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Diffstat (limited to 'vanilla/node_modules/@jridgewell/resolve-uri/dist/resolve-uri.mjs')
| -rw-r--r-- | vanilla/node_modules/@jridgewell/resolve-uri/dist/resolve-uri.mjs | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/vanilla/node_modules/@jridgewell/resolve-uri/dist/resolve-uri.mjs b/vanilla/node_modules/@jridgewell/resolve-uri/dist/resolve-uri.mjs new file mode 100644 index 0000000..e958e88 --- /dev/null +++ b/vanilla/node_modules/@jridgewell/resolve-uri/dist/resolve-uri.mjs @@ -0,0 +1,232 @@ +// Matches the scheme of a URL, eg "http://" +const schemeRegex = /^[\w+.-]+:\/\//; +/** + * Matches the parts of a URL: + * 1. Scheme, including ":", guaranteed. + * 2. User/password, including "@", optional. + * 3. Host, guaranteed. + * 4. Port, including ":", optional. + * 5. Path, including "/", optional. + * 6. Query, including "?", optional. + * 7. Hash, including "#", optional. + */ +const urlRegex = /^([\w+.-]+:)\/\/([^@/#?]*@)?([^:/#?]*)(:\d+)?(\/[^#?]*)?(\?[^#]*)?(#.*)?/; +/** + * File URLs are weird. They dont' need the regular `//` in the scheme, they may or may not start + * with a leading `/`, they can have a domain (but only if they don't start with a Windows drive). + * + * 1. Host, optional. + * 2. Path, which may include "/", guaranteed. + * 3. Query, including "?", optional. + * 4. Hash, including "#", optional. + */ +const fileRegex = /^file:(?:\/\/((?![a-z]:)[^/#?]*)?)?(\/?[^#?]*)(\?[^#]*)?(#.*)?/i; +function isAbsoluteUrl(input) { + return schemeRegex.test(input); +} +function isSchemeRelativeUrl(input) { + return input.startsWith('//'); +} +function isAbsolutePath(input) { + return input.startsWith('/'); +} +function isFileUrl(input) { + return input.startsWith('file:'); +} +function isRelative(input) { + return /^[.?#]/.test(input); +} +function parseAbsoluteUrl(input) { + const match = urlRegex.exec(input); + return makeUrl(match[1], match[2] || '', match[3], match[4] || '', match[5] || '/', match[6] || '', match[7] || ''); +} +function parseFileUrl(input) { + const match = fileRegex.exec(input); + const path = match[2]; + return makeUrl('file:', '', match[1] || '', '', isAbsolutePath(path) ? path : '/' + path, match[3] || '', match[4] || ''); +} +function makeUrl(scheme, user, host, port, path, query, hash) { + return { + scheme, + user, + host, + port, + path, + query, + hash, + type: 7 /* Absolute */, + }; +} +function parseUrl(input) { + if (isSchemeRelativeUrl(input)) { + const url = parseAbsoluteUrl('http:' + input); + url.scheme = ''; + url.type = 6 /* SchemeRelative */; + return url; + } + if (isAbsolutePath(input)) { + const url = parseAbsoluteUrl('http://foo.com' + input); + url.scheme = ''; + url.host = ''; + url.type = 5 /* AbsolutePath */; + return url; + } + if (isFileUrl(input)) + return parseFileUrl(input); + if (isAbsoluteUrl(input)) + return parseAbsoluteUrl(input); + const url = parseAbsoluteUrl('http://foo.com/' + input); + url.scheme = ''; + url.host = ''; + url.type = input + ? input.startsWith('?') + ? 3 /* Query */ + : input.startsWith('#') + ? 2 /* Hash */ + : 4 /* RelativePath */ + : 1 /* Empty */; + return url; +} +function stripPathFilename(path) { + // If a path ends with a parent directory "..", then it's a relative path with excess parent + // paths. It's not a file, so we can't strip it. + if (path.endsWith('/..')) + return path; + const index = path.lastIndexOf('/'); + return path.slice(0, index + 1); +} +function mergePaths(url, base) { + normalizePath(base, base.type); + // If the path is just a "/", then it was an empty path to begin with (remember, we're a relative + // path). + if (url.path === '/') { + url.path = base.path; + } + else { + // Resolution happens relative to the base path's directory, not the file. + url.path = stripPathFilename(base.path) + url.path; + } +} +/** + * The path can have empty directories "//", unneeded parents "foo/..", or current directory + * "foo/.". We need to normalize to a standard representation. + */ +function normalizePath(url, type) { + const rel = type <= 4 /* RelativePath */; + const pieces = url.path.split('/'); + // We need to preserve the first piece always, so that we output a leading slash. The item at + // pieces[0] is an empty string. + let pointer = 1; + // Positive is the number of real directories we've output, used for popping a parent directory. + // Eg, "foo/bar/.." will have a positive 2, and we can decrement to be left with just "foo". + let positive = 0; + // We need to keep a trailing slash if we encounter an empty directory (eg, splitting "foo/" will + // generate `["foo", ""]` pieces). And, if we pop a parent directory. But once we encounter a + // real directory, we won't need to append, unless the other conditions happen again. + let addTrailingSlash = false; + for (let i = 1; i < pieces.length; i++) { + const piece = pieces[i]; + // An empty directory, could be a trailing slash, or just a double "//" in the path. + if (!piece) { + addTrailingSlash = true; + continue; + } + // If we encounter a real directory, then we don't need to append anymore. + addTrailingSlash = false; + // A current directory, which we can always drop. + if (piece === '.') + continue; + // A parent directory, we need to see if there are any real directories we can pop. Else, we + // have an excess of parents, and we'll need to keep the "..". + if (piece === '..') { + if (positive) { + addTrailingSlash = true; + positive--; + pointer--; + } + else if (rel) { + // If we're in a relativePath, then we need to keep the excess parents. Else, in an absolute + // URL, protocol relative URL, or an absolute path, we don't need to keep excess. + pieces[pointer++] = piece; + } + continue; + } + // We've encountered a real directory. Move it to the next insertion pointer, which accounts for + // any popped or dropped directories. + pieces[pointer++] = piece; + positive++; + } + let path = ''; + for (let i = 1; i < pointer; i++) { + path += '/' + pieces[i]; + } + if (!path || (addTrailingSlash && !path.endsWith('/..'))) { + path += '/'; + } + url.path = path; +} +/** + * Attempts to resolve `input` URL/path relative to `base`. + */ +function resolve(input, base) { + if (!input && !base) + return ''; + const url = parseUrl(input); + let inputType = url.type; + if (base && inputType !== 7 /* Absolute */) { + const baseUrl = parseUrl(base); + const baseType = baseUrl.type; + switch (inputType) { + case 1 /* Empty */: + url.hash = baseUrl.hash; + // fall through + case 2 /* Hash */: + url.query = baseUrl.query; + // fall through + case 3 /* Query */: + case 4 /* RelativePath */: + mergePaths(url, baseUrl); + // fall through + case 5 /* AbsolutePath */: + // The host, user, and port are joined, you can't copy one without the others. + url.user = baseUrl.user; + url.host = baseUrl.host; + url.port = baseUrl.port; + // fall through + case 6 /* SchemeRelative */: + // The input doesn't have a schema at least, so we need to copy at least that over. + url.scheme = baseUrl.scheme; + } + if (baseType > inputType) + inputType = baseType; + } + normalizePath(url, inputType); + const queryHash = url.query + url.hash; + switch (inputType) { + // This is impossible, because of the empty checks at the start of the function. + // case UrlType.Empty: + case 2 /* Hash */: + case 3 /* Query */: + return queryHash; + case 4 /* RelativePath */: { + // The first char is always a "/", and we need it to be relative. + const path = url.path.slice(1); + if (!path) + return queryHash || '.'; + if (isRelative(base || input) && !isRelative(path)) { + // If base started with a leading ".", or there is no base and input started with a ".", + // then we need to ensure that the relative path starts with a ".". We don't know if + // relative starts with a "..", though, so check before prepending. + return './' + path + queryHash; + } + return path + queryHash; + } + case 5 /* AbsolutePath */: + return url.path + queryHash; + default: + return url.scheme + '//' + url.user + url.host + url.port + url.path + queryHash; + } +} + +export { resolve as default }; +//# sourceMappingURL=resolve-uri.mjs.map |