Codemod to transform can.proxy(fn, context); -> fn.bind(context);

removeCanProxy.js

export default function(file, api) {
    const j = api.jscodeshift;
    const root = j(file.source);
  
   const matchesCanProxy = exp => {
   	return exp.type === 'CallExpression' && (exp.callee.object.name === 'can' || exp.object.name === 'can') && (exp.callee.property.name === 'proxy' || exp.property.name === 'proxy')
   }

    const removeCanProxy = p => {
      	
        //accounts for assignment expressions with a right property
        var exp = p.node.expression.right || p.node.expression;

        if (matchesCanProxy(exp)) {
          var context = exp.arguments[1];
          var func = exp.arguments[0];
          var ast = j.callExpression(j.memberExpression(func, j.identifier('bind')), [context]);
          
          //accounts for assignment expressions with a right property
          p.node.expression.right ? p.node.expression.right = ast : p.node.expression = ast;
          
        }
    };
  
    return root
        .find(j.ExpressionStatement)
        .forEach(removeCanProxy)
        .toSource();
}