wishthis/node_modules/rxjs/dist/cjs/internal/observable/zip.js
2022-06-08 12:36:39 +02:00

70 lines
No EOL
2.9 KiB
JavaScript

"use strict";
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
var __spreadArray = (this && this.__spreadArray) || function (to, from) {
for (var i = 0, il = from.length, j = to.length; i < il; i++, j++)
to[j] = from[i];
return to;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.zip = void 0;
var Observable_1 = require("../Observable");
var innerFrom_1 = require("./innerFrom");
var argsOrArgArray_1 = require("../util/argsOrArgArray");
var empty_1 = require("./empty");
var OperatorSubscriber_1 = require("../operators/OperatorSubscriber");
var args_1 = require("../util/args");
function zip() {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
var resultSelector = args_1.popResultSelector(args);
var sources = argsOrArgArray_1.argsOrArgArray(args);
return sources.length
? new Observable_1.Observable(function (subscriber) {
var buffers = sources.map(function () { return []; });
var completed = sources.map(function () { return false; });
subscriber.add(function () {
buffers = completed = null;
});
var _loop_1 = function (sourceIndex) {
innerFrom_1.innerFrom(sources[sourceIndex]).subscribe(OperatorSubscriber_1.createOperatorSubscriber(subscriber, function (value) {
buffers[sourceIndex].push(value);
if (buffers.every(function (buffer) { return buffer.length; })) {
var result = buffers.map(function (buffer) { return buffer.shift(); });
subscriber.next(resultSelector ? resultSelector.apply(void 0, __spreadArray([], __read(result))) : result);
if (buffers.some(function (buffer, i) { return !buffer.length && completed[i]; })) {
subscriber.complete();
}
}
}, function () {
completed[sourceIndex] = true;
!buffers[sourceIndex].length && subscriber.complete();
}));
};
for (var sourceIndex = 0; !subscriber.closed && sourceIndex < sources.length; sourceIndex++) {
_loop_1(sourceIndex);
}
return function () {
buffers = completed = null;
};
})
: empty_1.EMPTY;
}
exports.zip = zip;
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