| 1 | /**
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| 2 | * @license React
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| 3 | * use-sync-external-store-shim.native.development.js
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| 4 | *
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| 5 | * Copyright (c) Meta Platforms, Inc. and affiliates.
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| 6 | *
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| 7 | * This source code is licensed under the MIT license found in the
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| 8 | * LICENSE file in the root directory of this source tree.
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| 9 | */
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| 10 |
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| 11 | "use strict";
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| 12 | "production" !== process.env.NODE_ENV &&
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| 13 | (function () {
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| 14 | function is(x, y) {
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| 15 | return (x === y && (0 !== x || 1 / x === 1 / y)) || (x !== x && y !== y);
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| 16 | }
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| 17 | function useSyncExternalStore$1(subscribe, getSnapshot) {
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| 18 | didWarnOld18Alpha ||
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| 19 | void 0 === React.startTransition ||
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| 20 | ((didWarnOld18Alpha = !0),
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| 21 | console.error(
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| 22 | "You are using an outdated, pre-release alpha of React 18 that does not support useSyncExternalStore. The use-sync-external-store shim will not work correctly. Upgrade to a newer pre-release."
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| 23 | ));
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| 24 | var value = getSnapshot();
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| 25 | if (!didWarnUncachedGetSnapshot) {
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| 26 | var cachedValue = getSnapshot();
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| 27 | objectIs(value, cachedValue) ||
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| 28 | (console.error(
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| 29 | "The result of getSnapshot should be cached to avoid an infinite loop"
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| 30 | ),
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| 31 | (didWarnUncachedGetSnapshot = !0));
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| 32 | }
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| 33 | cachedValue = useState({
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| 34 | inst: { value: value, getSnapshot: getSnapshot }
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| 35 | });
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| 36 | var inst = cachedValue[0].inst,
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| 37 | forceUpdate = cachedValue[1];
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| 38 | useLayoutEffect(
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| 39 | function () {
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| 40 | inst.value = value;
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| 41 | inst.getSnapshot = getSnapshot;
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| 42 | checkIfSnapshotChanged(inst) && forceUpdate({ inst: inst });
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| 43 | },
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| 44 | [subscribe, value, getSnapshot]
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| 45 | );
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| 46 | useEffect(
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| 47 | function () {
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| 48 | checkIfSnapshotChanged(inst) && forceUpdate({ inst: inst });
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| 49 | return subscribe(function () {
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| 50 | checkIfSnapshotChanged(inst) && forceUpdate({ inst: inst });
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| 51 | });
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| 52 | },
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| 53 | [subscribe]
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| 54 | );
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| 55 | useDebugValue(value);
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| 56 | return value;
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| 57 | }
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| 58 | function checkIfSnapshotChanged(inst) {
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| 59 | var latestGetSnapshot = inst.getSnapshot;
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| 60 | inst = inst.value;
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| 61 | try {
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| 62 | var nextValue = latestGetSnapshot();
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| 63 | return !objectIs(inst, nextValue);
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| 64 | } catch (error) {
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| 65 | return !0;
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| 66 | }
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| 67 | }
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| 68 | "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
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| 69 | "function" ===
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| 70 | typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStart &&
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| 71 | __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStart(Error());
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| 72 | var React = require("react"),
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| 73 | objectIs = "function" === typeof Object.is ? Object.is : is,
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| 74 | useState = React.useState,
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| 75 | useEffect = React.useEffect,
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| 76 | useLayoutEffect = React.useLayoutEffect,
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| 77 | useDebugValue = React.useDebugValue,
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| 78 | didWarnOld18Alpha = !1,
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| 79 | didWarnUncachedGetSnapshot = !1;
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| 80 | exports.useSyncExternalStore =
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| 81 | void 0 !== React.useSyncExternalStore
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| 82 | ? React.useSyncExternalStore
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| 83 | : useSyncExternalStore$1;
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| 84 | "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
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| 85 | "function" ===
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| 86 | typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&
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| 87 | __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop(Error());
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| 88 | })();
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