chore(lint): re-enable clang-format on tools/

gulpfile.js

@@ -3,16 +3,30 @@
 // THIS CHECK SHOULD BE THE FIRST THING IN THIS FILE
 // This is to ensure that we catch env issues before we error while requiring other dependencies.
 require('./tools/check-environment')(
-  {requiredNpmVersion: '>=3.5.3 <4.0.0', requiredNodeVersion: '>=5.4.1 <6.0.0'});
+    {requiredNpmVersion: '>=3.5.3 <4.0.0', requiredNodeVersion: '>=5.4.1 <6.0.0'});
 
 
-let gulp = require('gulp');
+const gulp = require('gulp');
+const path = require('path');
 
+const srcsToFmt = ['tools/**/*.ts'];
 
-gulp.task('tools:build', (done) => {
-  tsc('tools/', done)
+gulp.task('lint', () => {
+  const format = require('gulp-clang-format');
+  const clangFormat = require('clang-format');
+  return gulp.src(srcsToFmt).pipe(
+      format.checkFormat('file', clangFormat, {verbose: true, fail: true}));
 });
 
+gulp.task('format', () => {
+  const format = require('gulp-clang-format');
+  const clangFormat = require('clang-format');
+  return gulp.src(srcsToFmt, { base: '.' }).pipe(
+    format.format('file', clangFormat)).pipe(gulp.dest('.'));
+});
+
+gulp.task('tools:build', (done) => { tsc('tools/', done); });
+
 
 gulp.task('serve', () => {
   let connect = require('gulp-connect');
@@ -23,9 +37,7 @@ gulp.task('serve', () => {
     port: 8000,
     livereload: false,
     open: false,
-    middleware: (connect, opt) => {
-      return [cors()];
-    }
+    middleware: (connect, opt) => [cors()]
   });
 });
 
@@ -33,9 +45,9 @@ gulp.task('serve', () => {
 function tsc(projectPath, done) {
   let child_process = require('child_process');
 
-  child_process.spawn(
-    `${__dirname}/node_modules/.bin/tsc`,
-    ['-p', `${__dirname}/projectPath`],
-    {stdio: 'inherit'}
-  ).on('close', (errorCode) => done(errorCode));
+  child_process
+      .spawn(
+          `${__dirname}/node_modules/.bin/tsc`, ['-p', path.join(__dirname, projectPath)],
+          {stdio: 'inherit'})
+      .on('close', (errorCode) => done(errorCode));
 }