mirror of
https://github.com/swc-project/swc.git
synced 2024-12-21 12:41:54 +03:00
59 lines
1.5 KiB
TypeScript
59 lines
1.5 KiB
TypeScript
|
// Loaded from https://raw.githubusercontent.com/nats-io/nkeys.js/v1.0.0-7/src/util.ts
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Copyright 2018-2020 The NATS Authors
|
||
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
* you may not use this file except in compliance with the License.
|
||
|
|
* You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
*/
|
||
|
|
/**
|
||
|
|
* Encode binary data to a base64 string
|
||
|
|
* @param {Uint8Array} bytes to encode to base64
|
||
|
|
*/
|
||
|
|
export function encode(bytes: Uint8Array): string {
|
||
|
|
return btoa(String.fromCharCode(...bytes));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Decode a base64 encoded string to a binary Uint8Array
|
||
|
|
* @param {string} base64 encoded string
|
||
|
|
*/
|
||
|
|
export function decode(b64str: string) {
|
||
|
|
const bin = atob(b64str);
|
||
|
|
const bytes = new Uint8Array(bin.length);
|
||
|
|
for (let i = 0; i < bin.length; i++) {
|
||
|
|
bytes[i] = bin.charCodeAt(i);
|
||
|
|
}
|
||
|
|
return bytes;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @ignore
|
||
|
|
*/
|
||
|
|
export function dump(buf: Uint8Array, msg?: string): void {
|
||
|
|
if (msg) {
|
||
|
|
console.log(msg);
|
||
|
|
}
|
||
|
|
let a: string[] = [];
|
||
|
|
for (let i = 0; i < buf.byteLength; i++) {
|
||
|
|
if (i % 8 === 0) {
|
||
|
|
a.push("\n");
|
||
|
|
}
|
||
|
|
let v = buf[i].toString(16);
|
||
|
|
if (v.length === 1) {
|
||
|
|
v = "0" + v;
|
||
|
|
}
|
||
|
|
a.push(v);
|
||
|
|
}
|
||
|
|
console.log(a.join(" "));
|
||
|
|
}
|