flow like the river

VISUALIZACION/node_modules/babel-helper-builder-react-jsx/README.md

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+# babel-helper-builder-react-jsx
+
+## Usage
+
+```javascript
+type ElementState = {
+  tagExpr: Object; // tag node
+  tagName: string; // raw string tag name
+  args: Array<Object>; // 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
+  }
+});
+```