UNPKG

22.3 kBSource Map (JSON)View Raw
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Other functions do not need a reference to the TS compiler so are\n * exported directly from this file.\n */\nfunction createTsInternalsUncached(_ts: TSCommon) {\n const ts = _ts as TSCommon & TSInternal;\n /**\n * Copied from:\n * https://github.com/microsoft/TypeScript/blob/v4.3.2/src/compiler/commandLineParser.ts#L2821-L2846\n */\n function getExtendsConfigPath(\n extendedConfig: string,\n host: _ts.ParseConfigHost,\n basePath: string,\n errors: _ts.Push<_ts.Diagnostic>,\n createDiagnostic: (\n message: _ts.DiagnosticMessage,\n arg1?: string\n ) => _ts.Diagnostic\n ) {\n extendedConfig = normalizeSlashes(extendedConfig);\n if (\n isRootedDiskPath(extendedConfig) ||\n startsWith(extendedConfig, './') ||\n startsWith(extendedConfig, '../')\n ) {\n let extendedConfigPath = getNormalizedAbsolutePath(\n extendedConfig,\n basePath\n );\n if (\n !host.fileExists(extendedConfigPath) &&\n !endsWith(extendedConfigPath, ts.Extension.Json)\n ) {\n extendedConfigPath = `${extendedConfigPath}.json`;\n if (!host.fileExists(extendedConfigPath)) {\n errors.push(\n createDiagnostic(ts.Diagnostics.File_0_not_found, extendedConfig)\n );\n return undefined;\n }\n }\n return extendedConfigPath;\n }\n // If the path isn't a rooted or relative path, resolve like a module\n const resolved = ts.nodeModuleNameResolver(\n extendedConfig,\n combinePaths(basePath, 'tsconfig.json'),\n { moduleResolution: ts.ModuleResolutionKind.NodeJs },\n host,\n /*cache*/ undefined,\n /*projectRefs*/ undefined,\n /*lookupConfig*/ true\n );\n if (resolved.resolvedModule) {\n return resolved.resolvedModule.resolvedFileName;\n }\n errors.push(\n createDiagnostic(ts.Diagnostics.File_0_not_found, extendedConfig)\n );\n return undefined;\n }\n\n return { getExtendsConfigPath };\n}\n\n// These functions have alternative implementation to avoid copying too much from TS\nfunction isRootedDiskPath(path: string) {\n return isAbsolute(path);\n}\nfunction combinePaths(path: string, ...paths: (string | undefined)[]): string {\n return normalizeSlashes(\n resolve(path, ...(paths.filter((path) => path) as string[]))\n );\n}\nfunction getNormalizedAbsolutePath(\n fileName: string,\n currentDirectory: string | undefined\n) {\n return normalizeSlashes(\n currentDirectory != null\n ? resolve(currentDirectory!, fileName)\n : resolve(fileName)\n );\n}\n\nfunction startsWith(str: string, prefix: string): boolean {\n return str.lastIndexOf(prefix, 0) === 0;\n}\n\nfunction endsWith(str: string, suffix: string): boolean {\n const expectedPos = str.length - suffix.length;\n return expectedPos >= 0 && str.indexOf(suffix, expectedPos) === expectedPos;\n}\n// Reserved characters, forces escaping of any non-word (or digit), non-whitespace character.\n// It may be inefficient (we could just match (/[-[\\]{}()*+?.,\\\\^$|#\\s]/g), but this is future\n// proof.\nconst reservedCharacterPattern = /[^\\w\\s\\/]/g;\n\n/**\n * @internal\n * See also: getRegularExpressionForWildcard, which seems to do almost the same thing\n */\nexport function getPatternFromSpec(spec: string, basePath: string) {\n const pattern = spec && getSubPatternFromSpec(spec, basePath, excludeMatcher);\n return pattern && `^(${pattern})${'($|/)'}`;\n}\nfunction getSubPatternFromSpec(\n spec: string,\n basePath: string,\n {\n singleAsteriskRegexFragment,\n doubleAsteriskRegexFragment,\n replaceWildcardCharacter,\n }: WildcardMatcher\n): string {\n let subpattern = '';\n let hasWrittenComponent = false;\n const components = getNormalizedPathComponents(spec, basePath);\n const lastComponent = last(components);\n\n // getNormalizedPathComponents includes the separator for the root component.\n // We need to remove to create our regex correctly.\n components[0] = removeTrailingDirectorySeparator(components[0]);\n\n if (isImplicitGlob(lastComponent)) {\n components.push('**', '*');\n }\n\n let optionalCount = 0;\n for (let component of components) {\n if (component === '**') {\n subpattern += doubleAsteriskRegexFragment;\n } else {\n if (hasWrittenComponent) {\n subpattern += directorySeparator;\n }\n subpattern += component.replace(\n reservedCharacterPattern,\n replaceWildcardCharacter\n );\n }\n\n hasWrittenComponent = true;\n }\n\n while (optionalCount > 0) {\n subpattern += ')?';\n optionalCount--;\n }\n\n return subpattern;\n}\ninterface WildcardMatcher {\n singleAsteriskRegexFragment: string;\n doubleAsteriskRegexFragment: string;\n replaceWildcardCharacter: (match: string) => string;\n}\nconst directoriesMatcher: WildcardMatcher = {\n singleAsteriskRegexFragment: '[^/]*',\n /**\n * Regex for the ** wildcard. Matches any num of subdirectories. When used for including\n * files or directories, does not match subdirectories that start with a . character\n */\n doubleAsteriskRegexFragment: `(/[^/.][^/]*)*?`,\n replaceWildcardCharacter: (match) =>\n replaceWildcardCharacter(\n match,\n directoriesMatcher.singleAsteriskRegexFragment\n ),\n};\nconst excludeMatcher: WildcardMatcher = {\n singleAsteriskRegexFragment: '[^/]*',\n doubleAsteriskRegexFragment: '(/.+?)?',\n replaceWildcardCharacter: (match) =>\n replaceWildcardCharacter(match, excludeMatcher.singleAsteriskRegexFragment),\n};\nfunction getNormalizedPathComponents(\n path: string,\n currentDirectory: string | undefined\n) {\n return reducePathComponents(getPathComponents(path, currentDirectory));\n}\nfunction getPathComponents(path: string, currentDirectory = '') {\n path = combinePaths(currentDirectory, path);\n return pathComponents(path, getRootLength(path));\n}\nfunction reducePathComponents(components: readonly string[]) {\n if (!some(components)) return [];\n const reduced = [components[0]];\n for (let i = 1; i < components.length; i++) {\n const component = components[i];\n if (!component) continue;\n if (component === '.') continue;\n if (component === '..') {\n if (reduced.length > 1) {\n if (reduced[reduced.length - 1] !== '..') {\n reduced.pop();\n continue;\n }\n } else if (reduced[0]) continue;\n }\n reduced.push(component);\n }\n return reduced;\n}\nfunction getRootLength(path: string) {\n const rootLength = getEncodedRootLength(path);\n return rootLength < 0 ? ~rootLength : rootLength;\n}\nfunction getEncodedRootLength(path: string): number {\n if (!path) return 0;\n const ch0 = path.charCodeAt(0);\n\n // POSIX or UNC\n if (ch0 === CharacterCodes.slash || ch0 === CharacterCodes.backslash) {\n if (path.charCodeAt(1) !== ch0) return 1; // POSIX: \"/\" (or non-normalized \"\\\")\n\n const p1 = path.indexOf(\n ch0 === CharacterCodes.slash ? directorySeparator : altDirectorySeparator,\n 2\n );\n if (p1 < 0) return path.length; // UNC: \"//server\" or \"\\\\server\"\n\n return p1 + 1; // UNC: \"//server/\" or \"\\\\server\\\"\n }\n\n // DOS\n if (isVolumeCharacter(ch0) && path.charCodeAt(1) === CharacterCodes.colon) {\n const ch2 = path.charCodeAt(2);\n if (ch2 === CharacterCodes.slash || ch2 === CharacterCodes.backslash)\n return 3; // DOS: \"c:/\" or \"c:\\\"\n if (path.length === 2) return 2; // DOS: \"c:\" (but not \"c:d\")\n }\n\n // URL\n const schemeEnd = path.indexOf(urlSchemeSeparator);\n if (schemeEnd !== -1) {\n const authorityStart = schemeEnd + urlSchemeSeparator.length;\n const authorityEnd = path.indexOf(directorySeparator, authorityStart);\n if (authorityEnd !== -1) {\n // URL: \"file:///\", \"file://server/\", \"file://server/path\"\n // For local \"file\" URLs, include the leading DOS volume (if present).\n // Per https://www.ietf.org/rfc/rfc1738.txt, a host of \"\" or \"localhost\" is a\n // special case interpreted as \"the machine from which the URL is being interpreted\".\n const scheme = path.slice(0, schemeEnd);\n const authority = path.slice(authorityStart, authorityEnd);\n if (\n scheme === 'file' &&\n (authority === '' || authority === 'localhost') &&\n isVolumeCharacter(path.charCodeAt(authorityEnd + 1))\n ) {\n const volumeSeparatorEnd = getFileUrlVolumeSeparatorEnd(\n path,\n authorityEnd + 2\n );\n if (volumeSeparatorEnd !== -1) {\n if (path.charCodeAt(volumeSeparatorEnd) === CharacterCodes.slash) {\n // URL: \"file:///c:/\", \"file://localhost/c:/\", \"file:///c%3a/\", \"file://localhost/c%3a/\"\n return ~(volumeSeparatorEnd + 1);\n }\n if (volumeSeparatorEnd === path.length) {\n // URL: \"file:///c:\", \"file://localhost/c:\", \"file:///c$3a\", \"file://localhost/c%3a\"\n // but not \"file:///c:d\" or \"file:///c%3ad\"\n return ~volumeSeparatorEnd;\n }\n }\n }\n return ~(authorityEnd + 1); // URL: \"file://server/\", \"http://server/\"\n }\n return ~path.length; // URL: \"file://server\", \"http://server\"\n }\n\n // relative\n return 0;\n}\nfunction ensureTrailingDirectorySeparator(path: string) {\n if (!hasTrailingDirectorySeparator(path)) {\n return path + directorySeparator;\n }\n\n return path;\n}\nfunction hasTrailingDirectorySeparator(path: string) {\n return (\n path.length > 0 && isAnyDirectorySeparator(path.charCodeAt(path.length - 1))\n );\n}\nfunction isAnyDirectorySeparator(charCode: number): boolean {\n return (\n charCode === CharacterCodes.slash || charCode === CharacterCodes.backslash\n );\n}\nfunction removeTrailingDirectorySeparator(path: string) {\n if (hasTrailingDirectorySeparator(path)) {\n return path.substr(0, path.length - 1);\n }\n\n return path;\n}\nconst directorySeparator = '/';\nconst altDirectorySeparator = '\\\\';\nconst urlSchemeSeparator = '://';\nfunction isVolumeCharacter(charCode: number) {\n return (\n (charCode >= CharacterCodes.a && charCode <= CharacterCodes.z) ||\n (charCode >= CharacterCodes.A && charCode <= CharacterCodes.Z)\n );\n}\nfunction getFileUrlVolumeSeparatorEnd(url: string, start: number) {\n const ch0 = url.charCodeAt(start);\n if (ch0 === CharacterCodes.colon) return start + 1;\n if (\n ch0 === CharacterCodes.percent &&\n url.charCodeAt(start + 1) === CharacterCodes._3\n ) {\n const ch2 = url.charCodeAt(start + 2);\n if (ch2 === CharacterCodes.a || ch2 === CharacterCodes.A) return start + 3;\n }\n return -1;\n}\nfunction some<T>(array: readonly T[] | undefined): array is readonly T[];\nfunction some<T>(\n array: readonly T[] | undefined,\n predicate: (value: T) => boolean\n): boolean;\nfunction some<T>(\n array: readonly T[] | undefined,\n predicate?: (value: T) => boolean\n): boolean {\n if (array) {\n if (predicate) {\n for (const v of array) {\n if (predicate(v)) {\n return true;\n }\n }\n } else {\n return array.length > 0;\n }\n }\n return false;\n}\n/* @internal */\nconst enum CharacterCodes {\n _3 = 0x33,\n a = 0x61,\n z = 0x7a,\n A = 0x41,\n Z = 0x5a,\n asterisk = 0x2a, // *\n backslash = 0x5c, // \\\n colon = 0x3a, // :\n percent = 0x25, // %\n question = 0x3f, // ?\n slash = 0x2f, // /\n}\nfunction pathComponents(path: string, rootLength: number) {\n const root = path.substring(0, rootLength);\n const rest = path.substring(rootLength).split(directorySeparator);\n if (rest.length && !lastOrUndefined(rest)) rest.pop();\n return [root, ...rest];\n}\nfunction lastOrUndefined<T>(array: readonly T[]): T | undefined {\n return array.length === 0 ? undefined : array[array.length - 1];\n}\nfunction last<T>(array: readonly T[]): T {\n // Debug.assert(array.length !== 0);\n return array[array.length - 1];\n}\nfunction replaceWildcardCharacter(\n match: string,\n singleAsteriskRegexFragment: string\n) {\n return match === '*'\n ? singleAsteriskRegexFragment\n : match === '?'\n ? '[^/]'\n : '\\\\' + match;\n}\n/**\n * An \"includes\" path \"foo\" is implicitly a glob \"foo/** /*\" (without the space) if its last component has no extension,\n * and does not contain any glob characters itself.\n */\nfunction isImplicitGlob(lastPathComponent: string): boolean {\n return !/[.*?]/.test(lastPathComponent);\n}\n"]}
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