JasonCust’s gists

JasonCust / pages.html

Created August 8, 2019 14:47

	<!DOCTYPE html>
	<html dir="ltr" lang="en-US">

	<head>
	<base href="https://raw.githubusercontent.com/rachelandrew/css-for-print/master/">
	<style>
	/* this stylesheet is used when generating a PDF with PrinceXML or any other tool that understands the CSS used. */
	/* define a page */
	@page {
	size: 5.5in 8.5in;

JasonCust / concurrent-full-update-example.js

Last active February 21, 2018 03:12

Concurrent Updates: Full vs Partial Objects.

	import createDb from './database.js';
	import { randomWait, log } from './helper.js';

	const db = createDb();

	// Current middleware approach
	const logger = log('Full');

	// Simulated two concurrent fetch and save requests
	Promise.all([

JasonCust / concurrent-update-example.js

Last active February 12, 2018 22:49

	// Helper function to generate random delay
	function randomWait() {
	return new Promise(resolve => {
	setTimeout(resolve, Math.ceil(Math.random() * 1000));
	});
	}

	// The "database"
	const dataStore = {
	// Records Collection

JasonCust / dogwood-sandwich-arguments-defaults.js

Last active January 22, 2017 05:23

ES2015 Destructuring Assignment Example -- Basic object destructuring assignment for arguments with defaults using a Dagwood Sandwich

	function makeCheeseSandwich({bread, cheeses, condiments = ['mustard']}) {
	return {bread, cheeses, condiments};
	}

	console.log(makeCheeseSandwich(dagwoodSandwich));
	// output: { bread: 'rye', cheeses: [ 'cheddar' ], condiments: [ 'mustard' ] }

JasonCust / dogwood-sandwich-arguments.js

Last active January 22, 2017 05:10

ES2015 Destructuring Assignment Example -- Basic object destructuring assignment for arguments using a Dagwood Sandwich

	// The argument name syntax is a Destructuring Assignment
	function makeCheeseSandwich({bread, cheeses}) {
	return {bread, cheeses};
	}

	console.log(makeCheeseSandwich(dagwoodSandwich));
	// output: { bread: 'rye', cheeses: [ 'cheddar' ] }

JasonCust / dogwood-sandwich-basic-default.js

Last active January 22, 2017 05:24

ES2015 Destructuring Assignment Example -- Basic object destructuring assignment with default value using a Dagwood Sandwich

	let {bread, cheeses, condiments = ['mustard']} = dagwoodSandwich;
	console.log({bread, cheeses, condiments});
	// output: { bread: 'rye', cheeses: ['cheddar'], condiments: ['mustard'] }

JasonCust / dogwood-sandwich-basic.js

Last active January 22, 2017 05:03

ES2015 Destructuring Assignment Example -- Basic object destructuring assignment using a Dagwood Sandwich

	let dagwoodSandwich = {
	bread: 'rye',
	cheeses: ['cheddar'],
	meats: ['salami', 'ham', 'turkey', 'bologna'],
	toppings: ['lettuce', 'tomatoes', 'onions', 'fried egg', 'olives']
	};
	let {bread, cheeses} = dagwoodSandwich; // <-- Destructuring Assignment
	console.log({bread, cheeses}); // ouptut: { bread: 'rye', cheeses: ['cheddar'] }

JasonCust / objects-basic-defaults.js

Last active January 22, 2017 05:26

ES2015 Destructuring Assignment Example -- Basic object destructuring assignment with default value

	/* ES5 equivalent (ignoring assignment of intended falsy values)
	var obj = {};
	var one = obj.one;
	var two = obj.two \|\| 2;
	*/
	let obj = {};
	let {one, two = 2} = obj;
	console.log({one, two}); // output: { one: undefined, two: 2 }

JasonCust / arguments-basic-defaults.js

Created January 17, 2017 01:57

ES2015 Destructuring Assignment Example -- Basic function argument destructuring assignment with default value

	/* ES5 equivalent (ignoring assignment of intended falsy values)
	function foo(one, two) {
	one = one \|\| 1;
	console.log({one, two});
	}
	*/
	function foo(one = 1, two) {
	console.log({one, two});
	}

JasonCust / arrays-defaults-basic.js

Last active January 22, 2017 05:26

ES2015 Destructuring Assignment Example -- Basic array destructuring assignment with default value

	/* ES5 equivalent (ignoring assignment of intended falsy values)
	var arr = [];
	var one = arr[0] \|\| 1;
	var two = arr[1];
	*/
	let arr = [];
	let [one = 1, two] = arr;
	console.log({one, two}); // output: { one: 1, two: undefined }

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