# babel-plugin-syntax-class-constructor-call (deprecated) > Proposal Withdrawn: can be solved with decorators. Allow parsing of call constructors. ## Installation ```sh $ npm install babel-plugin-syntax-class-constructor-call ``` ## Usage ### Via `.babelrc` (Recommended) **.babelrc** ```json { "plugins": ["syntax-class-constructor-call"] } ``` ### Via CLI ```sh $ babel --plugins syntax-class-constructor-call script.js ``` ### Via Node API ```javascript require("babel-core").transform("code", { plugins: ["syntax-class-constructor-call"] }); ``` ## References * [Inactive Proposals](https://github.com/tc39/proposals/blob/master/inactive-proposals.md) * [Proposal: Call Constructor](https://github.com/tc39/ecma262/blob/master/workingdocs/callconstructor.md) * [Blog post: ECMAScript proposal: function-callable classes](http://www.2ality.com/2015/10/call-constructor-esprop.html)