273 lines
13 KiB
JavaScript
273 lines
13 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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0 && (module.exports = {
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spans: null,
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webpackInvalidSpans: null,
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ProfilingPlugin: null
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});
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function _export(target, all) {
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for(var name in all)Object.defineProperty(target, name, {
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enumerable: true,
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get: all[name]
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});
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}
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_export(exports, {
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spans: function() {
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return spans;
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},
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webpackInvalidSpans: function() {
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return webpackInvalidSpans;
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},
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ProfilingPlugin: function() {
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return ProfilingPlugin;
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}
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});
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const _webpack = require("next/dist/compiled/webpack/webpack");
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const pluginName = "ProfilingPlugin";
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const spans = new WeakMap();
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const moduleSpansByCompilation = new WeakMap();
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const makeSpanByCompilation = new WeakMap();
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const sealSpanByCompilation = new WeakMap();
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const webpackInvalidSpans = new WeakMap();
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const TRACE_LABELS_SEAL = [
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"module assets",
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"create chunk assets",
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"asset render",
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"asset emit",
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"store asset"
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];
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function inTraceLabelsSeal(label) {
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return TRACE_LABELS_SEAL.some((l)=>label.startsWith(l));
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}
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class ProfilingPlugin {
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constructor({ runWebpackSpan }){
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this.runWebpackSpan = runWebpackSpan;
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}
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apply(compiler) {
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this.traceTopLevelHooks(compiler);
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this.traceCompilationHooks(compiler);
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this.compiler = compiler;
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}
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traceHookPair(spanName, startHook, stopHook, { parentSpan, attrs, onStart, onStop } = {}) {
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let span;
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startHook.tap({
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name: pluginName,
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stage: -Infinity
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}, (...params)=>{
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const name = typeof spanName === "function" ? spanName() : spanName;
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const attributes = attrs ? attrs(...params) : attrs;
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span = parentSpan ? parentSpan(...params).traceChild(name, attributes) : this.runWebpackSpan.traceChild(name, attributes);
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if (onStart) onStart(span, ...params);
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});
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stopHook.tap({
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name: pluginName,
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stage: Infinity
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}, (...params)=>{
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// `stopHook` may be triggered when `startHook` has not in cases
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// where `stopHook` is used as the terminating event for more
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// than one pair of hooks.
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if (!span) {
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return;
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}
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if (onStop) onStop(span, ...params);
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span.stop();
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});
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}
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traceTopLevelHooks(compiler) {
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this.traceHookPair("webpack-compilation", compiler.hooks.compilation, compiler.hooks.afterCompile, {
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parentSpan: ()=>webpackInvalidSpans.get(compiler) || this.runWebpackSpan,
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attrs: ()=>({
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name: compiler.name
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}),
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onStart: (span, compilation)=>{
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spans.set(compilation, span);
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spans.set(compiler, span);
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moduleSpansByCompilation.set(compilation, new WeakMap());
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}
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});
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if (compiler.options.mode === "development") {
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this.traceHookPair(()=>`webpack-invalidated-${compiler.name}`, compiler.hooks.invalid, compiler.hooks.done, {
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onStart: (span)=>webpackInvalidSpans.set(compiler, span),
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onStop: ()=>webpackInvalidSpans.delete(compiler),
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attrs: (fileName)=>({
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trigger: fileName || "manual"
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})
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});
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}
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}
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traceCompilationHooks(compiler) {
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this.traceHookPair("emit", compiler.hooks.emit, compiler.hooks.afterEmit, {
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parentSpan: ()=>webpackInvalidSpans.get(compiler) || this.runWebpackSpan
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});
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this.traceHookPair("make", compiler.hooks.make, compiler.hooks.finishMake, {
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parentSpan: (compilation)=>{
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const compilationSpan = spans.get(compilation);
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if (!compilationSpan) {
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return webpackInvalidSpans.get(compiler) || this.runWebpackSpan;
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}
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return compilationSpan;
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},
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onStart: (span, compilation)=>{
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makeSpanByCompilation.set(compilation, span);
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},
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onStop: (_span, compilation)=>{
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makeSpanByCompilation.delete(compilation);
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}
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});
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compiler.hooks.compilation.tap({
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name: pluginName,
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stage: -Infinity
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}, (compilation)=>{
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compilation.hooks.buildModule.tap(pluginName, (module1)=>{
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var _compilation_moduleGraph;
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const moduleType = (()=>{
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if (!module1.userRequest) {
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return "";
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}
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return module1.userRequest.split(".").pop();
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})();
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const issuerModule = compilation == null ? void 0 : (_compilation_moduleGraph = compilation.moduleGraph) == null ? void 0 : _compilation_moduleGraph.getIssuer(module1);
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let span;
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const moduleSpans = moduleSpansByCompilation.get(compilation);
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const spanName = `build-module${moduleType ? `-${moduleType}` : ""}`;
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const issuerSpan = issuerModule && (moduleSpans == null ? void 0 : moduleSpans.get(issuerModule));
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if (issuerSpan) {
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span = issuerSpan.traceChild(spanName);
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} else {
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let parentSpan;
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for (const incomingConnection of compilation.moduleGraph.getIncomingConnections(module1)){
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const entrySpan = spans.get(incomingConnection.dependency);
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if (entrySpan) {
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parentSpan = entrySpan;
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break;
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}
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}
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if (!parentSpan) {
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const compilationSpan = spans.get(compilation);
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if (!compilationSpan) {
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return;
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}
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parentSpan = compilationSpan;
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}
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span = parentSpan.traceChild(spanName);
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}
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span.setAttribute("name", module1.userRequest);
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span.setAttribute("layer", module1.layer);
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moduleSpans.set(module1, span);
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});
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const moduleHooks = _webpack.NormalModule.getCompilationHooks(compilation);
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moduleHooks.readResource.for(undefined).intercept({
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register (tapInfo) {
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const fn = tapInfo.fn;
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tapInfo.fn = (loaderContext, callback)=>{
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const moduleSpan = loaderContext.currentTraceSpan.traceChild(`read-resource`);
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fn(loaderContext, (err, result)=>{
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moduleSpan.stop();
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callback(err, result);
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});
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};
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return tapInfo;
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}
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});
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moduleHooks.loader.tap(pluginName, (loaderContext, module1)=>{
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var _moduleSpansByCompilation_get;
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const moduleSpan = (_moduleSpansByCompilation_get = moduleSpansByCompilation.get(compilation)) == null ? void 0 : _moduleSpansByCompilation_get.get(module1);
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loaderContext.currentTraceSpan = moduleSpan;
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});
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compilation.hooks.succeedModule.tap(pluginName, (module1)=>{
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var _moduleSpansByCompilation_get_get, _moduleSpansByCompilation_get;
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moduleSpansByCompilation == null ? void 0 : (_moduleSpansByCompilation_get = moduleSpansByCompilation.get(compilation)) == null ? void 0 : (_moduleSpansByCompilation_get_get = _moduleSpansByCompilation_get.get(module1)) == null ? void 0 : _moduleSpansByCompilation_get_get.stop();
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});
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compilation.hooks.failedModule.tap(pluginName, (module1)=>{
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var _moduleSpansByCompilation_get_get, _moduleSpansByCompilation_get;
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moduleSpansByCompilation == null ? void 0 : (_moduleSpansByCompilation_get = moduleSpansByCompilation.get(compilation)) == null ? void 0 : (_moduleSpansByCompilation_get_get = _moduleSpansByCompilation_get.get(module1)) == null ? void 0 : _moduleSpansByCompilation_get_get.stop();
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});
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this.traceHookPair("seal", compilation.hooks.seal, compilation.hooks.afterSeal, {
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parentSpan: ()=>spans.get(compilation),
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onStart (span) {
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sealSpanByCompilation.set(compilation, span);
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},
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onStop () {
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sealSpanByCompilation.delete(compilation);
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}
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});
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compilation.hooks.addEntry.tap(pluginName, (entry)=>{
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const parentSpan = makeSpanByCompilation.get(compilation) || spans.get(compilation);
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if (!parentSpan) {
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return;
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}
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const addEntrySpan = parentSpan.traceChild("add-entry");
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addEntrySpan.setAttribute("request", entry.request);
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spans.set(entry, addEntrySpan);
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});
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compilation.hooks.succeedEntry.tap(pluginName, (entry)=>{
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var _spans_get;
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(_spans_get = spans.get(entry)) == null ? void 0 : _spans_get.stop();
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spans.delete(entry);
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});
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compilation.hooks.failedEntry.tap(pluginName, (entry)=>{
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var _spans_get;
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(_spans_get = spans.get(entry)) == null ? void 0 : _spans_get.stop();
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spans.delete(entry);
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});
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this.traceHookPair("chunk-graph", compilation.hooks.beforeChunks, compilation.hooks.afterChunks, {
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parentSpan: ()=>sealSpanByCompilation.get(compilation) || spans.get(compilation)
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});
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this.traceHookPair("optimize", compilation.hooks.optimize, compilation.hooks.reviveModules, {
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parentSpan: ()=>sealSpanByCompilation.get(compilation) || spans.get(compilation)
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});
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this.traceHookPair("optimize-modules", compilation.hooks.optimizeModules, compilation.hooks.afterOptimizeModules, {
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parentSpan: ()=>sealSpanByCompilation.get(compilation) || spans.get(compilation)
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});
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this.traceHookPair("optimize-chunks", compilation.hooks.optimizeChunks, compilation.hooks.afterOptimizeChunks, {
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parentSpan: ()=>sealSpanByCompilation.get(compilation) || spans.get(compilation)
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});
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this.traceHookPair("optimize-tree", compilation.hooks.optimizeTree, compilation.hooks.afterOptimizeTree, {
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parentSpan: ()=>sealSpanByCompilation.get(compilation) || spans.get(compilation)
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});
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this.traceHookPair("optimize-chunk-modules", compilation.hooks.optimizeChunkModules, compilation.hooks.afterOptimizeChunkModules, {
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parentSpan: ()=>sealSpanByCompilation.get(compilation) || spans.get(compilation)
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});
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this.traceHookPair("module-hash", compilation.hooks.beforeModuleHash, compilation.hooks.afterModuleHash, {
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parentSpan: ()=>sealSpanByCompilation.get(compilation) || spans.get(compilation)
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});
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this.traceHookPair("code-generation", compilation.hooks.beforeCodeGeneration, compilation.hooks.afterCodeGeneration, {
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parentSpan: ()=>sealSpanByCompilation.get(compilation) || spans.get(compilation)
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});
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this.traceHookPair("hash", compilation.hooks.beforeHash, compilation.hooks.afterHash, {
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parentSpan: ()=>sealSpanByCompilation.get(compilation) || spans.get(compilation)
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});
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this.traceHookPair("code-generation-jobs", compilation.hooks.afterHash, compilation.hooks.beforeModuleAssets, {
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parentSpan: ()=>sealSpanByCompilation.get(compilation) || spans.get(compilation)
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});
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const logs = new Map();
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const originalTime = compilation.logger.time;
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const originalTimeEnd = compilation.logger.timeEnd;
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compilation.logger.time = (label)=>{
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if (!inTraceLabelsSeal(label)) {
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return originalTime.call(compilation.logger, label);
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}
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const span = sealSpanByCompilation.get(compilation);
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if (span) {
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logs.set(label, span.traceChild(label.replace(/ /g, "-")));
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}
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return originalTime.call(compilation.logger, label);
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};
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compilation.logger.timeEnd = (label)=>{
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if (!inTraceLabelsSeal(label)) {
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return originalTimeEnd.call(compilation.logger, label);
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}
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const span = logs.get(label);
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if (span) {
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span.stop();
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logs.delete(label);
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}
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return originalTimeEnd.call(compilation.logger, label);
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};
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});
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}
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}
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//# sourceMappingURL=profiling-plugin.js.map
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