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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | 1x 1x 1x 7x 7x 6x 6x 7x 1x 1x 4x 7x 3x 1x 1x 2x 3x 3x 3x 7x 1x 3x 3x 3x 1x | import { promises as fs } from 'node:fs';
export class PackageJsonFinder {
async readPackageJsonVersion(packageJsonPath: string): Promise<string> {
try {
await fs.access(packageJsonPath);
const content = await fs.readFile(packageJsonPath, 'utf8');
const pkg: { version?: unknown } = JSON.parse(content);
if (typeof pkg.version !== 'string') {
throw new Error('Version field not found in package.json');
}
return pkg.version;
} catch (err) {
if (this.isEnoentError(err)) {
throw new Error('package.json not found');
}
throw new Error(
`Failed to read or parse package.json: ${err instanceof Error ? err.message : String(err)}`,
);
}
}
private isEnoentError(err: unknown): boolean {
if (!(err instanceof Error)) {
return false;
}
return 'code' in err && (err as { code?: string }).code === 'ENOENT';
}
}
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