fix(core): use mutable ResponseInit type for RESPONSE_INIT token #66126
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The `RESPONSE_INIT` token previously used `ResponseInit`. However, `@types/node` (and `undici`) definitions for `ResponseInit` mark properties as `readonly`, which differs from the standard DOM `ResponseInit`. This commit introduces a `ResponseInit` type that explicitly removes `readonly` modifiers to ensure compatibility and allow for mutable options. This type is now used by the `RESPONSE_INIT` token and is exported from `@angular/core`.
alan-agius4
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JeanMeche
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Dec 17, 2025
JeanMeche
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Dec 17, 2025
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JeanMeche
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reviewed-for: public-api
I think this is fine for a fix as we're not changing the shape of the object.
alan-agius4
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The
RESPONSE_INITtoken previously usedResponseInit. However,@types/node(andundici) definitions forResponseInitmark properties asreadonly, which differs from the standard DOMResponseInit.This commit introduces a
ResponseInittype that explicitly removesreadonlymodifiers to ensure compatibility and allow for mutable options. This type is now used by theRESPONSE_INITtoken and is exported from@angular/core.Example: angular/angular-cli#32147