vuikit/lib/util/fastdom.js

A responsive Vue UI library for web site interfaces based on UIkit

/**
 * Vuikit 0.8.10
 * (c) 2018 Miljan Aleksic
 * @license MIT
**/

/* Substantial part of the code is adapted from UIkit,
  Copyright (c) 2013-2018 YOOtheme GmbH, getuikit.com */

var fastdom = {
  reads: [],
  writes: [],
  read: function read (task) {
    this.reads.push(task);
    scheduleFlush();
    return task
  },
  write: function write (task) {
    this.writes.push(task);
    scheduleFlush();
    return task
  },
  clear: function clear (task) {
    return remove(this.reads, task) || remove(this.writes, task)
  },
  flush: function flush () {
    runTasks(this.reads);
    runTasks(this.writes.splice(0, this.writes.length));
    this.scheduled = false;
    if (this.reads.length || this.writes.length) {
      scheduleFlush();
    }
  }
};
function scheduleFlush () {
  if (!fastdom.scheduled) {
    fastdom.scheduled = true;
    requestAnimationFrame(fastdom.flush.bind(fastdom));
  }
}
function runTasks (tasks) {
  var task;
  while ((task = tasks.shift())) {
    task();
  }
}
function remove (array, item) {
  var index = array.indexOf(item);
  return !!~index && !!array.splice(index, 1)
}

export { fastdom };