ric-shim/index.js

Shim for requestIdleCallback

/* globals requestIdleCallback, cancelIdleCallback */
var fallback = function (cb) {
  return setTimeout(function () {
    var start = Date.now()
    cb({
      didTimeout: false,
      timeRemaining: function () {
        return Math.max(0, 50 - (Date.now() - start))
      }
    })
  }, 1)
}

var isSupported = (typeof requestIdleCallback !== 'undefined')

module.exports = isSupported ? requestIdleCallback : fallback
module.exports.cancelIdleCallback = isSupported ? cancelIdleCallback : clearTimeout