// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license. // Copyright Joyent and Node contributors. All rights reserved. MIT license. // TODO(petamoriken): enable prefer-primordials for node polyfills // deno-lint-ignore-file prefer-primordials 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, };