90 lines
2.4 KiB
TypeScript
90 lines
2.4 KiB
TypeScript
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/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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urlParamsToForm();
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export function getIntParameter(name: string) {
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return parseInt(getStringParameter(name), 10);
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}
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export function getStringParameter(name: string) {
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var els = document.querySelectorAll(`input[name="${name}"]`);
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var value: any;
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var el: any;
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for (var i = 0; i < els.length; i++) {
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el = els[i];
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var type = el.type;
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if ((type != 'radio' && type != 'checkbox') || el.checked) {
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value = el.value;
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break;
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}
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}
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if (value == null) {
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throw new Error(`Could not find and input field with name ${name}`);
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}
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return value;
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}
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export function bindAction(selector: string, callback: () => void) {
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document.querySelector(selector).addEventListener('click', callback);
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}
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export function profile(create: () => void, destroy: () => void, name: string) {
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return function() {
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window.console.profile(name + ' w GC');
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var duration = 0;
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var count = 0;
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while (count++ < 150) {
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(<any>window)['gc']();
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var start = window.performance.now();
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create();
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duration += window.performance.now() - start;
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destroy();
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}
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window.console.profileEnd();
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window.console.log(`Iterations: ${count}; time: ${duration / count} ms / iteration`);
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window.console.profile(name + ' w/o GC');
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duration = 0;
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count = 0;
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while (count++ < 150) {
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var start = window.performance.now();
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create();
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duration += window.performance.now() - start;
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destroy();
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}
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window.console.profileEnd();
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window.console.log(`Iterations: ${count}; time: ${duration / count} ms / iteration`);
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};
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}
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// helper script that will read out the url parameters
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// and store them in appropriate form fields on the page
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function urlParamsToForm() {
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var regex = /(\w+)=(\w+)/g;
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var search = decodeURIComponent(location.search);
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var match: any[];
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while (match = regex.exec(search)) {
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var name = match[1];
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var value = match[2];
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var els = document.querySelectorAll('input[name="' + name + '"]');
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var el: any;
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for (var i = 0; i < els.length; i++) {
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el = els[i];
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if (el.type === 'radio' || el.type === 'checkbox') {
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el.checked = el.value === value;
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} else {
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el.value = value;
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}
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}
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}
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}
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