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115 lines
4.7 KiB
115 lines
4.7 KiB
/*
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* Load Assets
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* @author Robert Strutts
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* @copyright 2019
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* @license MIT
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*/
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var assets_loaded_once = [];
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tts.AddAssetCachedFile = function (full_file) {
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assets_loaded_once.push(full_file);
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};
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/**
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* Get an StyleSheet/Script
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* @param {Object} source - CSS/JavaScript File with Options
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* @param {Object} options - element to use, etc...
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* @returns {Promise}
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*/
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tts.getAsset = (source, options) => {
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if (typeof options === "undefined") {
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options = {};
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}
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return new Promise((resolve, reject) => {
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var defaults_caching = tts.getValue(DO_CACHE_ON_ASSETS, true);
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var file = source.name, kind = file.split('.').pop(), doCache = tts.getValue(source.useCache, defaults_caching);
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var full_file = tts.getValue(source.path, "") + file;
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var ts = tts.getValue(source.ts, "");
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var has_loaded = (assets_loaded_once.indexOf(full_file) === -1) ? false : true;
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if (has_loaded) {
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resolve("Already Loaded..." + full_file);
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} else {
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assets_loaded_once.push(full_file);
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switch (kind) {
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case 'css':
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var dataType = tts.getValue(source.dataType, "text/css"), style = document.createElement('style');
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var elm = tts.getValue(options.element, document.getElementsByTagName('style')[0] || document.getElementsByTagName('head')[0]);
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var loaded = tts.ajax(full_file, {dataType: "text/css", useCache: doCache, ts: ts});
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loaded.then(function (code) {
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style.type = dataType;
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style.innerText = code;
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elm.parentNode.insertBefore(style, elm.nextSibling);
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setTimeout(function () {
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resolve();
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}, 12);
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});
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loaded.catch(function (e) {
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reject(e);
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});
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break;
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default:
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var dataType = tts.getValue(source.dataType, "text/javascript");
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var script = document.createElement('script');
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var elm = tts.getValue(options.element, document.getElementsByTagName('script')[0] || document.getElementsByTagName('head')[0]);
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var loaded = tts.ajax(full_file, {dataType: "text/javascript", useCache: doCache, ts: ts});
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loaded.then(function (code) {
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script.type = dataType;
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script.text = code;
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elm.parentNode.insertBefore(script, elm);
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setTimeout(function () {
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resolve();
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}, 12);
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});
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loaded.catch(function (e) {
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reject(e);
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});
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break;
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}
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}
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});
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};
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/** Useage: to combine options on each Asset for use with getMultiAssets.
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* Updates the sources Array/Objects with new data from Options.....as it is passed by Reference!!!
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* @param {Array of Objects} sources - CSS/JavaScript File with Options
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* @param {Array of Objects} options - path, useCache, dataType...
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*/
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tts.mergeOptions = function (sources, options) {
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let keys = Object.keys(options);
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for (let key of keys) {
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for (var x = 0; x < sources.length; x++) {
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if (typeof sources[x][key] === 'undefined') {
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sources[x][key] = options[key];
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}
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}
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}
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};
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/**
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*
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* @param {Array of Objects} sources - CSS/JavaScript File with Options
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* @param {Object} options - element to apply to, etc...
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* @returns {Promise} - All done will all Files.
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*/
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tts.getMultiAssets = (sources, options) => {
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if (typeof options === "undefined") {
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options = {};
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}
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var prArr = [];
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sources.forEach(function (source) {
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(function (source) {
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prArr.push(new Promise(function (resolve, reject) {
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tts.getAsset(source, options).then(function () {
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resolve();
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}).catch(function (e) {
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reject(e);
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});
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}));
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})(source);
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});
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return Promise.all(prArr, function () {
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return true;
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});
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};
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/*
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* End of Assets
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*/
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