88 lines
1.9 KiB
JavaScript
88 lines
1.9 KiB
JavaScript
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'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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var _path = require('path');
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var _path2 = _interopRequireDefault(_path);
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var _format = require('./format');
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var _format2 = _interopRequireDefault(_format);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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class Profiler {
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constructor() {
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this.requests = [];
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}
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onRequest(request) {
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if (!request) {
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return;
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}
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// Measure time for last request
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if (this.requests.length) {
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const lastReq = this.requests[this.requests.length - 1];
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if (lastReq.start) {
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lastReq.time = process.hrtime(lastReq.start);
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delete lastReq.start;
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}
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}
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// Ignore requests without any file or loaders
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if (!request.file || !request.loaders.length) {
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return;
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}
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this.requests.push({
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request,
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start: process.hrtime()
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});
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}
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getStats() {
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const loaderStats = {};
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const extStats = {};
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const getStat = (stats, name) => {
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if (!stats[name]) {
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// eslint-disable-next-line no-param-reassign
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stats[name] = {
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count: 0,
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time: [0, 0]
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};
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}
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return stats[name];
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};
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const addToStat = (stats, name, count, time) => {
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const stat = getStat(stats, name);
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stat.count += count;
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stat.time[0] += time[0];
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stat.time[1] += time[1];
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};
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this.requests.forEach(({ request, time = [0, 0] }) => {
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request.loaders.forEach(loader => {
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addToStat(loaderStats, loader, 1, time);
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});
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const ext = request.file && _path2.default.extname(request.file).substr(1);
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addToStat(extStats, ext && ext.length ? ext : 'unknown', 1, time);
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});
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return {
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ext: extStats,
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loader: loaderStats
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};
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}
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getFormattedStats() {
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return (0, _format2.default)(this.getStats());
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}
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}
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exports.default = Profiler;
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