| |
| |
| |
| |
| @@ -229,6 +229,21 @@ describe('app-dir - server source maps - fake frame source maps', () => { |
| }).toEqual({ url: script.url, hasSourceMap: true }) |
| } |
| |
| + if (isTurbopack) { |
| + // The resolver silently falls back to inlining `data:` URLs, so a |
| + // defect in the `file:` URL derivation keeps all behavior-based |
| + // assertions green. Only this assertion catches it. |
| + for (const script of fakeScripts) { |
| + expect({ |
| + url: script.url, |
| + sourceMapURL: script.sourceMapURL, |
| + }).toEqual({ |
| + url: script.url, |
| + sourceMapURL: expect.stringMatching(/^file:/), |
| + }) |
| + } |
| + } |
| + |
| // Resolve each source map like a debugger frontend and map the |
| // padded `_()` call position of each fake function back to its |
| // original source, like clicking the frame in a debugger would. |
| @@ -282,6 +297,88 @@ describe('app-dir - server source maps - fake frame source maps', () => { |
| session.close() |
| } |
| }) |
| + |
| + it('fake stack frames from nested Flight requests are resolvable by an attached debugger', async () => { |
| + // Rendering this page produces fake frame scripts whose frame |
| + // filenames are `file:` URLs rather than file paths. |
| + await next.render('/rsc-error-throw-cached') |
| + |
| + const target = await findServerInspectorTarget() |
| + const session = await CDPSession.connect(target.webSocketDebuggerUrl) |
| + try { |
| + const evalScripts: { |
| + scriptId: string |
| + url: string |
| + sourceMapURL: string |
| + }[] = [] |
| + session.onEvent = (method, params) => { |
| + if (method === 'Debugger.scriptParsed' && params.hasSourceURL) { |
| + evalScripts.push({ |
| + scriptId: params.scriptId, |
| + url: params.url, |
| + sourceMapURL: params.sourceMapURL ?? '', |
| + }) |
| + } |
| + } |
| + await session.send('Debugger.enable', { maxScriptsCacheSize: 1 }) |
| + |
| + await retry(async () => { |
| + expect( |
| + evalScripts.filter((script) => |
| + script.url.startsWith('about://React/Cache/') |
| + ).length |
| + ).toBeGreaterThan(0) |
| + }) |
| + |
| + // React emits a fake frame script under `about://React/` with a |
| + // source map, or, when no source map could be found for it, under |
| + // the frame's raw filename without one. |
| + const fakeScripts = evalScripts.filter( |
| + (script) => |
| + script.url.startsWith('about://React/') || |
| + (script.url.startsWith('file:') && script.sourceMapURL === '') |
| + ) |
| + const mappedSources = new Set<string>() |
| + for (const script of fakeScripts) { |
| + expect({ |
| + url: script.url, |
| + hasSourceMap: script.sourceMapURL !== '', |
| + }).toEqual({ url: script.url, hasSourceMap: true }) |
| + |
| + const { sourceMap, mapURL } = await resolveSourceMapLikeADebugger( |
| + session, |
| + script.url, |
| + script.sourceMapURL |
| + ) |
| + const { scriptSource } = await session.send( |
| + 'Debugger.getScriptSource', |
| + { scriptId: script.scriptId } |
| + ) |
| + const callIndex = scriptSource.indexOf('_()') |
| + if (callIndex === -1) continue |
| + const line = scriptSource.slice(0, callIndex).split('\n').length |
| + const column = |
| + callIndex - (scriptSource.lastIndexOf('\n', callIndex) + 1) |
| + |
| + const consumer = new SourceMap(sourceMap) |
| + const original = consumer.findEntry(line - 1, column) |
| + if (original.originalSource !== undefined) { |
| + mappedSources.add( |
| + mapURL === null |
| + ? original.originalSource |
| + : new URL(original.originalSource, mapURL).href |
| + ) |
| + } |
| + } |
| + |
| + const testDirURL = url.pathToFileURL(fs.realpathSync(next.testDir)) |
| + expect([...mappedSources]).toContain( |
| + `${testDirURL.href}/app/rsc-error-throw-cached/page.js` |
| + ) |
| + } finally { |
| + session.close() |
| + } |
| + }) |
| } else { |
| it('server chunk source maps are resolvable by an attached debugger', async () => { |
| await next.render('/rsc-error-log') |
|
|
