Merge pull request #311 from smorimoto/fix-depext-flags-failure

Return an empty array to avoid depext failure when depext flags are not passed

Author: smorimoto

CHANGELOG.md

@@ -8,6 +8,11 @@ and this project adheres to
 
 ## [unreleased]
 
+### Fixed
+
+- Return an empty array to avoid depext failure when depext flags are not
+  passed.
+
 ## [2.0.0-beta6]
 
 ### Changed

dist/index.js

@@ -26,7 +26,8 @@ export const OPAM_DEPEXT = core.getBooleanInput("opam-depext");
 export const OPAM_DEPEXT_FLAGS = core
   .getInput("opam-depext-flags")
   .split(",")
-  .map((f) => f.trim());
+  .map((f) => f.trim())
+  .filter((f) => f.length > 0);
 
 export const OPAM_DISABLE_SANDBOXING = core.getBooleanInput(
   "opam-disable-sandboxing"