marbles/es5/marbles/http/link_header.js

Front-end framework for routing, http, and data handling

"use strict";

Object.defineProperty(exports, "__esModule", {
	value: true
});
/* @flow weak */
var LINK_SPLITTER = /,[\s\r\n]*/;
var LINK_MATCHER = /<([^>]+)>((?:[\s\r\n]|.)*)/;
var ATTR_SPLITTER = /[\s\r\n]*;[\s\r\n]*/;
var ATTR_MATCHER = /([^=]+)=['"]?([^'"]+)['"]?/;

/**
 * @memberof Marbles.HTTP
 * @mixin
 */
var LinkHeader = {
	/**
  * @memberof Marbles.HTTP.LinkHeader
  * @method
  * @param {String} linkHeader String returned from `xhr.getResponseHeader("Link")`
  * @returns {Array} Array of objects representing each link
  * @example
  *	Marbles.HTTP.LinkHeader.parse('<?page=2>; rel="next", <?page=1>; rel="prev"');
  *	//=> [{"href":"?page=2","rel":"next"},{"href":"?page=1","rel":"prev"}]
  */
	parse: function parse(linkHeaderStr) {
		var links = [];
		var ref = linkHeaderStr.split(LINK_SPLITTER);
		var i, _len, match, link;
		var j, _r, _l;
		for (i = 0, _len = ref.length; i < _len; i++) {
			match = ref[i].match(LINK_MATCHER);
			if (!match) {
				continue;
			}

			link = {
				href: match[1]
			};
			_r = match[2].split(ATTR_SPLITTER);
			for (j = 0, _l = _r.length; j < _l; j++) {
				match = _r[j].match(ATTR_MATCHER);
				if (!match) {
					continue;
				}

				link[match[1]] = match[2];
			}

			links.push(link);
		}

		return links;
	}
};

exports["default"] = LinkHeader;
module.exports = exports["default"];