allow empty outputs

.github/workflows/ci.yml

@@ -0,0 +1,17 @@
+name: ci
+
+on:
+  - push
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - run: make test
+      - name: automerge
+        uses: mhristof/github-action-automerge@v1.0.1
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+

action/main.go

@@ -48,21 +48,24 @@ var md = `# {{ .Name }}
 
 {{ .Description }}
 
+{{ if .Inputs -}}
 ## Inputs
 
 | Name | Description | Default | Required |
 | ---- | ----------- | ------- | -------- |
 {{ range $key, $value  := .Inputs -}}
 | {{ $key }} | {{$value.Description}} | {{$value.Default }} | {{ $value.Required }}|
 {{ end }}
-
+{{ end -}}
+{{ if .Outputs -}}
 ## Outputs
 
 | Name | Description |
 | ---- | ----------- |
 {{ range $key, $value  := .Outputs -}}
 | {{ $key }} | {{$value.Description}} |
-{{ end }}`
+{{ end }}
+{{ end -}}`
 
 func (c *Config) Markdown() string {
 	tmpl, err := template.New("markdown").Parse(md)

action/main_test.go

@@ -69,12 +69,59 @@ func TestMarkdown(t *testing.T) {
 				| ---- | ----------- | ------- | -------- |
 				| who-to-greet | Who to greet | World | true|
 
+				## Outputs
+
+				| Name | Description |
+				| ---- | ----------- |
+				| random-number | Random number |
+
+			`),
+		},
+		{
+			name: "no outputs",
+			yaml: heredoc.Doc(`
+				name: 'Hello World'
+				description: 'Greet someone'
+				inputs:
+				  who-to-greet:  # id of input
+				    description: 'Who to greet'
+				    required: true
+				    default: 'World'
+			`),
+			expected: heredoc.Doc(`
+				# Hello World
+
+				Greet someone
+
+				## Inputs
 
+				| Name | Description | Default | Required |
+				| ---- | ----------- | ------- | -------- |
+				| who-to-greet | Who to greet | World | true|
+
+			`),
+		},
+		{
+			name: "no inputs",
+			yaml: heredoc.Doc(`
+				name: 'Hello World'
+				description: 'Greet someone'
+				outputs:
+				  random-number: 
+				    description: "Random number"
+				    value: ${{ steps.random-number-generator.outputs.random-id }}
+			`),
+			expected: heredoc.Doc(`
+				# Hello World
+
+				Greet someone
+
 				## Outputs
 
 				| Name | Description |
 				| ---- | ----------- |
 				| random-number | Random number |
+
 			`),
 		},
 	}

go.mod

@@ -1,14 +1,13 @@
 module github.com/mhristof/githubactions-docs
 
-go 1.14
+go 1.16
 
 require (
 	github.com/MakeNowJust/heredoc v1.0.0
-	github.com/atsushinee/go-markdown-generator v0.0.0-20191121114853-83f9e1f68504
 	github.com/mhristof/go-update v0.1.0
 	github.com/riywo/#shell v0.0.0-20200815045211-7d26008be1ab
-	github.com/sirupsen/logrus v1.5.0
-	github.com/spf13/cobra v1.0.0
-	github.com/stretchr/testify v1.5.1
-	gopkg.in/yaml.v2 v2.2.8
+	github.com/sirupsen/logrus v1.8.1
+	github.com/spf13/cobra v1.1.3
+	github.com/stretchr/testify v1.7.0
+	gopkg.in/yaml.v2 v2.4.0
 )