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refactor(language-service): add methods for decoding classifications to public api (#62251)

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Add methods for decoding classifications to public api for use in the
language server

PR Close #62251
This commit is contained in:
Jannik Lassahn 2025-06-24 20:57:09 +02:00 committed by Jessica Janiuk
parent 9791ab1b6f
commit b489f9fa8f
3 changed files with 24 additions and 1 deletions
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3
packages/language-service/api.ts
View file

@ -110,6 +110,9 @@ export interface NgLanguageService extends ts.LanguageService {
): Promise<ApplyRefactoringResult | undefined>;
hasCodeFixesForErrorCode(errorCode: number): boolean;
getTokenTypeFromClassification(classification: number): number | undefined;
getTokenModifierFromClassification(classification: number): number;
}
export function isNgLanguageService(

13
packages/language-service/src/language_service.ts
View file

@ -49,7 +49,7 @@ import {
} from './utils/ts_utils';
import {getTypeCheckInfoAtPosition, isTypeScriptFile, TypeCheckInfo} from './utils';
import {ActiveRefactoring, allRefactorings} from './refactorings/refactoring';
import {getClassificationsForTemplate} from './semantic_tokens';
import {getClassificationsForTemplate, TokenEncodingConsts} from './semantic_tokens';
import {isExternalResource} from '@angular/compiler-cli/src/ngtsc/metadata';
type LanguageServiceConfig = Omit<PluginConfig, 'angularOnly'>;
@ -363,6 +363,17 @@ export class LanguageService {
}
}
getTokenTypeFromClassification(classification: number): number | undefined {
if (classification > TokenEncodingConsts.modifierMask) {
return (classification >> TokenEncodingConsts.typeOffset) - 1;
}
return undefined;
}
getTokenModifierFromClassification(classification: number) {
return classification & TokenEncodingConsts.modifierMask;
}
getCompletionsAtPosition(
fileName: string,
position: number,

9
packages/language-service/src/ts_plugin.ts
View file

@ -149,6 +149,13 @@ export function create(info: ts.server.PluginCreateInfo): NgLanguageService {
}
}
function getTokenTypeFromClassification(classification: number): number | undefined {
return ngLS.getTokenTypeFromClassification(classification);
}
function getTokenModifierFromClassification(classification: number): number {
return ngLS.getTokenModifierFromClassification(classification);
}
function getCompletionsAtPosition(
fileName: string,
position: number,
@ -371,6 +378,8 @@ export function create(info: ts.server.PluginCreateInfo): NgLanguageService {
findRenameLocations,
getRenameInfo,
getEncodedSemanticClassifications,
getTokenTypeFromClassification,
getTokenModifierFromClassification,
getCompletionsAtPosition,
getCompletionEntryDetails,
getCompletionEntrySymbol,