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build/node_modules/prepack/lib/intrinsics/ecma262/ArrayBuffer.js

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+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }(); /**
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          * Copyright (c) 2017-present, Facebook, Inc.
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          * All rights reserved.
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          *
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          * This source code is licensed under the BSD-style license found in the
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          * LICENSE file in the root directory of this source tree. An additional grant
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          * of patent rights can be found in the PATENTS file in the same directory.
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          */
+
+exports.default = function (realm) {
+  // ECMA262 24.1.2.1
+  var func = new _index.NativeFunctionValue(realm, "ArrayBuffer", "ArrayBuffer", 1, function (context, _ref, argCount, NewTarget) {
+    var _ref2 = _slicedToArray(_ref, 1),
+        length = _ref2[0];
+
+    // 1. If NewTarget is undefined, throw a TypeError exception.
+    if (!NewTarget) {
+      throw realm.createErrorThrowCompletion(realm.intrinsics.TypeError);
+    }
+
+    // 2. Let byteLength be ToIndex(numberLength).
+    var byteLength = _singletons.To.ToIndexPartial(realm, length);
+
+    // 3. Return ? AllocateArrayBuffer(NewTarget, byteLength).
+    return (0, _arraybuffer.AllocateArrayBuffer)(realm, NewTarget, byteLength);
+  });
+
+  // ECMA262 24.1.3.1
+  func.defineNativeMethod("isView", 1, function (context, _ref3) {
+    var _ref4 = _slicedToArray(_ref3, 1),
+        arg = _ref4[0];
+
+    // 1. If Type(arg) is not Object, return false.
+    if (!arg.mightBeObject()) return realm.intrinsics.false;
+
+    // 2. If arg has a [[ViewedArrayBuffer]] internal slot, return true.
+    arg = arg.throwIfNotConcreteObject();
+    if ("$ViewedArrayBuffer" in arg) return realm.intrinsics.true;
+
+    // 3. Return false.
+    return realm.intrinsics.false;
+  });
+
+  // ECMA262 24.1.3.3
+  func.defineNativeGetter(realm.intrinsics.SymbolSpecies, function (context) {
+    // 1. Return the this value
+    return context;
+  });
+
+  return func;
+};
+
+var _index = require("../../values/index.js");
+
+var _singletons = require("../../singletons.js");
+
+var _arraybuffer = require("../../methods/arraybuffer.js");
+//# sourceMappingURL=ArrayBuffer.js.map