mirror of
https://github.com/balena-io/balena-cli.git
synced 2024-12-29 18:18:50 +00:00
24 lines
563 B
TypeScript
24 lines
563 B
TypeScript
import Promise = require('bluebird');
|
|
import fs = require('fs');
|
|
|
|
export function buffer(
|
|
stream: NodeJS.ReadableStream,
|
|
bufferFile: string,
|
|
): Promise<NodeJS.ReadableStream> {
|
|
const fileWriteStream = fs.createWriteStream(bufferFile);
|
|
|
|
return new Promise(function(resolve, reject) {
|
|
stream
|
|
.on('error', reject)
|
|
.on('end', resolve)
|
|
.pipe(fileWriteStream);
|
|
}).then(
|
|
() =>
|
|
new Promise(function(resolve, reject) {
|
|
const stream = fs.createReadStream(bufferFile);
|
|
|
|
stream.on('open', () => resolve(stream)).on('error', reject);
|
|
}),
|
|
);
|
|
}
|