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fix: Fix custom ESM loader for tests within vscode extension #345

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tkislan merged 1 commit into from
Mar 4, 2026
Merged

fix: Fix custom ESM loader for tests within vscode extension #345

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5 changes: 3 additions & 2 deletions build/mocha-esm-loader.js
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ let unittestsModule;
// Get absolute paths for imports in the loader
const __dirname = path.dirname(fileURLToPath(import.meta.url));
const projectRoot = path.join(__dirname, '..');
const projectOutUrl = pathToFileURL(path.join(projectRoot, 'out')).href + '/';
const vscodeMockPath = pathToFileURL(path.join(projectRoot, 'out/test/vscode-mock.js')).href;
const telemetryMockPath = pathToFileURL(path.join(projectRoot, 'out/test/mocks/vsc/telemetryReporter.js')).href;

Expand Down Expand Up @@ -421,9 +422,9 @@ export async function load(url, context, nextLoad) {
// If URL parsing fails, fall through to other handlers
}

// For .js files in the out/ directory, inject CJS globals shims
// For .js files in the project's out/ directory, inject CJS globals shims
// This is needed because source files use native __dirname, __filename, require which don't exist in ESM
if (url.startsWith('file://') && url.includes('/out/') && url.endsWith('.js')) {
if (url.startsWith(projectOutUrl) && url.endsWith('.js')) {
const filePath = fileURLToPath(url);
const fs = await import('node:fs/promises');
const source = await fs.readFile(filePath, 'utf8');
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