Typescript invalid character error

[wangyangjun]

Invalid character. TS1127

    3 | import { OnDidChangeCallback, Options, Unsubscribe, Schema, OnDidAnyChangeCallback } from './types';
    4 | declare class Conf<T extends Record<string, any> = Record<string, unknown>> implements Iterable<[keyof T, T[keyof T]]> {
  > 5 |     #private;
      |     ^
    6 |     readonly path: string;
    7 |     readonly events: EventEmitter;
    8 |     constructor(partialOptions?: Readonly<Partial<Options<T>>>);

[wangyangjun]

For anyone see this issue also, I got this error in a project created by react-create-app. It is because the version of typescript is ~3.7.2, but private field # was introduced after 3.8.0. Just upgrade typescript version, it should be fixed.