1 line
11 KiB
JSON
1 line
11 KiB
JSON
{"ast":null,"code":"var isarray = require('isarray');\n/**\n * Expose `pathToRegexp`.\n */\n\n\nmodule.exports = pathToRegexp;\nmodule.exports.parse = parse;\nmodule.exports.compile = compile;\nmodule.exports.tokensToFunction = tokensToFunction;\nmodule.exports.tokensToRegExp = tokensToRegExp;\n/**\n * The main path matching regexp utility.\n *\n * @type {RegExp}\n */\n\nvar PATH_REGEXP = new RegExp([// Match escaped characters that would otherwise appear in future matches.\n// This allows the user to escape special characters that won't transform.\n'(\\\\\\\\.)', // Match Express-style parameters and un-named parameters with a prefix\n// and optional suffixes. Matches appear as:\n//\n// \"/:test(\\\\d+)?\" => [\"/\", \"test\", \"\\d+\", undefined, \"?\", undefined]\n// \"/route(\\\\d+)\" => [undefined, undefined, undefined, \"\\d+\", undefined, undefined]\n// \"/*\" => [\"/\", undefined, undefined, undefined, undefined, \"*\"]\n'([\\\\/.])?(?:(?:\\\\:(\\\\w+)(?:\\\\(((?:\\\\\\\\.|[^\\\\\\\\()])+)\\\\))?|\\\\(((?:\\\\\\\\.|[^\\\\\\\\()])+)\\\\))([+*?])?|(\\\\*))'].join('|'), 'g');\n/**\n * Parse a string for the raw tokens.\n *\n * @param {string} str\n * @param {Object=} options\n * @return {!Array}\n */\n\nfunction parse(str, options) {\n var tokens = [];\n var key = 0;\n var index = 0;\n var path = '';\n var defaultDelimiter = options && options.delimiter || '/';\n var res;\n\n while ((res = PATH_REGEXP.exec(str)) != null) {\n var m = res[0];\n var escaped = res[1];\n var offset = res.index;\n path += str.slice(index, offset);\n index = offset + m.length; // Ignore already escaped sequences.\n\n if (escaped) {\n path += escaped[1];\n continue;\n }\n\n var next = str[index];\n var prefix = res[2];\n var name = res[3];\n var capture = res[4];\n var group = res[5];\n var modifier = res[6];\n var asterisk = res[7]; // Push the current path onto the tokens.\n\n if (path) {\n tokens.push(path);\n path = '';\n }\n\n var partial = prefix != null && next != null && next !== prefix;\n var repeat = modifier === '+' || modifier === '*';\n var optional = modifier === '?' || modifier === '*';\n var delimiter = res[2] || defaultDelimiter;\n var pattern = capture || group;\n tokens.push({\n name: name || key++,\n prefix: prefix || '',\n delimiter: delimiter,\n optional: optional,\n repeat: repeat,\n partial: partial,\n asterisk: !!asterisk,\n pattern: pattern ? escapeGroup(pattern) : asterisk ? '.*' : '[^' + escapeString(delimiter) + ']+?'\n });\n } // Match any characters still remaining.\n\n\n if (index < str.length) {\n path += str.substr(index);\n } // If the path exists, push it onto the end.\n\n\n if (path) {\n tokens.push(path);\n }\n\n return tokens;\n}\n/**\n * Compile a string to a template function for the path.\n *\n * @param {string} str\n * @param {Object=} options\n * @return {!function(Object=, Object=)}\n */\n\n\nfunction compile(str, options) {\n return tokensToFunction(parse(str, options), options);\n}\n/**\n * Prettier encoding of URI path segments.\n *\n * @param {string}\n * @return {string}\n */\n\n\nfunction encodeURIComponentPretty(str) {\n return encodeURI(str).replace(/[\\/?#]/g, function (c) {\n return '%' + c.charCodeAt(0).toString(16).toUpperCase();\n });\n}\n/**\n * Encode the asterisk parameter. Similar to `pretty`, but allows slashes.\n *\n * @param {string}\n * @return {string}\n */\n\n\nfunction encodeAsterisk(str) {\n return encodeURI(str).replace(/[?#]/g, function (c) {\n return '%' + c.charCodeAt(0).toString(16).toUpperCase();\n });\n}\n/**\n * Expose a method for transforming tokens into the path function.\n */\n\n\nfunction tokensToFunction(tokens, options) {\n // Compile all the tokens into regexps.\n var matches = new Array(tokens.length); // Compile all the patterns before compilation.\n\n for (var i = 0; i < tokens.length; i++) {\n if (typeof tokens[i] === 'object') {\n matches[i] = new RegExp('^(?:' + tokens[i].pattern + ')$', flags(options));\n }\n }\n\n return function (obj, opts) {\n var path = '';\n var data = obj || {};\n var options = opts || {};\n var encode = options.pretty ? encodeURIComponentPretty : encodeURIComponent;\n\n for (var i = 0; i < tokens.length; i++) {\n var token = tokens[i];\n\n if (typeof token === 'string') {\n path += token;\n continue;\n }\n\n var value = data[token.name];\n var segment;\n\n if (value == null) {\n if (token.optional) {\n // Prepend partial segment prefixes.\n if (token.partial) {\n path += token.prefix;\n }\n\n continue;\n } else {\n throw new TypeError('Expected \"' + token.name + '\" to be defined');\n }\n }\n\n if (isarray(value)) {\n if (!token.repeat) {\n throw new TypeError('Expected \"' + token.name + '\" to not repeat, but received `' + JSON.stringify(value) + '`');\n }\n\n if (value.length === 0) {\n if (token.optional) {\n continue;\n } else {\n throw new TypeError('Expected \"' + token.name + '\" to not be empty');\n }\n }\n\n for (var j = 0; j < value.length; j++) {\n segment = encode(value[j]);\n\n if (!matches[i].test(segment)) {\n throw new TypeError('Expected all \"' + token.name + '\" to match \"' + token.pattern + '\", but received `' + JSON.stringify(segment) + '`');\n }\n\n path += (j === 0 ? token.prefix : token.delimiter) + segment;\n }\n\n continue;\n }\n\n segment = token.asterisk ? encodeAsterisk(value) : encode(value);\n\n if (!matches[i].test(segment)) {\n throw new TypeError('Expected \"' + token.name + '\" to match \"' + token.pattern + '\", but received \"' + segment + '\"');\n }\n\n path += token.prefix + segment;\n }\n\n return path;\n };\n}\n/**\n * Escape a regular expression string.\n *\n * @param {string} str\n * @return {string}\n */\n\n\nfunction escapeString(str) {\n return str.replace(/([.+*?=^!:${}()[\\]|\\/\\\\])/g, '\\\\$1');\n}\n/**\n * Escape the capturing group by escaping special characters and meaning.\n *\n * @param {string} group\n * @return {string}\n */\n\n\nfunction escapeGroup(group) {\n return group.replace(/([=!:$\\/()])/g, '\\\\$1');\n}\n/**\n * Attach the keys as a property of the regexp.\n *\n * @param {!RegExp} re\n * @param {Array} keys\n * @return {!RegExp}\n */\n\n\nfunction attachKeys(re, keys) {\n re.keys = keys;\n return re;\n}\n/**\n * Get the flags for a regexp from the options.\n *\n * @param {Object} options\n * @return {string}\n */\n\n\nfunction flags(options) {\n return options && options.sensitive ? '' : 'i';\n}\n/**\n * Pull out keys from a regexp.\n *\n * @param {!RegExp} path\n * @param {!Array} keys\n * @return {!RegExp}\n */\n\n\nfunction regexpToRegexp(path, keys) {\n // Use a negative lookahead to match only capturing groups.\n var groups = path.source.match(/\\((?!\\?)/g);\n\n if (groups) {\n for (var i = 0; i < groups.length; i++) {\n keys.push({\n name: i,\n prefix: null,\n delimiter: null,\n optional: false,\n repeat: false,\n partial: false,\n asterisk: false,\n pattern: null\n });\n }\n }\n\n return attachKeys(path, keys);\n}\n/**\n * Transform an array into a regexp.\n *\n * @param {!Array} path\n * @param {Array} keys\n * @param {!Object} options\n * @return {!RegExp}\n */\n\n\nfunction arrayToRegexp(path, keys, options) {\n var parts = [];\n\n for (var i = 0; i < path.length; i++) {\n parts.push(pathToRegexp(path[i], keys, options).source);\n }\n\n var regexp = new RegExp('(?:' + parts.join('|') + ')', flags(options));\n return attachKeys(regexp, keys);\n}\n/**\n * Create a path regexp from string input.\n *\n * @param {string} path\n * @param {!Array} keys\n * @param {!Object} options\n * @return {!RegExp}\n */\n\n\nfunction stringToRegexp(path, keys, options) {\n return tokensToRegExp(parse(path, options), keys, options);\n}\n/**\n * Expose a function for taking tokens and returning a RegExp.\n *\n * @param {!Array} tokens\n * @param {(Array|Object)=} keys\n * @param {Object=} options\n * @return {!RegExp}\n */\n\n\nfunction tokensToRegExp(tokens, keys, options) {\n if (!isarray(keys)) {\n options =\n /** @type {!Object} */\n keys || options;\n keys = [];\n }\n\n options = options || {};\n var strict = options.strict;\n var end = options.end !== false;\n var route = ''; // Iterate over the tokens and create our regexp string.\n\n for (var i = 0; i < tokens.length; i++) {\n var token = tokens[i];\n\n if (typeof token === 'string') {\n route += escapeString(token);\n } else {\n var prefix = escapeString(token.prefix);\n var capture = '(?:' + token.pattern + ')';\n keys.push(token);\n\n if (token.repeat) {\n capture += '(?:' + prefix + capture + ')*';\n }\n\n if (token.optional) {\n if (!token.partial) {\n capture = '(?:' + prefix + '(' + capture + '))?';\n } else {\n capture = prefix + '(' + capture + ')?';\n }\n } else {\n capture = prefix + '(' + capture + ')';\n }\n\n route += capture;\n }\n }\n\n var delimiter = escapeString(options.delimiter || '/');\n var endsWithDelimiter = route.slice(-delimiter.length) === delimiter; // In non-strict mode we allow a slash at the end of match. If the path to\n // match already ends with a slash, we remove it for consistency. The slash\n // is valid at the end of a path match, not in the middle. This is important\n // in non-ending mode, where \"/test/\" shouldn't match \"/test//route\".\n\n if (!strict) {\n route = (endsWithDelimiter ? route.slice(0, -delimiter.length) : route) + '(?:' + delimiter + '(?=$))?';\n }\n\n if (end) {\n route += '$';\n } else {\n // In non-ending mode, we need the capturing groups to match as much as\n // possible by using a positive lookahead to the end or next path segment.\n route += strict && endsWithDelimiter ? '' : '(?=' + delimiter + '|$)';\n }\n\n return attachKeys(new RegExp('^' + route, flags(options)), keys);\n}\n/**\n * Normalize the given path string, returning a regular expression.\n *\n * An empty array can be passed in for the keys, which will hold the\n * placeholder key descriptions. For example, using `/user/:id`, `keys` will\n * contain `[{ name: 'id', delimiter: '/', optional: false, repeat: false }]`.\n *\n * @param {(string|RegExp|Array)} path\n * @param {(Array|Object)=} keys\n * @param {Object=} options\n * @return {!RegExp}\n */\n\n\nfunction pathToRegexp(path, keys, options) {\n if (!isarray(keys)) {\n options =\n /** @type {!Object} */\n keys || options;\n keys = [];\n }\n\n options = options || {};\n\n if (path instanceof RegExp) {\n return regexpToRegexp(path,\n /** @type {!Array} */\n keys);\n }\n\n if (isarray(path)) {\n return arrayToRegexp(\n /** @type {!Array} */\n path,\n /** @type {!Array} */\n keys, options);\n }\n\n return stringToRegexp(\n /** @type {string} */\n path,\n /** @type {!Array} */\n keys, options);\n}","map":null,"metadata":{},"sourceType":"script"} |