Implement cli argument for file path, path validation, file type validation

internal/convert/mdToHtml.go

@@ -0,0 +1,22 @@
+package convert
+
+import (
+	"github.com/gomarkdown/markdown"
+	"github.com/gomarkdown/markdown/html"
+	"github.com/gomarkdown/markdown/parser"
+)
+
+// This function takes a Markdown document and returns an HTML document.
+func MdToHTML(md []byte) ([]byte, error) {
+	// create parser with extensions
+	extensions := parser.CommonExtensions | parser.AutoHeadingIDs | parser.NoEmptyLineBeforeBlock
+	p := parser.NewWithExtensions(extensions)
+	doc := p.Parse(md)
+
+	// build HTML renderer
+	htmlFlags := html.CommonFlags | html.HrefTargetBlank
+	opts := html.RendererOptions{Flags: htmlFlags}
+	renderer := html.NewRenderer(opts)
+
+	return markdown.Render(doc, renderer), nil
+}