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s.golasch
2023-08-01 13:49:46 +02:00
commit 1fc239fd54
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build/node_modules/prepack/lib/intrinsics/ecma262/WeakMap.js generated vendored Normal file
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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) {
var func = new _index.NativeFunctionValue(realm, "WeakMap", "WeakMap", 0, function (args, _ref, argCount, NewTarget) {
var _ref2 = _slicedToArray(_ref, 1),
iterable = _ref2[0];
// 1. If NewTarget is undefined, throw a TypeError exception.
if (!NewTarget) {
throw realm.createErrorThrowCompletion(realm.intrinsics.TypeError);
}
// 2. Let map be ? OrdinaryCreateFromConstructor(NewTarget, "%WeakMapPrototype%", « [[WeakMapData]] »).
var map = _singletons.Create.OrdinaryCreateFromConstructor(realm, NewTarget, "WeakMapPrototype", {
$WeakMapData: undefined
});
// 3. Set map's [[WeakMapData]] internal slot to a new empty List.
map.$WeakMapData = [];
// 4. If iterable is not present, let iterable be undefined.
if (iterable && realm.isCompatibleWith(realm.MOBILE_JSC_VERSION)) {
throw realm.createErrorThrowCompletion(realm.intrinsics.TypeError, "the weak map constructor doesn't take arguments");
}
if (!iterable) iterable = realm.intrinsics.undefined;
// 5. If iterable is either undefined or null, let iter be undefined.
var iter = void 0,
adder = void 0;
if (iterable instanceof _index.UndefinedValue || iterable instanceof _index.NullValue) {
adder = realm.intrinsics.undefined;
iter = realm.intrinsics.undefined;
} else {
// 6. Else,
// a. Let adder be ? Get(map, "set").
adder = (0, _index2.Get)(realm, map, "set");
// b. If IsCallable(adder) is false, throw a TypeError exception.
if (!(0, _index2.IsCallable)(realm, adder)) {
throw realm.createErrorThrowCompletion(realm.intrinsics.TypeError);
}
// c. Let iter be ? GetIterator(iterable).
iter = (0, _index2.GetIterator)(realm, iterable);
}
// 7. If iter is undefined, return map.
if (iter instanceof _index.UndefinedValue) {
return map;
}
// 8. Repeat
while (true) {
// a. Let next be ? IteratorStep(iter).
var next = (0, _index2.IteratorStep)(realm, iter);
// b. If next is false, return map.
if (!next) return map;
// c. Let nextItem be ? IteratorValue(next).
var nextItem = (0, _index2.IteratorValue)(realm, next).throwIfNotConcrete();
// d. If Type(nextItem) is not Object, then
if (!(nextItem instanceof _index.ObjectValue)) {
// i. Let error be Completion{[[Type]]: throw, [[Value]]: a newly created TypeError object, [[Target]]: empty}.
var error = realm.createErrorThrowCompletion(realm.intrinsics.TypeError);
// ii. Return ? IteratorClose(iter, error).
throw (0, _index2.IteratorClose)(realm, iter, error);
}
// e. Let k be Get(nextItem, "0").
var k = void 0;
try {
k = (0, _index2.Get)(realm, nextItem, "0");
} catch (kCompletion) {
if (kCompletion instanceof _completions.AbruptCompletion) {
// f. If k is an abrupt completion, return ? IteratorClose(iter, k).
throw (0, _index2.IteratorClose)(realm, iter, kCompletion);
} else throw kCompletion;
}
// g. Let v be Get(nextItem, "1").
var v = void 0;
try {
v = (0, _index2.Get)(realm, nextItem, "1");
} catch (vCompletion) {
if (vCompletion instanceof _completions.AbruptCompletion) {
// h. If v is an abrupt completion, return ? IteratorClose(iter, v).
throw (0, _index2.IteratorClose)(realm, iter, vCompletion);
} else throw vCompletion;
}
// i. Let status be Call(adder, map, « k.[[Value]], v.[[Value]] »).
var status = void 0;
try {
status = (0, _index2.Call)(realm, adder, map, [k, v]);
} catch (statusCompletion) {
if (statusCompletion instanceof _completions.AbruptCompletion) {
// j. If status is an abrupt completion, return ? IteratorClose(iter, status).
throw (0, _index2.IteratorClose)(realm, iter, statusCompletion);
} else throw statusCompletion;
}
status;
}
(0, _invariant2.default)(false);
});
return func;
};
var _index = require("../../values/index.js");
var _completions = require("../../completions.js");
var _index2 = require("../../methods/index.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=WeakMap.js.map