mirror of
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2d320563f3
This is unused, even in the one builds that uses it, and we don't plan on landing it in this form.
79 lines
2.3 KiB
JavaScript
79 lines
2.3 KiB
JavaScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow
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*/
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import {
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REACT_CONTEXT_TYPE,
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REACT_CONSUMER_TYPE,
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REACT_PROVIDER_TYPE,
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REACT_FORWARD_REF_TYPE,
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REACT_FRAGMENT_TYPE,
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REACT_PROFILER_TYPE,
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REACT_STRICT_MODE_TYPE,
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REACT_SUSPENSE_TYPE,
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REACT_SUSPENSE_LIST_TYPE,
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REACT_MEMO_TYPE,
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REACT_LAZY_TYPE,
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REACT_SCOPE_TYPE,
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REACT_LEGACY_HIDDEN_TYPE,
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REACT_OFFSCREEN_TYPE,
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REACT_TRACING_MARKER_TYPE,
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} from 'shared/ReactSymbols';
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import {
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enableScopeAPI,
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enableTransitionTracing,
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enableLegacyHidden,
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enableRenderableContext,
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} from './ReactFeatureFlags';
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const REACT_CLIENT_REFERENCE: symbol = Symbol.for('react.client.reference');
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// This function is deprecated. Don't use. Only the renderer knows what a valid type is.
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// TODO: Delete this when enableOwnerStacks ships.
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export default function isValidElementType(type: mixed): boolean {
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if (typeof type === 'string' || typeof type === 'function') {
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return true;
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}
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// Note: typeof might be other than 'symbol' or 'number' (e.g. if it's a polyfill).
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if (
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type === REACT_FRAGMENT_TYPE ||
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type === REACT_PROFILER_TYPE ||
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type === REACT_STRICT_MODE_TYPE ||
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type === REACT_SUSPENSE_TYPE ||
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type === REACT_SUSPENSE_LIST_TYPE ||
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(enableLegacyHidden && type === REACT_LEGACY_HIDDEN_TYPE) ||
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type === REACT_OFFSCREEN_TYPE ||
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(enableScopeAPI && type === REACT_SCOPE_TYPE) ||
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(enableTransitionTracing && type === REACT_TRACING_MARKER_TYPE)
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) {
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return true;
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}
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if (typeof type === 'object' && type !== null) {
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if (
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type.$$typeof === REACT_LAZY_TYPE ||
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type.$$typeof === REACT_MEMO_TYPE ||
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type.$$typeof === REACT_CONTEXT_TYPE ||
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(!enableRenderableContext && type.$$typeof === REACT_PROVIDER_TYPE) ||
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(enableRenderableContext && type.$$typeof === REACT_CONSUMER_TYPE) ||
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type.$$typeof === REACT_FORWARD_REF_TYPE ||
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// This needs to include all possible module reference object
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// types supported by any Flight configuration anywhere since
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// we don't know which Flight build this will end up being used
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// with.
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type.$$typeof === REACT_CLIENT_REFERENCE ||
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type.getModuleId !== undefined
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) {
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return true;
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}
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}
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return false;
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}
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