fix(editor): ime input error at empty line (#11636)

Close [BS-3106](https://linear.app/affine-design/issue/BS-3106/mac-chrom在空行使用ime输入，文档卡住)

blocksuite/affine/blocks/code/src/highlight/affine-code-unit.ts

@@ -1,7 +1,7 @@
 import { affineTextStyles } from '@blocksuite/affine-shared/styles';
 import type { AffineTextAttributes } from '@blocksuite/affine-shared/types';
 import { ShadowlessElement } from '@blocksuite/std';
-import { ZERO_WIDTH_SPACE } from '@blocksuite/std/inline';
+import { ZERO_WIDTH_FOR_EMPTY_LINE } from '@blocksuite/std/inline';
 import type { DeltaInsert } from '@blocksuite/store';
 import { html } from 'lit';
 import { property } from 'lit/decorators.js';
@@ -111,7 +111,7 @@ export class AffineCodeUnit extends ShadowlessElement {
 
   @property({ type: Object })
   accessor delta: DeltaInsert<AffineTextAttributes> = {
-    insert: ZERO_WIDTH_SPACE,
+    insert: ZERO_WIDTH_FOR_EMPTY_LINE,
   };
 }
 

blocksuite/affine/inlines/footnote/src/footnote-node/footnote-node.ts

@@ -12,8 +12,8 @@ import {
 import {
   INLINE_ROOT_ATTR,
   type InlineRootElement,
-  ZERO_WIDTH_NON_JOINER,
-  ZERO_WIDTH_SPACE,
+  ZERO_WIDTH_FOR_EMBED_NODE,
+  ZERO_WIDTH_FOR_EMPTY_LINE,
 } from '@blocksuite/std/inline';
 import type { DeltaInsert } from '@blocksuite/store';
 import { shift } from '@floating-ui/dom';
@@ -186,7 +186,7 @@ export class AffineFootnoteNode extends WithDisposable(ShadowlessElement) {
     return html`<span
       ${this.hidePopup ? '' : ref(this._whenHover.setReference)}
       class=${nodeClasses}
-      >${node}<v-text .str=${ZERO_WIDTH_NON_JOINER}></v-text
+      >${node}<v-text .str=${ZERO_WIDTH_FOR_EMBED_NODE}></v-text
     ></span>`;
   }
 
@@ -195,7 +195,7 @@ export class AffineFootnoteNode extends WithDisposable(ShadowlessElement) {
 
   @property({ type: Object })
   accessor delta: DeltaInsert<AffineTextAttributes> = {
-    insert: ZERO_WIDTH_SPACE,
+    insert: ZERO_WIDTH_FOR_EMPTY_LINE,
     attributes: {},
   };
 

blocksuite/affine/inlines/latex/src/latex-node/latex-editor-unit.ts

@@ -1,6 +1,6 @@
 import type { AffineTextAttributes } from '@blocksuite/affine-shared/types';
 import { ShadowlessElement } from '@blocksuite/std';
-import { ZERO_WIDTH_SPACE } from '@blocksuite/std/inline';
+import { ZERO_WIDTH_FOR_EMPTY_LINE } from '@blocksuite/std/inline';
 import type { DeltaInsert } from '@blocksuite/store';
 import { html } from 'lit';
 import { property } from 'lit/decorators.js';
@@ -50,6 +50,6 @@ export class LatexEditorUnit extends ShadowlessElement {
 
   @property({ attribute: false })
   accessor delta: DeltaInsert<AffineTextAttributes> = {
-    insert: ZERO_WIDTH_SPACE,
+    insert: ZERO_WIDTH_FOR_EMPTY_LINE,
   };
 }

blocksuite/affine/inlines/latex/src/latex-node/latex-node.ts

@@ -9,8 +9,8 @@ import {
 } from '@blocksuite/std';
 import {
   type InlineEditor,
-  ZERO_WIDTH_NON_JOINER,
-  ZERO_WIDTH_SPACE,
+  ZERO_WIDTH_FOR_EMBED_NODE,
+  ZERO_WIDTH_FOR_EMPTY_LINE,
 } from '@blocksuite/std/inline';
 import type { DeltaInsert } from '@blocksuite/store';
 import { signal } from '@preact/signals-core';
@@ -178,7 +178,7 @@ export class AffineLatexNode extends SignalWatcher(
   override render() {
     return html`<span class="affine-latex" data-selected=${this.selected}
       ><div class="latex-container"></div>
-      <v-text .str=${ZERO_WIDTH_NON_JOINER}></v-text
+      <v-text .str=${ZERO_WIDTH_FOR_EMBED_NODE}></v-text
     ></span>`;
   }
 
@@ -244,7 +244,7 @@ export class AffineLatexNode extends SignalWatcher(
 
   @property({ attribute: false })
   accessor delta: DeltaInsert<AffineTextAttributes> = {
-    insert: ZERO_WIDTH_SPACE,
+    insert: ZERO_WIDTH_FOR_EMPTY_LINE,
   };
 
   @property({ attribute: false })

blocksuite/affine/inlines/link/src/link-node/affine-link.ts

@@ -13,7 +13,7 @@ import { BLOCK_ID_ATTR, ShadowlessElement } from '@blocksuite/std';
 import {
   INLINE_ROOT_ATTR,
   type InlineRootElement,
-  ZERO_WIDTH_SPACE,
+  ZERO_WIDTH_FOR_EMPTY_LINE,
 } from '@blocksuite/std/inline';
 import type { DeltaInsert } from '@blocksuite/store';
 import { css, html } from 'lit';
@@ -177,7 +177,7 @@ export class AffineLink extends WithDisposable(ShadowlessElement) {
 
   @property({ type: Object })
   accessor delta: DeltaInsert<AffineTextAttributes> = {
-    insert: ZERO_WIDTH_SPACE,
+    insert: ZERO_WIDTH_FOR_EMPTY_LINE,
   };
 
   @property({ attribute: false })

blocksuite/affine/inlines/mention/src/affine-mention.ts

@@ -5,8 +5,8 @@ import { SignalWatcher, WithDisposable } from '@blocksuite/global/lit';
 import type { BlockStdScope } from '@blocksuite/std';
 import { ShadowlessElement } from '@blocksuite/std';
 import {
-  ZERO_WIDTH_NON_JOINER,
-  ZERO_WIDTH_SPACE,
+  ZERO_WIDTH_FOR_EMBED_NODE,
+  ZERO_WIDTH_FOR_EMPTY_LINE,
 } from '@blocksuite/std/inline';
 import type { DeltaInsert } from '@blocksuite/store';
 import { css, html } from 'lit';
@@ -88,7 +88,7 @@ export class AffineMention extends SignalWatcher(
       data-selected=${this.selected}
       data-type="error"
       class="affine-mention"
-      >@Unknown Member<v-text .str=${ZERO_WIDTH_NON_JOINER}></v-text
+      >@Unknown Member<v-text .str=${ZERO_WIDTH_FOR_EMBED_NODE}></v-text
     ></span>`;
 
     const userService = this.std.getOptional(UserProvider);
@@ -107,7 +107,7 @@ export class AffineMention extends SignalWatcher(
           data-selected=${this.selected}
           data-type="removed"
           class="affine-mention"
-          >@Inactive Member<v-text .str=${ZERO_WIDTH_NON_JOINER}></v-text
+          >@Inactive Member<v-text .str=${ZERO_WIDTH_FOR_EMBED_NODE}></v-text
         ></span>`;
       } else {
         return html`<span
@@ -115,7 +115,7 @@ export class AffineMention extends SignalWatcher(
           data-type="default"
           class="affine-mention"
           >@${userInfo$.value.name ?? 'Unknown'}<v-text
-            .str=${ZERO_WIDTH_NON_JOINER}
+            .str=${ZERO_WIDTH_FOR_EMBED_NODE}
           ></v-text
         ></span>`;
       }
@@ -129,7 +129,7 @@ export class AffineMention extends SignalWatcher(
         >@loading<span class="dots"
           ><span class="dot">.</span><span class="dot">.</span
           ><span class="dot">.</span></span
-        ><v-text .str=${ZERO_WIDTH_NON_JOINER}></v-text
+        ><v-text .str=${ZERO_WIDTH_FOR_EMBED_NODE}></v-text
       ></span>`;
     }
 
@@ -138,7 +138,7 @@ export class AffineMention extends SignalWatcher(
 
   @property({ type: Object })
   accessor delta: DeltaInsert<AffineTextAttributes> = {
-    insert: ZERO_WIDTH_SPACE,
+    insert: ZERO_WIDTH_FOR_EMPTY_LINE,
     attributes: {},
   };
 

blocksuite/affine/inlines/preset/src/nodes/affine-text.ts

@@ -1,7 +1,7 @@
 import { affineTextStyles } from '@blocksuite/affine-shared/styles';
 import type { AffineTextAttributes } from '@blocksuite/affine-shared/types';
 import { ShadowlessElement } from '@blocksuite/std';
-import { ZERO_WIDTH_SPACE } from '@blocksuite/std/inline';
+import { ZERO_WIDTH_FOR_EMPTY_LINE } from '@blocksuite/std/inline';
 import type { DeltaInsert } from '@blocksuite/store';
 import { html } from 'lit';
 import { property } from 'lit/decorators.js';
@@ -30,6 +30,6 @@ export class AffineText extends ShadowlessElement {
 
   @property({ type: Object })
   accessor delta: DeltaInsert<AffineTextAttributes> = {
-    insert: ZERO_WIDTH_SPACE,
+    insert: ZERO_WIDTH_FOR_EMPTY_LINE,
   };
 }

blocksuite/affine/inlines/reference/src/reference-node/reference-node.ts

@@ -22,8 +22,8 @@ import { BLOCK_ID_ATTR, ShadowlessElement } from '@blocksuite/std';
 import {
   INLINE_ROOT_ATTR,
   type InlineRootElement,
-  ZERO_WIDTH_NON_JOINER,
-  ZERO_WIDTH_SPACE,
+  ZERO_WIDTH_FOR_EMBED_NODE,
+  ZERO_WIDTH_FOR_EMPTY_LINE,
 } from '@blocksuite/std/inline';
 import type { DeltaInsert, DocMeta, Store } from '@blocksuite/store';
 import { css, html, nothing } from 'lit';
@@ -274,14 +274,14 @@ export class AffineReference extends WithDisposable(ShadowlessElement) {
             >${title}</span
           >`;
 
-    // we need to add `<v-text .str=${ZERO_WIDTH_NON_JOINER}></v-text>` in an
+    // we need to add `<v-text .str=${ZERO_WIDTH_FOR_EMBED_NODE}></v-text>` in an
     // embed element to make sure inline range calculation is correct
     return html`<span
       data-selected=${this.selected}
       class="affine-reference"
       style=${styleMap(style)}
       @click=${(event: MouseEvent) => this.open({ event })}
-      >${content}<v-text .str=${ZERO_WIDTH_NON_JOINER}></v-text
+      >${content}<v-text .str=${ZERO_WIDTH_FOR_EMBED_NODE}></v-text
     ></span>`;
   }
 
@@ -299,7 +299,7 @@ export class AffineReference extends WithDisposable(ShadowlessElement) {
 
   @property({ type: Object })
   accessor delta: DeltaInsert<AffineTextAttributes> = {
-    insert: ZERO_WIDTH_SPACE,
+    insert: ZERO_WIDTH_FOR_EMPTY_LINE,
     attributes: {},
   };
 

blocksuite/framework/std/src/inline/components/v-element.ts

@@ -7,7 +7,7 @@ import { html, LitElement } from 'lit';
 import { property } from 'lit/decorators.js';
 import { styleMap } from 'lit/directives/style-map.js';
 
-import { ZERO_WIDTH_SPACE } from '../consts.js';
+import { ZERO_WIDTH_FOR_EMPTY_LINE } from '../consts.js';
 import type { InlineEditor } from '../inline-editor.js';
 import { isInlineRangeIntersect } from '../utils/inline-range.js';
 
@@ -90,7 +90,7 @@ export class VElement<
 
   @property({ type: Object })
   accessor delta: DeltaInsert<T> = {
-    insert: ZERO_WIDTH_SPACE,
+    insert: ZERO_WIDTH_FOR_EMPTY_LINE,
   };
 
   @property({ attribute: false })

blocksuite/framework/std/src/inline/components/v-line.ts

@@ -4,7 +4,7 @@ import { html, LitElement, type TemplateResult } from 'lit';
 import { property } from 'lit/decorators.js';
 import { styleMap } from 'lit/directives/style-map.js';
 
-import { INLINE_ROOT_ATTR, ZERO_WIDTH_SPACE } from '../consts.js';
+import { INLINE_ROOT_ATTR, ZERO_WIDTH_FOR_EMPTY_LINE } from '../consts.js';
 import type { InlineRootElement } from '../inline-editor.js';
 import { EmbedGap } from './embed-gap.js';
 
@@ -89,7 +89,9 @@ export class VLine extends LitElement {
   renderVElements() {
     if (this.elements.length === 0) {
       // don't use v-element because it not correspond to the actual delta
-      return html`<div><v-text .str=${ZERO_WIDTH_SPACE}></v-text></div>`;
+      return html`
+        <div><v-text .str=${ZERO_WIDTH_FOR_EMPTY_LINE}></v-text></div>
+      `;
     }
 
     const inlineEditor = this.inlineEditor;

blocksuite/framework/std/src/inline/components/v-text.ts

@@ -2,7 +2,7 @@ import { html, LitElement } from 'lit';
 import { property } from 'lit/decorators.js';
 import { styleMap } from 'lit/directives/style-map.js';
 
-import { ZERO_WIDTH_SPACE } from '../consts.js';
+import { ZERO_WIDTH_FOR_EMPTY_LINE } from '../consts.js';
 
 export class VText extends LitElement {
   override createRenderRoot() {
@@ -24,7 +24,7 @@ export class VText extends LitElement {
   }
 
   @property({ attribute: false })
-  accessor str: string = ZERO_WIDTH_SPACE;
+  accessor str: string = ZERO_WIDTH_FOR_EMPTY_LINE;
 }
 
 declare global {

blocksuite/framework/std/src/inline/consts.ts

@@ -1,5 +1,6 @@
-export const ZERO_WIDTH_SPACE = '\u200C';
-// see https://en.wikipedia.org/wiki/Zero-width_non-joiner
-export const ZERO_WIDTH_NON_JOINER = '\u200B';
+import { IS_SAFARI } from '@blocksuite/global/env';
+
+export const ZERO_WIDTH_FOR_EMPTY_LINE = IS_SAFARI ? '\u200C' : '\u200B';
+export const ZERO_WIDTH_FOR_EMBED_NODE = IS_SAFARI ? '\u200B' : '\u200C';
 
 export const INLINE_ROOT_ATTR = 'data-v-root';

blocksuite/framework/std/src/inline/utils/point-conversion.ts

@@ -1,7 +1,7 @@
 import { BlockSuiteError, ErrorCode } from '@blocksuite/global/exceptions';
 
 import type { VElement, VLine } from '../components/index.js';
-import { INLINE_ROOT_ATTR, ZERO_WIDTH_SPACE } from '../consts.js';
+import { INLINE_ROOT_ATTR, ZERO_WIDTH_FOR_EMPTY_LINE } from '../consts.js';
 import type { DomPoint, TextPoint } from '../types.js';
 import {
   isInlineRoot,
@@ -76,7 +76,7 @@ export function textPointToDomPoint(
     index += calculateTextLength(text);
   }
 
-  if (text.wholeText !== ZERO_WIDTH_SPACE) {
+  if (text.wholeText !== ZERO_WIDTH_FOR_EMPTY_LINE) {
     index += offset;
   }
 

blocksuite/framework/std/src/inline/utils/text.ts

@@ -1,7 +1,7 @@
-import { ZERO_WIDTH_SPACE } from '../consts.js';
+import { ZERO_WIDTH_FOR_EMPTY_LINE } from '../consts.js';
 
 export function calculateTextLength(text: Text): number {
-  if (text.wholeText === ZERO_WIDTH_SPACE) {
+  if (text.wholeText === ZERO_WIDTH_FOR_EMPTY_LINE) {
     return 0;
   } else {
     return text.wholeText.length;

blocksuite/playground/examples/inline/test-page.ts

@@ -5,7 +5,7 @@ import { effects } from '@blocksuite/affine/std/effects';
 import {
   type AttributeRenderer,
   InlineEditor,
-  ZERO_WIDTH_NON_JOINER,
+  ZERO_WIDTH_FOR_EMBED_NODE,
 } from '@blocksuite/affine/std/inline';
 import {
   type BaseTextAttributes,
@@ -62,7 +62,7 @@ const attributeRenderer: AttributeRenderer = ({ delta, selected }) => {
         border: selected ? '1px solid #eb763a' : '',
         background: 'rgba(135,131,120,0.15)',
       })}
-      >@flrande<v-text .str=${ZERO_WIDTH_NON_JOINER}></v-text
+      >@flrande<v-text .str=${ZERO_WIDTH_FOR_EMBED_NODE}></v-text
     ></span>`;
   }
 

tests/blocksuite/e2e/basic.spec.ts

@@ -394,7 +394,7 @@ test(scoped`delete emoji forward`, async ({ page }) => {
 });
 
 test(
-  scoped`ZERO_WIDTH_SPACE should be counted by one cursor position`,
+  scoped`ZERO_WIDTH_FOR_EMPTY_LINE should be counted by one cursor position`,
   async ({ page }) => {
     await enterPlaygroundRoom(page);
     await initEmptyParagraphState(page);

tests/blocksuite/e2e/database/actions.ts

@@ -12,7 +12,7 @@ import {
   getEditorLocator,
   waitNextFrame,
 } from '../utils/actions/misc.js';
-import { ZERO_WIDTH_SPACE } from '../utils/inline-editor.js';
+import { ZERO_WIDTH_FOR_EMPTY_LINE } from '../utils/inline-editor.js';
 
 export async function press(page: Page, content: string) {
   await page.keyboard.press(content, { delay: 50 });
@@ -95,7 +95,7 @@ export async function assertDatabaseTitleColumnText(
   const text = await selectCell1.innerText();
 
   if (title === '') {
-    expect(text).toMatch(new RegExp(`^(|[${ZERO_WIDTH_SPACE}])$`));
+    expect(text).toMatch(new RegExp(`^(|[${ZERO_WIDTH_FOR_EMPTY_LINE}])$`));
   } else {
     expect(text).toBe(title);
   }

tests/blocksuite/e2e/inline/inline-editor.spec.ts

@@ -15,7 +15,7 @@ import {
   initEmptyParagraphState,
 } from '../utils/actions/misc.js';
 import { assertRichTextInlineDeltas } from '../utils/asserts.js';
-import { ZERO_WIDTH_SPACE } from '../utils/inline-editor.js';
+import { ZERO_WIDTH_FOR_EMPTY_LINE } from '../utils/inline-editor.js';
 // FIXME(mirone): copy paste from framework/inline/__tests__/utils.ts
 const defaultPlaygroundURL = new URL(
   `http://localhost:${process.env.CI ? 4173 : 5173}/`
@@ -165,8 +165,8 @@ test('basic input', async ({ page, browserName }) => {
   const editorAUndo = page.getByText('undo').nth(0);
   const editorARedo = page.getByText('redo').nth(0);
 
-  await expect(editorA).toHaveText(ZERO_WIDTH_SPACE);
-  await expect(editorB).toHaveText(ZERO_WIDTH_SPACE);
+  await expect(editorA).toHaveText(ZERO_WIDTH_FOR_EMPTY_LINE);
+  await expect(editorB).toHaveText(ZERO_WIDTH_FOR_EMPTY_LINE);
 
   await page.waitForTimeout(100);
 
@@ -177,8 +177,8 @@ test('basic input', async ({ page, browserName }) => {
 
   await editorAUndo.click();
 
-  await expect(editorA).toHaveText(ZERO_WIDTH_SPACE);
-  await expect(editorB).toHaveText(ZERO_WIDTH_SPACE);
+  await expect(editorA).toHaveText(ZERO_WIDTH_FOR_EMPTY_LINE);
+  await expect(editorB).toHaveText(ZERO_WIDTH_FOR_EMPTY_LINE);
 
   await editorARedo.click();
 
@@ -244,12 +244,18 @@ test('basic input', async ({ page, browserName }) => {
 
   await page.waitForTimeout(100);
 
-  await expect(editorA).toHaveText('abc\n' + ZERO_WIDTH_SPACE + '\nbbb', {
-    useInnerText: true, // for multi-line text
-  });
-  await expect(editorB).toHaveText('abc\n' + ZERO_WIDTH_SPACE + '\nbbb', {
-    useInnerText: true, // for multi-line text
-  });
+  await expect(editorA).toHaveText(
+    'abc\n' + ZERO_WIDTH_FOR_EMPTY_LINE + '\nbbb',
+    {
+      useInnerText: true, // for multi-line text
+    }
+  );
+  await expect(editorB).toHaveText(
+    'abc\n' + ZERO_WIDTH_FOR_EMPTY_LINE + '\nbbb',
+    {
+      useInnerText: true, // for multi-line text
+    }
+  );
 
   await editorAUndo.click();
 
@@ -258,12 +264,18 @@ test('basic input', async ({ page, browserName }) => {
 
   await editorARedo.click();
 
-  await expect(editorA).toHaveText('abc\n' + ZERO_WIDTH_SPACE + '\nbbb', {
-    useInnerText: true, // for multi-line text
-  });
-  await expect(editorB).toHaveText('abc\n' + ZERO_WIDTH_SPACE + '\nbbb', {
-    useInnerText: true, // for multi-line text
-  });
+  await expect(editorA).toHaveText(
+    'abc\n' + ZERO_WIDTH_FOR_EMPTY_LINE + '\nbbb',
+    {
+      useInnerText: true, // for multi-line text
+    }
+  );
+  await expect(editorB).toHaveText(
+    'abc\n' + ZERO_WIDTH_FOR_EMPTY_LINE + '\nbbb',
+    {
+      useInnerText: true, // for multi-line text
+    }
+  );
 
   await focusInlineRichText(page);
   await page.waitForTimeout(100);
@@ -274,12 +286,18 @@ test('basic input', async ({ page, browserName }) => {
 
   await editorAUndo.click();
 
-  await expect(editorA).toHaveText('abc\n' + ZERO_WIDTH_SPACE + '\nbbb', {
-    useInnerText: true, // for multi-line text
-  });
-  await expect(editorB).toHaveText('abc\n' + ZERO_WIDTH_SPACE + '\nbbb', {
-    useInnerText: true, // for multi-line text
-  });
+  await expect(editorA).toHaveText(
+    'abc\n' + ZERO_WIDTH_FOR_EMPTY_LINE + '\nbbb',
+    {
+      useInnerText: true, // for multi-line text
+    }
+  );
+  await expect(editorB).toHaveText(
+    'abc\n' + ZERO_WIDTH_FOR_EMPTY_LINE + '\nbbb',
+    {
+      useInnerText: true, // for multi-line text
+    }
+  );
 
   await editorARedo.click();
 
@@ -314,12 +332,18 @@ test('basic input', async ({ page, browserName }) => {
   await press(page, 'Enter');
   await press(page, 'Enter');
 
-  await expect(editorA).toHaveText('abbbc\n' + ZERO_WIDTH_SPACE + '\ndd', {
-    useInnerText: true, // for multi-line text
-  });
-  await expect(editorB).toHaveText('abbbc\n' + ZERO_WIDTH_SPACE + '\ndd', {
-    useInnerText: true, // for multi-line text
-  });
+  await expect(editorA).toHaveText(
+    'abbbc\n' + ZERO_WIDTH_FOR_EMPTY_LINE + '\ndd',
+    {
+      useInnerText: true, // for multi-line text
+    }
+  );
+  await expect(editorB).toHaveText(
+    'abbbc\n' + ZERO_WIDTH_FOR_EMPTY_LINE + '\ndd',
+    {
+      useInnerText: true, // for multi-line text
+    }
+  );
 
   await editorAUndo.click();
 
@@ -328,12 +352,18 @@ test('basic input', async ({ page, browserName }) => {
 
   await editorARedo.click();
 
-  await expect(editorA).toHaveText('abbbc\n' + ZERO_WIDTH_SPACE + '\ndd', {
-    useInnerText: true, // for multi-line text
-  });
-  await expect(editorB).toHaveText('abbbc\n' + ZERO_WIDTH_SPACE + '\ndd', {
-    useInnerText: true, // for multi-line text
-  });
+  await expect(editorA).toHaveText(
+    'abbbc\n' + ZERO_WIDTH_FOR_EMPTY_LINE + '\ndd',
+    {
+      useInnerText: true, // for multi-line text
+    }
+  );
+  await expect(editorB).toHaveText(
+    'abbbc\n' + ZERO_WIDTH_FOR_EMPTY_LINE + '\ndd',
+    {
+      useInnerText: true, // for multi-line text
+    }
+  );
 });
 
 test('chinese input', async ({ page, browserName }) => {
@@ -348,8 +378,8 @@ test('chinese input', async ({ page, browserName }) => {
   const editorA = page.locator('[data-v-root="true"]').nth(0);
   const editorB = page.locator('[data-v-root="true"]').nth(1);
 
-  await expect(editorA).toHaveText(ZERO_WIDTH_SPACE);
-  await expect(editorB).toHaveText(ZERO_WIDTH_SPACE);
+  await expect(editorA).toHaveText(ZERO_WIDTH_FOR_EMPTY_LINE);
+  await expect(editorB).toHaveText(ZERO_WIDTH_FOR_EMPTY_LINE);
 
   await page.waitForTimeout(100);
   const client = await page.context().newCDPSession(page);
@@ -396,8 +426,8 @@ test('readonly mode', async ({ page }) => {
   const editorA = page.locator('[data-v-root="true"]').nth(0);
   const editorB = page.locator('[data-v-root="true"]').nth(1);
 
-  await expect(editorA).toHaveText(ZERO_WIDTH_SPACE);
-  await expect(editorB).toHaveText(ZERO_WIDTH_SPACE);
+  await expect(editorA).toHaveText(ZERO_WIDTH_FOR_EMPTY_LINE);
+  await expect(editorB).toHaveText(ZERO_WIDTH_FOR_EMPTY_LINE);
 
   await page.waitForTimeout(100);
 
@@ -441,8 +471,8 @@ test('basic styles', async ({ page }) => {
   const editorAUndo = page.getByText('undo').nth(0);
   const editorARedo = page.getByText('redo').nth(0);
 
-  await expect(editorA).toHaveText(ZERO_WIDTH_SPACE);
-  await expect(editorB).toHaveText(ZERO_WIDTH_SPACE);
+  await expect(editorA).toHaveText(ZERO_WIDTH_FOR_EMPTY_LINE);
+  await expect(editorB).toHaveText(ZERO_WIDTH_FOR_EMPTY_LINE);
 
   await page.waitForTimeout(100);
 
@@ -696,8 +726,8 @@ test('overlapping styles', async ({ page }) => {
   const editorAUndo = page.getByText('undo').nth(0);
   const editorARedo = page.getByText('redo').nth(0);
 
-  await expect(editorA).toHaveText(ZERO_WIDTH_SPACE);
-  await expect(editorB).toHaveText(ZERO_WIDTH_SPACE);
+  await expect(editorA).toHaveText(ZERO_WIDTH_FOR_EMPTY_LINE);
+  await expect(editorB).toHaveText(ZERO_WIDTH_FOR_EMPTY_LINE);
 
   await page.waitForTimeout(100);
 
@@ -868,8 +898,8 @@ test('input continuous spaces', async ({ page }) => {
   const editorA = page.locator('[data-v-root="true"]').nth(0);
   const editorB = page.locator('[data-v-root="true"]').nth(1);
 
-  await expect(editorA).toHaveText(ZERO_WIDTH_SPACE);
-  await expect(editorB).toHaveText(ZERO_WIDTH_SPACE);
+  await expect(editorA).toHaveText(ZERO_WIDTH_FOR_EMPTY_LINE);
+  await expect(editorB).toHaveText(ZERO_WIDTH_FOR_EMPTY_LINE);
 
   await page.waitForTimeout(100);
 
@@ -902,8 +932,8 @@ test('select from the start of line using shift+arrow', async ({ page }) => {
   const editorA = page.locator('[data-v-root="true"]').nth(0);
   const editorB = page.locator('[data-v-root="true"]').nth(1);
 
-  await expect(editorA).toHaveText(ZERO_WIDTH_SPACE);
-  await expect(editorB).toHaveText(ZERO_WIDTH_SPACE);
+  await expect(editorA).toHaveText(ZERO_WIDTH_FOR_EMPTY_LINE);
+  await expect(editorB).toHaveText(ZERO_WIDTH_FOR_EMPTY_LINE);
 
   await page.waitForTimeout(100);
 
@@ -961,8 +991,8 @@ test('getLine', async ({ page }) => {
   const editorA = page.locator('[data-v-root="true"]').nth(0);
   const editorB = page.locator('[data-v-root="true"]').nth(1);
 
-  await expect(editorA).toHaveText(ZERO_WIDTH_SPACE);
-  await expect(editorB).toHaveText(ZERO_WIDTH_SPACE);
+  await expect(editorA).toHaveText(ZERO_WIDTH_FOR_EMPTY_LINE);
+  await expect(editorB).toHaveText(ZERO_WIDTH_FOR_EMPTY_LINE);
 
   await page.waitForTimeout(100);
 
@@ -1032,7 +1062,7 @@ test('embed', async ({ page }) => {
 
   const editorA = page.locator('[data-v-root="true"]').nth(0);
   const editorAEmbed = page.getByText('embed').nth(0);
-  await expect(editorA).toHaveText(ZERO_WIDTH_SPACE);
+  await expect(editorA).toHaveText(ZERO_WIDTH_FOR_EMPTY_LINE);
 
   await page.waitForTimeout(100);
 
@@ -1101,7 +1131,7 @@ test('delete embed when pressing backspace after embed', async ({ page }) => {
 
   const editorA = page.locator('[data-v-root="true"]').nth(0);
   const editorAEmbed = page.getByText('embed').nth(0);
-  await expect(editorA).toHaveText(ZERO_WIDTH_SPACE);
+  await expect(editorA).toHaveText(ZERO_WIDTH_FOR_EMPTY_LINE);
   await page.waitForTimeout(100);
   await type(page, 'ab');
   await expect(editorA).toHaveText('ab');
@@ -1146,7 +1176,7 @@ test('triple click to select line', async ({ page }) => {
 
   const editorA = page.locator('[data-v-root="true"]').nth(0);
 
-  await expect(editorA).toHaveText(ZERO_WIDTH_SPACE);
+  await expect(editorA).toHaveText(ZERO_WIDTH_FOR_EMPTY_LINE);
   await page.waitForTimeout(100);
   await type(page, 'abc\nabc abc abc\nabc');
 
@@ -1161,9 +1191,12 @@ test('triple click to select line', async ({ page }) => {
   await assertSelection(page, 0, 4, 11);
 
   await pressBackspace(page);
-  await expect(editorA).toHaveText('abc\n' + ZERO_WIDTH_SPACE + '\nabc', {
-    useInnerText: true, // for multi-line text
-  });
+  await expect(editorA).toHaveText(
+    'abc\n' + ZERO_WIDTH_FOR_EMPTY_LINE + '\nabc',
+    {
+      useInnerText: true, // for multi-line text
+    }
+  );
 });
 
 test('caret should move correctly when inline elements are exist', async ({

tests/blocksuite/e2e/latex/inline.spec.ts

@@ -24,7 +24,7 @@ import {
   assertRichTextInlineDeltas,
   assertRichTextInlineRange,
 } from '../utils/asserts.js';
-import { ZERO_WIDTH_SPACE } from '../utils/inline-editor.js';
+import { ZERO_WIDTH_FOR_EMPTY_LINE } from '../utils/inline-editor.js';
 import { test } from '../utils/playwright.js';
 
 test('add inline latex at the start of line', async ({ page }) => {
@@ -162,13 +162,13 @@ test('latex editor', async ({ page }) => {
   );
 
   await pressBackspaceWithShortKey(page, 2);
-  expect(await latexEditorLine.innerText()).toBe(ZERO_WIDTH_SPACE);
+  expect(await latexEditorLine.innerText()).toBe(ZERO_WIDTH_FOR_EMPTY_LINE);
   await undoByKeyboard(page);
   expect(await latexEditorLine.innerText()).toBe(
     'ababababababababababababababababababababababababab'
   );
   await redoByKeyboard(page);
-  expect(await latexEditorLine.innerText()).toBe(ZERO_WIDTH_SPACE);
+  expect(await latexEditorLine.innerText()).toBe(ZERO_WIDTH_FOR_EMPTY_LINE);
   await undoByKeyboard(page);
   expect(await latexEditorLine.innerText()).toBe(
     'ababababababababababababababababababababababababab'
@@ -200,7 +200,7 @@ test('latex editor', async ({ page }) => {
 
   await selectAllByKeyboard(page);
   await pressBackspace(page);
-  expect(await latexEditorLine.innerText()).toBe(ZERO_WIDTH_SPACE);
+  expect(await latexEditorLine.innerText()).toBe(ZERO_WIDTH_FOR_EMPTY_LINE);
 
   // highlight
   await type(

tests/blocksuite/e2e/utils/actions/misc.ts

@@ -14,7 +14,7 @@ import { expect } from '@playwright/test';
 import stringify from 'json-stable-stringify';
 import lz from 'lz-string';
 
-import { ZERO_WIDTH_SPACE } from '../inline-editor.js';
+import { ZERO_WIDTH_FOR_EMPTY_LINE } from '../inline-editor.js';
 import { currentEditorIndex } from '../multiple-editor.js';
 import {
   pressArrowRight,
@@ -1054,7 +1054,7 @@ export async function getIndexCoordinate(
 }
 
 export function inlineEditorInnerTextToString(innerText: string): string {
-  return innerText.replace(ZERO_WIDTH_SPACE, '').trim();
+  return innerText.replace(ZERO_WIDTH_FOR_EMPTY_LINE, '').trim();
 }
 
 export async function focusTitle(page: Page) {

tests/blocksuite/e2e/utils/inline-editor.ts

@@ -22,4 +22,5 @@ export async function getStringFromRichText(
 }
 
 // Why? we can't import from `@blocksuite/affine/std/inline` because playwright will throw an error
-export const ZERO_WIDTH_SPACE = '\u200C';
+export const ZERO_WIDTH_FOR_EMPTY_LINE =
+  process.env.BROWSER === 'webkit' ? '\u200C' : '\u200B';

tests/kit/src/utils/editor.ts

@@ -8,10 +8,11 @@ import { expect, type Locator, type Page } from '@playwright/test';
 declare type _GLOBAL_ = typeof BlocksuiteEffects;
 
 const EDGELESS_TOOLBAR_WIDGET = 'edgeless-toolbar-widget';
-export const ZERO_WIDTH_SPACE = '\u200C';
+export const ZERO_WIDTH_FOR_EMPTY_LINE =
+  process.env.BROWSER === 'webkit' ? '\u200C' : '\u200B';
 
 export function inlineEditorInnerTextToString(innerText: string): string {
-  return innerText.replace(ZERO_WIDTH_SPACE, '').trim();
+  return innerText.replace(ZERO_WIDTH_FOR_EMPTY_LINE, '').trim();
 }
 
 const PARAGRAPH_BLOCK_LOCATOR = 'affine-paragraph';