Method parse

src/v6/valueParsers/booleanParser.js:13–21

(val)

            this.falseList = ["false"];
    }
    parse(val){
        if (typeof val === 'string') {
            //TODO: performance: don't convert
            const temp = val.toLowerCase();
            if(this.trueList.indexOf(temp) !== -1) return true;
            else if(this.falseList.indexOf(temp) !== -1 ) return false;
        }
        return val;
    }
}