add test for index file being loades with posts func

Taskfile.yml

@@ -4,12 +4,12 @@ tasks:
   build: go build ./...
   format: gofmt -w .
   lint: golangci-lint run --fix --timeout "10m"
-  test: |
-    go test -cover -race ./...
-    go run ./... --source-path example/ --build-path ./build
+  test: go test -cover -race ./...
+  example: go run ./... --source-path example/ --build-path ./build
   default:
     cmds:
     - task: format
     - task: lint
     - task: build
-    - task: test
+    - task: test
+    - task: example

builder_suite_test.go

@@ -140,6 +140,8 @@ var _ = Describe("Builder", func() {
 				)
 			}
 
+			createFile("posts/index.md", `# IGNORE ME`)
+
 			createFile("index.md", `
 ---
 title: required
@@ -163,6 +165,7 @@ title: required
 			Expect(err).NotTo(HaveOccurred())
 
 			contents := readFile("index.html")
+			Expect(contents).ToNot(ContainSubstring(`IGNORE ME`))
 			Expect(contents).To(ContainSubstring(`<a href="/posts/10.html">some 10 title</a> 10`))
 			Expect(contents).To(ContainSubstring(`<a href="/posts/09.html">some 9 title</a>`))
 			Expect(contents).To(ContainSubstring(`<a href="/posts/08.html">some 8 title</a>`))

docs.go

@@ -21,7 +21,7 @@ func NewDocs(
 	}
 
 	matches = lo.Filter(matches, func(match string, _ int) bool {
-		return !strings.HasPrefix(match, "index.md")
+		return !strings.HasSuffix(match, "index.md")
 	})
 
 	sort.Strings(matches)

view_doc.go

@@ -31,7 +31,7 @@ func (d *ViewDoc) Basename() string {
 
 	return strings.Replace(
 		basename,
-		".md",
+		".html",
 		"",
 		1,
 	)