node_modules/cssom/lib/MatcherList.js

//.CommonJS
var CSSOM = {};
///CommonJS


/**
 * @constructor
 * @see https://developer.mozilla.org/en/CSS/@-moz-document
 */
CSSOM.MatcherList = function MatcherList(){
    this.length = 0;
};

CSSOM.MatcherList.prototype = {

    constructor: CSSOM.MatcherList,

    /**
     * @return {string}
     */
    get matcherText() {
        return Array.prototype.join.call(this, ", ");
    },

    /**
     * @param {string} value
     */
    set matcherText(value) {
        // just a temporary solution, actually it may be wrong by just split the value with ',', because a url can include ','.
        var values = value.split(",");
        var length = this.length = values.length;
        for (var i=0; i<length; i++) {
            this[i] = values[i].trim();
        }
    },

    /**
     * @param {string} matcher
     */
    appendMatcher: function(matcher) {
        if (Array.prototype.indexOf.call(this, matcher) === -1) {
            this[this.length] = matcher;
            this.length++;
        }
    },

    /**
     * @param {string} matcher
     */
    deleteMatcher: function(matcher) {
        var index = Array.prototype.indexOf.call(this, matcher);
        if (index !== -1) {
            Array.prototype.splice.call(this, index, 1);
        }
    }

};


//.CommonJS
exports.MatcherList = CSSOM.MatcherList;
///CommonJS