diff options
author | 2020-11-18 23:26:45 +0100 | |
---|---|---|
committer | 2020-11-18 23:26:45 +0100 | |
commit | 81ddf9b700bc48a1f8e472209f080f9c1d9a9b09 (patch) | |
tree | 8b959d50c5a614cbf9fcb346ed556140374d4b6d /node_modules/to-regex/index.js | |
parent | 1870f3fdf43707a15fda0f609a021f516f45eb63 (diff) | |
download | website_creator-81ddf9b700bc48a1f8e472209f080f9c1d9a9b09.tar.gz website_creator-81ddf9b700bc48a1f8e472209f080f9c1d9a9b09.tar.bz2 website_creator-81ddf9b700bc48a1f8e472209f080f9c1d9a9b09.zip |
rm node_modules
Diffstat (limited to 'node_modules/to-regex/index.js')
-rw-r--r-- | node_modules/to-regex/index.js | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/node_modules/to-regex/index.js b/node_modules/to-regex/index.js deleted file mode 100644 index a87d015..0000000 --- a/node_modules/to-regex/index.js +++ /dev/null @@ -1,155 +0,0 @@ -'use strict'; - -var safe = require('safe-regex'); -var define = require('define-property'); -var extend = require('extend-shallow'); -var not = require('regex-not'); -var MAX_LENGTH = 1024 * 64; - -/** - * Session cache - */ - -var cache = {}; - -/** - * Create a regular expression from the given `pattern` string. - * - * @param {String|RegExp} `pattern` Pattern can be a string or regular expression. - * @param {Object} `options` - * @return {RegExp} - * @api public - */ - -module.exports = function(patterns, options) { - if (!Array.isArray(patterns)) { - return makeRe(patterns, options); - } - return makeRe(patterns.join('|'), options); -}; - -/** - * Create a regular expression from the given `pattern` string. - * - * @param {String|RegExp} `pattern` Pattern can be a string or regular expression. - * @param {Object} `options` - * @return {RegExp} - * @api public - */ - -function makeRe(pattern, options) { - if (pattern instanceof RegExp) { - return pattern; - } - - if (typeof pattern !== 'string') { - throw new TypeError('expected a string'); - } - - if (pattern.length > MAX_LENGTH) { - throw new Error('expected pattern to be less than ' + MAX_LENGTH + ' characters'); - } - - var key = pattern; - // do this before shallow cloning options, it's a lot faster - if (!options || (options && options.cache !== false)) { - key = createKey(pattern, options); - - if (cache.hasOwnProperty(key)) { - return cache[key]; - } - } - - var opts = extend({}, options); - if (opts.contains === true) { - if (opts.negate === true) { - opts.strictNegate = false; - } else { - opts.strict = false; - } - } - - if (opts.strict === false) { - opts.strictOpen = false; - opts.strictClose = false; - } - - var open = opts.strictOpen !== false ? '^' : ''; - var close = opts.strictClose !== false ? '$' : ''; - var flags = opts.flags || ''; - var regex; - - if (opts.nocase === true && !/i/.test(flags)) { - flags += 'i'; - } - - try { - if (opts.negate || typeof opts.strictNegate === 'boolean') { - pattern = not.create(pattern, opts); - } - - var str = open + '(?:' + pattern + ')' + close; - regex = new RegExp(str, flags); - - if (opts.safe === true && safe(regex) === false) { - throw new Error('potentially unsafe regular expression: ' + regex.source); - } - - } catch (err) { - if (opts.strictErrors === true || opts.safe === true) { - err.key = key; - err.pattern = pattern; - err.originalOptions = options; - err.createdOptions = opts; - throw err; - } - - try { - regex = new RegExp('^' + pattern.replace(/(\W)/g, '\\$1') + '$'); - } catch (err) { - regex = /.^/; //<= match nothing - } - } - - if (opts.cache !== false) { - memoize(regex, key, pattern, opts); - } - return regex; -} - -/** - * Memoize generated regex. This can result in dramatic speed improvements - * and simplify debugging by adding options and pattern to the regex. It can be - * disabled by passing setting `options.cache` to false. - */ - -function memoize(regex, key, pattern, options) { - define(regex, 'cached', true); - define(regex, 'pattern', pattern); - define(regex, 'options', options); - define(regex, 'key', key); - cache[key] = regex; -} - -/** - * Create the key to use for memoization. The key is generated - * by iterating over the options and concatenating key-value pairs - * to the pattern string. - */ - -function createKey(pattern, options) { - if (!options) return pattern; - var key = pattern; - for (var prop in options) { - if (options.hasOwnProperty(prop)) { - key += ';' + prop + '=' + String(options[prop]); - } - } - return key; -} - -/** - * Expose `makeRe` - */ - -module.exports.makeRe = makeRe; |