feat: only add type of change in CHANGELOG when there is changed

pkg/changelog/markdown.go

@@ -70,14 +70,20 @@ func (g *MarkdownGenerator) getLines(commits []convention.Commit) []string {
 		}
 	}
 
-	lines = append(lines, g.composeTypeHeader(addedType))
-	lines = append(lines, addedLines...)
+	if len(addedLines) != 0 {
+		lines = append(lines, g.composeTypeHeader(addedType))
+		lines = append(lines, addedLines...)
+	}
 
-	lines = append(lines, g.composeTypeHeader(fixedType))
-	lines = append(lines, fixedLines...)
+	if len(fixedLines) != 0 {
+		lines = append(lines, g.composeTypeHeader(fixedType))
+		lines = append(lines, fixedLines...)
+	}
 
-	lines = append(lines, g.composeTypeHeader(othersType))
-	lines = append(lines, othersLines...)
+	if len(othersLines) != 0 {
+		lines = append(lines, g.composeTypeHeader(othersType))
+		lines = append(lines, othersLines...)
+	}
 
 	return lines
 }

pkg/changelog/testdata/TestMarkdownGeneratorGetLines/1_commit_feat.golden

@@ -2,7 +2,5 @@
   "# CHANGELOG",
   "## v1.0.0 (1-1-1)",
   "### Added",
-  "* feat: description",
-  "### Fixed",
-  "### Others"
+  "- feat: description"
 ]

pkg/changelog/testdata/TestMarkdownGeneratorGetLines/1_commit_fixed.golden

@@ -1,8 +1,6 @@
 [
   "# CHANGELOG",
   "## v1.0.0 (1-1-1)",
-  "### Added",
   "### Fixed",
-  "* fix: description",
-  "### Others"
+  "- fix: description"
 ]

pkg/changelog/testdata/TestMarkdownGeneratorGetLines/1_commit_other.golden

@@ -1,8 +1,6 @@
 [
   "# CHANGELOG",
   "## v1.0.0 (1-1-1)",
-  "### Added",
-  "### Fixed",
   "### Others",
-  "* ci: description"
+  "- ci: description"
 ]

pkg/changelog/testdata/TestMarkdownGeneratorGetLines/mixed.golden

@@ -2,10 +2,10 @@
   "# CHANGELOG",
   "## v1.0.0 (1-1-1)",
   "### Added",
-  "* feat: description feat",
+  "- feat: description feat",
   "### Fixed",
-  "* fix: description fix",
+  "- fix: description fix",
   "### Others",
-  "* ci: description ci",
-  "* build: description build"
+  "- ci: description ci",
+  "- build: description build"
 ]