feat: 초기 프로젝트 설정 및 룰.md 파일 추가

api.hyungi.net/node_modules/pidusage/lib/bin.js

@@ -0,0 +1,48 @@
+'use strict'
+
+const spawn = require('child_process').spawn
+
+/**
+  * Spawn a binary and read its stdout.
+  * @param  {String} cmd
+  * @param  {String[]} args
+  * @param  {Function} done(err, stdout)
+  */
+function run (cmd, args, options, done) {
+  if (typeof options === 'function') {
+    done = options
+    options = undefined
+  }
+
+  let executed = false
+  const ch = spawn(cmd, args, options)
+  let stdout = ''
+  let stderr = ''
+
+  ch.stdout.on('data', function (d) {
+    stdout += d.toString()
+  })
+
+  ch.stderr.on('data', function (d) {
+    stderr += d.toString()
+  })
+
+  ch.on('error', function (err) {
+    if (executed) return
+    executed = true
+    done(new Error(err))
+  })
+
+  ch.on('close', function (code, signal) {
+    if (executed) return
+    executed = true
+
+    if (stderr) {
+      return done(new Error(stderr))
+    }
+
+    done(null, stdout, code)
+  })
+}
+
+module.exports = run