diff options
Diffstat (limited to 'node_modules/rxjs/dist/esm5/internal/observable/zip.js')
| -rw-r--r-- | node_modules/rxjs/dist/esm5/internal/observable/zip.js | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/node_modules/rxjs/dist/esm5/internal/observable/zip.js b/node_modules/rxjs/dist/esm5/internal/observable/zip.js new file mode 100644 index 0000000..a3b2b24 --- /dev/null +++ b/node_modules/rxjs/dist/esm5/internal/observable/zip.js @@ -0,0 +1,46 @@ +import { __read, __spreadArray } from "tslib"; +import { Observable } from '../Observable'; +import { innerFrom } from './innerFrom'; +import { argsOrArgArray } from '../util/argsOrArgArray'; +import { EMPTY } from './empty'; +import { createOperatorSubscriber } from '../operators/OperatorSubscriber'; +import { popResultSelector } from '../util/args'; +export function zip() { + var args = []; + for (var _i = 0; _i < arguments.length; _i++) { + args[_i] = arguments[_i]; + } + var resultSelector = popResultSelector(args); + var sources = argsOrArgArray(args); + return sources.length + ? new 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(sources[sourceIndex]).subscribe(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; +} +//# sourceMappingURL=zip.js.map
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