babel-plugin-autobind-class-methods/lib/index.js

Babel plugin that binds every class method to "this" with hot reload support

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
var IGNORED_METHODS = ['componentWillMount', 'componentDidMount', 'componentWillReceiveProps', 'shouldComponentUpdate', 'componentWillUpdate', 'componentDidUpdate', 'componentWillUnmount', 'render'];
var buildBoundMethod = function buildBoundMethod(types, methodName) {
  return types.classProperty(types.identifier(methodName), types.callExpression(types.memberExpression(types.memberExpression(types.thisExpression(), types.identifier(methodName), false), types.identifier('bind'), false), [types.thisExpression()]));
};

exports.default = function (_ref) {
  var types = _ref.types;
  return {
    visitor: {
      ClassExpression: function ClassExpression(path, state) {
        var classBody = path.get('body');

        classBody.pushContainer('body', classBody.get('body').filter(function (node) {
          return node.isClassMethod({ kind: 'method' }) && IGNORED_METHODS.indexOf(node.node.key.name) == -1 && !node.node.static;
        }).map(function (node) {
          return buildBoundMethod(types, node.node.key.name);
        }));
      }
    }
  };
};