added utility classes to release
parent
c0373703f8
commit
6e1961c793
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export default class DataUtils {
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//--------------------------
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// constructor
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//--------------------------
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constructor() {}
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//--------------------------
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// methods
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//--------------------------
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imgLoad(url) {
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'use strict';
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// Create new promise with the Promise() constructor;
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// This has as its argument a function with two parameters, resolve and reject
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return new Promise(function(resolve, reject) {
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// Standard XHR to load an image
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var request = new XMLHttpRequest();
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request.open('GET', url);
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request.responseType = 'blob';
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// When the request loads, check whether it was successful
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request.onload = function() {
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if (request.status === 200) {
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// If successful, resolve the promise by passing back the request response
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resolve(request.response);
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} else {
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// If it fails, reject the promise with a error message
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reject(
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new Error(
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"Image didn't load successfully; error code:" + request.statusText
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)
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);
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}
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};
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request.onerror = function() {
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// Also deal with the case when the entire request fails to begin with
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// This is probably a network error, so reject the promise with an appropriate message
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reject(new Error('There was a network error.'));
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};
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// Send the request
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request.send();
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});
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}
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loadImage(src) {
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'use strict';
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let self = this;
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return new Promise(function(resolve, reject) {
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// Get a reference to the body element, and create a new image object
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var myImage = new Image();
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myImage.crossOrigin = ''; // or "anonymous"
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// Call the function with the URL we want to load, but then chain the
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// promise then() method on to the end of it. This contains two callbacks
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self.imgLoad(src).then(
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function(response) {
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// The first runs when the promise resolves, with the request.reponse specified within the resolve() method.
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var imageURL = window.URL.createObjectURL(response);
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resolve(imageURL);
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//$('background-content').setStyle('background-image', 'url('+imageURL+')') //myImage.src = imageURL;
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//console.log(imageURL);
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//body.appendChild(myImage);
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// The second runs when the promise is rejected, and logs the Error specified with the reject() method.
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},
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function(Error) {
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reject(Error);
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}
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);
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});
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}
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/**
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* Create a function to convert the serialize and convert the form data to JSON
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* @param : $('#form_example');
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* @return a JSON Stringify
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*/
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formDataToJSON(form) {
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let object = {};
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let formData = new FormData(form);
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formData.forEach((value, key) => {
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if (!object.hasOwnProperty(key)) {
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object[key] = value;
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return;
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}
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if (!Array.isArray(object[key])) {
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object[key] = [object[key]];
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}
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object[key].push(value);
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});
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//let json = JSON.stringify(object);
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return object;
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}
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//--------------------------
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// event handlers
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//--------------------------
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}
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@ -0,0 +1,68 @@
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class StringUtils {
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//--------------------------
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// constructor
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//--------------------------
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constructor() {}
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//--------------------------
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// methods
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//--------------------------
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cleanString(string) {
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var clean = string
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.replace(/(^\-+|[^a-zA-Z0-9\/_| -]+|\-+$)/g, '')
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.toLowerCase()
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.replace(/[\/_| -]+/g, '-');
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return clean;
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}
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decodeHTML(string, quote_style) {
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var optTemp = 0,
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i = 0,
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noquotes = false;
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if (typeof quote_style === 'undefined') {
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quote_style = 2;
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}
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string = string
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.toString()
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.replace(/</g, '<')
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.replace(/>/g, '>');
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var OPTS = {
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ENT_NOQUOTES: 0,
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ENT_HTML_QUOTE_SINGLE: 1,
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ENT_HTML_QUOTE_DOUBLE: 2,
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ENT_COMPAT: 2,
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ENT_QUOTES: 3,
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ENT_IGNORE: 4
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};
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if (quote_style === 0) {
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noquotes = true;
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}
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if (typeof quote_style !== 'number') {
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// Allow for a single string or an array of string flags
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quote_style = [].concat(quote_style);
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for (i = 0; i < quote_style.length; i++) {
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// Resolve string input to bitwise e.g. 'PATHINFO_EXTENSION' becomes 4
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if (OPTS[quote_style[i]] === 0) {
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noquotes = true;
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} else if (OPTS[quote_style[i]]) {
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optTemp = optTemp | OPTS[quote_style[i]];
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}
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}
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quote_style = optTemp;
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}
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if (quote_style & OPTS.ENT_HTML_QUOTE_SINGLE) {
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string = string.replace(/�*39;/g, "'"); // PHP doesn't currently escape if more than one 0, but it should
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// string = string.replace(/'|�*27;/g, "'"); // This would also be useful here, but not a part of PHP
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}
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if (!noquotes) {
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string = string.replace(/"/g, '"');
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}
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// Put this in last place to avoid escape being double-decoded
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string = string.replace(/&/g, '&');
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return string;
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}
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//--------------------------
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// event handlers
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//--------------------------
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}
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export default StringUtils;
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