Function extractFlutterSdkPathFromPackagesFile

src/shared/utils/fs.ts:279–322

(projectFolder: string)

}

export function extractFlutterSdkPathFromPackagesFile(projectFolder: string): string | undefined {
	if (!fs.existsSync(projectFolder))
		return undefined;

	const packageMap = PackageMap.loadForProject(nullLogger, projectFolder);
	const flutterRootPath = packageMap.flutterRootPath;
	let packagePath = flutterRootPath ?? packageMap.getPackagePath("flutter");

	if (!packagePath)
		return undefined;

	// Set windows slashes to / while manipulating.
	if (isWin) {
		packagePath = packagePath.replace(/\\/g, "/");
	}

	// Make sure ends with a slash.
	if (!packagePath.endsWith("/"))
		packagePath = packagePath + "/";

	// Trim suffix we don't need.
	const pathSuffix = "/packages/flutter/lib/";
	if (!flutterRootPath && packagePath.endsWith(pathSuffix)) {
		packagePath = packagePath.substr(0, packagePath.length - pathSuffix.length);
	}

	// Make sure ends with a slash.
	if (!packagePath.endsWith("/"))
		packagePath = packagePath + "/";

	// Append bin if required.
	if (!packagePath.endsWith("/bin/")) {
		packagePath = packagePath + "bin/";
	}

	// Set windows paths back.
	if (isWin) {
		packagePath = packagePath.replace(/\//g, "\\");
		if (packagePath.startsWith("\\"))
			packagePath = packagePath.substring(1);
	}

	return fs.existsSync(packagePath) ? packagePath : undefined;
}


export function resolveTildePaths<T extends string | undefined>(p: T): string | (undefined extends T ? undefined : never) {