diff options
Diffstat (limited to 'node_modules/postcss-selector-parser/dist/util/unesc.js')
| -rw-r--r-- | node_modules/postcss-selector-parser/dist/util/unesc.js | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/node_modules/postcss-selector-parser/dist/util/unesc.js b/node_modules/postcss-selector-parser/dist/util/unesc.js deleted file mode 100644 index 87396bee..00000000 --- a/node_modules/postcss-selector-parser/dist/util/unesc.js +++ /dev/null @@ -1,76 +0,0 @@ -"use strict"; - -exports.__esModule = true; -exports["default"] = unesc; -// Many thanks for this post which made this migration much easier. -// https://mathiasbynens.be/notes/css-escapes - -/** - * - * @param {string} str - * @returns {[string, number]|undefined} - */ -function gobbleHex(str) { - var lower = str.toLowerCase(); - var hex = ''; - var spaceTerminated = false; - for (var i = 0; i < 6 && lower[i] !== undefined; i++) { - var code = lower.charCodeAt(i); - // check to see if we are dealing with a valid hex char [a-f|0-9] - var valid = code >= 97 && code <= 102 || code >= 48 && code <= 57; - // https://drafts.csswg.org/css-syntax/#consume-escaped-code-point - spaceTerminated = code === 32; - if (!valid) { - break; - } - hex += lower[i]; - } - if (hex.length === 0) { - return undefined; - } - var codePoint = parseInt(hex, 16); - var isSurrogate = codePoint >= 0xD800 && codePoint <= 0xDFFF; - // Add special case for - // "If this number is zero, or is for a surrogate, or is greater than the maximum allowed code point" - // https://drafts.csswg.org/css-syntax/#maximum-allowed-code-point - if (isSurrogate || codePoint === 0x0000 || codePoint > 0x10FFFF) { - return ["\uFFFD", hex.length + (spaceTerminated ? 1 : 0)]; - } - return [String.fromCodePoint(codePoint), hex.length + (spaceTerminated ? 1 : 0)]; -} -var CONTAINS_ESCAPE = /\\/; -function unesc(str) { - var needToProcess = CONTAINS_ESCAPE.test(str); - if (!needToProcess) { - return str; - } - var ret = ""; - for (var i = 0; i < str.length; i++) { - if (str[i] === "\\") { - var gobbled = gobbleHex(str.slice(i + 1, i + 7)); - if (gobbled !== undefined) { - ret += gobbled[0]; - i += gobbled[1]; - continue; - } - - // Retain a pair of \\ if double escaped `\\\\` - // https://github.com/postcss/postcss-selector-parser/commit/268c9a7656fb53f543dc620aa5b73a30ec3ff20e - if (str[i + 1] === "\\") { - ret += "\\"; - i++; - continue; - } - - // if \\ is at the end of the string retain it - // https://github.com/postcss/postcss-selector-parser/commit/01a6b346e3612ce1ab20219acc26abdc259ccefb - if (str.length === i + 1) { - ret += str[i]; - } - continue; - } - ret += str[i]; - } - return ret; -} -module.exports = exports.default;
\ No newline at end of file |
