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authorDimitri Staessens <dimitri@ouroboros.rocks>2019-10-06 21:37:45 +0200
committerDimitri Staessens <dimitri@ouroboros.rocks>2019-10-06 21:37:45 +0200
commit3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 (patch)
treec7ccc8279b12c4f7bdbbb4270d617e48f51722e4 /node_modules/to-regex/index.js
parent412c104bebc507bea9c94fd53b5bdc4b64cbfe31 (diff)
downloadwebsite-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.tar.gz
website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.zip
build: Add some required modules for node
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diff --git a/node_modules/to-regex/index.js b/node_modules/to-regex/index.js
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+'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;