Add error handlers to watchers

build/lib/compilation.js

@@ -126,6 +126,20 @@ class MonacoGenerator {
                 this._declarationResolver.invalidateCache(moduleId);
                 this._executeSoon();
             });
+            watcher.addListener('error', (err) => {
+                console.error(`Encountered error while watching ${filePath}.`);
+                console.log(err);
+                delete this._watchedFiles[filePath];
+                for (let i = 0; i < this._watchers.length; i++) {
+                    if (this._watchers[i] === watcher) {
+                        this._watchers.splice(i, 1);
+                        break;
+                    }
+                }
+                watcher.close();
+                this._declarationResolver.invalidateCache(moduleId);
+                this._executeSoon();
+            });
             this._watchers.push(watcher);
         };
         this._fsProvider = new class extends monacodts.FSProvider {

build/lib/compilation.ts

@@ -159,6 +159,20 @@ class MonacoGenerator {
 				this._declarationResolver.invalidateCache(moduleId);
 				this._executeSoon();
 			});
+			watcher.addListener('error', (err) => {
+				console.error(`Encountered error while watching ${filePath}.`);
+				console.log(err);
+				delete this._watchedFiles[filePath];
+				for (let i = 0; i < this._watchers.length; i++) {
+					if (this._watchers[i] === watcher) {
+						this._watchers.splice(i, 1);
+						break;
+					}
+				}
+				watcher.close();
+				this._declarationResolver.invalidateCache(moduleId);
+				this._executeSoon();
+			});
 			this._watchers.push(watcher);
 		};
 		this._fsProvider = new class extends monacodts.FSProvider {