sp-dev-fx-webparts/samples/vuejs-todo-single-file-component/config/config.json

{
  "$schema": "https://dev.office.com/json-schemas/spfx-build/config.2.0.schema.json",
  "version": "2.0",
  "bundles": {
    "to-do-bundle": {
      "components": [
        {
          "entrypoint": "./lib/webparts/toDo/ToDoWebPart.js",
          "manifest": "./src/webparts/toDo/ToDoWebPart.manifest.json"
        }
      ]
    }
  },
  "localizedResources": {
    "toDoStrings": "lib/webparts/toDo/loc/{locale}.js"
  }
}