106 lines
3.8 KiB
JavaScript
106 lines
3.8 KiB
JavaScript
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/** PURE_IMPORTS_START _Observable,_AsyncSubject,_operators_map,_util_canReportError,_util_isArray,_util_isScheduler PURE_IMPORTS_END */
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import { Observable } from '../Observable';
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import { AsyncSubject } from '../AsyncSubject';
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import { map } from '../operators/map';
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import { canReportError } from '../util/canReportError';
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import { isArray } from '../util/isArray';
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import { isScheduler } from '../util/isScheduler';
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export function bindCallback(callbackFunc, resultSelector, scheduler) {
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if (resultSelector) {
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if (isScheduler(resultSelector)) {
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scheduler = resultSelector;
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}
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else {
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return function () {
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var args = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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args[_i] = arguments[_i];
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}
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return bindCallback(callbackFunc, scheduler).apply(void 0, args).pipe(map(function (args) { return isArray(args) ? resultSelector.apply(void 0, args) : resultSelector(args); }));
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};
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}
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}
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return function () {
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var args = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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args[_i] = arguments[_i];
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}
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var context = this;
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var subject;
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var params = {
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context: context,
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subject: subject,
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callbackFunc: callbackFunc,
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scheduler: scheduler,
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};
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return new Observable(function (subscriber) {
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if (!scheduler) {
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if (!subject) {
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subject = new AsyncSubject();
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var handler = function () {
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var innerArgs = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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innerArgs[_i] = arguments[_i];
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}
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subject.next(innerArgs.length <= 1 ? innerArgs[0] : innerArgs);
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subject.complete();
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};
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try {
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callbackFunc.apply(context, args.concat([handler]));
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}
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catch (err) {
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if (canReportError(subject)) {
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subject.error(err);
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}
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else {
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console.warn(err);
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}
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}
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}
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return subject.subscribe(subscriber);
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}
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else {
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var state = {
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args: args, subscriber: subscriber, params: params,
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};
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return scheduler.schedule(dispatch, 0, state);
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}
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});
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};
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}
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function dispatch(state) {
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var _this = this;
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var self = this;
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var args = state.args, subscriber = state.subscriber, params = state.params;
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var callbackFunc = params.callbackFunc, context = params.context, scheduler = params.scheduler;
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var subject = params.subject;
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if (!subject) {
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subject = params.subject = new AsyncSubject();
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var handler = function () {
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var innerArgs = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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innerArgs[_i] = arguments[_i];
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}
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var value = innerArgs.length <= 1 ? innerArgs[0] : innerArgs;
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_this.add(scheduler.schedule(dispatchNext, 0, { value: value, subject: subject }));
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};
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try {
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callbackFunc.apply(context, args.concat([handler]));
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}
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catch (err) {
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subject.error(err);
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}
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}
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this.add(subject.subscribe(subscriber));
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}
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function dispatchNext(state) {
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var value = state.value, subject = state.subject;
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subject.next(value);
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subject.complete();
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}
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function dispatchError(state) {
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var err = state.err, subject = state.subject;
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subject.error(err);
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}
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//# sourceMappingURL=bindCallback.js.map
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