schmidtsonian

//https://stackoverflow.com/a/52357595/2690846
// usage: let frames = await extractFramesFromVideo("https://example.com/video.webm");
async extractFramesFromVideo(videoUrl: string, fps=3) {

    return new Promise(async (resolve) => {

      // fully download it first (no buffering):
      let videoBlob = await fetch(videoUrl).then(r => r.blob());
      let videoObjectUrl = URL.createObjectURL(videoBlob);
      let video = document.createElement('video');

schmidtsonian

/**
 * Creates video and load it
 * @param {Object} videoAttrs - Video element attributes
 * @param {Object} sourceAttrs - Source element attributes
 * @returns {Promise} {elm: video}
 * @example
 * loadVideo({autoPlay: false, controls: true}, {src: 'foo.webm', type: 'video/mp4'})
 *     .then(obj => console.log(obj.elem));
 */
export function loadVideo(videoAttrs, sourceAttrs) {

schmidtsonian

/**
 * Creates and loads a single image
 * @param {Object} attrs - Image element attributes
 * @returns {Promise} {elm: img}
 * @example
 * loadImage({ src: 'foo.jpg', alt: 'foo' })
 * .then(obj => console.log(obj.elem));
 */
export function loadImage(attrs) {

schmidtsonian

// Events class is here: https://gist.github.com/schmidtsonian/8a023034a2f5600b455afd2e2aed7019
import Events from './events';

/**
 * Watcher
 *
 * @class Watcher
 */
export default class Watcher {

schmidtsonian

/**
 * A super-basic Javascript (publish subscribe) pattern
 * https://www.youtube.com/watch?v=nQRXi1SVOow
 * https://gist.github.com/learncodeacademy/777349747d8382bfb722
 *
 * @export
 * @class Events
 */
export default class Events {

schmidtsonian

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

schmidtsonian

loader = {
    // arreglo con ruta de las imágenes
    images: [],
    // Se ejecuta al cargar las imágenes
    onComplete: function(){},
    init: function(){

        
        var self = this, count = 0;
        

schmidtsonian

/**
*
* Verifica si existe la funcion, sino la crea (solo existe en firefox)
*
**/
if(!('contains' in String.prototype)){
	String.prototype.contains = function( str, startIndex ) {
		return -1 !== String.prototype.indexOf.call( this, str, startIndex );
	};
};

schmidtsonian

String.prototype.trunc =
	function( n, useWordBoundary ){
		var toLong = this.length > n,
			s_ = toLong ? this.substr(0,n-1) : this;
			s_ = useWordBoundary && toLong ? s_.substr( 0, s_.lastIndexOf( ' ' ) ) : s_;
		return  toLong ? s_ + ' ...' : s_;
	};
	
	var s = "this is a text"
	s.trunc( "6", true ); // "this ..."

schmidtsonian

var Youtube = (function() {
	'use strict';

	function Youtube( args ) {
		// enforces new
		if (!(this instanceof Youtube)) {
			return new Youtube( args );
		}
		
		this.settings = {