fix: Add docs and enhance tests

src/detectors/typeChecker/FileLinter.ts

@@ -208,6 +208,20 @@ export default class FileLinter {
 		});
 	}
 
+	/**
+	 * Gets arguments from a CallExpression.
+	 *
+	 * It could be the N-th argument from the call or it could
+	 * find a named argument within argument's list.
+	 * The callable function should have the following
+	 *
+	 * @param {ts.CallExpression} node
+	 * @param {object} settings
+	 * @param {string} settings.callExpressionName Method's name
+	 * @param {string} settings.callExpressionPropName Object's instance name
+	 * @param {string|number} settings.fnArgument The N-th argument or argument's name
+	 * @returns
+	 */
 	getFnArgument(node: ts.CallExpression, settings: {
 		callExpressionName: string;
 		callExpressionPropName: string;
@@ -219,7 +233,7 @@ export default class FileLinter {
 			!ts.isIdentifier(nodeExp.expression) ||
 			nodeExp?.expression?.text !== settings.callExpressionPropName) {
 			// Didn't match Instance.call(), so we're not interested anymore of analyzing it.
-			return;
+			return "zzzz";
 		}
 
 		let fnArgumentNode;

test/fixtures/linter/projects/library.with.custom.paths/src/main/js/library.js

@@ -27,6 +27,11 @@ sap.ui.define([
 		apiVersion: 2
 	});
 
+	// Should ignore
+	Library.anotherLibMethod({
+		apiVersion: 23
+	})
+
 
 	// delegate further initialization of this library to the Core
 	// Hint: sap.ui.getCore() must still be used to support preload with sync bootstrap!