diff options
| author | littleblack111 <littleblack11111@gmail.com> | 2023-10-31 15:37:35 +0800 |
|---|---|---|
| committer | littleblack111 <littleblack11111@gmail.com> | 2023-10-31 15:37:35 +0800 |
| commit | d5f14083061f2ce6a42313188443a42e30796320 (patch) | |
| tree | cc6a9889e08b29595a76a33b9e7b4ef84866468b /node_modules/webpack/lib/util/URLAbsoluteSpecifier.js | |
| parent | b1a6ea021f29f182b62f9f81024a3d8ac8621b7f (diff) | |
added make browserlist(autoprefixer) work fixed
Diffstat (limited to 'node_modules/webpack/lib/util/URLAbsoluteSpecifier.js')
| -rw-r--r-- | node_modules/webpack/lib/util/URLAbsoluteSpecifier.js | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/util/URLAbsoluteSpecifier.js b/node_modules/webpack/lib/util/URLAbsoluteSpecifier.js new file mode 100644 index 00000000..164d37e4 --- /dev/null +++ b/node_modules/webpack/lib/util/URLAbsoluteSpecifier.js @@ -0,0 +1,87 @@ +/* + MIT License http://www.opensource.org/licenses/mit-license.php + Author Ivan Kopeykin @vankop +*/ + +"use strict"; + +/** @typedef {import("./fs").InputFileSystem} InputFileSystem */ +/** @typedef {(error: Error|null, result?: Buffer) => void} ErrorFirstCallback */ + +const backSlashCharCode = "\\".charCodeAt(0); +const slashCharCode = "/".charCodeAt(0); +const aLowerCaseCharCode = "a".charCodeAt(0); +const zLowerCaseCharCode = "z".charCodeAt(0); +const aUpperCaseCharCode = "A".charCodeAt(0); +const zUpperCaseCharCode = "Z".charCodeAt(0); +const _0CharCode = "0".charCodeAt(0); +const _9CharCode = "9".charCodeAt(0); +const plusCharCode = "+".charCodeAt(0); +const hyphenCharCode = "-".charCodeAt(0); +const colonCharCode = ":".charCodeAt(0); +const hashCharCode = "#".charCodeAt(0); +const queryCharCode = "?".charCodeAt(0); +/** + * Get scheme if specifier is an absolute URL specifier + * e.g. Absolute specifiers like 'file:///user/webpack/index.js' + * https://tools.ietf.org/html/rfc3986#section-3.1 + * @param {string} specifier specifier + * @returns {string|undefined} scheme if absolute URL specifier provided + */ +function getScheme(specifier) { + const start = specifier.charCodeAt(0); + + // First char maybe only a letter + if ( + (start < aLowerCaseCharCode || start > zLowerCaseCharCode) && + (start < aUpperCaseCharCode || start > zUpperCaseCharCode) + ) { + return undefined; + } + + let i = 1; + let ch = specifier.charCodeAt(i); + + while ( + (ch >= aLowerCaseCharCode && ch <= zLowerCaseCharCode) || + (ch >= aUpperCaseCharCode && ch <= zUpperCaseCharCode) || + (ch >= _0CharCode && ch <= _9CharCode) || + ch === plusCharCode || + ch === hyphenCharCode + ) { + if (++i === specifier.length) return undefined; + ch = specifier.charCodeAt(i); + } + + // Scheme must end with colon + if (ch !== colonCharCode) return undefined; + + // Check for Windows absolute path + // https://url.spec.whatwg.org/#url-miscellaneous + if (i === 1) { + const nextChar = i + 1 < specifier.length ? specifier.charCodeAt(i + 1) : 0; + if ( + nextChar === 0 || + nextChar === backSlashCharCode || + nextChar === slashCharCode || + nextChar === hashCharCode || + nextChar === queryCharCode + ) { + return undefined; + } + } + + return specifier.slice(0, i).toLowerCase(); +} + +/** + * @param {string} specifier specifier + * @returns {string | null | undefined} protocol if absolute URL specifier provided + */ +function getProtocol(specifier) { + const scheme = getScheme(specifier); + return scheme === undefined ? undefined : scheme + ":"; +} + +exports.getScheme = getScheme; +exports.getProtocol = getProtocol; |
