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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/TestUtils.test.ts
+8 -2
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@@ -3,7 +3,8 @@
* @license MIT
*/
import { IBufferService, ICoreService, ILogService, IOptionsService, ITerminalOptions, ICoreMouseService, ICharsetService, IUnicodeService, IUnicodeVersionProvider, LogLevelEnum, IDecorationService, IInternalDecoration, IOscLinkService } from 'common/services/Services';
import { IBufferService, ICoreService, ILogService, IOptionsService, ITerminalOptions, ICoreMouseService, ICharsetService, UnicodeCharProperties, UnicodeCharWidth, IUnicodeService, IUnicodeVersionProvider, LogLevelEnum, IDecorationService, IInternalDecoration, IOscLinkService } from 'common/services/Services';
import { UnicodeService } from 'common/services/UnicodeService';
import { IEvent, EventEmitter } from 'common/EventEmitter';
import { clone } from 'common/Clone';
import { DEFAULT_OPTIONS } from 'common/services/OptionsService';
@@ -167,7 +168,12 @@ export class MockUnicodeService implements IUnicodeService {
public versions: string[] = [];
public activeVersion: string = '';
public onChange: IEvent<string> = new EventEmitter<string>().event;
public wcwidth = (codepoint: number): number => this._provider.wcwidth(codepoint);
public wcwidth = (codepoint: number): UnicodeCharWidth => this._provider.wcwidth(codepoint);
public charProperties(codepoint: number, preceding: UnicodeCharProperties): UnicodeCharProperties {
const w = this.wcwidth(codepoint);
const shouldJoin = w !== 0;
return UnicodeService.createPropertyValue(0, w, shouldJoin);
}
public getStringCellWidth(s: string): number {
throw new Error('Method not implemented.');
}