chore: fix eslint in blocksuite (#9232)

blocksuite/blocks/src/database-block/components/title/index.ts

@@ -70,29 +70,29 @@ export class DatabaseTitle extends WithDisposable(ShadowlessElement) {
     }
   `;
 
-  private compositionEnd = () => {
+  private readonly compositionEnd = () => {
     this.titleText.replace(0, this.titleText.length, this.input.value);
   };
 
-  private onBlur = () => {
+  private readonly onBlur = () => {
     this.isFocus = false;
   };
 
-  private onFocus = () => {
+  private readonly onFocus = () => {
     this.isFocus = true;
     if (this.database?.viewSelection$?.value) {
       this.database?.setSelection(undefined);
     }
   };
 
-  private onInput = (e: InputEvent) => {
+  private readonly onInput = (e: InputEvent) => {
     this.text = this.input.value;
     if (!e.isComposing) {
       this.titleText.replace(0, this.titleText.length, this.input.value);
     }
   };
 
-  private onKeyDown = (event: KeyboardEvent) => {
+  private readonly onKeyDown = (event: KeyboardEvent) => {
     event.stopPropagation();
     if (event.key === 'Enter' && !event.isComposing) {
       event.preventDefault();

blocksuite/blocks/src/database-block/database-block.ts

@@ -106,7 +106,7 @@ export class DatabaseBlockComponent extends CaptionedBlockComponent<
     }
   `;
 
-  private _clickDatabaseOps = (e: MouseEvent) => {
+  private readonly _clickDatabaseOps = (e: MouseEvent) => {
     const options = this.optionsConfig.configure(this.model, {
       items: [
         menu.input({
@@ -156,9 +156,9 @@ export class DatabaseBlockComponent extends CaptionedBlockComponent<
 
   private _dataSource?: DatabaseBlockDataSource;
 
-  private dataView = new DataView();
+  private readonly dataView = new DataView();
 
-  private renderTitle = (dataViewMethod: DataViewInstance) => {
+  private readonly renderTitle = (dataViewMethod: DataViewInstance) => {
     const addRow = () => dataViewMethod.addRow?.('start');
     return html` <affine-database-title
       style="overflow: hidden"

blocksuite/blocks/src/database-block/properties/link/cell-renderer.ts

@@ -82,7 +82,7 @@ export class LinkCell extends BaseCellRenderer<string> {
     }
   `;
 
-  private _onClick = (event: Event) => {
+  private readonly _onClick = (event: Event) => {
     event.stopPropagation();
     const value = this.value ?? '';
 
@@ -102,7 +102,7 @@ export class LinkCell extends BaseCellRenderer<string> {
     }
   };
 
-  private _onEdit = (e: Event) => {
+  private readonly _onEdit = (e: Event) => {
     e.stopPropagation();
     this.selectCurrentCell(true);
   };
@@ -199,13 +199,13 @@ export class LinkCellEditing extends BaseCellRenderer<string> {
     }
   `;
 
-  private _focusEnd = () => {
+  private readonly _focusEnd = () => {
     const end = this._container.value.length;
     this._container.focus();
     this._container.setSelectionRange(end, end);
   };
 
-  private _onKeydown = (e: KeyboardEvent) => {
+  private readonly _onKeydown = (e: KeyboardEvent) => {
     if (e.key === 'Enter' && !e.isComposing) {
       this._setValue();
       setTimeout(() => {
@@ -214,7 +214,7 @@ export class LinkCellEditing extends BaseCellRenderer<string> {
     }
   };
 
-  private _setValue = (value: string = this._container.value) => {
+  private readonly _setValue = (value: string = this._container.value) => {
     let url = value;
     if (isValidUrl(value)) {
       url = normalizeUrl(value);

blocksuite/blocks/src/database-block/properties/rich-text/cell-renderer.ts

@@ -205,7 +205,7 @@ export class RichTextCellEditing extends BaseCellRenderer<Text> {
     }
   `;
 
-  private _handleKeyDown = (event: KeyboardEvent) => {
+  private readonly _handleKeyDown = (event: KeyboardEvent) => {
     if (event.key !== 'Escape') {
       if (event.key === 'Tab') {
         event.preventDefault();
@@ -274,12 +274,12 @@ export class RichTextCellEditing extends BaseCellRenderer<Text> {
     }
   };
 
-  private _initYText = (text?: string) => {
+  private readonly _initYText = (text?: string) => {
     const yText = new Text(text);
     this.onChange(yText);
   };
 
-  private _onSoftEnter = () => {
+  private readonly _onSoftEnter = () => {
     if (this.value && this.inlineEditor) {
       const inlineRange = this.inlineEditor.getInlineRange();
       assertExists(inlineRange);

blocksuite/blocks/src/database-block/properties/title/text.ts

@@ -205,7 +205,7 @@ export class HeaderAreaTextCell extends BaseTextCell {
 }
 
 export class HeaderAreaTextCellEditing extends BaseTextCell {
-  private _onCopy = (e: ClipboardEvent) => {
+  private readonly _onCopy = (e: ClipboardEvent) => {
     const inlineEditor = this.inlineEditor;
     assertExists(inlineEditor);
 
@@ -222,7 +222,7 @@ export class HeaderAreaTextCellEditing extends BaseTextCell {
     e.stopPropagation();
   };
 
-  private _onCut = (e: ClipboardEvent) => {
+  private readonly _onCut = (e: ClipboardEvent) => {
     const inlineEditor = this.inlineEditor;
     assertExists(inlineEditor);
 
@@ -244,7 +244,7 @@ export class HeaderAreaTextCellEditing extends BaseTextCell {
     e.stopPropagation();
   };
 
-  private _onPaste = (e: ClipboardEvent) => {
+  private readonly _onPaste = (e: ClipboardEvent) => {
     const inlineEditor = this.inlineEditor;
     const inlineRange = inlineEditor?.getInlineRange();
     if (!inlineRange) return;