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fix: support expo>=39.0.0 (#515)
Thanks to LinusU/react-native-get-random-values#13 Expo finally has support for a sync CSPRNG. See also: https://dev.to/expo/expo-sdk-39-is-now-available-1lm8#new-synchronous-method-in-raw-exporandom-endraw- Fixes #375
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‎README.md‎

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@@ -12,7 +12,7 @@ For the creation of [RFC4122](http://www.ietf.org/rfc/rfc4122.txt) UUIDs
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- Node 8, 10, 12, 14
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- Chrome, Safari, Firefox, Edge, IE 11 browsers
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- Webpack and rollup.js module bundlers
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- [React Native](#react-native)
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- [React Native / Expo](#react-native-expo)
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- **Secure** - Cryptographically-strong random values
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- **Small** - Zero-dependency, small footprint, plays nice with "tree shaking" packagers
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- **CLI** - Includes the [`uuid` command line](#command-line) utility
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This error occurs in environments where the standard [`crypto.getRandomValues()`](https://developer.mozilla.org/en-US/docs/Web/API/Crypto/getRandomValues) API is not supported. This issue can be resolved by adding an appropriate polyfill:
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### React Native
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### React Native / Expo
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1. Install [`react-native-get-random-values`](https://github.com/LinusU/react-native-get-random-values#readme)
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1. Import it _before_ `uuid`. Since `uuid` might also appear as a transitive dependency of some other imports it's safest to just import `react-native-get-random-values` as the very first thing in your entry point:
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import { v4 as uuidv4 } from 'uuid';
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```
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Note: If you are using Expo, you must be using at least `[email protected]` and `[email protected]`.
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### Web Workers / Service Workers (Edge <= 18)
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[In Edge <= 18, Web Crypto is not supported in Web Workers or Service Workers](https://caniuse.com/#feat=cryptography) and we are not aware of a polyfill (let us know if you find one, please).

‎README_js.md‎

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@@ -24,7 +24,7 @@ For the creation of [RFC4122](http://www.ietf.org/rfc/rfc4122.txt) UUIDs
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- Node 8, 10, 12, 14
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- Chrome, Safari, Firefox, Edge, IE 11 browsers
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- Webpack and rollup.js module bundlers
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- [React Native](#react-native)
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- [React Native / Expo](#react-native-expo)
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- **Secure** - Cryptographically-strong random values
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- **Small** - Zero-dependency, small footprint, plays nice with "tree shaking" packagers
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- **CLI** - Includes the [`uuid` command line](#command-line) utility
@@ -411,7 +411,7 @@ Methods for the other algorithms ([`uuidv1()`](#uuidv1options-buffer-offset), [`
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This error occurs in environments where the standard [`crypto.getRandomValues()`](https://developer.mozilla.org/en-US/docs/Web/API/Crypto/getRandomValues) API is not supported. This issue can be resolved by adding an appropriate polyfill:
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### React Native
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### React Native / Expo
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1. Install [`react-native-get-random-values`](https://github.com/LinusU/react-native-get-random-values#readme)
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1. Import it _before_ `uuid`. Since `uuid` might also appear as a transitive dependency of some other imports it's safest to just import `react-native-get-random-values` as the very first thing in your entry point:
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import { v4 as uuidv4 } from 'uuid';
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```
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Note: If you are using Expo, you must be using at least `[email protected]` and `[email protected]`.
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### Web Workers / Service Workers (Edge <= 18)
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[In Edge <= 18, Web Crypto is not supported in Web Workers or Service Workers](https://caniuse.com/#feat=cryptography) and we are not aware of a polyfill (let us know if you find one, please).

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