next
Version:
The React Framework
6 lines • 3.32 kB
JavaScript
;exports.__esModule=true;exports.ProfilingPlugin=exports.spans=void 0;var _webpack=require("next/dist/compiled/webpack/webpack");var _trace=require("../../../telemetry/trace");const pluginName='ProfilingPlugin';const spans=new WeakMap();exports.spans=spans;function getNormalModuleLoaderHook(compilation){if(_webpack.isWebpack5){// @ts-ignore TODO: Remove ignore when webpack 5 is stable
return _webpack.webpack.NormalModule.getCompilationHooks(compilation).loader;}return compilation.hooks.normalModuleLoader;}class ProfilingPlugin{constructor(){this.compiler=void 0;}apply(compiler){this.traceTopLevelHooks(compiler);this.traceCompilationHooks(compiler);this.compiler=compiler;}traceHookPair(spanName,startHook,stopHook,attrs,onSetSpan){let span;startHook.tap(pluginName,()=>{span=(0,_trace.stackPush)(this.compiler,spanName,attrs);onSetSpan==null?void 0:onSetSpan(span);});stopHook.tap(pluginName,()=>{// `stopHook` may be triggered when `startHook` has not in cases
// where `stopHook` is used as the terminating event for more
// than one pair of hooks.
if(!span){return;}(0,_trace.stackPop)(this.compiler,span);});}traceLoopedHook(spanName,startHook,stopHook){let span;startHook.tap(pluginName,()=>{if(!span){span=(0,_trace.stackPush)(this.compiler,spanName);}});stopHook.tap(pluginName,()=>{(0,_trace.stackPop)(this.compiler,span);});}traceTopLevelHooks(compiler){this.traceHookPair('webpack-compile',compiler.hooks.compile,compiler.hooks.done,()=>{return{name:compiler.name};},span=>spans.set(compiler,span));this.traceHookPair('webpack-prepare-env',compiler.hooks.environment,compiler.hooks.afterEnvironment);if(compiler.options.mode==='development'){this.traceHookPair('webpack-invalidated',compiler.hooks.invalid,compiler.hooks.done);}}traceCompilationHooks(compiler){if(_webpack.isWebpack5){this.traceHookPair('webpack-compilation',compiler.hooks.beforeCompile,compiler.hooks.afterCompile);}compiler.hooks.compilation.tap(pluginName,compilation=>{compilation.hooks.buildModule.tap(pluginName,module=>{const compilerSpan=spans.get(compiler);if(!compilerSpan){return;}const span=(0,_trace.trace)('build-module',compilerSpan.id);span.setAttribute('name',module.userRequest);spans.set(module,span);});getNormalModuleLoaderHook(compilation).tap(pluginName,(loaderContext,module)=>{const parentSpan=spans.get(module);loaderContext.currentTraceSpan=parentSpan;});compilation.hooks.succeedModule.tap(pluginName,module=>{var _spans$get;(_spans$get=spans.get(module))==null?void 0:_spans$get.stop();});this.traceHookPair('webpack-compilation-chunk-graph',compilation.hooks.beforeChunks,compilation.hooks.afterChunks);this.traceHookPair('webpack-compilation-optimize',compilation.hooks.optimize,compilation.hooks.reviveModules);this.traceLoopedHook('webpack-compilation-optimize-modules',compilation.hooks.optimizeModules,compilation.hooks.afterOptimizeModules);this.traceLoopedHook('webpack-compilation-optimize-chunks',compilation.hooks.optimizeChunks,compilation.hooks.afterOptimizeChunks);this.traceHookPair('webpack-compilation-optimize-tree',compilation.hooks.optimizeTree,compilation.hooks.afterOptimizeTree);this.traceHookPair('webpack-compilation-hash',compilation.hooks.beforeHash,compilation.hooks.afterHash);});}}exports.ProfilingPlugin=ProfilingPlugin;
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