@ -21,7 +21,7 @@ AstWalker.prototype.walk = function (ast, callback) {
if (!('*' in callback)) {
callback['*'] = function () { return true }
}
if(ast){
if(ast) {
const nodes = ast.nodes || (ast.body && ast.body.statements) || ast.declarations || []
if(ast.body && ast.initializationExpression) // 'for' loop handling
nodes.push(ast.initializationExpression)