Prepare for Goldmark

This commmit prepares for the addition of Goldmark as the new Markdown renderer in Hugo.

This introduces a new `markup` package with some common interfaces and each implementation in its own package.

See #5963

tpl/collections/collections_test.go

@@ -29,6 +29,7 @@ import (
 	"github.com/gohugoio/hugo/helpers"
 	"github.com/gohugoio/hugo/hugofs"
 	"github.com/gohugoio/hugo/langs"
+	"github.com/spf13/afero"
 	"github.com/spf13/viper"
 )
 
@@ -894,7 +895,7 @@ func ToTstXIs(slice interface{}) []TstXI {
 func newDeps(cfg config.Provider) *deps.Deps {
 	l := langs.NewLanguage("en", cfg)
 	l.Set("i18nDir", "i18n")
-	cs, err := helpers.NewContentSpec(l)
+	cs, err := helpers.NewContentSpec(l, loggers.NewErrorLogger(), afero.NewMemMapFs())
 	if err != nil {
 		panic(err)
 	}

tpl/data/resources_test.go

@@ -195,7 +195,7 @@ func newDeps(cfg config.Provider) *deps.Deps {
 	}
 	cfg.Set("allModules", modules.Modules{mod})
 
-	cs, err := helpers.NewContentSpec(cfg)
+	cs, err := helpers.NewContentSpec(cfg, loggers.NewErrorLogger(), afero.NewMemMapFs())
 	if err != nil {
 		panic(err)
 	}

tpl/transform/transform.go

@@ -97,19 +97,16 @@ func (ns *Namespace) Markdownify(s interface{}) (template.HTML, error) {
 		return "", err
 	}
 
-	m := ns.deps.ContentSpec.RenderBytes(
-		&helpers.RenderingContext{
-			Cfg:     ns.deps.Cfg,
-			Content: []byte(ss),
-			PageFmt: "markdown",
-			Config:  ns.deps.ContentSpec.BlackFriday,
-		},
-	)
+	b, err := ns.deps.ContentSpec.RenderMarkdown([]byte(ss))
+
+	if err != nil {
+		return "", err
+	}
 
 	// Strip if this is a short inline type of text.
-	m = ns.deps.ContentSpec.TrimShortHTML(m)
+	b = ns.deps.ContentSpec.TrimShortHTML(b)
 
-	return helpers.BytesToHTML(m), nil
+	return helpers.BytesToHTML(b), nil
 }
 
 // Plainify returns a copy of s with all HTML tags removed.

tpl/transform/transform_test.go

@@ -17,6 +17,9 @@ import (
 	"html/template"
 	"testing"
 
+	"github.com/gohugoio/hugo/common/loggers"
+	"github.com/spf13/afero"
+
 	qt "github.com/frankban/quicktest"
 	"github.com/gohugoio/hugo/config"
 	"github.com/gohugoio/hugo/deps"
@@ -239,7 +242,7 @@ func newDeps(cfg config.Provider) *deps.Deps {
 
 	l := langs.NewLanguage("en", cfg)
 
-	cs, err := helpers.NewContentSpec(l)
+	cs, err := helpers.NewContentSpec(l, loggers.NewErrorLogger(), afero.NewMemMapFs())
 	if err != nil {
 		panic(err)
 	}