build(): Add build:samples script

gulpfile.js

@@ -5,6 +5,15 @@ const ts = require('gulp-typescript');
 const sourcemaps = require('gulp-sourcemaps');
 const clean = require('gulp-clean');
 const deleteEmpty = require('delete-empty');
+const childProcess = require('child_process');
+const log = require('fancy-log');
+const clc = require('cli-color');
+
+const { promisify } = require('util');
+
+const exec = promisify(childProcess.exec);
+
+const SAMPLE = path.join(__dirname, 'sample');
 
 const packages = {
   common: ts.createProject('packages/common/tsconfig.json'),
@@ -101,9 +110,49 @@ function getFolders(dir) {
     return fs.statSync(path.join(dir, file)).isDirectory();
   });
 }
-gulp.task('move', function() {
-  const getDirs = base => getFolders(base).map(path => `${base}/${path}`);
 
+const getDirs = base => getFolders(base).map(path => `${base}/${path}`);
+
+gulp.task('install:samples', async () => {
+  const directories = getDirs(SAMPLE);
+
+  const promises = directories.map(async dir => {
+    log.info(
+      `Installing dependencies of ${clc.magenta(dir.replace(__dirname, ''))}`,
+    );
+    try {
+      await exec(`npm install --no-shrinkwrap --prefix ${dir}`);
+    } catch (err) {
+      log.error(`Failed installing dependencies of ${dir}`);
+      throw err;
+    }
+  });
+
+  await Promise.all(promises);
+});
+
+gulp.task('build:samples', async () => {
+  const directories = getDirs(SAMPLE);
+
+  const promises = directories.map(async dir => {
+    log.info(
+      `Building ${clc.magenta(dir.replace(__dirname, ''))}`,
+    );
+    try {
+      await exec(`npm run build --prefix ${dir}`);
+    } catch (err) {
+      log.error(`Failed building ${clc.magenta(dir)}:`);
+      if(err.stdout) {
+        log.error(err.stdout);
+      }
+      throw err;
+    }
+  });
+
+  return await Promise.all(promises);
+});
+
+gulp.task('move', function() {
   const examplesDirs = getDirs('sample');
   const integrationDirs = getDirs('integration');
   const directories = examplesDirs.concat(integrationDirs);

package.json

@@ -12,6 +12,7 @@
     "build": "npm run clean && gulp build",
     "prebuild:dev": "rm -rf node_modules/@nestjs",
     "build:dev": "gulp build --dist node_modules/@nestjs && gulp move",
+    "build:samples": "gulp install:samples && npm run build:dev && gulp build:samples",
     "postinstall": "opencollective",
     "prerelease": "gulp copy-misc && gulp build --dist node_modules/@nestjs",
     "publish": "npm run prerelease && npm run build && ./node_modules/.bin/lerna publish --force-publish --access public --exact -m \"chore(@nestjs) publish %s release\"",
@@ -103,6 +104,7 @@
     "coveralls": "3.0.4",
     "csv-write-stream": "2.0.0",
     "delete-empty": "3.0.0",
+    "fancy-log": "^1.3.3",
     "fastify-static": "2.5.0",
     "gulp": "4.0.1",
     "gulp-clang-format": "1.0.27",