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Bump @babel/core, @babel/plugin-transform-class-properties, @babel/preset-env, dotenv, and prettier to latest minor versions. Update @rollup/plugin-babel to v7 and typescript to v6. Fix TS 6 breaking changes: explicit moduleResolution "node10" with ignoreDeprecations flag, and explicit rootDir for declarations.
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Pull request overview
This PR updates the project’s JavaScript/TypeScript toolchain dependencies (Babel, Rollup plugin, TypeScript, dotenv, Prettier) and adjusts TypeScript configuration to accommodate the upgraded compiler/tooling.
Changes:
- Bumped multiple devDependencies including Babel packages, dotenv, Prettier, TypeScript, and
@rollup/plugin-babel. - Updated
tsconfig.jsonto usemoduleResolution: node10and addedignoreDeprecations. - Updated declaration build config to set an explicit
rootDirfor type emission.
Reviewed changes
Copilot reviewed 2 out of 4 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
package.json |
Updates toolchain/dev dependency versions (Babel, Rollup Babel plugin, dotenv, Prettier, TypeScript). |
yarn.lock |
Lockfile updates reflecting the dependency upgrades. |
tsconfig.json |
Adjusts module resolution and deprecation handling for the TypeScript upgrade. |
tsconfig-declarations.json |
Tweaks declaration generation output behavior by setting rootDir. |
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edorivai
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Apr 2, 2026
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edorivai
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LGTM.
Note to ourselves; maybe it's time to migrate back to npm from yarn. Also I think it's better to not use lockfiles for libraries like this.
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Summary
@babel/core,@babel/plugin-transform-class-properties,@babel/preset-env,dotenv, andprettierto latest minor versions@rollup/plugin-babelfrom v6 to v7 (only drops Rollup 1 support, no other breaking changes)typescriptfrom v5 to v6moduleResolution: "node10"withignoreDeprecationsflag, and explicitrootDirfor declaration buildsTest plan
yarn buildpassesyarn testpasses (53 suites, 160 tests)