fix: ignore __transpiled folder in watch mode (#471)

cli.js

@@ -88,16 +88,18 @@ xfs.mkdirp(program.output, async err => {
  let watcher;
  const watchDir = path.resolve(template);
  const outputPath = path.resolve(watchDir, program.output);
+ const transpiledTemplatePath = path.resolve(watchDir, Generator.TRANSPILED_TEMPLATE_LOCATION);
+ const ignorePaths = [outputPath, transpiledTemplatePath];
  // Template name is needed as it is not always a part of the cli commad
  // There is a use case that you run generator from a root of the template with `./` path
  const templateName = require(path.resolve(watchDir,'package.json')).name;
 
  if (isAsyncapiDocLocal) {
  console.log(`[WATCHER] Watching for changes in the template directory ${magenta(watchDir)} and in the AsyncAPI file ${magenta(asyncapiDocPath)}`);
- watcher = new Watcher([asyncapiDocPath, watchDir], outputPath);
+ watcher = new Watcher([asyncapiDocPath, watchDir], ignorePaths);
  } else {
  console.log(`[WATCHER] Watching for changes in the template directory ${magenta(watchDir)}`);
- watcher = new Watcher(watchDir, outputPath);
+ watcher = new Watcher(watchDir, ignorePaths);
  }
  // Must check template in its installation path in generator to use isLocalTemplate function
  if (!await isLocalTemplate(path.resolve(Generator.DEFAULT_TEMPLATES_DIR, templateName))) {

lib/generator.js

@@ -830,5 +830,6 @@ class Generator {
 }
 
 Generator.DEFAULT_TEMPLATES_DIR = DEFAULT_TEMPLATES_DIR;
+Generator.TRANSPILED_TEMPLATE_LOCATION = TRANSPILED_TEMPLATE_LOCATION;
 
 module.exports = Generator;

lib/watcher.js

@@ -5,7 +5,7 @@ const chokidar = require('chokidar');
  * Class to watch for change in certain file(s)
  */
 class Watcher {
- constructor(paths, ignorePath) {
+ constructor(paths, ignorePaths) {
  if (Array.isArray(paths)) {
  this.paths = paths;
  } else {
@@ -19,7 +19,7 @@ class Watcher {
  this.fsWait = false;
  this.watchers = {};
  this.filesChanged = {};
- this.ignorePath = ignorePath;
+ this.ignorePaths = ignorePaths;
  }
 
  /**
@@ -29,7 +29,7 @@ class Watcher {
  * @param {*} errorCallback Calback to call when it is no longer possible to watch a file.
  */
  initiateWatchOnPath(path, changeCallback, errorCallback) {
- const watcher = chokidar.watch(path, {ignoreInitial: true, ignored: this.ignorePath});
+ const watcher = chokidar.watch(path, {ignoreInitial: true, ignored: this.ignorePaths});
  watcher.on('all', (eventType, changedPath) => this.fileChanged(path, changedPath, eventType, changeCallback, errorCallback));
  this.watchers[path] = watcher;
  }