install gulp to process code

node_modules/gulp-cli/lib/versioned/^3.7.0/log/events.js

@@ -0,0 +1,46 @@
+'use strict';
+
+var log = require('gulplog');
+var messages = require('@gulpjs/messages');
+
+var exit = require('../../../shared/exit');
+var formatError = require('../format-error');
+
+// Wire up logging events
+function logEvents(gulpInst) {
+
+  // Exit with 0 or 1
+  var failed = false;
+  process.once('exit', function(code) {
+    if (code === 0 && failed) {
+      exit(1);
+    }
+  });
+
+  // Total hack due to poor error management in orchestrator
+  gulpInst.on('err', function() {
+    failed = true;
+  });
+
+  gulpInst.on('task_start', function(e) {
+    // TODO: batch these
+    // so when 5 tasks start at once it only logs one time with all 5
+    log.info({ tag: messages.TASK_START, task: e.task });
+  });
+
+  gulpInst.on('task_stop', function(e) {
+    log.info({ tag: messages.TASK_STOP, task: e.task, duration: e.hrDuration });
+  });
+
+  gulpInst.on('task_err', function(e) {
+    log.error({ tag: messages.TASK_FAILURE, task: e.task, duration: e.hrDuration });
+    log.error({ tag: messages.TASK_ERROR, message: formatError(e) });
+  });
+
+  gulpInst.on('task_not_found', function(err) {
+    log.error({ tag: messages.TASK_MISSING, task: err.task });
+    exit(1);
+  });
+}
+
+module.exports = logEvents;

node_modules/gulp-cli/lib/versioned/^3.7.0/log/tasks-simple.js

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+'use strict';
+
+function logTasksSimple(env, localGulp) {
+  console.log(Object.keys(localGulp.tasks)
+    .join('\n')
+    .trim());
+}
+
+module.exports = logTasksSimple;