Prepend-Transform
Prepend text to the beginning of each line in a stream.
Installation
npm install -S prepend-transform
Usage
import pt from 'prepend-transform';
import * as cp from 'child_process';
const n = cp.spawn('bash');
n.stdout.pipe(pt('[child stdout]')).pipe(process.stdout);
n.stderr.pipe(pt('[child stderr]')).pipe(process.stderr);