one/dist/esm/platform/data-scanner/recognizedItems.native.js

One is a React framework for web, iOS, and Android apps.

function recognizedItems(native) {
	return { [Symbol.asyncIterator]() {
		var queue = [];
		var waiting = [];
		var ended = false;
		var canceled = false;
		var end = function end2() {
			ended = true;
			var _iteratorNormalCompletion = true, _didIteratorError = false, _iteratorError = void 0;
			try {
				for (var _iterator = waiting.splice(0)[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
					var resolve = _step.value;
					resolve({
						done: true,
						value: void 0
					});
				}
			} catch (err) {
				_didIteratorError = true;
				_iteratorError = err;
			} finally {
				try {
					if (!_iteratorNormalCompletion && _iterator.return != null) {
						_iterator.return();
					}
				} finally {
					if (_didIteratorError) {
						throw _iteratorError;
					}
				}
			}
		};
		var id = native.subscribeRecognizedItems(function(items) {
			if (ended) return;
			var resolve = waiting.shift();
			if (resolve) resolve({
				done: false,
				value: items
			});
			else queue.push(items);
		}, end);
		return {
			next() {
				var value = queue.shift();
				if (value) return Promise.resolve({
					done: false,
					value
				});
				if (ended) return Promise.resolve({
					done: true,
					value: void 0
				});
				return new Promise(function(resolve) {
					return waiting.push(resolve);
				});
			},
			async return() {
				queue.length = 0;
				end();
				if (!canceled) {
					canceled = true;
					native.unsubscribeRecognizedItems(id);
				}
				return {
					done: true,
					value: void 0
				};
			}
		};
	} };
}

export { recognizedItems };
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