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build/node_modules/prepack/lib/intrinsics/ecma262/Promise.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 25.4.3.1
+  var func = new _index.NativeFunctionValue(realm, "Promise", "Promise", 1, function (context, _ref, argCount, NewTarget) {
+    var _ref2 = _slicedToArray(_ref, 1),
+        executor = _ref2[0];
+
+    // 1. If NewTarget is undefined, throw a TypeError exception.
+    if (!NewTarget) {
+      throw realm.createErrorThrowCompletion(realm.intrinsics.TypeError);
+    }
+
+    // 2. If IsCallable(executor) is false, throw a TypeError exception.
+    if (!(0, _index2.IsCallable)(realm, executor)) {
+      throw realm.createErrorThrowCompletion(realm.intrinsics.TypeError);
+    }
+
+    // 3. Let promise be ? OrdinaryCreateFromConstructor(NewTarget, "%PromisePrototype%", « [[PromiseState]], [[PromiseResult]], [[PromiseFulfillReactions]], [[PromiseRejectReactions]], [[PromiseIsHandled]] »).
+    var promise = _singletons.Create.OrdinaryCreateFromConstructor(realm, NewTarget, "PromisePrototype", {
+      $PromiseState: undefined,
+      $PromiseResult: undefined,
+      $PromiseFulfillReactions: undefined,
+      $PromiseRejectReactions: undefined,
+      $PromiseIsHandled: undefined
+    });
+
+    // 4. Set promise's [[PromiseState]] internal slot to "pending".
+    promise.$PromiseState = "pending";
+
+    // 5. Set promise's [[PromiseFulfillReactions]] internal slot to a new empty List.
+    promise.$PromiseFulfillReactions = [];
+
+    // 6. Set promise's [[PromiseRejectReactions]] internal slot to a new empty List.
+    promise.$PromiseRejectReactions = [];
+
+    // 7. Set promise's [[PromiseIsHandled]] internal slot to false.
+    promise.$PromiseIsHandled = false;
+
+    // 8. Let resolvingFunctions be CreateResolvingFunctions(promise).
+    var resolvingFunctions = (0, _promise.CreateResolvingFunctions)(realm, promise);
+
+    // 9. Let completion be Call(executor, undefined, « resolvingFunctions.[[Resolve]], resolvingFunctions.[[Reject]] »).
+    var completion = void 0;
+    try {
+      completion = (0, _index2.Call)(realm, executor, realm.intrinsics.undefined, [resolvingFunctions.resolve, resolvingFunctions.reject]);
+    } catch (err) {
+      if (err instanceof _completions.AbruptCompletion) {
+        completion = err;
+      } else {
+        throw err;
+      }
+    }
+
+    // 10. If completion is an abrupt completion, then
+    if (completion instanceof _completions.AbruptCompletion) {
+      // a. Perform ? Call(resolvingFunctions.[[Reject]], undefined, « completion.[[Value]] »).
+      (0, _index2.Call)(realm, resolvingFunctions.reject, realm.intrinsics.undefined, [completion.value]);
+    }
+
+    // 11. Return promise.
+    return promise;
+  });
+
+  // ECMA262 25.4.4.1
+  func.defineNativeMethod("all", 1, function (context, _ref3) {
+    var _ref4 = _slicedToArray(_ref3, 1),
+        iterable = _ref4[0];
+
+    // 1. Let C be the this value.
+    var C = context.throwIfNotConcrete();
+
+    // 2. If Type(C) is not Object, throw a TypeError exception.
+    if (!(C instanceof _index.ObjectValue)) {
+      throw realm.createErrorThrowCompletion(realm.intrinsics.TypeError);
+    }
+
+    // 3. Let promiseCapability be ? NewPromiseCapability(C).
+    var promiseCapability = (0, _promise.NewPromiseCapability)(realm, C);
+
+    // 4. Let iterator be GetIterator(iterable).
+    var iterator = void 0;
+    try {
+      iterator = (0, _index2.GetIterator)(realm, iterable);
+    } catch (e) {
+      if (e instanceof _completions.AbruptCompletion) {
+        // 5. IfAbruptRejectPromise(iterator, promiseCapability).
+        (0, _index2.Call)(realm, promiseCapability.reject, realm.intrinsics.undefined, [e.value]);
+        return promiseCapability.promise;
+      } else throw e;
+    }
+
+    // 6. Let iteratorRecord be Record {[[Iterator]]: iterator, [[Done]]: false}.
+    var iteratorRecord = { $Iterator: iterator, $Done: false };
+
+    // 7. Let result be PerformPromiseAll(iteratorRecord, C, promiseCapability).
+    var result = void 0;
+    try {
+      (0, _invariant2.default)(C instanceof _index.FunctionValue);
+      result = (0, _promise.PerformPromiseAll)(realm, iteratorRecord, C, promiseCapability);
+    } catch (e) {
+      // 8. If result is an abrupt completion, then
+      if (e instanceof _completions.AbruptCompletion) {
+        // a. If iteratorRecord.[[Done]] is false, let result be IteratorClose(iterator, result).
+        if (iteratorRecord.$Done === false) {
+          try {
+            result = (0, _iterator.IteratorClose)(realm, iterator, e).value;
+          } catch (resultCompletion) {
+            if (resultCompletion instanceof _completions.AbruptCompletion) {
+              result = resultCompletion.value;
+            } else throw resultCompletion;
+          }
+        } else {
+          result = e.value;
+        }
+
+        // b. IfAbruptRejectPromise(result, promiseCapability).
+        (0, _index2.Call)(realm, promiseCapability.reject, realm.intrinsics.undefined, [result]);
+        return promiseCapability.promise;
+      } else throw e;
+    }
+
+    // 9. Return Completion(result).
+    return result;
+  });
+
+  // ECMA262 25.4.4.3
+  func.defineNativeMethod("race", 1, function (context, _ref5) {
+    var _ref6 = _slicedToArray(_ref5, 1),
+        iterable = _ref6[0];
+
+    // 1. Let C be the this value.
+    var C = context.throwIfNotConcrete();
+
+    // 2. If Type(C) is not Object, throw a TypeError exception.
+    if (!(C instanceof _index.ObjectValue)) {
+      throw realm.createErrorThrowCompletion(realm.intrinsics.TypeError);
+    }
+
+    // 3. Let promiseCapability be ? NewPromiseCapability(C).
+    var promiseCapability = (0, _promise.NewPromiseCapability)(realm, C);
+
+    // 4. Let iterator be GetIterator(iterable).
+    var iterator = void 0;
+    try {
+      iterator = (0, _index2.GetIterator)(realm, iterable);
+    } catch (e) {
+      if (e instanceof _completions.AbruptCompletion) {
+        // 5. IfAbruptRejectPromise(iterator, promiseCapability).
+        (0, _index2.Call)(realm, promiseCapability.reject, realm.intrinsics.undefined, [e.value]);
+        return promiseCapability.promise;
+      } else throw e;
+    }
+
+    // 6. Let iteratorRecord be Record {[[Iterator]]: iterator, [[Done]]: false}.
+    var iteratorRecord = { $Iterator: iterator, $Done: false };
+
+    // 7. Let result be PerformPromiseRace(iteratorRecord, promiseCapability, C).
+    var result = void 0;
+    try {
+      result = (0, _promise.PerformPromiseRace)(realm, iteratorRecord, promiseCapability, C);
+    } catch (e) {
+      // 8. If result is an abrupt completion, then
+      if (e instanceof _completions.AbruptCompletion) {
+        // a. If iteratorRecord.[[Done]] is false, let result be IteratorClose(iterator, result).
+        if (iteratorRecord.$Done === false) {
+          try {
+            result = (0, _iterator.IteratorClose)(realm, iterator, e).value;
+          } catch (resultCompletion) {
+            if (resultCompletion instanceof _completions.AbruptCompletion) {
+              result = resultCompletion.value;
+            } else throw resultCompletion;
+          }
+        } else {
+          result = e.value;
+        }
+
+        // b. IfAbruptRejectPromise(result, promiseCapability).
+        (0, _index2.Call)(realm, promiseCapability.reject, realm.intrinsics.undefined, [result]);
+        return promiseCapability.promise;
+      } else throw e;
+    }
+
+    // 9. Return Completion(result).
+    return result;
+  });
+
+  // ECMA262 25.4.4.4
+  func.defineNativeMethod("reject", 1, function (context, _ref7) {
+    var _ref8 = _slicedToArray(_ref7, 1),
+        r = _ref8[0];
+
+    // 1. Let C be the this value.
+    var C = context.throwIfNotConcrete();
+
+    // 2. If Type(C) is not Object, throw a TypeError exception.
+    if (!(C instanceof _index.ObjectValue)) {
+      throw realm.createErrorThrowCompletion(realm.intrinsics.TypeError);
+    }
+
+    // 3. Let promiseCapability be ? NewPromiseCapability(C).
+    var promiseCapability = (0, _promise.NewPromiseCapability)(realm, C);
+
+    // 4. Perform ? Call(promiseCapability.[[Reject]], undefined, « r »).
+    (0, _index2.Call)(realm, promiseCapability.reject, realm.intrinsics.undefined, [r]);
+
+    // 5. Return promiseCapability.[[Promise]].
+    return promiseCapability.promise;
+  });
+
+  // ECMA262 25.4.4.5
+  func.defineNativeMethod("resolve", 1, function (context, _ref9) {
+    var _ref10 = _slicedToArray(_ref9, 1),
+        x = _ref10[0];
+
+    // 1. Let C be the this value.
+    var C = context.throwIfNotConcrete();
+
+    // 2. If Type(C) is not Object, throw a TypeError exception.
+    if (!(C instanceof _index.ObjectValue)) {
+      throw realm.createErrorThrowCompletion(realm.intrinsics.TypeError);
+    }
+
+    // 3. If IsPromise(x) is true, then
+    if ((0, _index2.IsPromise)(realm, x)) {
+      (0, _invariant2.default)(x instanceof _index.ObjectValue);
+      // a. Let xConstructor be ? Get(x, "constructor").
+      var xConstructor = (0, _index2.Get)(realm, x, "constructor");
+
+      // b. If SameValue(xConstructor, C) is true, return x.
+      if ((0, _index2.SameValuePartial)(realm, xConstructor, C)) return x;
+    }
+
+    // 4. Let promiseCapability be ? NewPromiseCapability(C).
+    var promiseCapability = (0, _promise.NewPromiseCapability)(realm, C);
+
+    // 5. Perform ? Call(promiseCapability.[[Resolve]], undefined, « x »).
+    (0, _index2.Call)(realm, promiseCapability.resolve, realm.intrinsics.undefined, [x]);
+
+    // 6. Return promiseCapability.[[Promise]].
+    return promiseCapability.promise;
+  });
+
+  // ECMA262 25.4.4.6
+  func.defineNativeGetter(realm.intrinsics.SymbolSpecies, function (context) {
+    // 1. Return the this value
+    return context;
+  });
+
+  return func;
+};
+
+var _index = require("../../values/index.js");
+
+var _completions = require("../../completions.js");
+
+var _promise = require("../../methods/promise.js");
+
+var _index2 = require("../../methods/index.js");
+
+var _iterator = require("../../methods/iterator.js");
+
+var _singletons = require("../../singletons.js");
+
+var _invariant = require("../../invariant.js");
+
+var _invariant2 = _interopRequireDefault(_invariant);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+//# sourceMappingURL=Promise.js.map