Rewrite in TypeScript and modernize build system#135
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EmilyRagan merged 1 commit intoace-diff:masterfrom Feb 23, 2026
Merged
Rewrite in TypeScript and modernize build system#135EmilyRagan merged 1 commit intoace-diff:masterfrom
EmilyRagan merged 1 commit intoace-diff:masterfrom
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Looks great @TrevorBurnham! We will get reviewed and merged! Also I updated the gh-pages branch ... thanks for the heads up! |
EmilyRagan
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Thank you so much for contributing!
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@TrevorBurnham we just merged #136 to do the file renames. Hopefully this will help preserve file history. Please rebase on that. Thanks! |
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Done! |
EmilyRagan
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Feb 17, 2026
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Sorry for the long delay between reviews! |
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This looks great! Thanks so much for doing this work
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Resolves #125
This PR migrates
ace-difffrom vanilla JavaScript to TypeScript with ES Modules (ESM) as the primary module format, while dual-building as CJS. This is a major version upgrade (v4.0.0) that modernizes the codebase while maintaining API compatibility.Changes
Package Configuration
"type": "module"to enable ESM by default.mjsfor ESM,.cjsfor CJS)sideEffectsfield for better tree-shaking supportace-buildsas a peer dependencyBuild System
TypeScript Configuration
ESNextwithbundlerresolution.d.mtsand.d.cts)Source Code
src/types/)Documentation
Tooling
.prettierrcto.prettierrc.cjsfor ESM compatibilityattw(Are The Types Wrong) checker to CIBreaking Changes
See the README for details.
Testing
pnpm typecheck)pnpm lint)pnpm build)pnpm attw)pnpm test)pnpm dev)Checklist
Next steps
Once this is merged, we should update the documentation site: https://ace-diff.github.io/ace-diff/ That site corresponds to the gh-pages branch, which was last updated in 2018!