Ignore YAML frontmatter

utils/utils.go

@@ -0,0 +1,19 @@
+package utils
+
+import "regexp"
+
+func RemoveFrontmatter(content []byte) []byte {
+	if frontmatterBoundaries := detectFrontmatter(content); frontmatterBoundaries[0] == 0 {
+		return content[frontmatterBoundaries[1]:]
+	}
+	return content
+}
+
+var yamlPattern = regexp.MustCompile(`(?m)^---\r?\n(\s*\r?\n)?`)
+
+func detectFrontmatter(c []byte) []int {
+	if matches := yamlPattern.FindAllIndex(c, 2); len(matches) > 1 {
+		return []int{matches[0][0], matches[1][1]}
+	}
+	return []int{-1, -1}
+}