async getLib()

in jshint-server/src/server.ts [439:488]
42 lines of code
8 McCabe index (conditional complexity)

	async getLib(): Promise<any> {
		if (this.lib) {
			return this.lib;
		}

		const globalPath = this.getGlobalPackageManagerPath(this.packageManager || 'yarn');

		let libraryPathPromise;
		if (this.nodePath) {
			libraryPathPromise = Files.resolve('jshint', this.nodePath, this.nodePath, () => this.trace).then(undefined, () => {
				return Files.resolve('jshint', globalPath, this.workspaceRoot, () => this.trace);
			});
		} else {
			libraryPathPromise = Files.resolve('jshint', /* nodePath */ undefined, this.workspaceRoot, () => this.trace).then(undefined, () => {
				return Files.resolve('jshint', globalPath, this.workspaceRoot, () => this.trace);
			});
		}

		let path;
		try {
			path = await libraryPathPromise;
		} catch (e) {
			this.connection.console.error('Failed to load jshint library');
			throw new Error('Failed to load jshint library. Please install jshint in your workspace folder using \'npm install jshint\' or globally using \'npm install -g jshint\' and then reload.');;
		}

		const confirmed = await this.confirmLibraryUsage(path, globalPath);
		if (!confirmed) {
			throw new Error('Library is not trusted');
		}

		let lib;
		try {
			lib = require(path);
		} catch (e) {
			this.connection.console.error('Failed to load jshint library');
			throw new Error('Failed to load jshint library. Please install jshint in your workspace folder using \'npm install jshint\' or globally using \'npm install -g jshint\' and then reload.');
		}

		if (!lib.JSHINT) {
			const message = 'The jshint library doesn\'t export a JSHINT property.';
			this.connection.console.error(message);
			throw new Error(message);
		}

		this.connection.console.info(`jshint library loaded from ${path}`);
		this.lib = lib;
		return this.lib;

	}