private async getPackageInfo()

in src/debugAdapter/goDebug.ts [2267:2303]
37 lines of code
15 McCabe index (conditional complexity)

	private async getPackageInfo(debugState: DebuggerState | undefined): Promise<string | void> {
		if (!debugState || !debugState.currentThread || !debugState.currentThread.file) {
			return Promise.resolve();
		}
		if (this.delve?.isRemoteDebugging) {
			await this.initializeRemotePackagesAndSources();
		}
		const dir = path.dirname(
			this.delve?.remotePath?.length || this.delve?.isRemoteDebugging
				? this.toLocalPath(debugState.currentThread.file)
				: debugState.currentThread.file
		);
		if (this.packageInfo.has(dir)) {
			return Promise.resolve(this.packageInfo.get(dir));
		}
		return new Promise((resolve) => {
			execFile(
				getBinPathWithPreferredGopathGoroot('go', []),
				['list', '-f', '{{.Name}} {{.ImportPath}}'],
				{ cwd: dir, env: this.delve?.dlvEnv },
				(err, stdout, stderr) => {
					if (err || stderr || !stdout) {
						logError(`go list failed on ${dir}: ${stderr || err}`);
						return resolve();
					}
					if (stdout.split('\n').length !== 2) {
						logError(`Cannot determine package for ${dir}`);
						return resolve();
					}
					const spaceIndex = stdout.indexOf(' ');
					const result = stdout.substr(0, spaceIndex) === 'main' ? 'main' : stdout.substr(spaceIndex).trim();
					this.packageInfo.set(dir, result);
					resolve(result);
				}
			);
		});
	}