feat: render template context

parse.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"strings"
 
 	"gopkg.in/yaml.v3"
 )
@@ -14,3 +15,20 @@ func parseFrontmatter(input string) (meta TemplateMeta, err error) {
 	}
 	return
 }
+
+func parseDocument(doc string) (frontmatter string, body string, err error) {
+	doc = strings.TrimLeft(doc, " \n")
+	sep := "---\n"
+	if !strings.HasPrefix(doc, sep) {
+		err = fmt.Errorf("Invalid document: frontmatter required.\n%s", doc)
+		return
+	}
+	parts := strings.Split(doc, sep)
+	if len(parts) < 3 {
+		err = fmt.Errorf("Invalid document: frontmatter required.\n%s", doc)
+		return
+	}
+	frontmatter = parts[1]
+	body = parts[2]
+	return
+}