "do", "switch", "return", "try", "catch", "function"],
"disallowSpaceAfterKeywords": [],
"disallowSpaceBeforeComma": true,
"disallowSpaceAfterComma": false,
"disallowSpaceBeforeSemicolon": true,
"disallowNodeTypes": [
"DebuggerStatement",
"LabeledStatement",
"SwitchCase",
"SwitchStatement",
"WithStatement"
],
"requireObjectKeysOnNewLine": { "allExcept": ["sameLine"] },
"requireSpacesInAnonymousFunctionExpression": { "beforeOpeningRoundBrace": true, "beforeOpeningCurlyBrace": true },
"requireSpacesInNamedFunctionExpression": { "beforeOpeningCurlyBrace": true },
"disallowSpacesInNamedFunctionExpression": { "beforeOpeningRoundBrace": true },
"requireSpacesInFunctionDeclaration": { "beforeOpeningCurlyBrace": true },
"disallowSpacesInFunctionDeclaration": { "beforeOpeningRoundBrace": true },
"requireSpaceBetweenArguments": true,
"disallowSpacesInsideParentheses": true,
"disallowSpacesInsideArrayBrackets": true,
"disallowQuotedKeysInObjects": { "allExcept": ["reserved"] },
"disallowSpaceAfterObjectKeys": true,
"requireCommaBeforeLineBreak": true,
"disallowSpaceAfterPrefixUnaryOperators": ["++", "--", "+", "-", "~", "!"],
"requireSpaceAfterPrefixUnaryOperators": [],
"disallowSpaceBeforePostfixUnaryOperators": ["++", "--"],
"requireSpaceBeforePostfixUnaryOperators": [],
"disallowSpaceBeforeBinaryOperators": [],
"requireSpaceBeforeBinaryOperators": ["+", "-", "/", "*", "=", "==", "===", "!=", "!=="],
"requireSpaceAfterBinaryOperators": ["+", "-", "/", "*", "=", "==", "===", "!=", "!=="],
"disallowSpaceAfterBinaryOperators": [],
"disallowImplicitTypeConversion": ["binary", "string"],
"disallowKeywords": ["with", "eval"],
"requireKeywordsOnNewLine": [],
"disallowKeywordsOnNewLine": ["else"],
"requireLineFeedAtFileEnd": true,
"disallowTrailingWhitespace": true,
"disallowTrailingComma": true,
"excludeFiles": ["node_modules/**", "vendor/**"],
"disallowMultipleLineStrings": true,
"requireDotNotation": { "allExcept": ["keywords"] },
"requireParenthesesAroundIIFE": true,
"validateLineBreaks": "LF",
"validateQuoteMarks": {
"escape": true,
"mark": "'"
},
"disallowOperatorBeforeLineBreak": [],
"requireSpaceBeforeKeywords": [
"do",
"for",
"if",
"else",
"switch",
"case",
"try",
"catch",
"finally",
"while",
"with",
"return"
],
"validateAlignedFunctionParameters": {
"lineBreakAfterOpeningBraces": true,
"lineBreakBeforeClosingBraces": true
},
"requirePaddingNewLinesBeforeExport": true,
"validateNewlineAfterArrayElements": {
"maximum": 6
},
"requirePaddingNewLinesAfterUseStrict": true,
"disallowArrowFunctions": true,
"disallowMultiLineTernary": true,
"validateOrderInObjectKeys": false,
"disallowIdenticalDestructuringNames": true,
"disallowNestedTernaries": { "maxLevel": 1 },
"requireSpaceAfterComma": { "allExcept": ["trailing"] },
"requireAlignedMultilineParams": false,
"requireSpacesInGenerator": {
"afterStar": true
},
"disallowSpacesInGenerator": {
"beforeStar": true
},
"disallowVar": false,
"requireArrayDestructuring": false,
"requireEnhancedObjectLiterals": false,
"requireObjectDestructuring": false,
"requireEarlyReturn": false,
"requireCapitalizedConstructorsNew": {
"allExcept": ["Function", "String", "Object", "Symbol", "Number", "Date", "RegExp", "Error", "Boolean", "Array"]
},
"requireImportAlphabetized": false,
"requireSpaceBeforeObjectValues": true,
"requireSpaceBeforeDestructuredValues": true,
"disallowSpacesInsideTemplateStringPlaceholders": true,
"disallowArrayDestructuringReturn": false,
"requireNewlineBeforeSingleStatementsInIf": false,
"disallowUnusedVariables": true,
"requireSpacesInsideImportedObjectBraces": true,
"requireUseStrict": true
}

1
node_modules/extend/.npmignore generated vendored Normal file
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@ -0,0 +1 @@
test

179
node_modules/extend/.travis.yml generated vendored Normal file
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@ -0,0 +1,179 @@
language: node_js
os:
- linux
node_js:
- "7.9"
- "6.10"
- "5.12"
- "4.8"
- "iojs-v3.3"
- "iojs-v2.5"
- "iojs-v1.8"
- "0.12"
- "0.10"
- "0.8"
before_install:
- 'if [ "${TRAVIS_NODE_VERSION}" = "0.6" ]; then npm install -g npm@1.3 ; elif [ "${TRAVIS_NODE_VERSION}" != "0.9" ]; then case "$(npm --version)" in 1.*) npm install -g npm@1.4.28 ;; 2.*) npm install -g npm@2 ;; esac ; fi'
- 'if [ "${TRAVIS_NODE_VERSION}" != "0.6" ] && [ "${TRAVIS_NODE_VERSION}" != "0.9" ]; then npm install -g npm; fi'
install:
- 'if [ "${TRAVIS_NODE_VERSION}" = "0.6" ]; then nvm install 0.8 && npm install -g npm@1.3 && npm install -g npm@1.4.28 && npm install -g npm@2 && npm install && nvm use "${TRAVIS_NODE_VERSION}"; else npm install; fi;'
script:
- 'if [ -n "${PRETEST-}" ]; then npm run pretest ; fi'
- 'if [ -n "${POSTTEST-}" ]; then npm run posttest ; fi'
- 'if [ -n "${COVERAGE-}" ]; then npm run coverage ; fi'
- 'if [ -n "${TEST-}" ]; then npm run tests-only ; fi'
sudo: false
env:
- TEST=true
matrix:
fast_finish: true
include:
- node_js: "node"
env: PRETEST=true
- node_js: "node"
env: COVERAGE=true
- node_js: "7.8"
env: TEST=true ALLOW_FAILURE=true
- node_js: "7.7"
env: TEST=true ALLOW_FAILURE=true
- node_js: "7.6"
env: TEST=true ALLOW_FAILURE=true
- node_js: "7.5"
env: TEST=true ALLOW_FAILURE=true
- node_js: "7.4"
env: TEST=true ALLOW_FAILURE=true
- node_js: "7.3"
env: TEST=true ALLOW_FAILURE=true
- node_js: "7.2"
env: TEST=true ALLOW_FAILURE=true
- node_js: "7.1"
env: TEST=true ALLOW_FAILURE=true
- node_js: "7.0"
env: TEST=true ALLOW_FAILURE=true
- node_js: "6.9"
env: TEST=true ALLOW_FAILURE=true
- node_js: "6.8"
env: TEST=true ALLOW_FAILURE=true
- node_js: "6.7"
env: TEST=true ALLOW_FAILURE=true
- node_js: "6.6"
env: TEST=true ALLOW_FAILURE=true
- node_js: "6.5"
env: TEST=true ALLOW_FAILURE=true
- node_js: "6.4"
env: TEST=true ALLOW_FAILURE=true
- node_js: "6.3"
env: TEST=true ALLOW_FAILURE=true
- node_js: "6.2"
env: TEST=true ALLOW_FAILURE=true
- node_js: "6.1"
env: TEST=true ALLOW_FAILURE=true
- node_js: "6.0"
env: TEST=true ALLOW_FAILURE=true
- node_js: "5.11"
env: TEST=true ALLOW_FAILURE=true
- node_js: "5.10"
env: TEST=true ALLOW_FAILURE=true
- node_js: "5.9"
env: TEST=true ALLOW_FAILURE=true
- node_js: "5.8"
env: TEST=true ALLOW_FAILURE=true
- node_js: "5.7"
env: TEST=true ALLOW_FAILURE=true
- node_js: "5.6"
env: TEST=true ALLOW_FAILURE=true
- node_js: "5.5"
env: TEST=true ALLOW_FAILURE=true
- node_js: "5.4"
env: TEST=true ALLOW_FAILURE=true
- node_js: "5.3"
env: TEST=true ALLOW_FAILURE=true
- node_js: "5.2"
env: TEST=true ALLOW_FAILURE=true
- node_js: "5.1"
env: TEST=true ALLOW_FAILURE=true
- node_js: "5.0"
env: TEST=true ALLOW_FAILURE=true
- node_js: "4.7"
env: TEST=true ALLOW_FAILURE=true
- node_js: "4.6"
env: TEST=true ALLOW_FAILURE=true
- node_js: "4.5"
env: TEST=true ALLOW_FAILURE=true
- node_js: "4.4"
env: TEST=true ALLOW_FAILURE=true
- node_js: "4.3"
env: TEST=true ALLOW_FAILURE=true
- node_js: "4.2"
env: TEST=true ALLOW_FAILURE=true
- node_js: "4.1"
env: TEST=true ALLOW_FAILURE=true
- node_js: "4.0"
env: TEST=true ALLOW_FAILURE=true
- node_js: "iojs-v3.2"
env: TEST=true ALLOW_FAILURE=true
- node_js: "iojs-v3.1"
env: TEST=true ALLOW_FAILURE=true
- node_js: "iojs-v3.0"
env: TEST=true ALLOW_FAILURE=true
- node_js: "iojs-v2.4"
env: TEST=true ALLOW_FAILURE=true
- node_js: "iojs-v2.3"
env: TEST=true ALLOW_FAILURE=true
- node_js: "iojs-v2.2"
env: TEST=true ALLOW_FAILURE=true
- node_js: "iojs-v2.1"
env: TEST=true ALLOW_FAILURE=true
- node_js: "iojs-v2.0"
env: TEST=true ALLOW_FAILURE=true
- node_js: "iojs-v1.7"
env: TEST=true ALLOW_FAILURE=true
- node_js: "iojs-v1.6"
env: TEST=true ALLOW_FAILURE=true
- node_js: "iojs-v1.5"
env: TEST=true ALLOW_FAILURE=true
- node_js: "iojs-v1.4"
env: TEST=true ALLOW_FAILURE=true
- node_js: "iojs-v1.3"
env: TEST=true ALLOW_FAILURE=true
- node_js: "iojs-v1.2"
env: TEST=true ALLOW_FAILURE=true
- node_js: "iojs-v1.1"
env: TEST=true ALLOW_FAILURE=true
- node_js: "iojs-v1.0"
env: TEST=true ALLOW_FAILURE=true
- node_js: "0.11"
env: TEST=true ALLOW_FAILURE=true
- node_js: "0.9"
env: TEST=true ALLOW_FAILURE=true
- node_js: "0.6"
env: TEST=true ALLOW_FAILURE=true
- node_js: "0.4"
env: TEST=true ALLOW_FAILURE=true
##- node_js: "7"
#env: TEST=true
#os: osx
#- node_js: "6"
#env: TEST=true
#os: osx
#- node_js: "5"
#env: TEST=true
#os: osx
#- node_js: "4"
#env: TEST=true
#os: osx
#- node_js: "iojs"
#env: TEST=true
#os: osx
#- node_js: "0.12"
#env: TEST=true
#os: osx
#- node_js: "0.10"
#env: TEST=true
#os: osx
#- node_js: "0.8"
#env: TEST=true
#os: osx
allow_failures:
- os: osx
- env: TEST=true ALLOW_FAILURE=true

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3.0.1 / 2017-04-27
==================
* [Fix] deep extending should work with a non-object (#46)
* [Dev Deps] update `tape`, `eslint`, `@ljharb/eslint-config`
* [Tests] up to `node` `v7.9`, `v6.10`, `v4.8`; improve matrix
* [Docs] Switch from vb.teelaun.ch to versionbadg.es for the npm version badge SVG.
* [Docs] Add example to readme (#34)
3.0.0 / 2015-07-01
==================
* [Possible breaking change] Use global "strict" directive (#32)
* [Tests] `int` is an ES3 reserved word
* [Tests] Test up to `io.js` `v2.3`
* [Tests] Add `npm run eslint`
* [Dev Deps] Update `covert`, `jscs`
2.0.1 / 2015-04-25
==================
* Use an inline `isArray` check, for ES3 browsers. (#27)
* Some old browsers fail when an identifier is `toString`
* Test latest `node` and `io.js` versions on `travis-ci`; speed up builds
* Add license info to package.json (#25)
* Update `tape`, `jscs`
* Adding a CHANGELOG
2.0.0 / 2014-10-01
==================
* Increase code coverage to 100%; run code coverage as part of tests
* Add `npm run lint`; Run linter as part of tests
* Remove nodeType and setInterval checks in isPlainObject
* Updating `tape`, `jscs`, `covert`
* General style and README cleanup
1.3.0 / 2014-06-20
==================
* Add component.json for browser support (#18)
* Use SVG for badges in README (#16)
* Updating `tape`, `covert`
* Updating travis-ci to work with multiple node versions
* Fix `deep === false` bug (returning target as {}) (#14)
* Fixing constructor checks in isPlainObject
* Adding additional test coverage
* Adding `npm run coverage`
* Add LICENSE (#13)
* Adding a warning about `false`, per #11
* General style and whitespace cleanup
1.2.1 / 2013-09-14
==================
* Fixing hasOwnProperty bugs that would only have shown up in specific browsers. Fixes #8
* Updating `tape`
1.2.0 / 2013-09-02
==================
* Updating the README: add badges
* Adding a missing variable reference.
* Using `tape` instead of `buster` for tests; add more tests (#7)
* Adding node 0.10 to Travis CI (#6)
* Enabling "npm test" and cleaning up package.json (#5)
* Add Travis CI.
1.1.3 / 2012-12-06
==================
* Added unit tests.
* Ensure extend function is named. (Looks nicer in a stack trace.)
* README cleanup.
1.1.1 / 2012-11-07
==================
* README cleanup.
* Added installation instructions.
* Added a missing semicolon
1.0.0 / 2012-04-08
==================
* Initial commit

23
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@ -0,0 +1,23 @@
The MIT License (MIT)
Copyright (c) 2014 Stefan Thomas
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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[![Build Status][travis-svg]][travis-url]
[![dependency status][deps-svg]][deps-url]
[![dev dependency status][dev-deps-svg]][dev-deps-url]
# extend() for Node.js <sup>[![Version Badge][npm-version-png]][npm-url]</sup>
`node-extend` is a port of the classic extend() method from jQuery. It behaves as you expect. It is simple, tried and true.
Notes:
* Since Node.js >= 4,
[`Object.assign`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign)
now offers the same functionality natively (but without the "deep copy" option).
See [ECMAScript 2015 (ES6) in Node.js](https://nodejs.org/en/docs/es6).
* Some native implementations of `Object.assign` in both Node.js and many
browsers (since NPM modules are for the browser too) may not be fully
spec-compliant.
Check [`object.assign`](https://www.npmjs.com/package/object.assign) module for
a compliant candidate.
## Installation
This package is available on [npm][npm-url] as: `extend`
``` sh
npm install extend
```
## Usage
**Syntax:** extend **(** [`deep`], `target`, `object1`, [`objectN`] **)**
*Extend one object with one or more others, returning the modified object.*
**Example:**
``` js
var extend = require('extend');
extend(targetObject, object1, object2);
```
Keep in mind that the target object will be modified, and will be returned from extend().
If a boolean true is specified as the first argument, extend performs a deep copy, recursively copying any objects it finds. Otherwise, the copy will share structure with the original object(s).
Undefined properties are not copied. However, properties inherited from the object's prototype will be copied over.
Warning: passing `false` as the first argument is not supported.
### Arguments
* `deep` *Boolean* (optional)
If set, the merge becomes recursive (i.e. deep copy).
* `target` *Object*
The object to extend.
* `object1` *Object*
The object that will be merged into the first.
* `objectN` *Object* (Optional)
More objects to merge into the first.
## License
`node-extend` is licensed under the [MIT License][mit-license-url].
## Acknowledgements
All credit to the jQuery authors for perfecting this amazing utility.
Ported to Node.js by [Stefan Thomas][github-justmoon] with contributions by [Jonathan Buchanan][github-insin] and [Jordan Harband][github-ljharb].
[travis-svg]: https://travis-ci.org/justmoon/node-extend.svg
[travis-url]: https://travis-ci.org/justmoon/node-extend
[npm-url]: https://npmjs.org/package/extend
[mit-license-url]: http://opensource.org/licenses/MIT
[github-justmoon]: https://github.com/justmoon
[github-insin]: https://github.com/insin
[github-ljharb]: https://github.com/ljharb
[npm-version-png]: http://versionbadg.es/justmoon/node-extend.svg
[deps-svg]: https://david-dm.org/justmoon/node-extend.svg
[deps-url]: https://david-dm.org/justmoon/node-extend
[dev-deps-svg]: https://david-dm.org/justmoon/node-extend/dev-status.svg
[dev-deps-url]: https://david-dm.org/justmoon/node-extend#info=devDependencies

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{
"name": "extend",
"author": "Stefan Thomas <justmoon@members.fsf.org> (http://www.justmoon.net)",
"version": "3.0.0",
"description": "Port of jQuery.extend for node.js and the browser.",
"scripts": [
"index.js"
],
"contributors": [
{
"name": "Jordan Harband",
"url": "https://github.com/ljharb"
}
],
"keywords": [
"extend",
"clone",
"merge"
],
"repository" : {
"type": "git",
"url": "https://github.com/justmoon/node-extend.git"
},
"dependencies": {
},
"devDependencies": {
"tape" : "~3.0.0",
"covert": "~0.4.0",
"jscs": "~1.6.2"
}
}

86
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'use strict';
var hasOwn = Object.prototype.hasOwnProperty;
var toStr = Object.prototype.toString;
var isArray = function isArray(arr) {
if (typeof Array.isArray === 'function') {
return Array.isArray(arr);
}
return toStr.call(arr) === '[object Array]';
};
var isPlainObject = function isPlainObject(obj) {
if (!obj || toStr.call(obj) !== '[object Object]') {
return false;
}
var hasOwnConstructor = hasOwn.call(obj, 'constructor');
var hasIsPrototypeOf = obj.constructor && obj.constructor.prototype && hasOwn.call(obj.constructor.prototype, 'isPrototypeOf');
// Not own constructor property must be Object
if (obj.constructor && !hasOwnConstructor && !hasIsPrototypeOf) {
return false;
}
// Own properties are enumerated firstly, so to speed up,
// if last one is own, then all properties are own.
var key;
for (key in obj) { /**/ }
return typeof key === 'undefined' || hasOwn.call(obj, key);
};
module.exports = function extend() {
var options, name, src, copy, copyIsArray, clone;
var target = arguments[0];
var i = 1;
var length = arguments.length;
var deep = false;
// Handle a deep copy situation
if (typeof target === 'boolean') {
deep = target;
target = arguments[1] || {};
// skip the boolean and the target
i = 2;
}
if (target == null || (typeof target !== 'object' && typeof target !== 'function')) {
target = {};
}
for (; i < length; ++i) {
options = arguments[i];
// Only deal with non-null/undefined values
if (options != null) {
// Extend the base object
for (name in options) {
src = target[name];
copy = options[name];
// Prevent never-ending loop
if (target !== copy) {
// Recurse if we're merging plain objects or arrays
if (deep && copy && (isPlainObject(copy) || (copyIsArray = isArray(copy)))) {
if (copyIsArray) {
copyIsArray = false;
clone = src && isArray(src) ? src : [];
} else {
clone = src && isPlainObject(src) ? src : {};
}
// Never move original objects, clone them
target[name] = extend(deep, clone, copy);
// Don't bring in undefined values
} else if (typeof copy !== 'undefined') {
target[name] = copy;
}
}
}
}
}
// Return the modified object
return target;
};

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{
"_from": "extend@^3.0.0",
"_id": "extend@3.0.1",
"_inBundle": false,
"_integrity": "sha1-p1Xqe8Gt/MWjHOfnYtuq3F5jZEQ=",
"_location": "/extend",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "extend@^3.0.0",
"name": "extend",
"escapedName": "extend",
"rawSpec": "^3.0.0",
"saveSpec": null,
"fetchSpec": "^3.0.0"
},
"_requiredBy": [
"/glob-stream"
],
"_resolved": "https://registry.npmjs.org/extend/-/extend-3.0.1.tgz",
"_shasum": "a755ea7bc1adfcc5a31ce7e762dbaadc5e636444",
"_spec": "extend@^3.0.0",
"_where": "/home/wn/workspace-node/PiAlive/node_modules/glob-stream",
"author": {
"name": "Stefan Thomas",
"email": "justmoon@members.fsf.org",
"url": "http://www.justmoon.net"
},
"bugs": {
"url": "https://github.com/justmoon/node-extend/issues"
},
"bundleDependencies": false,
"contributors": [
{
"name": "Jordan Harband",
"url": "https://github.com/ljharb"
}
],
"dependencies": {},
"deprecated": false,
"description": "Port of jQuery.extend for node.js and the browser",
"devDependencies": {
"@ljharb/eslint-config": "^11.0.0",
"covert": "^1.1.0",
"eslint": "^3.19.0",
"jscs": "^3.0.7",
"tape": "^4.6.3"
},
"homepage": "https://github.com/justmoon/node-extend#readme",
"keywords": [
"extend",
"clone",
"merge"
],
"license": "MIT",
"main": "index",
"name": "extend",
"repository": {
"type": "git",
"url": "git+https://github.com/justmoon/node-extend.git"
},
"scripts": {
"coverage": "covert test/index.js",
"coverage-quiet": "covert test/index.js --quiet",
"eslint": "eslint *.js */*.js",
"jscs": "jscs *.js */*.js",
"lint": "npm run jscs && npm run eslint",
"posttest": "npm run coverage-quiet",
"pretest": "npm run lint",
"test": "npm run tests-only",
"tests-only": "node test"
},
"version": "3.0.1"
}

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The ISC License
Copyright (c) Isaac Z. Schlueter and Contributors
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
----
This library bundles a version of the `fs.realpath` and `fs.realpathSync`
methods from Node.js v0.10 under the terms of the Node.js MIT license.
Node's license follows, also included at the header of `old.js` which contains
the licensed code:
Copyright Joyent, Inc. and other Node contributors.
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.

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# fs.realpath
A backwards-compatible fs.realpath for Node v6 and above
In Node v6, the JavaScript implementation of fs.realpath was replaced
with a faster (but less resilient) native implementation. That raises
new and platform-specific errors and cannot handle long or excessively
symlink-looping paths.
This module handles those cases by detecting the new errors and
falling back to the JavaScript implementation. On versions of Node
prior to v6, it has no effect.
## USAGE
```js
var rp = require('fs.realpath')
// async version
rp.realpath(someLongAndLoopingPath, function (er, real) {
// the ELOOP was handled, but it was a bit slower
})
// sync version
var real = rp.realpathSync(someLongAndLoopingPath)
// monkeypatch at your own risk!
// This replaces the fs.realpath/fs.realpathSync builtins
rp.monkeypatch()
// un-do the monkeypatching
rp.unmonkeypatch()
```

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module.exports = realpath
realpath.realpath = realpath
realpath.sync = realpathSync
realpath.realpathSync = realpathSync
realpath.monkeypatch = monkeypatch
realpath.unmonkeypatch = unmonkeypatch
var fs = require('fs')
var origRealpath = fs.realpath
var origRealpathSync = fs.realpathSync
var version = process.version
var ok = /^v[0-5]\./.test(version)
var old = require('./old.js')
function newError (er) {
return er && er.syscall === 'realpath' && (
er.code === 'ELOOP' ||
er.code === 'ENOMEM' ||
er.code === 'ENAMETOOLONG'
)
}
function realpath (p, cache, cb) {
if (ok) {
return origRealpath(p, cache, cb)
}
if (typeof cache === 'function') {
cb = cache
cache = null
}
origRealpath(p, cache, function (er, result) {
if (newError(er)) {
old.realpath(p, cache, cb)
} else {
cb(er, result)
}
})
}
function realpathSync (p, cache) {
if (ok) {
return origRealpathSync(p, cache)
}
try {
return origRealpathSync(p, cache)
} catch (er) {
if (newError(er)) {
return old.realpathSync(p, cache)
} else {
throw er
}
}
}
function monkeypatch () {
fs.realpath = realpath
fs.realpathSync = realpathSync
}
function unmonkeypatch () {
fs.realpath = origRealpath
fs.realpathSync = origRealpathSync
}

303
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// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
var pathModule = require('path');
var isWindows = process.platform === 'win32';
var fs = require('fs');
// JavaScript implementation of realpath, ported from node pre-v6
var DEBUG = process.env.NODE_DEBUG && /fs/.test(process.env.NODE_DEBUG);
function rethrow() {
// Only enable in debug mode. A backtrace uses ~1000 bytes of heap space and
// is fairly slow to generate.
var callback;
if (DEBUG) {
var backtrace = new Error;
callback = debugCallback;
} else
callback = missingCallback;
return callback;
function debugCallback(err) {
if (err) {
backtrace.message = err.message;
err = backtrace;
missingCallback(err);
}
}
function missingCallback(err) {
if (err) {
if (process.throwDeprecation)
throw err; // Forgot a callback but don't know where? Use NODE_DEBUG=fs
else if (!process.noDeprecation) {
var msg = 'fs: missing callback ' + (err.stack || err.message);
if (process.traceDeprecation)
console.trace(msg);
else
console.error(msg);
}
}
}
}
function maybeCallback(cb) {
return typeof cb === 'function' ? cb : rethrow();
}
var normalize = pathModule.normalize;
// Regexp that finds the next partion of a (partial) path
// result is [base_with_slash, base], e.g. ['somedir/', 'somedir']
if (isWindows) {
var nextPartRe = /(.*?)(?:[\/\\]+|$)/g;
} else {
var nextPartRe = /(.*?)(?:[\/]+|$)/g;
}
// Regex to find the device root, including trailing slash. E.g. 'c:\\'.
if (isWindows) {
var splitRootRe = /^(?:[a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/][^\\\/]+)?[\\\/]*/;
} else {
var splitRootRe = /^[\/]*/;
}
exports.realpathSync = function realpathSync(p, cache) {
// make p is absolute
p = pathModule.resolve(p);
if (cache && Object.prototype.hasOwnProperty.call(cache, p)) {
return cache[p];
}
var original = p,
seenLinks = {},
knownHard = {};
// current character position in p
var pos;
// the partial path so far, including a trailing slash if any
var current;
// the partial path without a trailing slash (except when pointing at a root)
var base;
// the partial path scanned in the previous round, with slash
var previous;
start();
function start() {
// Skip over roots
var m = splitRootRe.exec(p);
pos = m[0].length;
current = m[0];
base = m[0];
previous = '';
// On windows, check that the root exists. On unix there is no need.
if (isWindows && !knownHard[base]) {
fs.lstatSync(base);
knownHard[base] = true;
}
}
// walk down the path, swapping out linked pathparts for their real
// values
// NB: p.length changes.
while (pos < p.length) {
// find the next part
nextPartRe.lastIndex = pos;
var result = nextPartRe.exec(p);
previous = current;
current += result[0];
base = previous + result[1];
pos = nextPartRe.lastIndex;
// continue if not a symlink
if (knownHard[base] || (cache && cache[base] === base)) {
continue;
}
var resolvedLink;
if (cache && Object.prototype.hasOwnProperty.call(cache, base)) {
// some known symbolic link. no need to stat again.
resolvedLink = cache[base];
} else {
var stat = fs.lstatSync(base);
if (!stat.isSymbolicLink()) {
knownHard[base] = true;
if (cache) cache[base] = base;
continue;
}
// read the link if it wasn't read before
// dev/ino always return 0 on windows, so skip the check.
var linkTarget = null;
if (!isWindows) {
var id = stat.dev.toString(32) + ':' + stat.ino.toString(32);
if (seenLinks.hasOwnProperty(id)) {
linkTarget = seenLinks[id];
}
}
if (linkTarget === null) {
fs.statSync(base);
linkTarget = fs.readlinkSync(base);
}
resolvedLink = pathModule.resolve(previous, linkTarget);
// track this, if given a cache.
if (cache) cache[base] = resolvedLink;
if (!isWindows) seenLinks[id] = linkTarget;
}
// resolve the link, then start over
p = pathModule.resolve(resolvedLink, p.slice(pos));
start();
}
if (cache) cache[original] = p;
return p;
};
exports.realpath = function realpath(p, cache, cb) {
if (typeof cb !== 'function') {
cb = maybeCallback(cache);
cache = null;
}
// make p is absolute
p = pathModule.resolve(p);
if (cache && Object.prototype.hasOwnProperty.call(cache, p)) {
return process.nextTick(cb.bind(null, null, cache[p]));
}
var original = p,
seenLinks = {},
knownHard = {};
// current character position in p
var pos;
// the partial path so far, including a trailing slash if any
var current;
// the partial path without a trailing slash (except when pointing at a root)
var base;
// the partial path scanned in the previous round, with slash
var previous;
start();
function start() {
// Skip over roots
var m = splitRootRe.exec(p);
pos = m[0].length;
current = m[0];
base = m[0];
previous = '';
// On windows, check that the root exists. On unix there is no need.
if (isWindows && !knownHard[base]) {
fs.lstat(base, function(err) {
if (err) return cb(err);
knownHard[base] = true;
LOOP();
});
} else {
process.nextTick(LOOP);
}
}
// walk down the path, swapping out linked pathparts for their real
// values
function LOOP() {
// stop if scanned past end of path
if (pos >= p.length) {
if (cache) cache[original] = p;
return cb(null, p);
}
// find the next part
nextPartRe.lastIndex = pos;
var result = nextPartRe.exec(p);
previous = current;
current += result[0];
base = previous + result[1];
pos = nextPartRe.lastIndex;
// continue if not a symlink
if (knownHard[base] || (cache && cache[base] === base)) {
return process.nextTick(LOOP);
}
if (cache && Object.prototype.hasOwnProperty.call(cache, base)) {
// known symbolic link. no need to stat again.
return gotResolvedLink(cache[base]);
}
return fs.lstat(base, gotStat);
}
function gotStat(err, stat) {
if (err) return cb(err);
// if not a symlink, skip to the next path part
if (!stat.isSymbolicLink()) {
knownHard[base] = true;
if (cache) cache[base] = base;
return process.nextTick(LOOP);
}
// stat & read the link if not read before
// call gotTarget as soon as the link target is known
// dev/ino always return 0 on windows, so skip the check.
if (!isWindows) {
var id = stat.dev.toString(32) + ':' + stat.ino.toString(32);
if (seenLinks.hasOwnProperty(id)) {
return gotTarget(null, seenLinks[id], base);
}
}
fs.stat(base, function(err) {
if (err) return cb(err);
fs.readlink(base, function(err, target) {
if (!isWindows) seenLinks[id] = target;
gotTarget(err, target);
});
});
}
function gotTarget(err, target, base) {
if (err) return cb(err);
var resolvedLink = pathModule.resolve(previous, target);
if (cache) cache[base] = resolvedLink;
gotResolvedLink(resolvedLink);
}
function gotResolvedLink(resolvedLink) {
// resolve the link, then start over
p = pathModule.resolve(resolvedLink, p.slice(pos));
start();
}
};

59
node_modules/fs.realpath/package.json generated vendored Normal file
View File

@ -0,0 +1,59 @@
{
"_from": "fs.realpath@^1.0.0",
"_id": "fs.realpath@1.0.0",
"_inBundle": false,
"_integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
"_location": "/fs.realpath",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "fs.realpath@^1.0.0",
"name": "fs.realpath",
"escapedName": "fs.realpath",
"rawSpec": "^1.0.0",
"saveSpec": null,
"fetchSpec": "^1.0.0"
},
"_requiredBy": [
"/glob"
],
"_resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
"_shasum": "1504ad2523158caa40db4a2787cb01411994ea4f",
"_spec": "fs.realpath@^1.0.0",
"_where": "/home/wn/workspace-node/PiAlive/node_modules/glob",
"author": {
"name": "Isaac Z. Schlueter",
"email": "i@izs.me",
"url": "http://blog.izs.me/"
},
"bugs": {
"url": "https://github.com/isaacs/fs.realpath/issues"
},
"bundleDependencies": false,
"dependencies": {},
"deprecated": false,
"description": "Use node's fs.realpath, but fall back to the JS implementation if the native one fails",
"devDependencies": {},
"files": [
"old.js",
"index.js"
],
"homepage": "https://github.com/isaacs/fs.realpath#readme",
"keywords": [
"realpath",
"fs",
"polyfill"
],
"license": "ISC",
"main": "index.js",
"name": "fs.realpath",
"repository": {
"type": "git",
"url": "git+https://github.com/isaacs/fs.realpath.git"
},
"scripts": {
"test": "tap test/*.js --cov"
},
"version": "1.0.0"
}

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