firstValueFrom.jsā¢952 B
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.firstValueFrom = void 0;
var EmptyError_1 = require("./util/EmptyError");
var Subscriber_1 = require("./Subscriber");
function firstValueFrom(source, config) {
var hasConfig = typeof config === 'object';
return new Promise(function (resolve, reject) {
var subscriber = new Subscriber_1.SafeSubscriber({
next: function (value) {
resolve(value);
subscriber.unsubscribe();
},
error: reject,
complete: function () {
if (hasConfig) {
resolve(config.defaultValue);
}
else {
reject(new EmptyError_1.EmptyError());
}
},
});
source.subscribe(subscriber);
});
}
exports.firstValueFrom = firstValueFrom;
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