Make sure qmlimportscanner is available

Author: TheAssassin

src/qml.cpp

@@ -27,6 +27,12 @@ fs::path findQmlImportScanner() {
 
 std::string runQmlImportScanner(const std::vector<std::filesystem::path> &sourcesPaths, const std::vector<fs::path> &qmlImportPaths) {
     auto qmlImportScannerPath = findQmlImportScanner();
+
+    if (findQmlImportScanner().empty()) {
+        // TODO: come up with some more user friendly logging like it's done for qmake
+        throw std::runtime_error("error: qmlimportscanner not found $PATH");
+    }
+
     std::vector<std::string> command{qmlImportScannerPath.string()};
 
     for (const auto &sourcesPath : sourcesPaths)