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@dmvaldman
dmvaldman / promisesEM.md
Last active November 3, 2021 08:54
Promises as EventEmitters

Promises as EventEmitters

I was trying to understand JavaScript Promises by using various libraries (bluebird, when, Q) and other async approaches.

I read the spec, some blog posts, and looked through some code. I learned how to

@stewartknapman
stewartknapman / shopify-money.js
Created February 27, 2017 23:25
The Shopify.formatMoney method extracted from option_selection.js for stand-alone purposes.
var Shopify = Shopify || {};
// ---------------------------------------------------------------------------
// Money format handler
// ---------------------------------------------------------------------------
Shopify.money_format = "${{amount}}";
Shopify.formatMoney = function(cents, format) {
if (typeof cents == 'string') { cents = cents.replace('.',''); }
var value = '';
var placeholderRegex = /\{\{\s*(\w+)\s*\}\}/;
var formatString = (format || this.money_format);
const path = require('path');
const webpack = require('webpack');
const NameAllModulesPlugin = require('name-all-modules-plugin');
module.exports = {
entry: {
main: './src/foo',
other: './src/foo-two',
vendor: ['preact']
},
@joshuataylor
joshuataylor / app.js
Created October 23, 2017 12:31
Preact component to notify user when a change has been made, and on route change reload the page.
import { h, Component } from 'preact';
import { Router } from 'preact-router';
import Header from './header';
import Home from '../routes/home';
import Profile from '../routes/profile';
import NotifyChange from "./NotifyChange/index";
// import Home from 'async!../routes/home';
// import Profile from 'async!../routes/profile';
if (typeof window!=='undefined' && navigator.serviceWorker && navigator.serviceWorker.controller) {
let reloadOnNext = false;
let pushState = history.pushState;
history.pushState = function(state, title, url) {
pushState.call(this, state, title, url);
if (reloadOnNext===true) location.reload(true);
};
navigator.serviceWorker.controller.addEventListener('statechange', e => {