chore(gulp): add a task to print dart & pub versions

2015-06-17 13:24:59 +02:00
parent 530e742628
commit f020a5cdea
3 changed files with 17 additions and 5 deletions
--- a/tools/build/dart.js
+++ b/tools/build/dart.js
@ -0,0 +1,44 @@
+var which = require('which');
+var spawnSync = require('child_process').spawnSync;
+
+module.exports.detect = function(gulp) {
+  var DART_SDK = false;
+  try {
+    which.sync('dart');
+    if (process.platform === 'win32') {
+      DART_SDK = {
+        ANALYZER: 'dartanalyzer.bat',
+        DARTFMT: 'dartfmt.bat',
+        PUB: 'pub.bat',
+        VM: 'dart.exe'
+      };
+    } else {
+      DART_SDK = {
+        ANALYZER: 'dartanalyzer',
+        DARTFMT: 'dartfmt',
+        PUB: 'pub',
+        VM: 'dart'
+      };
+    }
+    console.log('Dart SDK detected:');
+  } catch (e) {
+    console.log('Dart SDK is not available, Dart tasks will be skipped.');
+    var gulpTaskFn = gulp.task.bind(gulp);
+    gulp.task = function (name, deps, fn) {
+      if (name.indexOf('.dart') === -1) {
+        return gulpTaskFn(name, deps, fn);
+      } else {
+        return gulpTaskFn(name, function() {
+          console.log('Dart SDK is not available. Skipping task: ' + name);
+        });
+      }
+    };
+  }
+  return DART_SDK;
+}
+
+module.exports.logVersion = function(dartSdk) {
+  console.log('DART SDK:') ;
+  console.log('- dart: ' + spawnSync(dartSdk.VM, ['--version']).stderr.toString().replace(/\n/g, ''));
+  console.log('- pub: ' + spawnSync(dartSdk.PUB, ['--version']).stdout.toString().replace(/\n/g, ''));
+}