diff options
Diffstat (limited to 'extensions/web/00_infra.js')
| -rw-r--r-- | extensions/web/00_infra.js | 264 |
1 files changed, 0 insertions, 264 deletions
diff --git a/extensions/web/00_infra.js b/extensions/web/00_infra.js deleted file mode 100644 index 7c065bcd3..000000000 --- a/extensions/web/00_infra.js +++ /dev/null @@ -1,264 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. - -// @ts-check -/// <reference path="../../core/internal.d.ts" /> -/// <reference path="../../core/lib.deno_core.d.ts" /> -/// <reference path="../web/internal.d.ts" /> -/// <reference path="../web/lib.deno_web.d.ts" /> - -"use strict"; - -((window) => { - const core = Deno.core; - const { - RegExp, - ArrayPrototypeMap, - StringPrototypeCharCodeAt, - NumberPrototypeToString, - StringPrototypePadStart, - TypeError, - ArrayPrototypeJoin, - StringPrototypeCharAt, - StringPrototypeSlice, - String, - StringPrototypeReplace, - StringPrototypeToUpperCase, - StringPrototypeToLowerCase, - StringPrototypeSubstring, - } = window.__bootstrap.primordials; - - const ASCII_DIGIT = ["\u0030-\u0039"]; - const ASCII_UPPER_ALPHA = ["\u0041-\u005A"]; - const ASCII_LOWER_ALPHA = ["\u0061-\u007A"]; - const ASCII_ALPHA = [...ASCII_UPPER_ALPHA, ...ASCII_LOWER_ALPHA]; - const ASCII_ALPHANUMERIC = [...ASCII_DIGIT, ...ASCII_ALPHA]; - - const HTTP_TAB_OR_SPACE = ["\u0009", "\u0020"]; - const HTTP_WHITESPACE = ["\u000A", "\u000D", ...HTTP_TAB_OR_SPACE]; - - const HTTP_TOKEN_CODE_POINT = [ - "\u0021", - "\u0023", - "\u0024", - "\u0025", - "\u0026", - "\u0027", - "\u002A", - "\u002B", - "\u002D", - "\u002E", - "\u005E", - "\u005F", - "\u0060", - "\u007C", - "\u007E", - ...ASCII_ALPHANUMERIC, - ]; - const HTTP_TOKEN_CODE_POINT_RE = new RegExp( - `^[${regexMatcher(HTTP_TOKEN_CODE_POINT)}]+$`, - ); - const HTTP_QUOTED_STRING_TOKEN_POINT = [ - "\u0009", - "\u0020-\u007E", - "\u0080-\u00FF", - ]; - const HTTP_QUOTED_STRING_TOKEN_POINT_RE = new RegExp( - `^[${regexMatcher(HTTP_QUOTED_STRING_TOKEN_POINT)}]+$`, - ); - const HTTP_TAB_OR_SPACE_MATCHER = regexMatcher(HTTP_TAB_OR_SPACE); - const HTTP_TAB_OR_SPACE_PREFIX_RE = new RegExp( - `^[${HTTP_TAB_OR_SPACE_MATCHER}]+`, - "g", - ); - const HTTP_TAB_OR_SPACE_SUFFIX_RE = new RegExp( - `[${HTTP_TAB_OR_SPACE_MATCHER}]+$`, - "g", - ); - const HTTP_WHITESPACE_MATCHER = regexMatcher(HTTP_WHITESPACE); - const HTTP_WHITESPACE_PREFIX_RE = new RegExp( - `^[${HTTP_WHITESPACE_MATCHER}]+`, - "g", - ); - const HTTP_WHITESPACE_SUFFIX_RE = new RegExp( - `[${HTTP_WHITESPACE_MATCHER}]+$`, - "g", - ); - - /** - * Turn a string of chars into a regex safe matcher. - * @param {string[]} chars - * @returns {string} - */ - function regexMatcher(chars) { - const matchers = ArrayPrototypeMap(chars, (char) => { - if (char.length === 1) { - const a = StringPrototypePadStart( - NumberPrototypeToString(StringPrototypeCharCodeAt(char, 0), 16), - 4, - "0", - ); - return `\\u${a}`; - } else if (char.length === 3 && char[1] === "-") { - const a = StringPrototypePadStart( - NumberPrototypeToString(StringPrototypeCharCodeAt(char, 0), 16), - 4, - "0", - ); - const b = StringPrototypePadStart( - NumberPrototypeToString(StringPrototypeCharCodeAt(char, 2), 16), - 4, - "0", - ); - return `\\u${a}-\\u${b}`; - } else { - throw TypeError("unreachable"); - } - }); - return ArrayPrototypeJoin(matchers, ""); - } - - /** - * https://infra.spec.whatwg.org/#collect-a-sequence-of-code-points - * @param {string} input - * @param {number} position - * @param {(char: string) => boolean} condition - * @returns {{result: string, position: number}} - */ - function collectSequenceOfCodepoints(input, position, condition) { - const start = position; - for ( - let c = StringPrototypeCharAt(input, position); - position < input.length && condition(c); - c = StringPrototypeCharAt(input, ++position) - ); - return { result: StringPrototypeSlice(input, start, position), position }; - } - - /** - * @param {string} s - * @returns {string} - */ - function byteUpperCase(s) { - return StringPrototypeReplace( - String(s), - /[a-z]/g, - function byteUpperCaseReplace(c) { - return StringPrototypeToUpperCase(c); - }, - ); - } - - /** - * @param {string} s - * @returns {string} - */ - function byteLowerCase(s) { - return StringPrototypeReplace( - String(s), - /[A-Z]/g, - function byteUpperCaseReplace(c) { - return StringPrototypeToLowerCase(c); - }, - ); - } - - /** - * https://fetch.spec.whatwg.org/#collect-an-http-quoted-string - * @param {string} input - * @param {number} position - * @param {boolean} extractValue - * @returns {{result: string, position: number}} - */ - function collectHttpQuotedString(input, position, extractValue) { - // 1. - const positionStart = position; - // 2. - let value = ""; - // 3. - if (input[position] !== "\u0022") throw new TypeError('must be "'); - // 4. - position++; - // 5. - while (true) { - // 5.1. - const res = collectSequenceOfCodepoints( - input, - position, - (c) => c !== "\u0022" && c !== "\u005C", - ); - value += res.result; - position = res.position; - // 5.2. - if (position >= input.length) break; - // 5.3. - const quoteOrBackslash = input[position]; - // 5.4. - position++; - // 5.5. - if (quoteOrBackslash === "\u005C") { - // 5.5.1. - if (position >= input.length) { - value += "\u005C"; - break; - } - // 5.5.2. - value += input[position]; - // 5.5.3. - position++; - } else { // 5.6. - // 5.6.1 - if (quoteOrBackslash !== "\u0022") throw new TypeError('must be "'); - // 5.6.2 - break; - } - } - // 6. - if (extractValue) return { result: value, position }; - // 7. - return { - result: StringPrototypeSubstring(input, positionStart, position + 1), - position, - }; - } - - /** - * @param {Uint8Array} data - * @returns {string} - */ - function forgivingBase64Encode(data) { - return core.opSync("op_base64_encode", data); - } - - /** - * @param {string} data - * @returns {Uint8Array} - */ - function forgivingBase64Decode(data) { - return core.opSync("op_base64_decode", data); - } - - window.__bootstrap.infra = { - collectSequenceOfCodepoints, - ASCII_DIGIT, - ASCII_UPPER_ALPHA, - ASCII_LOWER_ALPHA, - ASCII_ALPHA, - ASCII_ALPHANUMERIC, - HTTP_TAB_OR_SPACE, - HTTP_WHITESPACE, - HTTP_TOKEN_CODE_POINT, - HTTP_TOKEN_CODE_POINT_RE, - HTTP_QUOTED_STRING_TOKEN_POINT, - HTTP_QUOTED_STRING_TOKEN_POINT_RE, - HTTP_TAB_OR_SPACE_PREFIX_RE, - HTTP_TAB_OR_SPACE_SUFFIX_RE, - HTTP_WHITESPACE_PREFIX_RE, - HTTP_WHITESPACE_SUFFIX_RE, - regexMatcher, - byteUpperCase, - byteLowerCase, - collectHttpQuotedString, - forgivingBase64Encode, - forgivingBase64Decode, - }; -})(globalThis); |