unexpected token = for class properties in node 8.4

Question

running the following code in node (v8.4)

class TodoStore {
    todos = [];

    get completedTodosCount() {
        return this.todos.filter(
            to         


        

Answer 1

Instance class fields will be supported as of Node v12, so one solution is to use a version >= 12 once it is released.

https://node.green/#ESNEXT-candidate--stage-3--instance-class-fields

For now if you're interested the nightly builds are at: https://nodejs.org/download/nightly/