feat!: migrate tests to node:test and require Node 24#3049
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bennypowers wants to merge 5 commits intonode24/typescript-upgradefrom
Draft
feat!: migrate tests to node:test and require Node 24#3049bennypowers wants to merge 5 commits intonode24/typescript-upgradefrom
bennypowers wants to merge 5 commits intonode24/typescript-upgradefrom
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Combined PR2 (test migration) + PR3 (CJS to ESM): Test migration: - Migrate all test files from mocha/chai to node:test + node:assert - Use --experimental-transform-types --test-force-exit --test-timeout - Fix browser-logs stack trace assertions (regex instead of hardcoded columns) - Split parse5 type imports for Node 24 native type stripping - Add import type to all type-only imports/exports for verbatimModuleSyntax compat CJS to ESM: - Add "type": "module" to all TypeScript packages - Update exports to use "default" condition - Delete index.mjs shim files - Fix CJS interop (import.meta.resolve, createRequire, import.meta.dirname) - Keep JSDoc packages (parse5-utils, config-loader, etc.) as CJS - Strip ESM export keywords from browser-injected scripts - Add .nvmrc (v24.11.1) - Update CI workflows to Node 24 BREAKING CHANGE: Node 24+ is now required. Assisted-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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This was referenced Mar 24, 2026
- Update 21 packages' test scripts from fix/node24 (mocha -> node --test) - Add --test-force-exit --test-timeout --experimental-transform-types flags - Fix remaining .js -> .ts imports in test files - Fix type-only imports (EntrypointBundle, etc.) Note: 8 test-runner packages still use mocha because fix/node24 didn't migrate their browser-based integration tests. Assisted-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Convert remaining .js -> .ts in test file imports - Revert .ts back to .js in test assertion strings (expectIncludes) - Fix GetOutputHTMLParams type-only import Assisted-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
dev-server-import-maps test config referenced ../index.mjs which was deleted. Import from ../dist/index.js instead. Assisted-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
@storybook/preview/globals renamed 'globals' to 'globalPackages' in newer versions. The ESM export doesn't include the old name. Assisted-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
BREAKING CHANGE: Node 24+ is now required. All packages emit ESM output.
Combined test migration (formerly PR2) + CJS-to-ESM (formerly PR3):
Test migration
node:test+node:assert--experimental-transform-types --test-force-exit --test-timeoutimport typeto all type-only imports/exports across ~125 source filesCJS to ESM
"type": "module"to all TypeScript packages"default"condition, remove"module"fieldindex.mjsshim filesimport.meta.resolve,createRequire,import.meta.dirname)exportkeywords from browser-injected scripts.nvmrc(v24.11.1)Stack (3 PRs)
node24/typescript-upgrade-- TypeScript upgrade +.tsimports (chore: upgrade TypeScript to 5.9.3 and enable .ts imports #3043)node24/parse5-and-jsdoc-- parse5 v8 + JSDoc to TS conversions (feat!: migrate parse5 to v8 and convert JSDoc packages to TypeScript #3046)Test plan
npm run buildpasses with zero TS errorsGenerated with Claude Code