strapi/packages/strapi-generate/lib/util.js

'use strict';

/**
 * From Express core: (MIT License)
 *
 * Normalize the given path string,
 * returning a regular expression.
 *
 * An empty array should be passed,
 * which will contain the placeholder
 * key names. For example "/user/:id" will
 * then contain ["id"].
 *
 * @param  {String|RegExp|Array} path
 * @param  {Array} keys
 * @param  {Boolean} sensitive
 * @param  {Boolean} strict
 * @return {RegExp}
 * @api private
 */

exports.pathRegexp = (path, keys, sensitive, strict) => {
  if (toString.call(path) === '[object RegExp]') {
    return path;
  }
  if (Array.isArray(path)) {
    path = '(' + path.join('|') + ')';
  }
  path = path
    .concat(strict ? '' : '/?')
    .replace(/\/\(/g, '(?:/')
    .replace(/(\/)?(\.)?:(\w+)(?:(\(.*?\)))?(\?)?(\*)?/g, (_, slash, format, key, capture, optional, star) => {
      keys.push({
        name: key,
        optional: !!optional
      });
      slash = slash || '';
      return '' + (optional ? '' : slash) + '(?:' + (optional ? slash : '') + (format || '') + (capture || (format && '([^/.]+?)' || '([^/]+?)')) + ')' + (optional || '') + (star ? '(/*)?' : '');
    })
    .replace(/([\/.])/g, '\\$1')
    .replace(/\*/g, '(.*)');
  return new RegExp('^' + path + '$', sensitive ? '' : 'i');
};