Function validateKeyword

src/common/style/CartoCSS.js:4164–4172

(value, selector)

        }

        function validateKeyword(value, selector) {
            if (typeof this.selector(selector).type === 'object') {
                return this.selector(selector).type
                    .indexOf(value.value[0].value) !== -1;
            } else {
                // allow unquoted keywords as strings
                return this.selector(selector).type === 'string';
            }
        }

        var i;
        if (!this.selector(selector)) {