Mattias Petter Johansson mpj

mpj / hello.html

Last active August 22, 2019 20:40

	<html>
	<head>
	<link href="style.css" rel="stylesheet" />
	</head>
	<body>
	<h3>Graph: Dragons</h3>
	<div class="legend legendX"><div>Scariness ️→</div></div>
	<div class="legend legendY"><div>Actual Power →</div></div>
	<!-- http://bit.ly/neuralvanilla -->
	<canvas id="wowacanvas" width="1000" height="1000"></canvas>

mpj / curryingetc.js

Created May 27, 2019 16:23

	const Pusher = require('pusher')
	const secrets = require('./secrets')
	const Encryptor = require('simple-encryptor')
	const R = require('ramda')

	const encrypt = R.curry((secret, data) => Encryptor(secret).encrypt(data))
	const encryptWithSecret = encrypt(secrets.e2eSecret)
	const trigger = R.curry((secrets, channel, event, message) => {
	const client = new Pusher({
	appId: secrets.appId,

mpj / obs.js

Created May 24, 2019 13:23

	const delay = require('delay')
	async function* makeCountingObservable() {
	let count = 0
	while(true) {
	if (count > 4) return
	await delay(1000)
	yield count++
	}
	}
	const counter = makeCountingObservable()

mpj / sniffix.js

Created May 21, 2019 12:56

	//@ts-check
	const util = require('util')
	const fs = require('fs')
	const path = require('path')
	const writeFile = util.promisify(require('fs').writeFile)
	const readFile = util.promisify(require('fs').readFile)

	function createSniffer({
	fixtureDirectory,
	dummy = false

mpj / stream-speech.js

Created October 8, 2018 13:19

Most simple example I could find for ongoing listening of microphone using the google cloud speech api.

	// Imports the Google Cloud client library
	const speech = require('@google-cloud/speech')
	const record = require('node-record-lpcm16')

	const client = new speech.SpeechClient({
	// generated service key downloaded from cloud console
	credentials: require('./admin-key.json')
	})

	const sampleRateHertz = 16000

mpj / hello.js

Created May 31, 2018 15:06

	const fs = require('fs')

	fs.readFile('hello.txt', 'utf8', (error, content) =>
	content
	.split('\n')
	.filter(line => line.includes('dog'))
	.forEach(line => console.log(line))
	)

mpj / order-total.js

Created December 4, 2017 07:57


	function orderTotal(fetch, order) {
	fetch('https://vatapi.com/v1/country-code-check?code=' + order.country)
	return Promise.resolve(order.items.reduce((prev, cur) =>
	cur.price * (cur.quantity \|\| 1) + prev, 0))
	}

	module.exports = orderTotal

mpj / order-total.js

Created November 26, 2017 21:03

Code from Unit testing in JavaScript Part 3 - Test runners

	function orderTotal(order) {
	return order.items.reduce((prev, cur) => cur.price * (cur.quantity \|\| 1) + prev, 0)
	}

	module.exports = orderTotal

mpj / unit-testing-first-tests.js

Created November 13, 2017 10:39

	function orderTotal(order) {
	return order.items.reduce((prev, cur) => cur.price * (cur.quantity \|\| 1) + prev, 0)
	}

	if (orderTotal({
	items: [
	{ 'name': 'Dragon candy', price: 2, quantity: 3 }
	]
	}) !== 6) {
	throw new Error('Check fail: Quantity')

mpj / functional.js

Created November 7, 2017 15:43

	const fetch = require('node-fetch')
	const fs = require('fs')
	require('dotenv').config();

	const accessToken = process.env.PATREON_ACCESS_TOKEN
	const pageCount = 100
	const url = `https://www.patreon.com/api/oauth2/api/campaigns/1137737/pledges` +
	`?type=pledge&sort=created&page%5Bcount%5D=${pageCount}&access_token=${accessToken}`

	const getPatreonData = function (url, pledges = []) {