Function setup

setup/setup.js:13–31

* @returns {Promise<void>} result

()

 * @returns {Promise<void>} result
 */
function setup() {
	return checkSymlinkExistsAsync()
		.then(async (hasSymlink) => {
			if (!hasSymlink) {
				await ensureYarnInstalledAsync();
				await runSetupSymlinkAsync();
				if (!(await checkSymlinkExistsAsync())) {
					throw new Error("windows symlink was not successfully created");
				}
			}
		})
		.then(() => {
			process.exitCode = 0;
		})
		.catch((err) => {
			console.error(err);
			process.exitCode = 1;
		});
}

/**
 * @returns {Promise<void>} result