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{"version":3,"file":"index.js","sources":["../src/transform.ts","../src/index.ts"],"sourcesContent":["/**\n * Escapes a character if it has a special meaning in regular expressions\n * and returns the character as is if it doesn't\n */\nfunction escapeRegExpChar(char: string) {\n if (\n char === '-' ||\n char === '^' ||\n char === '$' ||\n char === '+' ||\n char === '.' ||\n char === '(' ||\n char === ')' ||\n char === '|' ||\n char === '[' ||\n char === ']' ||\n char === '{' ||\n char === '}' ||\n char === '*' ||\n char === '?' ||\n char === '\\\\'\n ) {\n return `\\\\${char}`\n } else {\n return char\n }\n}\n\n/**\n * Escapes all characters in a given string that have a special meaning in regular expressions\n */\nfunction escapeRegExpString(str: string) {\n let result = ''\n for (let i = 0; i < str.length; i++) {\n result += escapeRegExpChar(str[i])\n }\n return result\n}\n\n/**\n * Transforms one or more glob patterns into a RegExp pattern\n */\nfunction transform(\n pattern: string | string[],\n separator: string | boolean = true\n): string {\n if (Array.isArray(pattern)) {\n let regExpPatterns = pattern.map((p) => `^${transform(p, separator)}$`)\n return `(?:${regExpPatterns.join('|')})`\n }\n\n let separatorSplitter = ''\n let separatorMatcher = ''\n let wildcard = '.'\n\n if (separator === true) {\n // In this case forward slashes in patterns match both forward and backslashes in samples:\n //\n // `foo/bar` will match `foo/bar`\n // will match `foo\\bar`\n //\n separatorSplitter = '/'\n separatorMatcher = '[/\\\\\\\\]'\n wildcard = '[^/\\\\\\\\]'\n } else if (separator) {\n separatorSplitter = separator\n separatorMatcher = escapeRegExpString(separatorSplitter)\n\n if (separatorMatcher.length > 1) {\n separatorMatcher = `(?:${separatorMatcher})`\n wildcard = `((?!${separatorMatcher}).)`\n } else {\n wildcard = `[^${separatorMatcher}]`\n }\n }\n\n // When a separator is explicitly specified in a pattern,\n // it MUST match ONE OR MORE separators in a sample:\n //\n // `foo/bar/` will match `foo//bar///`\n // won't match `foo/bar`\n //\n // When a pattern doesn't have a trailing separator,\n // a sample can still optionally have them:\n //\n // `foo/bar` will match `foo/bar//`\n //\n // So we use different quantifiers depending on the index of a segment.\n let requiredSeparator = separator ? `${separatorMatcher}+?` : ''\n let optionalSeparator = separator ? `${separatorMatcher}*?` : ''\n\n let segments = separator ? pattern.split(separatorSplitter) : [pattern]\n let result = ''\n\n for (let s = 0; s < segments.length; s++) {\n let segment = segments[s]\n let nextSegment = segments[s + 1]\n let currentSeparator = ''\n\n if (!segment && s > 0) {\n continue\n }\n\n if (separator) {\n if (s === segments.length - 1) {\n currentSeparator = optionalSeparator\n } else if (nextSegment !== '**') {\n currentSeparator = requiredSeparator\n } else {\n currentSeparator = ''\n }\n }\n\n if (separator && segment === '**') {\n if (currentSeparator) {\n result += s === 0 ? '' : currentSeparator\n result += `(?:${wildcard}*?${currentSeparator})*?`\n }\n continue\n }\n\n for (let c = 0; c < segment.length; c++) {\n let char = segment[c]\n\n if (char === '\\\\') {\n if (c < segment.length - 1) {\n result += escapeRegExpChar(segment[c + 1])\n c++\n }\n } else if (char === '?') {\n result += wildcard\n } else if (char === '*') {\n result += `${wildcard}*?`\n } else {\n result += escapeRegExpChar(char)\n }\n }\n\n result += currentSeparator\n }\n\n return result\n}\n\nexport default transform\n","import transform from './transform'\n\ninterface WildcardMatchOptions {\n /** Separator to be used to split patterns and samples into segments */\n separator?: string | boolean\n\n /** Flags to pass to the RegExp */\n flags?: string\n}\n\n// This overrides the function's signature because for the end user\n// the function is always bound to a RegExp\ninterface isMatch {\n /**\n * Tests if a sample string matches the pattern(s)\n *\n * ```js\n * isMatch('foo') //=> true\n * ```\n */\n (sample: string): boolean\n\n /** Compiled regular expression */\n regexp: RegExp\n\n /** Original pattern or array of patterns that was used to compile the RegExp */\n pattern: string | string[]\n\n /** Options that were used to compile the RegExp */\n options: WildcardMatchOptions\n}\n\nfunction isMatch(regexp: RegExp, sample: string) {\n if (typeof sample !== 'string') {\n throw new TypeError(`Sample must be a string, but ${typeof sample} given`)\n }\n\n return regexp.test(sample)\n}\n\n/**\n * Compiles one or more glob patterns into a RegExp and returns an isMatch function.\n * The isMatch function takes a sample string as its only argument and returns `true`\n * if the string matches the pattern(s).\n *\n * ```js\n * wildcardMatch('src/*.js')('src/index.js') //=> true\n * ```\n *\n * ```js\n * const isMatch = wildcardMatch('*.example.com', '.')\n * isMatch('foo.example.com') //=> true\n * isMatch('foo.bar.com') //=> false\n * ```\n */\nfunction wildcardMatch(\n pattern: string | string[],\n options?: string | boolean | WildcardMatchOptions\n) {\n if (typeof pattern !== 'string' && !Array.isArray(pattern)) {\n throw new TypeError(\n `The first argument must be a single pattern string or an array of patterns, but ${typeof pattern} given`\n )\n }\n\n if (typeof options === 'string' || typeof options === 'boolean') {\n options = { separator: options }\n }\n\n if (\n arguments.length === 2 &&\n !(\n typeof options === 'undefined' ||\n (typeof options === 'object' && options !== null && !Array.isArray(options))\n )\n ) {\n throw new TypeError(\n `The second argument must be an options object or a string/boolean separator, but ${typeof options} given`\n )\n }\n\n options = options || {}\n\n if (options.separator === '\\\\') {\n throw new Error(\n '\\\\ is not a valid separator because it is used for escaping. 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