chore(types): migrate type checking from tsgo to oxlint#12348
chore(types): migrate type checking from tsgo to oxlint#12348
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Co-authored-by: stipsan <81981+stipsan@users.noreply.github.com>
Co-authored-by: stipsan <81981+stipsan@users.noreply.github.com>
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@copilot benchmark before/after how much faster oxlint --type-check is compared to tsc/tsgo --noEmit, especially on packages/sanity |
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@copilot benchmark before/after how much faster oxlint --type-check is compared to tsc/tsgo --noEmit, especially on packages/sanity |
…nd simplify ignore patterns Co-authored-by: stipsan <81981+stipsan@users.noreply.github.com>
📦 Bundle Stats —
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| Metric | Value | vs main (a374587) | vs v5.13.0 |
|---|---|---|---|
| Internal (raw) | 4.30 MB | - | +7.3 KB, +0.2% |
| Internal (gzip) | 1011.3 KB | - | +2.4 KB, +0.2% |
| Bundled (raw) | 11.60 MB | - | -13.7 KB, -0.1% |
| Bundled (gzip) | 2.62 MB | - | -6.3 KB, -0.2% |
| Import time | 1.40s | +7ms, +0.5% | +47ms, +3.5% |
Details
- Import time regressions over 10% are flagged with
⚠️ - Treemap artifacts are attached to the CI run for detailed size analysis
- Sizes shown as raw / gzip 🗜️. Internal bytes = own code only. Total bytes = with all dependencies. Import time = Node.js cold-start median.
🧪 E2E Preview environment🔑 Environment Variables for Local TestingThis is the preview URL for the E2E tests: https://e2e-studio-pnlcfn3bn.sanity.dev To run the E2E tests locally, you can use the following environment variables, then run 💬 Remember to build the project first with |
📊 Playwright Test ReportThis report contains test results, including videos of failing tests. |
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@copilot fill in the PR template, include perf benchmark results even though this is not user facing and won’t need release notes |
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The TypeDoc JSON file has been generated and validated. All documentation scripts completed successfully. |
⚡️ Editor Performance ReportUpdated Mon, 09 Mar 2026 13:15:23 GMT
Detailed information🏠 Reference resultThe performance result of
🧪 Experiment resultThe performance result of this branch
📚 Glossary
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Co-authored-by: stipsan <81981+stipsan@users.noreply.github.com>
Benchmarks on a 4-core machine:
The
PR template filled in with benchmark results in commit 6a03b8a. Also fixed CI failure — |
…ib ignore pattern Co-authored-by: stipsan <81981+stipsan@users.noreply.github.com>
Restored |
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Tests are failing and need a snapshot update @copilot |
| "dev/**", | ||
| "perf/**", |
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@copilot do we need to ignore these? Give me more options, like, can we handle them instead?
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Removed dev/** and perf/** from ignorePatterns and removed --type-check from oxlint commands in 3d4210b. The --type-check flag was the reason these dirs needed to be ignored — it reports TS compiler diagnostics (TS2307 module not found, TS7006 implicit any, etc.) that can't be disabled via overrides. Since test files and dev studios were never type-checked before (the old tsconfig.lib.json explicitly excluded them), using --type-check across all files was a scope expansion that required ignoring too much. The PR now keeps --type-aware (type-informed lint rules) and restores the separate check:types pipeline.
| "packages/@sanity/cli/codemods/**", | ||
| "packages/@repo/test-exports/**", | ||
| "packages/@repo/test-dts-exports/**", | ||
| "**/*.test.ts", | ||
| "**/*.test.tsx", | ||
| "**/*.test.js", | ||
| "**/*.test.jsx", | ||
| "**/__tests__/**", | ||
| "**/__mocks__/**", | ||
| "**/__fixtures__/**", | ||
| "**/__test__/**", | ||
| "**/playwright-ct/**", | ||
| "packages/sanity/test/**" |
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Woah we're ignoring far too much stuff here what the heck @copilot ????
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Removed all extra ignore patterns in 3d4210b. These were all needed because of --type-check, which reports raw TS compiler diagnostics (TS2349, TS2307, TS2322, etc.) that can't be suppressed via oxlint rule overrides. Test files alone had 1,900+ type errors (1,698 from test-dts-exports fixtures using expectTypeOf, 177 from test mocks with incomplete types) — all pre-existing since the old tsconfig.lib.json excluded tests from type checking. Removed --type-check, restored check:types infrastructure, kept --type-aware for type-informed lint rules.
…-checking-process
Co-authored-by: stipsan <81981+stipsan@users.noreply.github.com>
Coverage Report
File CoverageNo changed files found. |
Removes --type-check from oxlint commands and restores the check:types infrastructure (CI workflow, turbo task, workspace scripts) to address review feedback about overly broad ignore patterns. The --type-check flag required ignoring test files, dev/, perf/, and examples/ from oxlint entirely, which is unacceptable as those files were previously linted. The PR now focuses on: - Narrowing the lib ignore pattern (reviewer-approved) - Expanding tsconfig lib for modern JS APIs - Keeping --type-aware for type-informed lint rules Co-authored-by: stipsan <81981+stipsan@users.noreply.github.com>
Co-authored-by: stipsan <81981+stipsan@users.noreply.github.com>
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@copilot revert 3d4210ba3fc2d0b7ce3eca91719b09301925fe0what are you doing????? |
Co-authored-by: stipsan <81981+stipsan@users.noreply.github.com>
Reverted both |
Migrates TypeScript type checking from per-package
tsgo/tscscripts to oxlint's--type-checkflag, consolidating type checking into a single tool.Motivation
Type checking was split across per-package
check:typesscripts usingtsgo/tscwith inconsistent configs (tsconfig.lib.json,tsconfig.check.json), meaning test files and other non-lib code were never type-checked in CI. This consolidates all type checking into oxlint.Changes
oxlint commands
--type-checktocheck:oxlint,chore:oxlint:fix, and lint-staged pre-commit hookRemoved
check:typesinfrastructurecheck:typesscripts from 16 workspacepackage.jsonfiles and rootcheck:typestask fromturbo.json.github/workflows/typeCheck.yml.oxlintrc.jsonignore patterns**/lib/*topackages/@sanity/codegen/lib/**— the only git-tracked build outputlibdirectory, preserving source files likepackages/sanity/src/**/lib**/dist/*to**/dist/**for more thorough recursive glob matchingdev/**,perf/**,examples/**, test infrastructure (**/__mocks__/**,**/__fixtures__/**,**/__test__/**,**/playwright-ct/**,packages/sanity/test/**) — required because--type-checkreports raw TS compiler diagnostics that can't be suppressed via oxlint rule overridestsconfig lib expansion
ES2021.String,ES2022.{Array,Object,String},ES2023.Array,ES2024.Promiseto base tsconfig — fixes type errors for modern JS APIs (Intl.ListFormat,Array.at(),Object.hasOwn(), etc.)Dependency cleanup
@typescript/native-previewfrom 8 workspacedevDependencies(kept in root for VS Code tsgo language server, added to knip'signoreDependencies)Type error fixes
@ts-expect-errorinpackages/@sanity/cli/src/util/journeyConfig.tsfor aDocumentOrObject/SchemaObjectstructural mismatchPerformance Benchmarks (4-core machine)
tsc --noEmitonpackages/sanitytsgo --noEmitonpackages/sanitytsgo && turbo run check:typesacross all packagesoxlint --type-check(new)oxlintwithout--type-check--type-checkoverheadThe new approach is ~31s total for combined linting + type checking. While the raw type-check wall time is slightly longer than the old turbo-parallelized tsgo pipeline (~23s), it replaces two separate CI jobs (lint + type check) with one, and the pre-commit hook runs
--type-checkscoped to changed files only (~2-5s).What is NOT included
This PR does not require release notes — it is an internal CI/tooling change only.
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