| "use strict"; |
| Object.defineProperty(exports, "__esModule", { value: true }); |
| var Observable_1 = require("../Observable"); |
| var isArray_1 = require("../util/isArray"); |
| var isFunction_1 = require("../util/isFunction"); |
| var map_1 = require("../operators/map"); |
| function fromEventPattern(addHandler, removeHandler, resultSelector) { |
| if (resultSelector) { |
| return fromEventPattern(addHandler, removeHandler).pipe(map_1.map(function (args) { return isArray_1.isArray(args) ? resultSelector.apply(void 0, args) : resultSelector(args); })); |
| } |
| return new Observable_1.Observable(function (subscriber) { |
| var handler = function () { |
| var e = []; |
| for (var _i = 0; _i < arguments.length; _i++) { |
| e[_i] = arguments[_i]; |
| } |
| return subscriber.next(e.length === 1 ? e[0] : e); |
| }; |
| var retValue; |
| try { |
| retValue = addHandler(handler); |
| } |
| catch (err) { |
| subscriber.error(err); |
| return undefined; |
| } |
| if (!isFunction_1.isFunction(removeHandler)) { |
| return undefined; |
| } |
| return function () { return removeHandler(handler, retValue); }; |
| }); |
| } |
| exports.fromEventPattern = fromEventPattern; |
| //# sourceMappingURL=fromEventPattern.js.map |