Reaccione el archivo nativo PDF a Base64
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)
}
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