Function createLatch

test/shared/protocol.test.ts:111–125

()

}

function createLatch() {
    let latch = false;
    const waitForLatch = async () => {
        while (!latch) {
            await new Promise(resolve => setTimeout(resolve, 0));
        }
    };

    return {
        releaseLatch: () => {
            latch = true;
        },
        waitForLatch
    };
}

function assertErrorResponse(o: ResponseMessage<Result>): asserts o is ErrorMessage {
    expect(o.type).toBe('error');