NativeScript/nativescript-core/ui/builder/module-name-sanitizer.ts

export function sanitizeModuleName(
	moduleName: string,
	removeExtension: boolean = true
): string {
	moduleName = moduleName.trim();

	if (moduleName.startsWith("~/")) {
		moduleName = moduleName.substring(2);
	} else if (moduleName.startsWith("~")) {
		moduleName = moduleName.substring(1);
	} else if (moduleName.startsWith("/")) {
		moduleName = moduleName.substring(1);
	}

	if (removeExtension) {
		const extToRemove = ["js", "ts", "xml", "html", "css", "scss"];
		const extensionRegEx = new RegExp(
			`(.*)\\.(?:${extToRemove.join("|")})`,
			"i"
		);
		moduleName = moduleName.replace(extensionRegEx, "$1");
	}

	return moduleName;
}