Method onmessage

test/helpers/createFakeWorker.js:151–161

(/** @type {(event: { data: unknown }) => void} */ value)

		// eslint-disable-next-line accessor-pairs
		set onmessage(/** @type {(event: { data: unknown }) => void} */ value) {
			if (this._onmessage) this.worker.off("message", this._onmessage);
			this.worker.on(
				"message",
				(this._onmessage = (data) => {
					value({
						data
					});
				})
			);
		}

		postMessage(/** @type {unknown} */ data) {
			this.worker.postMessage(data);