Function ComponentStyle

code/styling/public/app.js:21730–21742

(rules, attrs, componentId)

  var ComponentStyle = function () {
    function ComponentStyle(rules, attrs, componentId) {
      classCallCheck(this, ComponentStyle);

      this.rules = rules;
      this.isStatic = !isHRMEnabled && isStaticRules(rules, attrs);
      this.componentId = componentId;

      if (!StyleSheet.master.hasId(componentId)) {
        var placeholder = process.env.NODE_ENV !== 'production' ? ['.' + componentId + ' {}'] : [];

        StyleSheet.master.deferredInject(componentId, placeholder);
      }
    }

    /*
     * Flattens a rule set into valid CSS