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useProgramFromProjectService.ts
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useProgramFromProjectService.ts
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import type * as ts from 'typescript';
import type { server } from 'typescript/lib/tsserverlibrary';
import { createProjectProgram } from './create-program/createProjectProgram';
import type { ASTAndDefiniteProgram } from './create-program/shared';
import type { MutableParseSettings } from './parseSettings';
export function useProgramFromProjectService(
projectService: server.ProjectService,
parseSettings: Readonly<MutableParseSettings>,
): ASTAndDefiniteProgram | undefined {
projectService.setCompilerOptionsForInferredProjects({
rootDir: parseSettings.tsconfigRootDir,
});
projectService.openClientFile(
parseSettings.filePath,
parseSettings.codeFullText,
/* scriptKind */ undefined,
parseSettings.tsconfigRootDir,
);
const scriptInfo = projectService.getScriptInfo(parseSettings.filePath);
const program = projectService
.getDefaultProjectForFile(scriptInfo!.fileName, true)!
.getLanguageService(/*ensureSynchronized*/ true)
.getProgram();
if (!program) {
return undefined;
}
return createProjectProgram(parseSettings, [program as ts.Program]);
}