# babel-helper-builder-react-jsx ## Usage ```javascript type ElementState = { tagExpr: Object; // tag node tagName: string; // raw string tag name args: Array; // array of call arguments call?: Object; // optional call property that can be set to override the call expression returned pre?: Function; // function called with (state: ElementState) before building attribs post?: Function; // function called with (state: ElementState) after building attribs }; require("babel-helper-builder-react-jsx")({ pre: function (state: ElementState) { // called before building the element }, post: function (state: ElementState) { // called after building the element } }); ```