diff --git a/lib/ts/Makefile.am b/lib/ts/Makefile.am
index 9ea20a4..62ea206 100644
--- a/lib/ts/Makefile.am
+++ b/lib/ts/Makefile.am
@@ -21,10 +21,38 @@
 # We call install twice to work around npm issues
 #
 if HAVE_NPM
-SUBDIRS = test
 
-check-local: all
+prereq:
 	$(NPM) install || $(NPM) install
 	$(NPM) list
+
+check-local: prereq all
 	./node_modules/.bin/grunt
+
+doc: prereq
+	./node_modules/.bin/grunt jsdoc
+
 endif
+
+clean-local:
+	$(RM) -r dist
+	$(RM) -r doc
+	$(RM) -r node_modules
+	$(RM) -r test/build/
+	$(RM) -r test/gen-*/
+
+dist-hook:
+	$(RM) -r $(distdir)/dist/
+	$(RM) -r $(distdir)/doc/
+	$(RM) -r $(distdir)/node_modules/
+	$(RM) -r $(distdir)/test/build/
+	$(RM) -r $(distdir)/test/gen-*/
+
+EXTRA_DIST = \
+    coding_standards.md \
+    Gruntfile.js \
+    package.json \
+    package-lock.json \
+    thrift.d.ts \
+    tsconfig.json
+