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New unicode-graphemes addon.

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Handle grapheme cluster lookup as well as wcwidth.
This is based on Unicode 15, and could replace the unicode11 addon.
This commit is contained in:
Per Bothner
2023-05-16 18:31:31 -07:00
parent 7a7f4f0add
commit 2f7fe1189c
28 changed files with 1055 additions and 49 deletions
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src/common/buffer/BufferLine.test.ts
+3 -3
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@@ -431,7 +431,7 @@ describe('BufferLine', function(): void {
describe('addCharToCell', () => {
it('should set width to 1 for empty cell', () => {
const line = new TestBufferLine(3, CellData.fromCharData([DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]), false);
line.addCodepointToCell(0, '\u0301'.charCodeAt(0));
line.addCodepointToCell(0, '\u0301'.charCodeAt(0), 0);
const cell = line.loadCell(0, new CellData());
// chars contains single combining char
// width is set to 1
@@ -444,7 +444,7 @@ describe('BufferLine', function(): void {
const cell = line .loadCell(0, new CellData());
cell.setFromCharData([123, 'e\u0301', 1, 'e\u0301'.charCodeAt(1)]);
line.setCell(0, cell);
line.addCodepointToCell(0, '\u0301'.charCodeAt(0));
line.addCodepointToCell(0, '\u0301'.charCodeAt(0), 0);
line.loadCell(0, cell);
// chars contains 3 chars
// width is set to 1
@@ -457,7 +457,7 @@ describe('BufferLine', function(): void {
const cell = line .loadCell(0, new CellData());
cell.setFromCharData([123, 'e', 1, 'e'.charCodeAt(1)]);
line.setCell(0, cell);
line.addCodepointToCell(0, '\u0301'.charCodeAt(0));
line.addCodepointToCell(0, '\u0301'.charCodeAt(0), 0);
line.loadCell(0, cell);
// chars contains 2 chars
// width is set to 1