Pause async thread and continue using a separate thread

pauser.ts

export default class Pauser {

    private paused: boolean = false;
    private resolve: any = undefined;

    Pause() {
        if( this.paused ) return;
        this.paused = true;
        return new Promise((res) => { this.resolve = res; });
    }

    Continue() { if( this.paused ) { this.resolve(); this.paused = false; } }

}