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Spec change: https://github.com/whatwg/fetch/pull/1346
Tests: https://github.com/web-platform-tests/wpt/pull/31442 (ran against
this PR and they all pass)
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Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
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Use `Map` to cache validated HTTP headers. Cache
has a capacity of 4096 elements and it's cleared
once that capacity is reached.
In `preactssr` benchmark it lowers the time spent
when adding headers from 180ms to 2.5ms.
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Towards https://github.com/denoland/deno/issues/19330
Shows about 1% improvement in the HTTP benchmark.
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`ObjectPrototypeHasOwnProperty` (#18952)
ES2022 `Object.hasOwn` can be used in snapshot, so I migrate to use it.
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Creating these options bags is more costly than passing arguments
one-by-one. Especially since `prefix` and `context` are passed to all functions.
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This should produce a little less garbage and using an object here
wasn't really required.
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Co-authored-by: Aapo Alasuutari <aapo.alasuutari@gmail.com>
Co-authored-by: Leo Kettmeir <crowlkats@toaxl.com>
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for snapshotted modules (#18041)
This commit renames "deno_core::InternalModuleLoader" to
"ExtModuleLoader" and changes the specifiers used by the
modules loaded from this loader to "ext:".
"internal:" scheme was really ambiguous and it's more characters than
"ext:", which should result in slightly smaller snapshot size.
Closes https://github.com/denoland/deno/issues/18020
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This PR refactors all internal js files (except core) to be written as
ES modules.
`__bootstrap`has been mostly replaced with static imports in form in
`internal:[path to file from repo root]`.
To specify if files are ESM, an `esm` method has been added to
`Extension`, similar to the `js` method.
A new ModuleLoader called `InternalModuleLoader` has been added to
enable the loading of internal specifiers, which is used in all
situations except when a snapshot is only loaded, and not a new one is
created from it.
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Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
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Yearly tradition of creating extra noise in git.
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Introduces `SafeSetIterator` and `SafeMapIterator` to primordials
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This PR fixes invalid header parsing which is flaky because `g` flag is
being used in the regex, which keeps track of `lastIndex`
```javascript
try {
new Headers([["x", "\u0000x"]]); // error
} catch(e) {}
new Headers([["x", "\u0000x"]]); // no error
```
This issue affects `Response` & `Request` constructors as well
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(#13497)" (#13511)
This reverts commit 884143218fad0e18f7553aaf079d52de703f7601.
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Co-authored-by: Erfan Safari <erfanshield@outlook.com>
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This reverts commit 49ec3d10ad90851f4d28274a3f0fe96c642204ac.
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Reduces self-time by ~70x (~70ms => ~1ms on 1M iters)
for...in filtered by hasOwnProperty yields the same set of keys as Object.keys()
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Use a regex substring match with a first/last char fastpath instead of 2 regex replaces. Roughly ~400x faster (423ms vs 0.7ms in profiled runs)
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Use a single regex to check for `\0`, `\n`, `\r` instead of 3 `String.includes(...)` calls
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Co-authored-by: Luca Casonato <hello@lcas.dev>
Co-authored-by: Yoshiya Hinosawa <stibium121@gmail.com>
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