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denoland-deno/ext/fetch
Marcos Casagrande d0525dd692 perf(ext/headers): use regex.test instead of .exec (#20125)
This PR improves the performance of `Headers.get` by using `Regex.test`
instead of `.exec`. Also replaced the `Map` used for caching with an
object which is a bit faster

**This patch**

```
cpu: 13th Gen Intel(R) Core(TM) i9-13900H
runtime: deno 1.36.1 (x86_64-unknown-linux-gnu)

benchmark              time (avg)        iter/s             (min … max)       p75       p99      p995
----------------------------------------------------------------------- -----------------------------
Headers.get           124.71 ns/iter   8,018,687.3 (115.11 ns … 265.66 ns) 126.05 ns 136.12 ns 142.37 ns
```

**1.36.1**

```
cpu: 13th Gen Intel(R) Core(TM) i9-13900H
runtime: deno 1.36.0 (x86_64-unknown-linux-gnu)

benchmark              time (avg)        iter/s             (min … max)       p75       p99      p995
----------------------------------------------------------------------- -----------------------------
Headers.get           218.91 ns/iter   4,568,172.3 (165.37 ns … 264.44 ns) 241.62 ns 260.94 ns 262.67 ns
```

```js
const headers = new Headers({
  "Content-Type": "application/json",
  "Date": "Thu, 10 Aug 2023 07:45:10 GMT",
  "X-Deno": "Deno",
  "Powered-By": "Deno",
  "Content-Encoding": "gzip",
  "Set-Cookie": "__Secure-ID=123; Secure; Domain=example.com",
  "Content-Length": "150",
  "Vary": "Accept-Encoding, Accept, X-Requested-With",
});

Deno.bench("Headers.get", () => {
  headers.get("x-deno");
});
```
2023-08-21 18:23:27 +05:30
..
20_headers.js perf(ext/headers): use regex.test instead of .exec (#20125) 2023-08-21 18:23:27 +05:30
21_formdata.js chore: update deno_lint to 0.46.0 (#19372) 2023-06-05 15:57:01 -04:00
22_body.js chore: update deno_lint to 0.46.0 (#19372) 2023-06-05 15:57:01 -04:00
22_http_client.js refactor: Use ES modules for internal runtime code (#17648) 2023-02-07 20:22:46 +01:00
23_request.js perf(ext/request): optimize Request constructor (#20141) 2023-08-21 18:23:27 +05:30
23_response.js perf: optimize RegExp usage in JS (#19364) 2023-06-05 10:52:40 +02:00
26_fetch.js refactor(ext/fetch): refactor fetch to use new write_error method (#20029) 2023-08-03 14:27:25 -06:00
Cargo.toml 1.36.1 (#20221) 2023-08-21 18:08:38 +05:30
fs_fetch_handler.rs refactor(ext/fetch): Remove FetchRequestBodyResource from FetchHandler interface (#20100) 2023-08-09 10:47:47 -06:00
internal.d.ts refactor: remove remaining references to "flash" server (#18580) 2023-04-04 12:37:56 +02:00
lib.deno_fetch.d.ts fix(dts): make globals available on globalThis (#19438) 2023-07-03 14:36:55 -04:00
lib.rs refactor(ext/fetch): Remove FetchRequestBodyResource from FetchHandler interface (#20100) 2023-08-09 10:47:47 -06:00
README.md Rename extensions/ directory to ext/ (#11643) 2021-08-11 12:27:05 +02:00

deno_fetch

This crate implements the Fetch API.

Spec: https://fetch.spec.whatwg.org/