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