| |
|
|
| import type { Span } from '../../../trace' |
|
|
| import { getRspackCore } from '../../../shared/lib/get-rspack' |
|
|
| const pluginName = 'RspackProfilingPlugin' |
| const moduleSpansByCompilation = new WeakMap() |
| export const compilationSpans: WeakMap<any, Span> = new WeakMap() |
|
|
| export class RspackProfilingPlugin { |
| runWebpackSpan: Span |
|
|
| constructor({ runWebpackSpan }: { runWebpackSpan: Span }) { |
| this.runWebpackSpan = runWebpackSpan |
| } |
|
|
| apply(compiler: any) { |
| compiler.hooks.thisCompilation.tap( |
| { name: pluginName, stage: -Infinity }, |
| (compilation: any) => { |
| const rspack = getRspackCore() |
|
|
| moduleSpansByCompilation.set(compilation, new WeakMap()) |
| compilationSpans.set( |
| compilation, |
| this.runWebpackSpan.traceChild('compilation-' + compilation.name) |
| ) |
|
|
| const compilationSpan = this.runWebpackSpan.traceChild( |
| `compilation-${compilation.name}` |
| ) |
|
|
| const moduleHooks = rspack.NormalModule.getCompilationHooks(compilation) |
| moduleHooks.loader.tap( |
| pluginName, |
| (loaderContext: any, module: any) => { |
| const moduleSpan = moduleSpansByCompilation |
| .get(compilation) |
| ?.get(module) |
| loaderContext.currentTraceSpan = moduleSpan |
| } |
| ) |
|
|
| compilation.hooks.buildModule.tap(pluginName, (module: any) => { |
| const span = compilationSpan.traceChild('build-module') |
| span.setAttribute('name', module.userRequest) |
| span.setAttribute('layer', module.layer) |
|
|
| moduleSpansByCompilation?.get(compilation)?.set(module, span) |
| }) |
|
|
| compilation.hooks.succeedModule.tap(pluginName, (module: any) => { |
| moduleSpansByCompilation?.get(compilation)?.get(module)?.stop() |
| }) |
| } |
| ) |
| } |
| } |
|
|
