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feat: improve editor performance (#14429)

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#### PR Dependency Tree


* **PR #14429** 👈

This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **New Features**
* HTML import now splits lines on <br> into separate paragraphs while
preserving inline formatting.

* **Bug Fixes**
* Paste falls back to inserting after the first paragraph when no
explicit target is found.

* **Style**
  * Improved page-mode viewport styling for consistent content layout.

* **Tests**
* Added snapshot tests for <br>-based paragraph splitting; re-enabled an
e2e drag-page test.

* **Chores**
* Deferred/deduplicated font loading, inline text caching,
drag-handle/pointer optimizations, and safer inline render
synchronization.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
This commit is contained in:
DarkSky
2026-02-14 00:43:36 +08:00
committed by GitHub
parent 98e5747fdc
commit 72df9cb457
14 changed files with 873 additions and 111 deletions
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blocksuite/affine/all/src/__tests__/adapters/html.unit.spec.ts
+151
View File
@@ -2101,6 +2101,157 @@ describe('html to snapshot', () => {
expect(nanoidReplacement(rawBlockSnapshot)).toEqual(blockSnapshot);
});
test('paragraph with br should split into multiple blocks', async () => {
const html = template(`<p>aaa<br>bbb<br>ccc</p>`);
const blockSnapshot: BlockSnapshot = {
type: 'block',
id: 'matchesReplaceMap[0]',
flavour: 'affine:note',
props: {
xywh: '[0,0,800,95]',
background: DefaultTheme.noteBackgrounColor,
index: 'a0',
hidden: false,
displayMode: NoteDisplayMode.DocAndEdgeless,
},
children: [
{
type: 'block',
id: 'matchesReplaceMap[1]',
flavour: 'affine:paragraph',
props: {
type: 'text',
text: {
'$blocksuite:internal:text$': true,
delta: [{ insert: 'aaa' }],
},
},
children: [],
},
{
type: 'block',
id: 'matchesReplaceMap[2]',
flavour: 'affine:paragraph',
props: {
type: 'text',
text: {
'$blocksuite:internal:text$': true,
delta: [{ insert: 'bbb' }],
},
},
children: [],
},
{
type: 'block',
id: 'matchesReplaceMap[3]',
flavour: 'affine:paragraph',
props: {
type: 'text',
text: {
'$blocksuite:internal:text$': true,
delta: [{ insert: 'ccc' }],
},
},
children: [],
},
],
};
const htmlAdapter = new HtmlAdapter(createJob(), provider);
const rawBlockSnapshot = await htmlAdapter.toBlockSnapshot({
file: html,
});
expect(nanoidReplacement(rawBlockSnapshot)).toEqual(blockSnapshot);
});
test('paragraph with br should keep inline styles in each split line', async () => {
const html = template(
`<p><strong>aaa</strong><br><a href="https://www.google.com/">bbb</a><br><em>ccc</em></p>`
);
const blockSnapshot: BlockSnapshot = {
type: 'block',
id: 'matchesReplaceMap[0]',
flavour: 'affine:note',
props: {
xywh: '[0,0,800,95]',
background: DefaultTheme.noteBackgrounColor,
index: 'a0',
hidden: false,
displayMode: NoteDisplayMode.DocAndEdgeless,
},
children: [
{
type: 'block',
id: 'matchesReplaceMap[1]',
flavour: 'affine:paragraph',
props: {
type: 'text',
text: {
'$blocksuite:internal:text$': true,
delta: [
{
insert: 'aaa',
attributes: {
bold: true,
},
},
],
},
},
children: [],
},
{
type: 'block',
id: 'matchesReplaceMap[2]',
flavour: 'affine:paragraph',
props: {
type: 'text',
text: {
'$blocksuite:internal:text$': true,
delta: [
{
insert: 'bbb',
attributes: {
link: 'https://www.google.com/',
},
},
],
},
},
children: [],
},
{
type: 'block',
id: 'matchesReplaceMap[3]',
flavour: 'affine:paragraph',
props: {
type: 'text',
text: {
'$blocksuite:internal:text$': true,
delta: [
{
insert: 'ccc',
attributes: {
italic: true,
},
},
],
},
},
children: [],
},
],
};
const htmlAdapter = new HtmlAdapter(createJob(), provider);
const rawBlockSnapshot = await htmlAdapter.toBlockSnapshot({
file: html,
});
expect(nanoidReplacement(rawBlockSnapshot)).toEqual(blockSnapshot);
});
test('nested list', async () => {
const html = template(`<ul><li>111<ul><li>222</li></ul></li></ul>`);