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lookup export type based on package.json type
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@iambumblehead iambumblehead released this 08 Oct 17:40
· 200 commits to main since this release
v2.5.2
647c425
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This release updates the resolver to improve module resolution. See resolvewithplus tags v2.0.6 and v2.0.7.

Essentially, the resolver is updated to lookup the export type based on package.json type. For example, if package.json type is "module", the "import" definition is resolved, else if package.json type is undefined or "commonjs", the "require" definition is resolved. Previous versions of esmock usually reslved commonjs/require when those were defined and because most packages are published as commonjs, the issues resolved at this release likely did not affect anyone,

  • resolve "exports" before "main". The spec says: the "exports" field takes precedence over "main" in supported versions of Node.js. The updated resolver correctly returns "main" before "exports" (older resolver did not).
  • use package.json "type" to return "import" or "require". The older resolver did not read package.json type and returned incorrect "require" values for some packages. For example, if this inferno package where changed to use type "module", the older resolver would return "index.js" rather than "index.esm.js"
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