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44 lines
1.2 KiB
JavaScript
44 lines
1.2 KiB
JavaScript
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'use strict';
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/**
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* From Express core: (MIT License)
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*
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* Normalize the given path string,
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* returning a regular expression.
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*
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* An empty array should be passed,
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* which will contain the placeholder
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* key names. For example "/user/:id" will
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* then contain ["id"].
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*
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* @param {String|RegExp|Array} path
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* @param {Array} keys
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* @param {Boolean} sensitive
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* @param {Boolean} strict
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* @return {RegExp}
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* @api private
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*/
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exports.pathRegexp = function (path, keys, sensitive, strict) {
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if (toString.call(path) === '[object RegExp]') {
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return path;
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}
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if (Array.isArray(path)) {
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path = '(' + path.join('|') + ')';
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}
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path = path
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.concat(strict ? '' : '/?')
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.replace(/\/\(/g, '(?:/')
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.replace(/(\/)?(\.)?:(\w+)(?:(\(.*?\)))?(\?)?(\*)?/g, function (_, slash, format, key, capture, optional, star) {
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keys.push({
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name: key,
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optional: !!optional
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});
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slash = slash || '';
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return '' + (optional ? '' : slash) + '(?:' + (optional ? slash : '') + (format || '') + (capture || (format && '([^/.]+?)' || '([^/]+?)')) + ')' + (optional || '') + (star ? '(/*)?' : '');
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})
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.replace(/([\/.])/g, '\\$1')
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.replace(/\*/g, '(.*)');
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return new RegExp('^' + path + '$', sensitive ? '' : 'i');
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};
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