eslint-config-airbnb-standard/node_modules/@babel/runtime/helpers/esm/initializerWarningHelper.js

Airbnb's JS ESLint config + JS Standard Style + semicolons

export default function _initializerWarningHelper(descriptor, context) {
  throw new Error('Decorating class property failed. Please ensure that ' + 'proposal-class-properties is enabled and runs after the decorators transform.');
}