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denoland-deno/ext/node/polyfills/_http_common.ts
Bartek Iwańczuk d47147fb6a
feat(ext/node): embed std/node into the snapshot (#17724)
This commit moves "deno_std/node" in "ext/node" crate. The code is
transpiled and snapshotted during the build process.

During the first pass a minimal amount of work was done to create the
snapshot, a lot of code in "ext/node" depends on presence of "Deno"
global. This code will be gradually fixed in the follow up PRs to migrate
it to import relevant APIs from "internal:" modules.

Currently the code from snapshot is not used in any way, and all
Node/npm compatibility still uses code from 
"https://deno.land/std/node" (or from the location specified by 
"DENO_NODE_COMPAT_URL"). This will also be handled in a follow 
up PRs.

---------

Co-authored-by: crowlkats <crowlkats@toaxl.com>
Co-authored-by: Divy Srivastava <dj.srivastava23@gmail.com>
Co-authored-by: Yoshiya Hinosawa <stibium121@gmail.com>
2023-02-14 17:38:45 +01:00

29 lines
950 B
TypeScript

// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
// Copyright Joyent and Node contributors. All rights reserved. MIT license.
const tokenRegExp = /^[\^_`a-zA-Z\-0-9!#$%&'*+.|~]+$/;
/**
* Verifies that the given val is a valid HTTP token
* per the rules defined in RFC 7230
* See https://tools.ietf.org/html/rfc7230#section-3.2.6
*/
function checkIsHttpToken(val: string) {
return tokenRegExp.test(val);
}
const headerCharRegex = /[^\t\x20-\x7e\x80-\xff]/;
/**
* True if val contains an invalid field-vchar
* field-value = *( field-content / obs-fold )
* field-content = field-vchar [ 1*( SP / HTAB ) field-vchar ]
* field-vchar = VCHAR / obs-text
*/
function checkInvalidHeaderChar(val: string) {
return headerCharRegex.test(val);
}
export const chunkExpression = /(?:^|\W)chunked(?:$|\W)/i;
export {
checkInvalidHeaderChar as _checkInvalidHeaderChar,
checkIsHttpToken as _checkIsHttpToken,
};