simonsmith

import {retry} from './retry';

jest.spyOn(global, 'setTimeout');

test('retries a function and increases the backoff for each failure', async () => {
  const rejectingFunc = jest.fn(
    (() => {
      let failCount = 5;
      return () => {
        if (failCount === 0) {

simonsmith

import {useState} from 'react';

export const requestStatus = {
  IDLE: 'IDLE',
  PENDING: 'PENDING',
  REJECTED: 'REJECTED',
  FULFILLED: 'FULFILLED',
};

export const useRequestStatus = () => {

simonsmith

const scripts = new Map<string, Promise<unknown>>();

export function loadScript(
  src: string,
  additionalScriptAttrs: Record<string, string> = {}
): Promise<unknown> {
  if (scripts.has(src)) {
    // TypeScript cannot narrow down type with `has`
    // https://github.com/microsoft/TypeScript/issues/13086
    return scripts.get(src) as Promise<unknown>;

simonsmith

Resources

Newsletters

• https://web-design-weekly.com/
• https://react.statuscode.com/
• https://reactnewsletter.com/
• https://nodeweekly.com/
• https://javascriptweekly.com/
• https://frontendfoc.us/

simonsmith

const tape = require('tape');
const test = require('tape-css')(tape);
const h = require('hyperscript');
const getStyle = require('computed-style');

const $ = selector => document.querySelector(selector);

const styles = require('./my-component.css');
const dom = () => (
  h('div.MyComponent',

simonsmith

var gulp = require('gulp');
var bemLinter = require('postcss-bem-linter');
var atImport = require('postcss-import');
var cssnext = require('cssnext');
var postcss = require('gulp-postcss');
var concat = require('gulp-concat');
var notify = require('gulp-notify');
var stylus = require('gulp-stylus');

gulp.task('css', function() {

simonsmith

module.exports = withFeatureDetect;

function withFeatureDetect() {
  'use strict';

  this.addFeatureDetectClass = function(feature, supported) {
    var prefix = (supported ? 'is-' : 'is-not-');
    this.$node.addClass(prefix + feature + '-enabled');
  };

simonsmith

/**
 * Spacing utilities
 *
 * Used to override styles on components without need for
 * additional modifier classes
 *
 * Usage:
 *  <div class="u-mbZ"> // margin-bottom: 0
 *  <div class="u-mt20"> // margin-top: 20px
 *  <div class="u-m25"> // margin: 25px

simonsmith

Function.prototype.bind = (function() {
        }).bind || function(b) {
          if (typeof this !== "function") {
            throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");
          }
          function c() {
          }

          var a = [].slice, f = a.call(arguments, 1), e = this, d = function() {
            return e.apply(this instanceof c ? this : b || window, f.concat(a.call(arguments)));

simonsmith

/**
 * Spacing classes
 *
 * Used to override styles on components without need for
 * additional modifier classes
 *
 * Usage:
 *  <div class="u-mbZ"> // margin-bottom: 0
 *  <div class="u-mt20"> // margin-top: 20px
 */