fix: strf-6383 add check for template size for stencil bundling

lib/stencil-bundle.js

@@ -1,6 +1,6 @@
 'use strict';
-
-const MAX_SIZE_BUNDLE = 1048576 * 50; //50MB
+const MEGABYTE = 1048576
+const MAX_SIZE_BUNDLE = MEGABYTE * 50; 
 const PATHS_TO_ZIP = [
  'assets/**/*',
  '!assets/cdn/**',
@@ -308,12 +308,16 @@ function bundleTaskRunner(callback) {
  bundleThemeFiles(archive, this.themePath, this.configuration);
 
  // zip all generated files
- bundleParsedFiles(archive, taskResults);
+ const failedTemplates = bundleParsedFiles(archive, taskResults);
 
  fileStream.on('close', () => {
  const stats = Fs.statSync(bundleZipPath);
  const size = stats['size'];
 
+ if (failedTemplates.length) {
+ return console.error(`Error: Your bundle failed as templates generated from the files below are greater than or equal to 1 megabyte in size:\n${failedTemplates.join('\n')}`);
+ }
+
  if (size > MAX_SIZE_BUNDLE) {
  return console.error(`Error: Your bundle of size ${size} bytes is above the max size of ${MAX_SIZE_BUNDLE} bytes`);
  }
@@ -354,12 +358,13 @@ function bundleThemeFiles(archive, themePath, configuration) {
  * Archive all generated files (ex. parsed files)
  * @param {Archive} archive
  * @param {Object} taskResults
+ * @returns {Array}
  */
 function bundleParsedFiles(archive, taskResults) {
  const archiveJsonFile = (data, name) => {
  archive.append(JSON.stringify(data), { name });
  }
-
+ const failedTemplates = [];
  for (let task in taskResults) {
  let data = taskResults[task];
  switch(task) {
@@ -373,8 +378,13 @@ function bundleParsedFiles(archive, taskResults) {
  case 'templates':
  // Create the parsed tree files
  for (let filename in data) {
- let hash = Crypto.createHash('md5').update(filename).digest('hex');
- archiveJsonFile(data[filename], `parsed/templates/${hash}.json`);
+ const hash = Crypto.createHash('md5').update(filename).digest('hex');
+ const fileData = data[filename];
+ archiveJsonFile(fileData, `parsed/templates/${hash}.json`);
+ // if file size is greater than 1 megabyte push filename to failedTemplates
+ if (JSON.stringify(fileData).length >= MEGABYTE) {
+ failedTemplates.push(filename);
+ }
  }
  break;
 
@@ -394,6 +404,7 @@ function bundleParsedFiles(archive, taskResults) {
  break;
  }
  }
+ return failedTemplates;
 }
 
 module.exports = Bundle;