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https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Tim Yung
5242ad931b
Summary: Adds `RootTag` as a valid type for arguments and return types in TurboModules (on both Android and iOS). This will enable us to change `RootTag` into an opaque type. There are two compelling reasons to do this: - JavaScript will no longer be able to safely depend on `RootTag` being a number (which means we can change this in the future). - Call sites using `unstable_RootTagContext` will can get a `RootTag`, but call sites using the legacy `context.rootTag` will not. This means the opaque type will give us a strategy for migrating away from legacy context and eventually making `unstable_RootTagContext` the only way to access `RootTag`. Changelog: [Internal] (Note: this ignores all push blocking failures!) Reviewed By: RSNara Differential Revision: D21127170 fbshipit-source-id: baec9d7ad17b2f8c4527f1a84f604fc0d28b97eb
38 lines
1.0 KiB
JavaScript
38 lines
1.0 KiB
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its 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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* @format
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*/
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'use strict';
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import type {RootTag, TurboModule} from '../RCTExport';
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import * as TurboModuleRegistry from '../TurboModuleRegistry';
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export interface Spec extends TurboModule {
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// Exported methods.
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+getConstants: () => {|
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const1: boolean,
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const2: number,
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const3: string,
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|};
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+voidFunc: () => void;
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+getBool: (arg: boolean) => boolean;
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+getNumber: (arg: number) => number;
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+getString: (arg: string) => string;
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+getArray: (arg: Array<any>) => Array<any>;
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+getObject: (arg: Object) => Object;
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+getRootTag: (arg: RootTag) => RootTag;
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+getValue: (x: number, y: string, z: Object) => Object;
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+getValueWithCallback: (callback: (value: string) => void) => void;
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+getValueWithPromise: (error: boolean) => Promise<string>;
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}
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export default (TurboModuleRegistry.getEnforcing<Spec>(
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'SampleTurboModule',
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): Spec);
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