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fix(@angular/build): cleanup karma temporary directory after process exit #31401

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merged 1 commit into from
Oct 6, 2025
Merged

fix(@angular/build): cleanup karma temporary directory after process exit #31401

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8 changes: 8 additions & 0 deletions packages/angular/build/src/builders/karma/application_builder.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
import type { BuilderContext, BuilderOutput } from '@angular-devkit/architect';
import type { Config, ConfigOptions, FilePattern, InlinePluginDef, Server } from 'karma';
import { randomUUID } from 'node:crypto';
import { rmSync } from 'node:fs';
import * as fs from 'node:fs/promises';
import path from 'node:path';
import { ReadableStream } from 'node:stream/web';
Expand Down Expand Up @@ -104,8 +105,15 @@ async function initializeApplication(
> {
const karma = await import('karma');
const projectSourceRoot = await getProjectSourceRoot(context);

// Setup temporary output path and ensure it is empty
const outputPath = path.join(context.workspaceRoot, 'dist/test-out', randomUUID());
await fs.rm(outputPath, { recursive: true, force: true });
// Setup exit cleanup for temporary directory
const handleProcessExit = () => rmSync(outputPath, { recursive: true, force: true });
process.once('exit', handleProcessExit);
process.once('SIGINT', handleProcessExit);
process.once('uncaughtException', handleProcessExit);

const { buildOptions, mainName } = await setupBuildOptions(
options,
Expand Down