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On some files that are missing duration, parsing metadata is very slow.

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node_modules

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var Nanocomponent = require('nanocomponent')
var html = require('bel')
var onIdle = require('on-idle')
var url = require('url')

var TwitterWidgetsLoader = {
  src: '//platform.twitter.com/widgets.js',
  loading: false,
  listeners: [],
  interval: 50,

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Dom Event scheduling

<yoshuawuyts> bret: the order of resolution per tick is:
16:18 bret: 1. microtasks; they're part of promises and mutationobservers but you can hook into them. See https://github.com/yoshuawuyts/nanotask
16:18 bret: 2. setTimeout(cb, 0) calls
16:18 bret: 3. requestAnimationFrame() calls
16:19 <bret> Bret Comnes is that all of them?
16:19 <yoshuawuyts> bret: now this is where it gets tricky. If there is any rendering, it'll happen now. If there is none, setTimeout() and RAF will resolve _again_ on the same tick. Not sure about microtasks but suspect them too
16:19 bret: but assuming we modified the dom:
16:20 bret: 4. the render pipeline triggers here. E.g. paints and reflows

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Yoshua Wuyts	9:36 AM
https://github.com/Drakulix/fireplace
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var from = require('from2')

exports.fromBuffer = fromBuffer

function fromBuffer (buffer) {
  return from(function (size, next) {
    if (buffer.length <= 0) return next(null, null)
    var chunk = buffer.slice(0, size)
    buffer = buffer.slice(size)
    next(null, chunk)

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node_modules

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node_modules
yarn.lock
package-lock.json

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module.exports = {
  use: [
    'autoprefixer',
    'postcss-import',
    'postcss-url',
    'postcss-browser-reporter',
    'postcss-reporter'
  ],
  input: 'index.css',
  output: 'dist/bundle.css',