promise learn

This commit is contained in:
Wolfgang Hottgenroth 2021-01-13 12:07:33 +01:00
parent c6e338502e
commit 13c72409c5
Signed by: wn
GPG Key ID: E49AF3B9EF6DD469
6 changed files with 282 additions and 0 deletions

46
tools/app/promise-learn/.gitignore vendored Normal file
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# See http://help.github.com/ignore-files/ for more about ignoring files.
# compiled output
/dist
/tmp
/out-tsc
# Only exists if Bazel was run
/bazel-out
# dependencies
/node_modules
# profiling files
chrome-profiler-events*.json
speed-measure-plugin*.json
# IDEs and editors
/.idea
.project
.classpath
.c9/
*.launch
.settings/
*.sublime-workspace
# IDE - VSCode
.vscode/*
!.vscode/settings.json
!.vscode/tasks.json
!.vscode/launch.json
!.vscode/extensions.json
.history/*
# misc
/.sass-cache
/connect.lock
/coverage
/libpeerconnection.log
npm-debug.log
yarn-error.log
testem.log
/typings
# System Files
.DS_Store
Thumbs.db

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"use strict";
const mariadb = require('mariadb');
let conn;
mariadb.createConnection({
host: 'database',
user: 'heroes',
password: 'test123',
database: 'heroes'
})
.then(conn => {
conn.query("SELECT * FROM hero")
.then((rows) => {
console.log(rows);
return rows;
})
.then((res) => {
console.log(res);
conn.end();
})
.catch(err => {
console.log(err);
conn.end();
});
})
.catch(err => {
console.log('not connected');
});

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{
"name": "promise-learn",
"version": "1.0.0",
"lockfileVersion": 1,
"requires": true,
"dependencies": {
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"dev": true
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}

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{
"name": "promise-learn",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"build": "rm -rf ./build && tsc",
"start": "npm run build && node build/index.js",
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "",
"license": "ISC",
"devDependencies": {
"@types/node": "^14.14.20",
"typescript": "^4.1.3"
},
"dependencies": {
"mariadb": "^2.5.2"
}
}

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const mariadb = require('mariadb')
let conn : mariadb.Connection
mariadb.createConnection({
host: 'database',
user: 'heroes',
password: 'test123',
database: 'heroes'
})
.then(conn => {
conn.query("SELECT * FROM hero")
.then((rows) => {
console.log(rows)
return rows
})
.then((res) => {
console.log(res)
conn.end()
})
.catch(err => {
console.log(err)
conn.end()
})
})
.catch(err => {
console.log('not connected')
})

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{
"compilerOptions": {
/* Visit https://aka.ms/tsconfig.json to read more about this file */
/* Basic Options */
// "incremental": true, /* Enable incremental compilation */
"target": "es2017", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */
"module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
"lib": ["es6"], /* Specify library files to be included in the compilation. */
"allowJs": true, /* Allow javascript files to be compiled. */
// "checkJs": true, /* Report errors in .js files. */
// "jsx": "preserve", /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
// "declaration": true, /* Generates corresponding '.d.ts' file. */
// "declarationMap": true, /* Generates a sourcemap for each corresponding '.d.ts' file. */
// "sourceMap": true, /* Generates corresponding '.map' file. */
// "outFile": "./", /* Concatenate and emit output to single file. */
"outDir": "build", /* Redirect output structure to the directory. */
"rootDir": "src", /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
// "composite": true, /* Enable project compilation */
// "tsBuildInfoFile": "./", /* Specify file to store incremental compilation information */
// "removeComments": true, /* Do not emit comments to output. */
// "noEmit": true, /* Do not emit outputs. */
// "importHelpers": true, /* Import emit helpers from 'tslib'. */
// "downlevelIteration": true, /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
// "isolatedModules": true, /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
/* Strict Type-Checking Options */
"strict": true, /* Enable all strict type-checking options. */
"noImplicitAny": true, /* Raise error on expressions and declarations with an implied 'any' type. */
// "strictNullChecks": true, /* Enable strict null checks. */
// "strictFunctionTypes": true, /* Enable strict checking of function types. */
// "strictBindCallApply": true, /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
// "strictPropertyInitialization": true, /* Enable strict checking of property initialization in classes. */
// "noImplicitThis": true, /* Raise error on 'this' expressions with an implied 'any' type. */
// "alwaysStrict": true, /* Parse in strict mode and emit "use strict" for each source file. */
/* Additional Checks */
// "noUnusedLocals": true, /* Report errors on unused locals. */
// "noUnusedParameters": true, /* Report errors on unused parameters. */
// "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */
// "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */
// "noUncheckedIndexedAccess": true, /* Include 'undefined' in index signature results */
/* Module Resolution Options */
// "moduleResolution": "node", /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
// "baseUrl": "./", /* Base directory to resolve non-absolute module names. */
// "paths": {}, /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
// "rootDirs": [], /* List of root folders whose combined content represents the structure of the project at runtime. */
// "typeRoots": [], /* List of folders to include type definitions from. */
// "types": [], /* Type declaration files to be included in compilation. */
// "allowSyntheticDefaultImports": true, /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
"esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
// "preserveSymlinks": true, /* Do not resolve the real path of symlinks. */
// "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */
/* Source Map Options */
// "sourceRoot": "", /* Specify the location where debugger should locate TypeScript files instead of source locations. */
// "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */
// "inlineSourceMap": true, /* Emit a single file with source maps instead of having a separate file. */
// "inlineSources": true, /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
/* Experimental Options */
// "experimentalDecorators": true, /* Enables experimental support for ES7 decorators. */
// "emitDecoratorMetadata": true, /* Enables experimental support for emitting type metadata for decorators. */
/* Advanced Options */
"resolveJsonModule": true, /* Include modules imported with '.json' extension */
"skipLibCheck": true, /* Skip type checking of declaration files. */
"forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */
}
}