'use strict';
const stdWrite = {};function hijackStdWritable(name, listener) { const stream = process[name]; const _write = stdWrite[name] = stream.write;
stream.writeTimes = 0; stream.write = function(data, callback) { try { listener(data); } catch (e) { process.nextTick(() => { throw e; }); }
_write.call(stream, data, callback); stream.writeTimes++; };}
function restoreWritable(name) { process[name].write = stdWrite[name]; delete process[name].writeTimes;}
module.exports = { hijackStdout: hijackStdWritable.bind(null, 'stdout'), hijackStderr: hijackStdWritable.bind(null, 'stderr'), restoreStdout: restoreWritable.bind(null, 'stdout'), restoreStderr: restoreWritable.bind(null, 'stderr')};