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Add static platform check props #37870

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Add static platform check props #37870

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6 changes: 6 additions & 0 deletions packages/react-native/Libraries/Utilities/Platform.android.js
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,12 @@ export type PlatformSelectSpec<T> = {
const Platform = {
__constants: null,
OS: 'android',
isAndroid: true,
isIOS: false,
isMacOS: false,
isNative: true,
isWeb: false,
isWindows: false,
Comment on lines +23 to +28
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@Pranav-yadav Pranav-yadav Jun 14, 2023 •
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This would be awesome!
But, this is kind of "redundant" since:

  1. Android and iOS will use and read from their respective files.
  2. If the platform is Android this would implicitly mean it's not iOS, etc., and vice-versa?
  3. Why would an Android app would need a check for MacOS, native, web, and Win similarly for iOS app?
  4. If we want to support (check) all these platforms then we should create another generic file (interface with "all props optional") that will define/expose them.

WDYT?
P.S.: I may be unaware of the full context here :)

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@ryanlntn ryanlntn Jun 14, 2023 •
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It is certainly redundant. I've just noticed that many RN projects have the same const isAndroid = Platform.OS === 'android' declared and thought there may as well be a utility for devs to express one off platform checks this way offered directly by RN.

// $FlowFixMe[unsafe-getters-setters]
get Version(): number {
// $FlowFixMe[object-this-reference]
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6 changes: 6 additions & 0 deletions packages/react-native/Libraries/Utilities/Platform.d.ts
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Expand Up @@ -27,6 +27,12 @@ type PlatformConstants = {
};
};
interface PlatformStatic {
isAndroid: boolean;
isIOS: boolean;
isMacOS: boolean;
isNative: boolean;
isWeb: boolean;
isWindows: boolean;
isTV: boolean;
isTesting: boolean;
Version: number | string;
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6 changes: 6 additions & 0 deletions packages/react-native/Libraries/Utilities/Platform.ios.js
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,12 @@ export type PlatformSelectSpec<T> = {
const Platform = {
__constants: null,
OS: 'ios',
isAndroid: false,
isIOS: true,
isMacOS: false,
isNative: true,
isWeb: false,
isWindows: false,
// $FlowFixMe[unsafe-getters-setters]
get Version(): string {
// $FlowFixMe[object-this-reference]
Expand Down