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node_modules/core-js/modules/es.promise.all.js

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+'use strict';
+var $ = require('../internals/export');
+var call = require('../internals/function-call');
+var aCallable = require('../internals/a-callable');
+var newPromiseCapabilityModule = require('../internals/new-promise-capability');
+var perform = require('../internals/perform');
+var iterate = require('../internals/iterate');
+var PROMISE_STATICS_INCORRECT_ITERATION = require('../internals/promise-statics-incorrect-iteration');
+
+// `Promise.all` method
+// https://tc39.es/ecma262/#sec-promise.all
+$({ target: 'Promise', stat: true, forced: PROMISE_STATICS_INCORRECT_ITERATION }, {
+  all: function all(iterable) {
+    var C = this;
+    var capability = newPromiseCapabilityModule.f(C);
+    var resolve = capability.resolve;
+    var reject = capability.reject;
+    var result = perform(function () {
+      var $promiseResolve = aCallable(C.resolve);
+      var values = [];
+      var counter = 0;
+      var remaining = 1;
+      iterate(iterable, function (promise) {
+        var index = counter++;
+        var alreadyCalled = false;
+        remaining++;
+        call($promiseResolve, C, promise).then(function (value) {
+          if (alreadyCalled) return;
+          alreadyCalled = true;
+          values[index] = value;
+          --remaining || resolve(values);
+        }, reject);
+      });
+      --remaining || resolve(values);
+    });
+    if (result.error) reject(result.value);
+    return capability.promise;
+  }
+});