workadventure/back/src/Server/server/utils.ts
2021-06-24 10:23:32 +02:00

37 lines
1.1 KiB
TypeScript

import { ReadStream } from "fs";
// eslint-disable-next-line @typescript-eslint/no-explicit-any
function extend(who: any, from: any, overwrite = true) {
const ownProps = Object.getOwnPropertyNames(Object.getPrototypeOf(from)).concat(Object.keys(from));
ownProps.forEach((prop) => {
if (prop === "constructor" || from[prop] === undefined) return;
if (who[prop] && overwrite) {
who[`_${prop}`] = who[prop];
}
if (typeof from[prop] === "function") who[prop] = from[prop].bind(who);
else who[prop] = from[prop];
});
}
function stob(stream: ReadStream): Promise<Buffer> {
return new Promise((resolve) => {
const buffers: Buffer[] = [];
stream.on("data", buffers.push.bind(buffers));
stream.on("end", () => {
switch (buffers.length) {
case 0:
resolve(Buffer.allocUnsafe(0));
break;
case 1:
resolve(buffers[0]);
break;
default:
resolve(Buffer.concat(buffers));
}
});
});
}
export { extend, stob };