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Resolve ATA package versions via package.json - #3695
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Automatic type acquisition fails for any package imported without an exact version, e.g. `import _ from "lodash"`. unpkg answers a tag or range ?meta request with a redirect to the exact version, but that redirect has no Access-Control-Allow-Origin header, so browsers block it as a CORS violation. unpkg's redirects for package files do carry CORS headers, so resolve the exact version from package.json first and only request ?meta for that exact version.
Jake Bailey (jakebailey)
requested a review
from Ryan Cavanaugh (RyanCavanaugh)
November 6, 2026 21:45
Jake Bailey (jakebailey)
enabled auto-merge (squash)
November 6, 2026 21:46
Ryan Cavanaugh (RyanCavanaugh)
approved these changes
Nov 6, 2026
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Automatic type acquisition fails for any package imported without an exact version, e.g.
import _ from "lodash". unpkg answers a tag or range ?meta request with a redirect to the exact version, but that redirect has no Access-Control-Allow-Origin header, so browsers block it as a CORS violation.unpkg's redirects for package files do carry CORS headers, so resolve the exact version from package.json first and only request ?meta for that exact version.