Check for node_modules in start.js then run gulp - with logging

package.json

@@ -7,7 +7,7 @@
     "node": ">=4.0 <6.7"
   },
   "scripts": {
-    "start": "if [ -d \"node_modules\" ]; then gulp; else echo 'gulp is missing - try running npm install' ; fi",
+    "start": "node start.js",
     "lint": "standard",
     "test": "npm run lint"
   },
@@ -16,6 +16,7 @@
     "basic-auth-connect": "^1.0.0",
     "body-parser": "^1.14.1",
     "browser-sync": "^2.11.1",
+    "chalk": "^1.1.3",
     "consolidate": "0.x",
     "express": "4.13.3",
     "express-session": "^1.13.0",
@@ -34,6 +35,7 @@
     "minimist": "0.0.8",
     "nunjucks": "^2.4.2",
     "portscanner": "^1.0.0",
+    "pretty-hrtime": "^1.0.2",
     "prompt": "^0.2.14",
     "readdir": "0.0.6",
     "require-dir": "^0.3.0",

start.js

@@ -0,0 +1,73 @@
+'use strict'
+
+const fs = require('fs')
+const path = require('path')
+
+if (!fs.existsSync(path.join(__dirname, '/node_modules'))) {
+  console.log('node modules are missing, run npm install')
+  process.exit(0)
+}
+
+const gulp = require('gulp')
+const gutil = require('gulp-util')
+const chalk = require('chalk')
+const prettyTime = require('pretty-hrtime')
+require(path.join(__dirname, '/gulpfile.js'))
+
+// we need to set up logging for gulp
+// all copied from https://github.com/gulpjs/gulp/blob/master/bin/gulp.js
+
+// Format orchestrator errors
+function formatError (e) {
+  if (!e.err) {
+    return e.message
+  }
+
+  // PluginError
+  if (typeof e.err.showStack === 'boolean') {
+    return e.err.toString()
+  }
+
+  // Normal error
+  if (e.err.stack) {
+    return e.err.stack
+  }
+
+  // Unknown (string, number, etc.)
+  return new Error(String(e.err)).stack
+}
+
+gulp.on('task_start', function (e) {
+  // TODO: batch these
+  // so when 5 tasks start at once it only logs one time with all 5
+  gutil.log('Starting', '\'' + chalk.cyan(e.task) + '\'...')
+})
+
+gulp.on('task_stop', function (e) {
+  var time = prettyTime(e.hrDuration)
+  gutil.log(
+    'Finished', '\'' + chalk.cyan(e.task) + '\'',
+    'after', chalk.magenta(time)
+  )
+})
+
+gulp.on('task_err', function (e) {
+  var msg = formatError(e)
+  var time = prettyTime(e.hrDuration)
+  gutil.log(
+    '\'' + chalk.cyan(e.task) + '\'',
+    chalk.red('errored after'),
+    chalk.magenta(time)
+  )
+  gutil.log(msg)
+})
+
+gulp.on('task_not_found', function (err) {
+  gutil.log(
+    chalk.red('Task \'' + err.task + '\' is not in your gulpfile')
+  )
+  gutil.log('Please check the documentation for proper gulpfile formatting')
+  process.exit(1)
+})
+
+gulp.start('default')