@waiting/base64/dist/lib/nodejs.js

Base64 encoding/decoding in pure JS on both modern Browsers and Node.js. Also supports URL-safe base64

import { ErrMsg } from './config'
import { isArrayBuffer, isUint8Array, parseDecodeInputBase64, parseEncodeInputString, } from './helper'
export function nodeEncode(input) {
    const str = parseEncodeInputString(input)
    const ret = Buffer.from(str).toString('base64')

    return ret
}
export function nodeDecode(base64, outputEncoding) {
    const str = parseDecodeInputBase64(base64)
    const ret = Buffer.from(str, 'base64').toString(outputEncoding)

    return ret
}
/** Encode to base64, source from ArrayBuffer or Uint8Array */
export function fromBuffer(buf) {
    let inst

    if (!buf) {
        throw new TypeError(ErrMsg.fromArrayBufferInvalidParam)
    }
    else if (isUint8Array(buf)) {
        inst = Buffer.from(buf)
    }
    else if (isArrayBuffer(buf)) {
        inst = Buffer.from(buf)
    }
    else {
        throw new TypeError(ErrMsg.fromArrayBufferInvalidParam)
    }
    const ret = inst.toString('base64')

    return ret
}