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

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

import { ErrMsg, } from './config'
import { fromUint8Array } from './from_buffer'
import { isArrayBuffer, isUint8Array, parseDecodeInputBase64, parseEncodeInputString, parseTextDecoder, parseTextEncoder, } from './helper'
import { toUint8Array } from './to_buffer'
export function browserEncode(input, textEncoder) {
    const str = parseEncodeInputString(input)
    const Encoder = parseTextEncoder(textEncoder)
    const u8arr = new Encoder().encode(str)
    const ret = fromBuffer(u8arr)

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

    if (!buf) {
        throw new TypeError(ErrMsg.fromArrayBufferInvalidParam)
    }
    else if (isUint8Array(buf)) {
        input = buf
    }
    else if (isArrayBuffer(buf)) {
        input = new Uint8Array(buf)
    }
    else {
        throw new TypeError(ErrMsg.fromArrayBufferInvalidParam)
    }
    return fromUint8Array(input)
}
export function browserDecode(base64, outputEncoding, textDecoder) {
    const Decoder = parseTextDecoder(textDecoder)
    const u8arr = toBuffer(base64)
    const ret = new Decoder(outputEncoding).decode(u8arr)

    return ret
}
export function toBuffer(base64) {
    const str = parseDecodeInputBase64(base64)
    const u8arr = toUint8Array(str)

    return u8arr
}