index.js•1.09 kB
'use strict';
var utilBufferFrom = require('@smithy/util-buffer-from');
const fromUtf8 = (input) => {
const buf = utilBufferFrom.fromString(input, "utf8");
return new Uint8Array(buf.buffer, buf.byteOffset, buf.byteLength / Uint8Array.BYTES_PER_ELEMENT);
};
const toUint8Array = (data) => {
if (typeof data === "string") {
return fromUtf8(data);
}
if (ArrayBuffer.isView(data)) {
return new Uint8Array(data.buffer, data.byteOffset, data.byteLength / Uint8Array.BYTES_PER_ELEMENT);
}
return new Uint8Array(data);
};
const toUtf8 = (input) => {
if (typeof input === "string") {
return input;
}
if (typeof input !== "object" || typeof input.byteOffset !== "number" || typeof input.byteLength !== "number") {
throw new Error("@smithy/util-utf8: toUtf8 encoder function only accepts string | Uint8Array.");
}
return utilBufferFrom.fromArrayBuffer(input.buffer, input.byteOffset, input.byteLength).toString("utf8");
};
exports.fromUtf8 = fromUtf8;
exports.toUint8Array = toUint8Array;
exports.toUtf8 = toUtf8;