diff --git a/compiler/src/component_map.ts b/compiler/src/component_map.ts
index f99de2a420ca86c910390402eda55224808c4160..3527b3e6df65aaabca5362831d3d361e9bf30ceb 100644
--- a/compiler/src/component_map.ts
+++ b/compiler/src/component_map.ts
@@ -80,7 +80,7 @@ function addExternalComponents(): void {
     } else {
       COMPONENT_MAP[extCompName] = EXTERNAL_COMPONENT_MAP[extCompName];
     }
-  })
+  });
 }
 
 export const TRANSITION_COMMON_ATTRS: Set<string> = new Set([
@@ -153,7 +153,7 @@ export const CUSTOM_BUILDER_PROPERTIES: Set<string> = new Set(['background', 'bi
 export const CUSTOM_BUILDER_PROPERTIES_WITHOUTKEY: Set<string> = new Set(['showUnit', 'create']);
 export const CUSTOM_BUILDER_CONSTRUCTORS: Set<string> = new Set(['MenuItem', 'MenuItemGroup', 'Refresh', 'WaterFlow', 'Radio', 'Checkbox']);
 
-(function initComponent() {
+(function initComponent(): void {
   Object.keys(COMPONENT_MAP).forEach((componentName) => {
     INNER_COMPONENT_NAMES.add(componentName);
     JS_BIND_COMPONENTS.add(componentName);
diff --git a/compiler/src/external_component_map.ts b/compiler/src/external_component_map.ts
index 89b4f09241ff50b21c51dfa39dc9894bbfb37fdb..8e05675edb0c12afc65463dde5ce243e576e511a 100644
--- a/compiler/src/external_component_map.ts
+++ b/compiler/src/external_component_map.ts
@@ -31,7 +31,7 @@ export function readExternalComponents(): object {
         return EXT_COMPONENT_MAP;
     }
     for (const componentPath of componentPaths) {
-        if(!fs.existsSync(componentPath)){
+        if (!fs.existsSync(componentPath)) {
             continue;
         }
         const files: string[] = fs.readdirSync(componentPath);
diff --git a/compiler/src/performance.ts b/compiler/src/performance.ts
index fea60b4ceb4865cd1c0af7fd0a51ba791111010a..9b8e99707f00b3df0c7ad3fc53401b18aa8996a0 100644
--- a/compiler/src/performance.ts
+++ b/compiler/src/performance.ts
@@ -105,7 +105,7 @@ export function processExternalEvents(projectConfig: Object, eventType: number,
   const isTsc: boolean = isTscEvents(eventType);
   const { parentEvent, filePath } = externalEventsInfo;
   let events: Event[] = isTsc ? ts.PerformanceDotting.getEventData() :
-    (fs.existsSync(filePath) ? JSON.parse(fs.readFileSync(filePath, 'utf-8')): []);
+    (fs.existsSync(filePath) ? JSON.parse(fs.readFileSync(filePath, 'utf-8')) : []);
   if (events && events.length) {
     events = events.sort((a, b) => a.startTime - b.startTime);
     asyncEvents.set(isTsc ? events[0].parentId : events[0].parentEvent, parentEvent);
@@ -127,7 +127,7 @@ function setTotalTime(event: Event, isTsc: boolean): void {
     subEvent.start();
     subEvent.stop();
     subEvent.setTotalTime(event.duration);
-    asyncEvents.set(isTsc ? event.id : event.name, subEvent)
+    asyncEvents.set(isTsc ? event.id : event.name, subEvent);
   }
 }