kevboutin

const mapToJson = (map) => JSON.stringify(Object.fromEntries(map));
const map = new Map([
  ['user1', 'Alison'],
  ['user2', 'Kevin'],
  ['user3', 'James'],
]);
const json = mapToJson(map);
// {"user1":"Alison","user2":"Kevin","user3":"James"}
console.log(json);

kevboutin

const jsonToMap = (json) => new Map(Object.entries(JSON.parse(json)));
const json = '{"user1":"Alison","user2":"Kevin","user3":"James"}';
const map = jsonToMap(json);
// Kevin
console.log(map.get('user2'));
// Map(3) { 'user1' => 'Alison', 'user2' => 'Kevin', 'user3' => 'James' }
console.log(map);

kevboutin

const snakeToCamelCase = (s) =>
  s.toLowerCase().replace(/(_\w)/g, (w) => w.toUpperCase().substr(1));
const str1 = 'string_manipulation';
const str2 = 'one_liner';
console.log(snakeToCamelCase(str1)); // stringManipulation
console.log(snakeToCamelCase(str2)); // oneLiner

kevboutin

/* This can be done by the uuid package, which is probably better than using Math.random(), but this is great for unit tests. */
const generateRandomUUID = (a) =>
  a
    ? (a ^ ((Math.random() * 16) >> (a / 4))).toString(16)
    : ([1e7] + -1e3 + -4e3 + -8e3 + -1e11).replace(
        /[018]/g,
        generateRandomUUID
      );
console.log(generateRandomUUID()); // f138f635-acbd-4f78-9be5-ca3198c4cf34
console.log(generateRandomUUID()); // 8935bb0d-6503-441f-bb25-7bc685b5b5bc

kevboutin

/* Instead of using this:
const getNumWord = (num) => {
  if (num === 1) {
    return 'one';
  } else if (num === 2) {
    return 'two';
  } else if (num === 3) {
    return 'three';
  } else if (num === 4) {
    return 'four';

kevboutin

const {
	BlobSASPermissions, generateBlobSASQueryParameters, StorageSharedKeyCredential,
} = require('@azure/storage-blob');

/**
 * Generate a secure token URL for a particular file in a storage account.
 *
 * @param {string} accountName The name of the storage account.
 * @param {string} accountKey The account key.
 * @param {string} container The container.

kevboutin

// Season enums can be grouped as static members of a class
class Season {
  // Create new instances of the same class as static attributes
  static Summer = new Season("summer")
  static Autumn = new Season("autumn")
  static Winter = new Season("winter")
  static Spring = new Season("spring")

  constructor(name) {
    this.name = name

kevboutin

function cloneObject(obj: any): any {
    switch (obj["constructor"]) {
        case Date: return new Date(obj);
        case Object: return Object.keys(obj).reduce<{ [key: string]: any }>((newObj, key) => (newObj[key] = cloneObject(obj[key]), newObj), {});
        case Array: return obj.map(cloneObject);
    }
    return obj;
}

// Test

kevboutin

# This is a custom theme template for gitprompt.sh and is used here: https://github.com/magicmonty/bash-git-prompt
# Install this package using: brew install bash-git-prompt
# Copy this file to $(brew --prefix)/opt/bash-git-prompt/share/themes/
# Add the following code to your ~/.bash_profile
# if [ -f "$(brew --prefix)/opt/bash-git-prompt/share/gitprompt.sh" ]; then
#   __GIT_PROMPT_DIR=$(brew --prefix)/opt/bash-git-prompt/share
#   GIT_PROMPT_ONLY_IN_REPO=1
#   GIT_PROMPT_THEME=Solarin
#   source "$(brew --prefix)/opt/bash-git-prompt/share/gitprompt.sh"
# fi

kevboutin

#!/bin/bash

mycommand &
child_pid=$!

while kill -0 $child_pid >/dev/null 2>&1; do
    echo "Child process is still running"
    sleep 1
done