Files
Media-Coding-Web/node_modules/@smithy/util-stream/dist-es/blob/Uint8ArrayBlobAdapter.js
2026-04-04 12:49:09 +08:00

24 lines
866 B
JavaScript

import { fromBase64, toBase64 } from "@smithy/util-base64";
import { fromUtf8, toUtf8 } from "@smithy/util-utf8";
export class Uint8ArrayBlobAdapter extends Uint8Array {
static fromString(source, encoding = "utf-8") {
if (typeof source === "string") {
if (encoding === "base64") {
return Uint8ArrayBlobAdapter.mutate(fromBase64(source));
}
return Uint8ArrayBlobAdapter.mutate(fromUtf8(source));
}
throw new Error(`Unsupported conversion from ${typeof source} to Uint8ArrayBlobAdapter.`);
}
static mutate(source) {
Object.setPrototypeOf(source, Uint8ArrayBlobAdapter.prototype);
return source;
}
transformToString(encoding = "utf-8") {
if (encoding === "base64") {
return toBase64(this);
}
return toUtf8(this);
}
}