diff --git a/Makefile b/Makefile
index 163c540..a355ab0 100644
--- a/Makefile
+++ b/Makefile
@@ -33,3 +33,7 @@ dev-server:
 build-server:
 	@echo "Build server"
 	./node_modules/.bin/esbuild $(FLAGS) --define:LIVE_RELOAD=false
+
+lint:
+	@echo "Lint"
+	./node_modules/.bin/eslint --fix .
diff --git a/dev/main.ts b/dev/main.ts
index 85745fc..39712e1 100644
--- a/dev/main.ts
+++ b/dev/main.ts
@@ -1,3 +1,7 @@
+/* eslint-disable @typescript-eslint/no-unsafe-assignment */
+/* eslint-disable @typescript-eslint/no-unsafe-member-access */
+/* eslint-disable @typescript-eslint/no-unsafe-return */
+/* eslint-disable @typescript-eslint/no-explicit-any */
 import { c2m, createTreemap, presetDecorator, sortChildrenByKey } from '../src'
 
 import './live-reload'
@@ -24,7 +28,7 @@ async function main() {
 
 treemap.init(root)
 
-main()
+main().catch(console.error)
 
 treemap.on('click', function(metadata) {
   this.zoom(metadata.module)
diff --git a/eslint.config.js b/eslint.config.js
index af99e52..1c035b5 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -1,19 +1,13 @@
 const { nonzzz } = require('eslint-config-kagura')
 
 module.exports = nonzzz(
-  { ts: true, jsx: true, react: true, unusedImports: true },
+  { typescript: true },
   {
     ignores: [
-      'dist',
-      'node_modules',
-      'examples/vue/dist/**',
-      'examples/vue/node_modules',
-      '__tests__/dist',
-      '**/*.d.ts'
-    ],
-    rules: {
-      'stylistic/indent': 'off',
-      'stylistic/space-before-function-paren': 'off'
-    }
+      '**/node_modules',
+      '**/dist',
+      '**/display',
+      '**/analysis'
+    ]
   }
 )
diff --git a/src/etoile/graph/box.ts b/src/etoile/graph/box.ts
index cdc8030..e7e58d9 100644
--- a/src/etoile/graph/box.ts
+++ b/src/etoile/graph/box.ts
@@ -7,7 +7,7 @@ export abstract class C extends Display {
     super()
     this.elements = []
   }
-  abstract get __instanceOf__(): string
+  abstract get __instanceOf__(): DisplayType
 
   add(...elements: Display[]) {
     const cap = elements.length
diff --git a/src/etoile/schedule/render.ts b/src/etoile/schedule/render.ts
index 2eaae1d..b2aa620 100644
--- a/src/etoile/schedule/render.ts
+++ b/src/etoile/schedule/render.ts
@@ -34,7 +34,9 @@ export class Render {
     this.c = new Canvas(options)
     this.options = options
     this.initOptions(options)
-    !options.shaow && to.appendChild(this.canvas)
+    if (!options.shaow) {
+      to.appendChild(this.canvas)
+    }
   }
 
   clear(width: number, height: number) {
diff --git a/src/primitives/event.ts b/src/primitives/event.ts
index 918c966..74b2074 100644
--- a/src/primitives/event.ts
+++ b/src/primitives/event.ts
@@ -173,7 +173,7 @@ function bindPrimitiveEvent(
       native: e,
       module: findRelativeNode({ x, y }, treemap.layoutNodes)
     }
-    // @ts-expect-error
+    // @ts-expect-error safe
     bus.emit(evt, event)
   }
   c.addEventListener(evt, handler)
@@ -234,8 +234,7 @@ export class SelfEvent extends RegisterModule {
     // If highlighting is triggered, it needs to be destroyed first
     this.self.highlight.reset()
     this.self.highlight.setDisplayLayerForHighlight()
-    // @ts-expect-error
-    this.self.event.off('mousemove', this.self.onmousemove)
+    this.self.event.off('mousemove', this.self.onmousemove.bind(this))
     this.treemap.event.off(internalEventMappings.ON_ZOOM)
     this.self.forceDestroy = true
     const { native } = metadata
@@ -263,7 +262,7 @@ export class SelfEvent extends RegisterModule {
     this.self.draggingState = { x: 0, y: 0 }
     this.self.highlight.reset()
     this.self.highlight.setDisplayLayerForHighlight()
-    this.self.event.bindWithContext(this)('mousemove', this.self.onmousemove)
+    this.self.event.bindWithContext(this)('mousemove', this.self.onmousemove.bind(this))
   }
 
   onmousemove(this: SelfEventContenxt, metadata: PrimitiveEventMetadata<'mousemove'>) {
@@ -285,8 +284,9 @@ export class SelfEvent extends RegisterModule {
 
   onwheel(this: SelfEventContenxt, metadata: PrimitiveEventMetadata<'wheel'>) {
     const { self, treemap } = this
-    // @ts-expect-error
-    const wheelDelta = metadata.native.wheelDelta
+
+    // @ts-expect-error safe
+    const wheelDelta = metadata.native.wheelDelta as number
     const absWheelDelta = Math.abs(wheelDelta)
     const offsetX = metadata.native.offsetX
     const offsetY = metadata.native.offsetY
@@ -332,17 +332,18 @@ export class SelfEvent extends RegisterModule {
       }
     ]
     mixin(app, methods)
+    const selfCtx = { treemap, self: this }
     const selfEvents = [...primitiveEvents, 'wheel'] as const
     selfEvents.forEach((evt) => {
-      nativeEvents.push(bindPrimitiveEvent(treemap.render.canvas, { treemap, self: this }, evt, event))
+      nativeEvents.push(bindPrimitiveEvent(treemap.render.canvas, selfCtx, evt, event))
     })
-    const selfEvt = event.bindWithContext<SelfEventContenxt>({ treemap, self: this })
-    selfEvt('mousedown', this.ondragstart)
-    selfEvt('mousemove', this.ondragmove)
-    selfEvt('mouseup', this.ondragend)
+    const selfEvt = event.bindWithContext<SelfEventContenxt>(selfCtx)
+    selfEvt('mousedown', this.ondragstart.bind(selfCtx))
+    selfEvt('mousemove', this.ondragmove.bind(selfCtx))
+    selfEvt('mouseup', this.ondragend.bind(selfCtx))
 
     // wheel
-    selfEvt('wheel', this.onwheel)
+    selfEvt('wheel', this.onwheel.bind(selfCtx))
 
     applyZoomEvent({ treemap, self: this })
 
@@ -352,11 +353,9 @@ export class SelfEvent extends RegisterModule {
       this.highlight.init(width, height, root)
 
       if (!installHightlightEvent) {
-        bindPrimitiveEvent(this.highlight.highlight.render.canvas, { treemap, self: this }, 'mousemove', event)
-        bindPrimitiveEvent(this.highlight.highlight.render.canvas, { treemap, self: this }, 'mouseout', event)
         // highlight
-        selfEvt('mousemove', this.onmousemove)
-        selfEvt('mouseout', this.onmouseout)
+        selfEvt('mousemove', this.onmousemove.bind(selfCtx))
+        selfEvt('mouseout', this.onmouseout.bind(selfCtx))
         installHightlightEvent = true
         this.highlight.setDisplayLayerForHighlight()
       }
@@ -394,6 +393,7 @@ function estimateZoomingArea(node: LayoutModule, root: LayoutModule | null, w: n
     let siblingWeightSum = 0
 
     for (const sibling of siblings) {
+      // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
       siblingWeightSum += sibling.weight
     }