Method toJS

src/common/style/CartoCSS.js:3358–3397

(env)

    }

    toJS(env) {
        var shaderAttrs = {};

        // merge conditions from filters with zoom condition of the
        // definition
        var zoom = this.zoom;
        //var frame_offset = this.frame_offset;
        var _if = this.filters.toJS(env);
        var filters = [zoom];
        if (_if) {filters.push(_if);}
        //if(frame_offset) filters.push('ctx["frame-offset"] === ' + frame_offset);
        _if = filters.join(" && ");

        function eachRule(rule) {
            if (rule instanceof CartoCSS.Tree.Rule) {
                shaderAttrs[rule.name] = shaderAttrs[rule.name] || [];
                if (_if) {
                    shaderAttrs[rule.name].push(
                        "if(" + _if + "){" + rule.value.toJS(env) + "}"
                    );
                } else {
                    shaderAttrs[rule.name].push(rule.value.toJS(env));
                }
            } else {
                if (rule instanceof CartoCSS.Tree.Ruleset) {
                    var sh = rule.toJS(env);
                    for (var v in sh) {
                        shaderAttrs[v] = shaderAttrs[v] || [];
                        for (var attr in sh[v]) {
                            shaderAttrs[v].push(sh[v][attr]);
                        }
                    }
                }
            }
        }
        for (var id in this.rules) {
            eachRule(this.rules[id]);
        }
        return shaderAttrs;
    }
};

CartoCSS.Tree.Dimension = class Dimension {