2019-01-03 18:34:01 -08:00
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/**
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* Serialize an object
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* @param {Object} obj
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* @return {string}
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*/
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function serialize(obj) {
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if (obj instanceof Text) return '#text';
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if (obj instanceof Element) return `<${obj.localName}>${obj.textContent}`;
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if (obj === document) return 'document';
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2020-03-14 16:25:25 +01:00
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if (typeof obj == 'string') return obj;
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2019-01-03 18:34:01 -08:00
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return Object.prototype.toString.call(obj).replace(/(^\[object |\]$)/g, '');
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}
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2019-01-03 18:55:58 -08:00
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/** @type {string[]} */
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let log = [];
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2019-01-03 18:34:01 -08:00
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/**
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* Modify obj's original method to log calls and arguments on logger object
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* @template T
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* @param {T} obj
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* @param {keyof T} method
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*/
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export function logCall(obj, method) {
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let old = obj[method];
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2023-03-21 14:16:56 -07:00
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obj[method] = function (...args) {
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2019-01-03 18:34:01 -08:00
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let c = '';
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2019-10-29 20:40:58 +01:00
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for (let i = 0; i < args.length; i++) {
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2019-01-03 18:34:01 -08:00
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if (c) c += ', ';
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2019-01-03 18:55:58 -08:00
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c += serialize(args[i]);
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2019-01-03 18:34:01 -08:00
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}
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2019-03-12 07:57:29 +01:00
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2023-06-14 11:14:44 +02:00
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let operation;
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switch (method) {
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case 'insertBefore': {
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if (args[1] === null && args.length === 2) {
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operation = `${serialize(this)}.appendChild(${serialize(args[0])})`;
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} else {
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2024-11-30 02:59:40 -06:00
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operation = `${serialize(this)}.${String(method)}(${c})`;
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2023-06-14 11:14:44 +02:00
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}
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break;
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}
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default: {
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2024-11-30 02:59:40 -06:00
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operation = `${serialize(this)}.${String(method)}(${c})`;
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2023-06-14 11:14:44 +02:00
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break;
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}
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}
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2019-01-03 18:55:58 -08:00
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log.push(operation);
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return old.apply(this, args);
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2019-01-03 18:34:01 -08:00
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};
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2020-11-11 12:25:22 +01:00
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return () => (obj[method] = old);
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2019-01-03 18:34:01 -08:00
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}
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/**
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* Return log object
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2019-01-03 18:55:58 -08:00
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* @return {string[]} log
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2019-01-03 18:34:01 -08:00
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*/
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export function getLog() {
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return log;
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}
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/** Clear log object */
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export function clearLog() {
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2019-01-03 18:55:58 -08:00
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log = [];
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}
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export function getLogSummary() {
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/** @type {{ [key: string]: number }} */
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const summary = {};
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for (let entry of log) {
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summary[entry] = (summary[entry] || 0) + 1;
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}
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return summary;
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2019-01-03 18:34:01 -08:00
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}
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