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const repository = Symbol('repository')

class Dict {
    constructor(props) {
        if (typeof props !== 'object') {
            throw new Error(
                `Props must be an object, you passed ${typeof props} ${props}.`
            )
        }
        Object.freeze(props)

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/* withAttr.jsx */
import React from 'react'

const withAttr = (Component) => ({attrs, ...props}) => <Component {...attrs} {...props} />

export default withAttr


/* example.jsx */
import React from 'react'

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// Type definitions for workbox-sw 3.2
// Project: https://github.com/GoogleChrome/workbox
// Definitions by: Frederik Wessberg <https://github.com/wessberg>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
// TypeScript Version: 2.6

/**
 * ===== BroadcastCacheUpdate =====
 */

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<style>
  .container {
    display: flex;
    flex-direction: row;
    height: 1000px;
  }
  .item {
    flex: 1;
  }
</style>

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import { useState, useEffect } from 'preact/hooks'
// or
import { useState, useEffect } from 'react'

import { Store } from 'unistore'
// or
import { Store } from 'redux'

const extract = (state: any, key: any) => {
  if (!key) return state

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import chalk from 'chalk';

export const initChalk = ({ error = chalk.redBright, warn = chalk.yellowBright } = {}) => {
  // disable coloring e.g. when piped like `2> err.log`
  if (typeof process !== 'undefined' && !process.stderr.isTTY) {
    return;
  }

  if (error) {
    const defaultError = console.error.bind(console);

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だれ？

(credit: @tomo_e さん)

• Sho Miyamoto / @webseals

• 新卒 2 年目
• ウェブチーム

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// https://github.com/v8/v8/blob/master/test/mjsunit/mjsunit.js#L162-L178
const statuses = {
  IsFunction: 1 << 0,
  NeverOptimize: 1 << 1,
  AlwaysOptimize: 1 << 2,
  MaybeDeopted: 1 << 3,
  Optimized: 1 << 4,
  TurboFanned: 1 << 5,
  Interpreted: 1 << 6,

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const express = require('express')

const sleep = (ms) => new Promise((res, rej) => setTimeout(res, ms))
const sleepSync = (ms) => {
  const start = new Date()
  while (new Date() - start < ms) {}
}

const server = express()

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const run = () => console.log("loop") || requestIdleCallback(run)

run()