Fix generated TextEncoder#encode() return type
#1158
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Hey! 👋 This PR fixes the auto-generated return type of
TextEncoder#encode(). #1047 updated this function to return ajsg::BufferSource. This generatesArrayBuffer | ArrayBufferViewas the TypeScript type, asjsg::BufferSourceretains the input type when passed back out to JavaScript.TextEnoder::encode()usesBufferSource::tryAlloc()though which always gives aUint8Array:workerd/src/workerd/jsg/buffersource.c++
Line 89 in 2182afd
Therefore, an override has been added to force a
Uint8Arrayreturn type as required by the spec.Fixes #1149