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Release v4.19.2

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@github-actions github-actions released this 28 Sep 20:44
v4.19.2
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Published JavaScript and declaration files now ship working source maps.

Fixed

  • Source maps survive the build step that rewrites relative ESM import specifiers. Before, every rewritten .js and .d.ts file lost its map. JavaScript maps now embed their original sources, so stack traces and debuggers show the component source. Declaration maps keep go-to-definition working wherever the sources are available, such as linked or monorepo checkouts. The package grows from about 723 KB to about 1.0 MB, all of it source maps; production bundlers ignore them. (#213)
  • A packed-package check verifies the maps of every file the build rewrote: the exact source positions after each edit, that no stale map is left, and TypeScript's go-to-definition. (#213)

Closes #213.

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