diff --git a/action_metadata.go b/action_metadata.go
index bdf25095d..562c782b8 100644
--- a/action_metadata.go
+++ b/action_metadata.go
@@ -106,7 +106,7 @@ type ActionMetadataRuns struct {
 	// PostIf is `post-if` configuration of action.yaml for JavaScript action.
 	PostIf string `yaml:"post-if"`
 	// Steps is `steps` configuration of action.yaml for Composite action.
-	Steps []yaml.Node `yaml:"steps"`
+	Steps []any `yaml:"steps"`
 	// Image is `image` of action.yaml for Docker action.
 	Image string `yaml:"image"`
 	// PreEntrypoint is `pre-entrypoint` of action.yaml for Docker action.
@@ -116,9 +116,9 @@ type ActionMetadataRuns struct {
 	// PostEntrypoint is `post-entrypoint` of action.yaml for Docker action.
 	PostEntrypoint string `yaml:"post-entrypoint"`
 	// Args is `args` of action.yaml for Docker action.
-	Args []*yaml.Node `yaml:"args"`
+	Args []any `yaml:"args"`
 	// Env is `env` of action.yaml for Docker action.
-	Env map[string]*yaml.Node `yaml:"env"`
+	Env map[string]any `yaml:"env"`
 }
 
 // ActionMetadata represents structure of action.yaml.
diff --git a/rule_action.go b/rule_action.go
index 4a6bd4d5c..22c261397 100644
--- a/rule_action.go
+++ b/rule_action.go
@@ -109,19 +109,15 @@ func (rule *RuleAction) invalidActionFormat(pos *Pos, spec string, why string) {
 	rule.Errorf(pos, "specifying action %q in invalid format because %s. available formats are \"{owner}/{repo}@{ref}\" or \"{owner}/{repo}/{path}@{ref}\"", spec, why)
 }
 
-func (rule *RuleAction) invalidRunnerName(pos *Pos, name, action, path string) {
+func (rule *RuleAction) invalidRunsName(pos *Pos, name, action, path string) {
 	rule.Errorf(pos, "invalid runner name %q at runs.using in local action %q defined at %q. see https://docs.github.com/en/actions/creating-actions/metadata-syntax-for-github-actions#runs to know valid runner names", name, action, path)
 }
 
-func (rule *RuleAction) missingRunnerProp(pos *Pos, prop, ty, action, path string) {
-	rule.Errorf(pos, `%q is required at "runs" section for %s action in local action %q defined at %q`, prop, ty, action, path)
+func (rule *RuleAction) missingRunsProp(pos *Pos, prop, ty, action, path string) {
+	rule.Errorf(pos, `%q is required in "runs" section because %q is a %s action. the action is defined at %q`, prop, action, ty, path)
 }
 
-func (rule *RuleAction) invalidRunnerProp(pos *Pos, prop, ty, action, path string) {
-	rule.Errorf(pos, `%q is not allowed at "runs" section for %s action in local action %q defined at %q`, prop, ty, action, path)
-}
-
-func (rule *RuleAction) checkInvalidRunnerProps(pos *Pos, r *ActionMetadataRuns, ty, action, path string, props []string) {
+func (rule *RuleAction) checkInvalidRunsProps(pos *Pos, r *ActionMetadataRuns, ty, action, path string, props []string) {
 	for _, prop := range props {
 		invalid := prop == "main" && r.Main != "" ||
 			prop == "pre" && r.Pre != "" ||
@@ -137,7 +133,7 @@ func (rule *RuleAction) checkInvalidRunnerProps(pos *Pos, r *ActionMetadataRuns,
 			prop == "env" && r.Env != nil
 
 		if invalid {
-			rule.Errorf(pos, `%q is not allowed at "runs" section because %q is a %s action. it is defined at %q`, prop, action, ty, path)
+			rule.Errorf(pos, `%q is not allowed in "runs" section because %q is a %s action. the action is defined at %q`, prop, action, ty, path)
 		}
 	}
 }
@@ -145,7 +141,7 @@ func (rule *RuleAction) checkInvalidRunnerProps(pos *Pos, r *ActionMetadataRuns,
 // https://docs.github.com/en/actions/creating-actions/metadata-syntax-for-github-actions#runs-for-javascript-actions
 // https://docs.github.com/en/actions/creating-actions/metadata-syntax-for-github-actions#runs-for-docker-container-actions
 // https://docs.github.com/en/actions/creating-actions/metadata-syntax-for-github-actions#runs-for-composite-actions
-func (rule *RuleAction) checkLocalActionRunner(path string, meta *ActionMetadata, pos *Pos) {
+func (rule *RuleAction) checkLocalActionRuns(path string, meta *ActionMetadata, pos *Pos) {
 	r := &meta.Runs
 	u := r.Using
 	if u == "" {
@@ -155,28 +151,28 @@ func (rule *RuleAction) checkLocalActionRunner(path string, meta *ActionMetadata
 
 	if u == "docker" {
 		if r.Image == "" {
-			rule.missingRunnerProp(pos, "image", "Docker", meta.Name, path)
+			rule.missingRunsProp(pos, "image", "Docker", meta.Name, path)
 		}
-		rule.checkInvalidRunnerProps(pos, r, "Docker", meta.Name, path, []string{"main", "pre", "pre-if", "post", "post-if", "steps"})
+		rule.checkInvalidRunsProps(pos, r, "Docker", meta.Name, path, []string{"main", "pre", "pre-if", "post", "post-if", "steps"})
 		return
 	}
 
 	if u == "composite" {
 		if len(r.Steps) == 0 {
-			rule.missingRunnerProp(pos, "steps", "Composite", meta.Name, path)
+			rule.missingRunsProp(pos, "steps", "Composite", meta.Name, path)
 		}
-		rule.checkInvalidRunnerProps(pos, r, "Composite", meta.Name, path, []string{"main", "pre", "pre-if", "post", "post-if", "image", "pre-entrypoint", "entrypoint", "post-entrypoint", "args", "env"})
+		rule.checkInvalidRunsProps(pos, r, "Composite", meta.Name, path, []string{"main", "pre", "pre-if", "post", "post-if", "image", "pre-entrypoint", "entrypoint", "post-entrypoint", "args", "env"})
 		return
 	}
 
 	if !strings.HasPrefix(u, "node") {
-		rule.invalidRunnerName(pos, u, meta.Name, path)
+		rule.invalidRunsName(pos, u, meta.Name, path)
 		return
 	}
 
 	v, err := strconv.ParseUint(u[len("node"):], 10, 0)
 	if err != nil {
-		rule.invalidRunnerName(pos, u, meta.Name, path)
+		rule.invalidRunsName(pos, u, meta.Name, path)
 		return
 	}
 	if v < MinimumNodeRunnerVersion {
@@ -191,9 +187,9 @@ func (rule *RuleAction) checkLocalActionRunner(path string, meta *ActionMetadata
 		)
 	}
 	if r.Main == "" {
-		rule.missingRunnerProp(pos, "main", "JavaScript", meta.Name, path)
+		rule.missingRunsProp(pos, "main", "JavaScript", meta.Name, path)
 	}
-	rule.checkInvalidRunnerProps(pos, r, "JavaScript", meta.Name, path, []string{"steps", "image", "pre-entrypoint", "entrypoint", "post-entrypoint", "args", "env"})
+	rule.checkInvalidRunsProps(pos, r, "JavaScript", meta.Name, path, []string{"steps", "image", "pre-entrypoint", "entrypoint", "post-entrypoint", "args", "env"})
 }
 
 // https://docs.github.com/en/actions/learn-github-actions/workflow-syntax-for-github-actions#example-using-the-github-packages-container-registry
@@ -237,7 +233,7 @@ func (rule *RuleAction) checkLocalAction(path string, action *ExecAction) {
 
 	if !cached {
 		rule.Debug("Checking runner metadata of %s action %q at %q", meta.Runs, meta.Name, path)
-		rule.checkLocalActionRunner(path, meta, action.Uses.Pos)
+		rule.checkLocalActionRuns(path, meta, action.Uses.Pos)
 	}
 
 	rule.checkAction(meta, action, func(m *ActionMetadata) string {
diff --git a/testdata/projects/local_action_invalid_runners.out b/testdata/projects/local_action_invalid_runners.out
index 017021cb2..ce65f9431 100644
--- a/testdata/projects/local_action_invalid_runners.out
+++ b/testdata/projects/local_action_invalid_runners.out
@@ -1,4 +1,5 @@
 /workflows/test\.yaml:7:15: "node14" runner at "runs.using" is unavailable since the Node\.js version is too old \(14 < 16\) in local action "Old Node\.js" defined at "\./old_node"\. see https://.+ \[action\]/
-/workflows/test\.yaml:8:15: "runs\.using" is missing in local action "Missing runner name" defined at "\./missing_runner" \[action\]/
-/workflows/test\.yaml:9:15: invalid runner name "what-is-this-runner" at runs\.using in local action "Unknown runner name" defined at "\./unknown_runner"\. see https://.+ to know valid runner names \[action\]/
-/workflows/test\.yaml:10:15: invalid runner name "nodenext" at runs\.using in local action "Invalid node version" defined at "\./invalid_node_version"\. see https://.+ to know valid runner names \[action\]/
+workflows/test.yaml:8:15: "runs.using" is missing in local action "Missing runner name" defined at "./missing_runs" [action]
+workflows/test.yaml:9:15: "runs.using" is missing in local action "No using" defined at "./missing_using" [action]
+/workflows/test\.yaml:10:15: invalid runner name "what-is-this-runner" at runs\.using in local action "Unknown runner name" defined at "\./unknown_runner"\. see https://.+ to know valid runner names \[action\]/
+/workflows/test\.yaml:11:15: invalid runner name "nodenext" at runs\.using in local action "Invalid node version" defined at "\./invalid_node_version"\. see https://.+ to know valid runner names \[action\]/
diff --git a/testdata/projects/local_action_invalid_runners/missing_runner/action.yaml b/testdata/projects/local_action_invalid_runners/missing_runs/action.yaml
similarity index 100%
rename from testdata/projects/local_action_invalid_runners/missing_runner/action.yaml
rename to testdata/projects/local_action_invalid_runners/missing_runs/action.yaml
diff --git a/testdata/projects/local_action_invalid_runners/missing_using/action.yaml b/testdata/projects/local_action_invalid_runners/missing_using/action.yaml
new file mode 100644
index 000000000..38ee540bd
--- /dev/null
+++ b/testdata/projects/local_action_invalid_runners/missing_using/action.yaml
@@ -0,0 +1,5 @@
+name: 'No using'
+author: 'rhysd <https://rhysd.github.io>'
+description: '"using" is required'
+
+runs:
diff --git a/testdata/projects/local_action_invalid_runners/workflows/test.yaml b/testdata/projects/local_action_invalid_runners/workflows/test.yaml
index 0ee08a267..acd564a6b 100644
--- a/testdata/projects/local_action_invalid_runners/workflows/test.yaml
+++ b/testdata/projects/local_action_invalid_runners/workflows/test.yaml
@@ -5,11 +5,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: ./old_node
-      - uses: ./missing_runner
+      - uses: ./missing_runs
+      - uses: ./missing_using
       - uses: ./unknown_runner
       - uses: ./invalid_node_version
-      - uses: ./ok_node
-      - uses: ./ok_composite
-      - uses: ./ok_docker
-      # ...
+      # Check using same invalid action twice does not duplicate the errors
       - uses: ./old_node
diff --git a/testdata/projects/local_composite_action.out b/testdata/projects/local_composite_action.out
new file mode 100644
index 000000000..4fd48c1b8
--- /dev/null
+++ b/testdata/projects/local_composite_action.out
@@ -0,0 +1,12 @@
+workflows/test.yaml:8:15: "steps" is required in "runs" section because "Composite action" is a Composite action. the action is defined at "./missing_steps" [action]
+workflows/test.yaml:9:15: "main" is not allowed in "runs" section because "Composite action" is a Composite action. the action is defined at "./all_invalid_keys" [action]
+workflows/test.yaml:9:15: "pre" is not allowed in "runs" section because "Composite action" is a Composite action. the action is defined at "./all_invalid_keys" [action]
+workflows/test.yaml:9:15: "pre-if" is not allowed in "runs" section because "Composite action" is a Composite action. the action is defined at "./all_invalid_keys" [action]
+workflows/test.yaml:9:15: "post" is not allowed in "runs" section because "Composite action" is a Composite action. the action is defined at "./all_invalid_keys" [action]
+workflows/test.yaml:9:15: "post-if" is not allowed in "runs" section because "Composite action" is a Composite action. the action is defined at "./all_invalid_keys" [action]
+workflows/test.yaml:9:15: "image" is not allowed in "runs" section because "Composite action" is a Composite action. the action is defined at "./all_invalid_keys" [action]
+workflows/test.yaml:9:15: "pre-entrypoint" is not allowed in "runs" section because "Composite action" is a Composite action. the action is defined at "./all_invalid_keys" [action]
+workflows/test.yaml:9:15: "entrypoint" is not allowed in "runs" section because "Composite action" is a Composite action. the action is defined at "./all_invalid_keys" [action]
+workflows/test.yaml:9:15: "post-entrypoint" is not allowed in "runs" section because "Composite action" is a Composite action. the action is defined at "./all_invalid_keys" [action]
+workflows/test.yaml:9:15: "args" is not allowed in "runs" section because "Composite action" is a Composite action. the action is defined at "./all_invalid_keys" [action]
+workflows/test.yaml:9:15: "env" is not allowed in "runs" section because "Composite action" is a Composite action. the action is defined at "./all_invalid_keys" [action]
diff --git a/testdata/projects/local_composite_action/all_invalid_keys/action.yaml b/testdata/projects/local_composite_action/all_invalid_keys/action.yaml
new file mode 100644
index 000000000..13d2ded08
--- /dev/null
+++ b/testdata/projects/local_composite_action/all_invalid_keys/action.yaml
@@ -0,0 +1,20 @@
+name: 'Composite action'
+author: 'rhysd <https://rhysd.github.io>'
+description: 'Correct composite action'
+
+runs:
+  using: 'composite'
+  steps:
+    - run: echo hello
+  main: index.js
+  pre: pre.js
+  pre-if: true
+  post: post.js
+  post-if: true
+  image: 'docker://debian:stretch-slim'
+  pre-entrypoint: pre.sh
+  entrypoint: main.sh
+  post-entrypoint: post.sh
+  args: [foo, bar]
+  env:
+    FOO: BAR
diff --git a/testdata/projects/local_composite_action/missing_steps/action.yaml b/testdata/projects/local_composite_action/missing_steps/action.yaml
new file mode 100644
index 000000000..3362867f6
--- /dev/null
+++ b/testdata/projects/local_composite_action/missing_steps/action.yaml
@@ -0,0 +1,6 @@
+name: 'Composite action'
+author: 'rhysd <https://rhysd.github.io>'
+description: 'Correct composite action'
+
+runs:
+  using: 'composite'
diff --git a/testdata/projects/local_action_invalid_runners/ok_composite/action.yaml b/testdata/projects/local_composite_action/ok/action.yaml
similarity index 100%
rename from testdata/projects/local_action_invalid_runners/ok_composite/action.yaml
rename to testdata/projects/local_composite_action/ok/action.yaml
diff --git a/testdata/projects/local_composite_action/workflows/test.yaml b/testdata/projects/local_composite_action/workflows/test.yaml
new file mode 100644
index 000000000..7ee0be006
--- /dev/null
+++ b/testdata/projects/local_composite_action/workflows/test.yaml
@@ -0,0 +1,9 @@
+on: push
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: ./ok
+      - uses: ./missing_steps
+      - uses: ./all_invalid_keys
diff --git a/testdata/projects/local_docker_action.out b/testdata/projects/local_docker_action.out
new file mode 100644
index 000000000..f3bd84d1f
--- /dev/null
+++ b/testdata/projects/local_docker_action.out
@@ -0,0 +1,7 @@
+workflows/test.yaml:10:15: "image" is required in "runs" section because "Docker action" is a Docker action. the action is defined at "./missing_image" [action]
+workflows/test.yaml:11:15: "main" is not allowed in "runs" section because "Docker action" is a Docker action. the action is defined at "./all_invalid_keys" [action]
+workflows/test.yaml:11:15: "pre" is not allowed in "runs" section because "Docker action" is a Docker action. the action is defined at "./all_invalid_keys" [action]
+workflows/test.yaml:11:15: "pre-if" is not allowed in "runs" section because "Docker action" is a Docker action. the action is defined at "./all_invalid_keys" [action]
+workflows/test.yaml:11:15: "post" is not allowed in "runs" section because "Docker action" is a Docker action. the action is defined at "./all_invalid_keys" [action]
+workflows/test.yaml:11:15: "post-if" is not allowed in "runs" section because "Docker action" is a Docker action. the action is defined at "./all_invalid_keys" [action]
+workflows/test.yaml:11:15: "steps" is not allowed in "runs" section because "Docker action" is a Docker action. the action is defined at "./all_invalid_keys" [action]
diff --git a/testdata/projects/local_docker_action/all_invalid_keys/action.yaml b/testdata/projects/local_docker_action/all_invalid_keys/action.yaml
new file mode 100644
index 000000000..6e1cda985
--- /dev/null
+++ b/testdata/projects/local_docker_action/all_invalid_keys/action.yaml
@@ -0,0 +1,14 @@
+name: 'Docker action'
+author: 'rhysd <https://rhysd.github.io>'
+description: 'Correct Docker action'
+
+runs:
+  using: 'docker'
+  image: 'docker://debian:stretch-slim'
+  main: index.js
+  pre: pre.js
+  pre-if: true
+  post: post.js
+  post-if: true
+  steps:
+    - run: echo hello
diff --git a/testdata/projects/local_docker_action/missing_image/action.yaml b/testdata/projects/local_docker_action/missing_image/action.yaml
new file mode 100644
index 000000000..0e85394e1
--- /dev/null
+++ b/testdata/projects/local_docker_action/missing_image/action.yaml
@@ -0,0 +1,6 @@
+name: 'Docker action'
+author: 'rhysd <https://rhysd.github.io>'
+description: 'Correct Docker action'
+
+runs:
+  using: 'docker'
diff --git a/testdata/projects/local_action_invalid_runners/ok_docker/Dockerfile b/testdata/projects/local_docker_action/ok_all_keys/Dockerfile
similarity index 100%
rename from testdata/projects/local_action_invalid_runners/ok_docker/Dockerfile
rename to testdata/projects/local_docker_action/ok_all_keys/Dockerfile
diff --git a/testdata/projects/local_docker_action/ok_all_keys/action.yaml b/testdata/projects/local_docker_action/ok_all_keys/action.yaml
new file mode 100644
index 000000000..10e6e4b83
--- /dev/null
+++ b/testdata/projects/local_docker_action/ok_all_keys/action.yaml
@@ -0,0 +1,13 @@
+name: 'Docker action'
+author: 'rhysd <https://rhysd.github.io>'
+description: 'Correct Docker action'
+
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+  pre-entrypoint: pre.sh
+  entrypoint: main.sh
+  post-entrypoint: post.sh
+  args: [foo, bar]
+  env:
+    FOO: BAR
diff --git a/testdata/projects/local_docker_action/ok_dockerfile/Dockerfile b/testdata/projects/local_docker_action/ok_dockerfile/Dockerfile
new file mode 100644
index 000000000..b09b037ca
--- /dev/null
+++ b/testdata/projects/local_docker_action/ok_dockerfile/Dockerfile
@@ -0,0 +1 @@
+FROM alpine:latest
diff --git a/testdata/projects/local_action_invalid_runners/ok_docker/action.yaml b/testdata/projects/local_docker_action/ok_dockerfile/action.yaml
similarity index 100%
rename from testdata/projects/local_action_invalid_runners/ok_docker/action.yaml
rename to testdata/projects/local_docker_action/ok_dockerfile/action.yaml
diff --git a/testdata/projects/local_docker_action/ok_registry/action.yaml b/testdata/projects/local_docker_action/ok_registry/action.yaml
new file mode 100644
index 000000000..c225f069a
--- /dev/null
+++ b/testdata/projects/local_docker_action/ok_registry/action.yaml
@@ -0,0 +1,7 @@
+name: 'Docker action'
+author: 'rhysd <https://rhysd.github.io>'
+description: 'Correct Docker action'
+
+runs:
+  using: 'docker'
+  image: 'docker://debian:stretch-slim'
diff --git a/testdata/projects/local_docker_action/workflows/test.yaml b/testdata/projects/local_docker_action/workflows/test.yaml
new file mode 100644
index 000000000..52b21339b
--- /dev/null
+++ b/testdata/projects/local_docker_action/workflows/test.yaml
@@ -0,0 +1,11 @@
+on: push
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: ./ok_dockerfile
+      - uses: ./ok_registry
+      - uses: ./ok_all_keys
+      - uses: ./missing_image
+      - uses: ./all_invalid_keys
diff --git a/testdata/projects/local_javascript_action.out b/testdata/projects/local_javascript_action.out
new file mode 100644
index 000000000..46f264c28
--- /dev/null
+++ b/testdata/projects/local_javascript_action.out
@@ -0,0 +1,9 @@
+workflows/test.yaml:9:15: "main" is required in "runs" section because "JavaScript action" is a JavaScript action. the action is defined at "./missing_main" [action]
+workflows/test.yaml:9:15: "main" is required in "runs" section because "JavaScript action" is a JavaScript action. the action is defined at "./missing_main" [action]
+workflows/test.yaml:10:15: "steps" is not allowed in "runs" section because "Composite action" is a JavaScript action. the action is defined at "./all_invalid_keys" [action]
+workflows/test.yaml:10:15: "image" is not allowed in "runs" section because "Composite action" is a JavaScript action. the action is defined at "./all_invalid_keys" [action]
+workflows/test.yaml:10:15: "pre-entrypoint" is not allowed in "runs" section because "Composite action" is a JavaScript action. the action is defined at "./all_invalid_keys" [action]
+workflows/test.yaml:10:15: "entrypoint" is not allowed in "runs" section because "Composite action" is a JavaScript action. the action is defined at "./all_invalid_keys" [action]
+workflows/test.yaml:10:15: "post-entrypoint" is not allowed in "runs" section because "Composite action" is a JavaScript action. the action is defined at "./all_invalid_keys" [action]
+workflows/test.yaml:10:15: "args" is not allowed in "runs" section because "Composite action" is a JavaScript action. the action is defined at "./all_invalid_keys" [action]
+workflows/test.yaml:10:15: "env" is not allowed in "runs" section because "Composite action" is a JavaScript action. the action is defined at "./all_invalid_keys" [action]
diff --git a/testdata/projects/local_javascript_action/all_invalid_keys/action.yaml b/testdata/projects/local_javascript_action/all_invalid_keys/action.yaml
new file mode 100644
index 000000000..ce236c2f7
--- /dev/null
+++ b/testdata/projects/local_javascript_action/all_invalid_keys/action.yaml
@@ -0,0 +1,16 @@
+name: 'Composite action'
+author: 'rhysd <https://rhysd.github.io>'
+description: 'Correct composite action'
+
+runs:
+  using: node20
+  main: index.js
+  steps:
+    - run: echo hello
+  image: 'docker://debian:stretch-slim'
+  pre-entrypoint: pre.sh
+  entrypoint: main.sh
+  post-entrypoint: post.sh
+  args: [foo, bar]
+  env:
+    FOO: BAR
diff --git a/testdata/projects/local_action_invalid_runners/ok_node/index.js b/testdata/projects/local_javascript_action/all_invalid_keys/index.js
similarity index 100%
rename from testdata/projects/local_action_invalid_runners/ok_node/index.js
rename to testdata/projects/local_javascript_action/all_invalid_keys/index.js
diff --git a/testdata/projects/local_javascript_action/missing_main/action.yaml b/testdata/projects/local_javascript_action/missing_main/action.yaml
new file mode 100644
index 000000000..4a4399ba9
--- /dev/null
+++ b/testdata/projects/local_javascript_action/missing_main/action.yaml
@@ -0,0 +1,6 @@
+name: 'JavaScript action'
+author: 'rhysd <https://rhysd.github.io>'
+description: 'Correct JavaScript action'
+
+runs:
+  using: node20
diff --git a/testdata/projects/local_action_invalid_runners/ok_node/action.yaml b/testdata/projects/local_javascript_action/ok/action.yaml
similarity index 100%
rename from testdata/projects/local_action_invalid_runners/ok_node/action.yaml
rename to testdata/projects/local_javascript_action/ok/action.yaml
diff --git a/testdata/projects/local_javascript_action/ok/index.js b/testdata/projects/local_javascript_action/ok/index.js
new file mode 100644
index 000000000..8b1378917
--- /dev/null
+++ b/testdata/projects/local_javascript_action/ok/index.js
@@ -0,0 +1 @@
+
diff --git a/testdata/projects/local_javascript_action/ok_all_optional/action.yaml b/testdata/projects/local_javascript_action/ok_all_optional/action.yaml
new file mode 100644
index 000000000..13c867953
--- /dev/null
+++ b/testdata/projects/local_javascript_action/ok_all_optional/action.yaml
@@ -0,0 +1,11 @@
+name: 'JavaScript action'
+author: 'rhysd <https://rhysd.github.io>'
+description: 'Correct JavaScript action'
+
+runs:
+  using: node20
+  main: index.js
+  pre: pre.js
+  pre-if: true
+  post: pre.js
+  post-if: true
diff --git a/testdata/projects/local_javascript_action/ok_all_optional/index.js b/testdata/projects/local_javascript_action/ok_all_optional/index.js
new file mode 100644
index 000000000..8b1378917
--- /dev/null
+++ b/testdata/projects/local_javascript_action/ok_all_optional/index.js
@@ -0,0 +1 @@
+
diff --git a/testdata/projects/local_javascript_action/ok_all_optional/post.js b/testdata/projects/local_javascript_action/ok_all_optional/post.js
new file mode 100644
index 000000000..8b1378917
--- /dev/null
+++ b/testdata/projects/local_javascript_action/ok_all_optional/post.js
@@ -0,0 +1 @@
+
diff --git a/testdata/projects/local_javascript_action/ok_all_optional/pre.js b/testdata/projects/local_javascript_action/ok_all_optional/pre.js
new file mode 100644
index 000000000..8b1378917
--- /dev/null
+++ b/testdata/projects/local_javascript_action/ok_all_optional/pre.js
@@ -0,0 +1 @@
+
diff --git a/testdata/projects/local_javascript_action/workflows/test.yaml b/testdata/projects/local_javascript_action/workflows/test.yaml
new file mode 100644
index 000000000..f2f4036b2
--- /dev/null
+++ b/testdata/projects/local_javascript_action/workflows/test.yaml
@@ -0,0 +1,10 @@
+on: push
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: ./ok
+      - uses: ./ok_all_optional
+      - uses: ./missing_main
+      - uses: ./all_invalid_keys