maven-plugin: Skip compilation if nothing to do

kohlschutter · Nov 30, 2023 · b40293b · b40293b
1 parent 4c37306
commit b40293b
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/...e-maven-plugin/src/main/java/com/kohlschutter/jacline/mavenplugin/JaclineCompileMojo.java b/...e-maven-plugin/src/main/java/com/kohlschutter/jacline/mavenplugin/JaclineCompileMojo.java
@@ -293,24 +293,35 @@ private void closureCompile(Path transpiledOut) throws IOException,
     ClosureCompilerSources cs = new ClosureCompilerSources();
 
     cs.addSource(transpiledOut);
+
+    boolean haveSourceRoots = false;
     for (String s : javascriptSourceRoots) {
       Path p = absolutePath(s);
       if (!Files.exists(p)) {
         log.warn("Skipping missing source root: " + p);
         continue;
       }
+      haveSourceRoots = true;
       cs.addSource(p);
     }
+
+    boolean haveEntryPoints = false;
     for (String s : entryPoints) {
       Path p = absolutePath(s);
       if (!Files.exists(p)) {
         log.warn("Skipping missing entry point: " + p);
         continue;
       }
 
+      haveEntryPoints = true;
       cs.addEntryPoint(p);
     }
 
+    if (!haveSourceRoots && !haveEntryPoints) {
+      log.info("Nothing to do for the closure-compiler");
+      return;
+    }
+
     List<String> compileClasspathElements = project.getCompileClasspathElements();
     cs.addSourcesFromClasspath(compileClasspathElements);