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getLeaf() should ignore non-leaf blots #3489

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merged 1 commit into from
Nov 29, 2021
Merged

getLeaf() should ignore non-leaf blots #3489

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8 changes: 6 additions & 2 deletions blots/scroll.js
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import { Scope, ScrollBlot, ContainerBlot } from 'parchment';
import { Scope, ScrollBlot, ContainerBlot, LeafBlot } from 'parchment';
import Emitter from '../core/emitter';
import Block, { BlockEmbed } from './block';
import Break from './break';
Expand Down Expand Up @@ -103,7 +103,11 @@ class Scroll extends ScrollBlot {
}

leaf(index) {
return this.path(index).pop() || [null, -1];
const last = this.path(index).pop();
if (!last || !(last[0] instanceof LeafBlot)) {
return [null, -1];
}
return last;
}

line(index) {
Expand Down
1 change: 1 addition & 0 deletions core/quill.js
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Original file line number Diff line number Diff line change
Expand Up @@ -249,6 +249,7 @@ class Quill {
} else {
bounds = this.selection.getBounds(index.index, index.length);
}
if (!bounds) return null;
const containerBounds = this.container.getBoundingClientRect();
return {
bottom: bounds.bottom - containerBounds.top,
Expand Down
9 changes: 9 additions & 0 deletions test/unit/core/selection.js
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Original file line number Diff line number Diff line change
Expand Up @@ -630,5 +630,14 @@ describe('Selection', function() {
this.bounds = selection.getBounds(0, 10);
}).not.toThrow();
});

it('empty container', function() {
const selection = this.initialize(
Selection,
'<table><tr><td data-row="a">a</td></tr></table>',
);
this.quill.updateContents([{ retain: 1 }, { insert: '\n' }]);
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this.quill is undefined, so this test fails for our fork here.

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The following patch fixes the test here:

diff --git a/test/unit/core/selection.js b/test/unit/core/selection.js
index 164f5f8b..ef1d1832 100644
--- a/test/unit/core/selection.js
+++ b/test/unit/core/selection.js
@@ -1,6 +1,9 @@
+import Delta from 'quill-delta';
+
 import Selection, { Range } from '../../../core/selection';
 import Cursor from '../../../blots/cursor';
 import Emitter from '../../../core/emitter';
+import Editor from '../../../core/editor';
 
 describe('Selection', function() {
   beforeEach(function() {
@@ -632,12 +635,13 @@ describe('Selection', function() {
     });
 
     it('empty container', function() {
-      const selection = this.initialize(
-        Selection,
+      const [editor, selection] = this.initialize(
+        [Editor, Selection],
         '<table><tr><td data-row="a">a</td></tr></table>',
       );
-      this.quill.updateContents([{ retain: 1 }, { insert: '\n' }]);
+      editor.applyDelta(new Delta([{ retain: 1 }, { insert: '\n' }]));
       expect(selection.getBounds(2, 0)).toEqual(null);
+      this.bounds = selection.getBounds(0, 1);
     });
   });
 });

expect(selection.getBounds(2, 0)).toEqual(null);
});
});
});