Michell Ayala mishelashala

mishelashala / 09-promises.ts

Created July 27, 2020 13:37

	// then :: ((a -> b), (c -> d)) -> Promise<b \| d>

	// then :: ((a -> Promise b), (c -> Promise d)) -> Promise<b \| d>

mishelashala / 08-promises.ts

Last active July 27, 2020 13:44

	// Now this a thunk.
	// Yeah, computer science b*tch!
	// PromisedNumber :: () -> Promise<number>
	const PromisedNumber = () => new Promise(function (fulfill, reject) {
	setTimeout(() => { fulfill(10) }, 500)
	})
	// PromisedString :: () -> Promise<string>
	const PromisedString = () => new Promise(function (fulfill, reject) {
	setTimeout(() => { fulfill(10) }, 1000)
	})

mishelashala / 07-promises.ts

Last active July 24, 2020 13:42

	// Promise<number>
	var promisedNumber = new Promise(function (fulfill, reject) {
	setTimeout(() => { fulfill(10) }, 500)
	})
	// Promise<string>
	var promisedString = new Promise(function (fulfill, reject) {
	setTimeout(() => { fulfill(10) }, 1000)
	})

	console.log('start')

mishelashala / 06-promises.ts

Created July 24, 2020 13:31

	// Promise<number>
	var promisedNumber = new Promise(function (fulfill, reject) {
	setTimeout(() => { fulfill(10) }, 1000)
	});

	// Promise<string>
	var promisedString = new Promise(function (fulfill, reject) {
	setTimeout(() => { fulfill('hello') }, 500)
	})

mishelashala / 05-promises.ts

Last active July 24, 2020 13:26

	// Promise<number>
	var promisedNumber = new Promise(function (fulfill, reject) {
	setTimeout(() => { fulfill(10) }, 1000)
	});

	// Promise<string>
	var promisedString = new Promise(function (fulfill, reject) {
	setTimeout(() => { fulfill('hello') }, 500)
	})

mishelashala / 04-promises.ts

Last active July 24, 2020 13:18


	// Promise<number>
	var promisedNumber = new Promise(function asyncUnitOfWork(fulfill, reject) {
	throw new Error('Could not produce number (throw)')
	});

	console.log('start')

	promisedNumber.then(
	function onFulfilled(value) {

mishelashala / 03-promises.ts

Created July 24, 2020 13:10


	// Promise<number>
	var promisedNumber = new Promise(function asyncUnitOfWork(fulfill, reject) {
	setTimeout(function () {
	reject(new Error('Could not produce number'))
	}, 1000)
	});

	console.log('start')

mishelashala / 002-promises.ts

Created July 22, 2020 13:38

	// Promise<number>
	var promisedNumber = new Promise(function asyncUnitOfWork(fulfill, reject) {
	setTimeout(function () {
	fulfill(10)
	}, 1000)
	});

	console.log('start')

	promisedNumber.then(

mishelashala / 001-promises.ts

Last active July 22, 2020 13:27

	// Promise<number>
	var promisedNumber = new Promise(function asyncUnitOfWork(fulfill, reject) {
	setTimeout(function () {
	fulfill(10)
	}, 1000)
	});

	console.log('start')
	console.log('value: ', promisedNumber) // Promise {<pending>}
	console.log('finish')

mishelashala / 016-railway.ts

Created July 17, 2020 13:53

	const { compose, curry } = require('lodash/fp')

	// Success :: a -> Success a
	const Success = value => ({
	type: 'success',
	value
	})

	Success.is = obj => obj.type === 'success'