uto-usui

function exFunc(arg: number, {
  a = 0,
  b = 'func'
}: {
  a?: number,
  b?: string
} = {}) {
  // funk!
}

uto-usui

const FileType = {
  File: 'file',
  Directory: 'directory',
  Unknown: 'unknown',
}

/**
 * ファイルの種類を取得する
 * @param {string} path パス
 * @return {FileType} ファイルの種類

uto-usui

const SetVar = ({propertyName, value, el, pre = 'my'}) => {
  if (!el) {
    document.documentElement.style.setProperty(`--${pre}-${propertyName}`, value)
  } else {
    el.style.setProperty(`--${pre}-${propertyName}`, value)
  }
}

export default SetVar

uto-usui

const Clipboard = (text) => {
  let textarea = document.createElement('textarea')
  
  textarea.value = text
  textarea.className = 'js-clip'
  document.body.appendChild(textarea)
  
  textarea.focus()
  textarea.select()
  document.execCommand('copy')

uto-usui

export class Vector2d {
  constructor(x = 0, y = 0) {
    this.x = x
    this.y = y
  }

  // return the angle of the vector in radians
  getDirection() {
    return Math.atan2(this.y, this.x)
  }

uto-usui

const getter = Object.getOwnPropertyDescriptor(
  HTMLElement.prototype,
  'classList',
).get

// Add to classList SVGElement getter
Object.defineProperty(SVGElement.prototype, 'classList', {
  get: getter,
})

uto-usui

const video = document.createElement('video')

const checkVideoType = () => {
  if (video.canPlayType('video/webm') === 'maybe') {
    return 'webm'
  } else if (video.canPlayType('video/mp4') === 'maybe') {
    return 'mp4'
  } else {
    return null
  }

uto-usui

navigator.serviceWorker.getRegistrations().then(function(registrations) {
    for(let registration of registrations) {
        registration.unregister();
    }
});
caches.keys().then(function(keys) {
    var promises = [];
    keys.forEach(function(cacheName) {
        if (cacheName) {
            promises.push(caches.delete(cacheName));

uto-usui

function scrollControl(event) {
  event.preventDefault()
}

function noScroll() {
  document.addEventListener('mousewheel', scroll_control, { passive: false })
  document.addEventListener('touchmove', scroll_control, { passive: false })
}

function returnScroll() {

uto-usui

Inspired by dannyfritz/commit-message-emoji

See also gitmoji.

Commit type	Emoji
Initial commit	🎉 :tada:
Version tag	🔖 :bookmark:
New feature	✨ :sparkles:
Bugfix	🐛 :bug: