chore(build): update build scripts

packages/angular/scripts/clean-generated.js

@@ -0,0 +1,54 @@
+const path = require('path');
+const cwd = process.cwd();
+
+const glob = require('glob');
+const rimRaf = require('rimraf');
+
+const distDir = path.join(cwd, 'dist');
+
+const distGeneratedNodeModules = path.join(distDir, 'node_modules');
+
+function rimRafAsync(dir) {
+  return new Promise((resolve, reject) => {
+    rimRaf(dir, {}, err => {
+      if (err) {
+        return reject(err);
+      }
+      resolve();
+    })
+  });
+}
+
+function doGlob(globString) {
+  return new Promise((resolve, reject) => {
+    glob(globString, (err, matches) => {
+      if (err) {
+        return reject(err);
+      }
+      resolve(matches);
+    })
+  });
+}
+
+function getCodegenedFilesToDelete() {
+  const ngFactoryGlob = path.join(distDir, '**', '*ngfactory*');
+  const ngSummaryGlob = path.join(distDir, '**', '*ngsummary*');
+  const promises = [];
+  promises.push(doGlob(ngFactoryGlob));
+  promises.push(doGlob(ngSummaryGlob));
+  return Promise.all(promises).then(listOfGlobResults => {
+    const deleteFilePromises = [];
+    listOfGlobResults.forEach(fileMatches => {
+      fileMatches.forEach(filePath => {
+        deleteFilePromises.push(rimRafAsync(filePath));
+      })
+    })
+    return Promise.all(deleteFilePromises);
+  });
+}
+
+const taskPromises = [];
+taskPromises.push(getCodegenedFilesToDelete());
+taskPromises.push(rimRafAsync(distGeneratedNodeModules));
+
+return Promise.all(taskPromises);