j-’s gists

j- / ComposeProviders.test.tsx

Last active February 20, 2024 02:37

	import { render, screen } from '@testing-library/react';
	import React, { createContext } from 'react';

	import { ComposeProviders } from './ComposeProviders';

	const DummyContextA = createContext<string>('');
	const DummyContextB = createContext<string>('');
	const DummyContextC = createContext<string>('');

	const DummyApp: React.FC = () => (

j- / settings.json

Created April 14, 2022 05:45

	{
	"breadcrumbs.enabled": true,
	"editor.accessibilitySupport": "off",
	"editor.autoClosingBrackets": "never",
	"editor.autoClosingQuotes": "never",
	"editor.autoSurround": "never",
	"editor.cursorBlinking": "phase",
	"editor.defaultFormatter": "esbenp.prettier-vscode",
	"editor.detectIndentation": true,
	"editor.emptySelectionClipboard": false,

j- / get-window-globals.js

Created November 24, 2021 04:11

	{
	const iframe = document.createElement('iframe');
	iframe.src = 'data:text/html,';
	document.body.appendChild(iframe);
	const guestWin = iframe.contentWindow;
	const guestWinKeys = Object.keys(guestWin);
	const hostWinKeys = Object.keys(window);
	const diff = hostWinKeys.filter((key) => {
	return !guestWinKeys.includes(key);
	}).sort();

j- / bypass-safeview.js

Last active September 17, 2020 01:40

	if (
	typeof window.safeview !== 'undefined' &&
	typeof window.safeview.feedback_bar !== 'undefined' &&
	typeof window.safeview.feedback_bar.onBypassClick === 'function' &&
	confirm('Safeview detected. Bypassing.')
	) window.safeview.feedback_bar.onBypassClick();

j- / delete-stale-branches.sh

Created September 1, 2020 01:46

Find stale branches on your remote and delete them

-#!/bin/bash
-REMOTE='origin'
-SINCE='1 week ago'
-DRY_RUN=''
-todelete=()
-for arg in "$@"
-do
-  case $arg in

j- / pubsub.test.ts

Last active July 10, 2019 01:45

Really simple pubsub

	import { create } from './pubsub';

	it('`create()` returns object with `publish` and `subscribe` fns', () => {
	const result = create();
	expect(result).toBeInstanceOf(Object);
	expect(result).toHaveProperty('publish');
	expect(result.publish).toBeInstanceOf(Function);
	expect(result).toHaveProperty('subscribe');
	expect(result.subscribe).toBeInstanceOf(Function);
	});

j- / features.jsx

Last active February 11, 2019 04:27

Render content conditionally using feature flag value detection

	import React from "react";
	import ReactDOM from "react-dom";

	// Feature flag storage
	const features = new Map();
	features.set('editor', true);
	features.set('sandbox', true);
	features.set('env', 'sit1');

	// Some dummy feature

j- / permutations.tsx

Created November 29, 2018 06:43

	interface Permutation extends Array<number> {}
	interface PermutationList extends Array<Permutation> {}

	/**
	* Gets all permutations of a given list of digits. Results are not guaranteed
	* to be uniqe.
	*/
	export const getPermutations = (input: Permutation): PermutationList => (
	input.length <= 1 ? [input] : input.reduce((result, n, i, arr) => ([
	...result,

j- / fauxcus.html

Created November 7, 2018 04:31

Set 'focus' on any HTML element

j- / Dollars.tsx

Created October 30, 2018 23:09

	import * as React from 'react';

	export interface Props {
	children: number;
	}

	const Dollars: React.StatelessComponent<Props> = ({ children }) => (
	<>
	{children.toLocaleString('en-AU', {
	style: 'currency',