minimize HTML

builder_suite_test.go

@@ -175,23 +175,23 @@ title: required
 
 			contents := readFile("index.html")
 			Eventually(contents).ShouldNot(gbytes.Say(`IGNORE ME`))
-			Eventually(contents).Should(gbytes.Say(`<a href="/posts/10.html">some 10 😂 title</a> 10`))
-			Eventually(contents).Should(gbytes.Say(`<a href="/posts/10-some-10-title.html">some 10 😂 title</a> 10`))
-			Eventually(contents).Should(gbytes.Say(`<a href="/posts/09.html">some 9 😂 title</a>`))
-			Eventually(contents).Should(gbytes.Say(`<a href="/posts/08.html">some 8 😂 title</a>`))
-			Eventually(contents).ShouldNot(gbytes.Say(`<a href="/posts/07.html">some 7 😂 title</a>`))
+			Eventually(contents).Should(gbytes.Say(`<a href=/posts/10.html>some 10 😂 title</a> 10`))
+			Eventually(contents).Should(gbytes.Say(`<a href=/posts/10-some-10-title.html>some 10 😂 title</a> 10`))
+			Eventually(contents).Should(gbytes.Say(`<a href=/posts/09.html>some 9 😂 title</a>`))
+			Eventually(contents).Should(gbytes.Say(`<a href=/posts/08.html>some 8 😂 title</a>`))
+			Eventually(contents).ShouldNot(gbytes.Say(`<a href=/posts/07.html>some 7 😂 title</a>`))
 
 			contents = readFile("index-all.html")
-			Eventually(contents).Should(gbytes.Say(`<a href="/posts/10.html">some 10 😂 title</a>`))
-			Eventually(contents).Should(gbytes.Say(`<a href="/posts/09.html">some 9 😂 title</a>`))
-			Eventually(contents).Should(gbytes.Say(`<a href="/posts/08.html">some 8 😂 title</a>`))
-			Eventually(contents).Should(gbytes.Say(`<a href="/posts/07.html">some 7 😂 title</a>`))
-			Eventually(contents).Should(gbytes.Say(`<a href="/posts/06.html">some 6 😂 title</a>`))
-			Eventually(contents).Should(gbytes.Say(`<a href="/posts/05.html">some 5 😂 title</a>`))
-			Eventually(contents).Should(gbytes.Say(`<a href="/posts/04.html">some 4 😂 title</a>`))
-			Eventually(contents).Should(gbytes.Say(`<a href="/posts/03.html">some 3 😂 title</a>`))
-			Eventually(contents).Should(gbytes.Say(`<a href="/posts/02.html">some 2 😂 title</a>`))
-			Eventually(contents).Should(gbytes.Say(`<a href="/posts/01.html">some 1 😂 title</a>`))
+			Eventually(contents).Should(gbytes.Say(`<a href=/posts/10.html>some 10 😂 title</a>`))
+			Eventually(contents).Should(gbytes.Say(`<a href=/posts/09.html>some 9 😂 title</a>`))
+			Eventually(contents).Should(gbytes.Say(`<a href=/posts/08.html>some 8 😂 title</a>`))
+			Eventually(contents).Should(gbytes.Say(`<a href=/posts/07.html>some 7 😂 title</a>`))
+			Eventually(contents).Should(gbytes.Say(`<a href=/posts/06.html>some 6 😂 title</a>`))
+			Eventually(contents).Should(gbytes.Say(`<a href=/posts/05.html>some 5 😂 title</a>`))
+			Eventually(contents).Should(gbytes.Say(`<a href=/posts/04.html>some 4 😂 title</a>`))
+			Eventually(contents).Should(gbytes.Say(`<a href=/posts/03.html>some 3 😂 title</a>`))
+			Eventually(contents).Should(gbytes.Say(`<a href=/posts/02.html>some 2 😂 title</a>`))
+			Eventually(contents).Should(gbytes.Say(`<a href=/posts/01.html>some 1 😂 title</a>`))
 		})
 	})
 
@@ -235,7 +235,7 @@ title: required
 
 			buffer := gbytes.BufferWithBytes(contents)
 
-			Eventually(buffer).Should(gbytes.Say(`<h2 id="h2-heading">h2 Heading</h2>`))
+			Eventually(buffer).Should(gbytes.Say(`<h2 id=h2-heading>h2 Heading</h2>`))
 		})
 	})
 })

go.mod

@@ -13,6 +13,7 @@ require (
 	github.com/onsi/gomega v1.27.10
 	github.com/otiai10/copy v1.12.0
 	github.com/samber/lo v1.38.1
+	github.com/tdewolff/minify v2.3.6+incompatible
 	github.com/yuin/goldmark v1.5.6
 	github.com/yuin/goldmark-emoji v1.0.2
 	github.com/yuin/goldmark-highlighting v0.0.0-20220208100518-594be1970594
@@ -34,6 +35,8 @@ require (
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.19 // indirect
 	github.com/stretchr/testify v1.8.2 // indirect
+	github.com/tdewolff/parse v2.3.4+incompatible // indirect
+	github.com/tdewolff/test v1.0.9 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasttemplate v1.2.2 // indirect
 	golang.org/x/crypto v0.12.0 // indirect

go.sum

@@ -66,6 +66,12 @@ github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.2 h1:+h33VjcLVPDHtOdpUCuF+7gSuG3yGIftsP1YvFihtJ8=
 github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+github.com/tdewolff/minify v2.3.6+incompatible h1:2hw5/9ZvxhWLvBUnHE06gElGYz+Jv9R4Eys0XUzItYo=
+github.com/tdewolff/minify v2.3.6+incompatible/go.mod h1:9Ov578KJUmAWpS6NeZwRZyT56Uf6o3Mcz9CEsg8USYs=
+github.com/tdewolff/parse v2.3.4+incompatible h1:x05/cnGwIMf4ceLuDMBOdQ1qGniMoxpP46ghf0Qzh38=
+github.com/tdewolff/parse v2.3.4+incompatible/go.mod h1:8oBwCsVmUkgHO8M5iCzSIDtpzXOT0WXX9cWhz+bIzJQ=
+github.com/tdewolff/test v1.0.9 h1:SswqJCmeN4B+9gEAi/5uqT0qpi1y2/2O47V/1hhGZT0=
+github.com/tdewolff/test v1.0.9/go.mod h1:6DAvZliBAAnD7rhVgwaM7DE5/d9NMOAJ09SqYqeK4QE=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
 github.com/valyala/fasttemplate v1.2.1/go.mod h1:KHLXt3tVN2HBp8eijSv/kGJopbvo7S+qRAEEKiv+SiQ=

render.go

@@ -12,6 +12,8 @@ import (
 	"github.com/gosimple/slug"
 	cp "github.com/otiai10/copy"
 	"github.com/samber/lo"
+	"github.com/tdewolff/minify"
+	mHTML "github.com/tdewolff/minify/html"
 	"github.com/yuin/goldmark"
 	emoji "github.com/yuin/goldmark-emoji"
 	highlighting "github.com/yuin/goldmark-highlighting"
@@ -209,8 +211,15 @@ func writeHTMLFiles(filenames []string, contents string) error {
 		return fmt.Errorf("could not create path (%s): %w", dirPath, err)
 	}
 
+	writer := &strings.Builder{}
+
+	err = mHTML.Minify(&minify.M{}, writer, strings.NewReader(contents), nil)
+	if err != nil {
+		return fmt.Errorf("could not minify: %w", err)
+	}
+
 	for _, filename := range filenames {
-		err = os.WriteFile(filename, []byte(contents), os.ModePerm)
+		err = os.WriteFile(filename, []byte(writer.String()), os.ModePerm)
 		if err != nil {
 			return fmt.Errorf("could not write path (%s): %w", filename, err)
 		}