expo-asset-utils

Utilities for converting files into Expo Assets

Usage no npm install needed!

<script type="module">
  import expoAssetUtils from 'https://cdn.skypack.dev/expo-asset-utils';
</script>

README

expo-asset-utils

This package is no longer required for parsing assets, use expo-asset and expo-file-system instead.

expo-asset-utils

Installation

yarn add expo-asset-utils

Usage

Import the library into your JavaScript file:

import * as AssetUtils from 'expo-asset-utils';

Functions

resolveAsync

Given a reference to some asset, this will return a promise that resolves to an Expo.Asset that has been cached.

  • Expo asset: Expo.Asset.fromModule(require('./image.png'))
  • static resource: require('./image.png')
  • remote image: 'https://upload.wikimedia.org/wikipedia/en/1/17/Batman-BenAffleck.jpg'
  • local file: 'file:///var/image.png'
  • asset library file: 'asset-library:///var/image.png'
  • React Native Image source: {uri: 'https://upload.wikimedia.org/wikipedia/en/1/17/Batman-BenAffleck.jpg'}
Property Type Description
fileReference Expo.Asset, number, string, {uri: string} This will resolve into a downloaded Expo.Asset

base64forImageUriAsync

Given a image URI string, this will return a base64 encoded string and the image size: { data: string, size: { width: number, height: number } }

Property Type Description
uri string This URI will be converted to base64

uriAsync

Deprecated: Use (await resolveAsync()).localUri

fromUriAsync

Deprecated: Use Asset.fromURI('...') from expo-asset

arrayFromObject

Deprecated

cacheAssetsAsync

Deprecated