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react native file pdf to base64

Kadir Yaka answered on May 18, 2022 Popularity 8/10 Helpfulness 1/10

answer react native file pdf to base64

react native file pdf to base64

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import base64 from 'base64-js'
import {FileSystem} from 'expo'


function stringToUint8Array(str: string) {
    const length = str.length
    const array = new Uint8Array(new ArrayBuffer(length))
    for(let i = 0; i < length; i++) array[i] = str.charCodeAt(i)
    return array
}

export async function fileToBase64(uri: string) {
    try {
        const content = await FileSystem.readAsStringAsync(uri)
        return base64.fromByteArray(stringToUint8Array(content))
    } catch(e) {
        console.warn('fileToBase64()', e.message)
        return ''
    }
}

/* Accepts 'rawFile' file object or the data 'uri' */
export function fileToBase64Helper(rawFile: any, uri: string) {
    return fileToBase64(rawFile ? rawFile : uri)
}

Popularity 8/10 Helpfulness 1/10 Language javascript

Source: forums.expo.dev

Tags: base64 file javascript pdf react-native

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Contributed on May 18 2022

Kadir Yaka

0 Answers Avg Quality 2/10

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react native file pdf to base64

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