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node_modules/core-js/modules/esnext.observable.of.js

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+'use strict';
+var $ = require('../internals/export');
+var getBuiltIn = require('../internals/get-built-in');
+var isConstructor = require('../internals/is-constructor');
+var OBSERVABLE_FORCED = require('../internals/observable-forced');
+
+var Array = getBuiltIn('Array');
+
+// `Observable.of` method
+// https://github.com/tc39/proposal-observable
+$({ target: 'Observable', stat: true, forced: OBSERVABLE_FORCED }, {
+  of: function of() {
+    var C = isConstructor(this) ? this : getBuiltIn('Observable');
+    var length = arguments.length;
+    var items = Array(length);
+    var index = 0;
+    while (index < length) items[index] = arguments[index++];
+    return new C(function (observer) {
+      for (var i = 0; i < length; i++) {
+        observer.next(items[i]);
+        if (observer.closed) return;
+      } observer.complete();
+    });
+  }
+});