all: embed CSS and index HTML template using memfs

Previously, with direct embed, every time we change the CSS or index
template, we need to restart the "ciigo serve" command.

Using memfs make us easy to update and see the changes directly, without
restarting the server.

1 files changed, 133 insertions, 0 deletions

diff --git a/testdata/goembed/default.go.exp b/testdata/goembed/default.go.exp
new file mode 100644
index 0000000..6f42697
--- /dev/null
+++ b/testdata/goembed/default.go.exp
@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// SPDX-FileCopyrightText: 2026 Shulhan <ms@kilabit.info>
+// Code generated by git.sr.ht/~shulhan/pakakeh.go/lib/memfs DO NOT EDIT.
+
+package mypackage
+
+import (
+	"git.sr.ht/~shulhan/pakakeh.go/lib/memfs"
+)
+
+func generate_testdata_in() *memfs.Node {
+	var node = &memfs.Node{
+		SysPath:     "testdata/in",
+		Path:        "/",
+		ContentType: "",
+		GenFuncName: "generate_testdata_in",
+	}
+	node.SetMode(0o20000000755)
+	node.SetName("/")
+	node.SetSize(0)
+	node.AddChild(_memfsIn_getNode(memfsIn, "/clu", generate_testdata_in_clu))
+	return node
+}
+
+func generate_testdata_in_clu() *memfs.Node {
+	var node = &memfs.Node{
+		SysPath:     "testdata/in/clu",
+		Path:        "/clu",
+		ContentType: "",
+		GenFuncName: "generate_testdata_in_clu",
+	}
+	node.SetMode(0o20000000755)
+	node.SetName("clu")
+	node.SetSize(0)
+	node.AddChild(_memfsIn_getNode(memfsIn, "/clu/de", generate_testdata_in_clu_de))
+	return node
+}
+
+func generate_testdata_in_clu_de() *memfs.Node {
+	var node = &memfs.Node{
+		SysPath:     "testdata/in/clu/de",
+		Path:        "/clu/de",
+		ContentType: "",
+		GenFuncName: "generate_testdata_in_clu_de",
+	}
+	node.SetMode(0o20000000755)
+	node.SetName("de")
+	node.SetSize(0)
+	node.AddChild(_memfsIn_getNode(memfsIn, "/clu/de/file.html", generate_testdata_in_clu_de_file_html))
+	node.AddChild(_memfsIn_getNode(memfsIn, "/clu/de/markdown.html", generate_testdata_in_clu_de_markdown_html))
+	return node
+}
+
+func generate_testdata_in_clu_de_file_html() *memfs.Node {
+	var node = &memfs.Node{
+		SysPath:     "testdata/in/clu/de/file.html",
+		Path:        "/clu/de/file.html",
+		ContentType: "text/html; charset=utf-8",
+		GenFuncName: "generate_testdata_in_clu_de_file_html",
+		Content:     []byte("\x0A\x0A\x3C\x21\x44\x4F\x43\x54\x59\x50\x45\x20\x68\x74\x6D\x6C\x3E\x0A\x3C\x68\x74\x6D\x6C\x3E\x0A\x20\x20\x3C\x68\x65\x61\x64\x3E\x0A\x20\x20\x20\x20\x3C\x6D\x65\x74\x61\x20\x68\x74\x74\x70\x2D\x65\x71\x75\x69\x76\x3D\x22\x43\x6F\x6E\x74\x65\x6E\x74\x2D\x54\x79\x70\x65\x22\x20\x63\x6F\x6E\x74\x65\x6E\x74\x3D\x22\x74\x65\x78\x74\x2F\x68\x74\x6D\x6C\x3B\x20\x63\x68\x61\x72\x73\x65\x74\x3D\x75\x74\x66\x2D\x38\x22\x3E\x0A\x20\x20\x20\x20\x3C\x6D\x65\x74\x61\x20\x6E\x61\x6D\x65\x3D\x22\x76\x69\x65\x77\x70\x6F\x72\x74\x22\x20\x63\x6F\x6E\x74\x65\x6E\x74\x3D\x22\x77\x69\x64\x74\x68\x3D\x64\x65\x76\x69\x63\x65\x2D\x77\x69\x64\x74\x68\x2C\x20\x69\x6E\x69\x74\x69\x61\x6C\x2D\x73\x63\x61\x6C\x65\x3D\x31\x22\x3E\x0A\x20\x20\x20\x20\x3C\x6D\x65\x74\x61\x20\x6E\x61\x6D\x65\x3D\x22\x74\x68\x65\x6D\x65\x2D\x63\x6F\x6C\x6F\x72\x22\x20\x63\x6F\x6E\x74\x65\x6E\x74\x3D\x22\x23\x33\x37\x35\x45\x41\x42\x22\x3E\x0A\x20\x20\x20\x20\x3C\x74\x69\x74\x6C\x65\x3E\x64\x75\x6D\x6D\x79\x3C\x2F\x74\x69\x74\x6C\x65\x3E\x0A\x20\x20\x20\x20\x3C\x73\x74\x79\x6C\x65\x3E\x0A\x20\x20\x20\x20\x62\x6F\x64\x79\x7B\x7D\x0A\x20\x20\x20\x20\x3C\x2F\x73\x74\x79\x6C\x65\x3E\x0A\x20\x20\x3C\x2F\x68\x65\x61\x64\x3E\x0A\x20\x20\x3C\x62\x6F\x64\x79\x3E\x0A\x20\x20\x20\x20\x3C\x64\x69\x76\x20\x63\x6C\x61\x73\x73\x3D\x22\x74\x6F\x70\x62\x61\x72\x22\x3E\x0A\x20\x20\x20\x20\x20\x20\x3C\x64\x69\x76\x20\x63\x6C\x61\x73\x73\x3D\x22\x63\x6F\x6E\x74\x61\x69\x6E\x65\x72\x22\x3E\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x3C\x64\x69\x76\x20\x63\x6C\x61\x73\x73\x3D\x22\x74\x6F\x70\x2D\x68\x65\x61\x64\x69\x6E\x67\x22\x3E\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x3C\x61\x20\x68\x72\x65\x66\x3D\x22\x2F\x22\x3E\x64\x75\x6D\x6D\x79\x3C\x2F\x61\x3E\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x3C\x2F\x64\x69\x76\x3E\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x3C\x64\x69\x76\x20\x63\x6C\x61\x73\x73\x3D\x22\x6D\x65\x6E\x75\x22\x3E\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x3C\x66\x6F\x72\x6D\x20\x63\x6C\x61\x73\x73\x3D\x22\x69\x74\x65\x6D\x22\x20\x61\x63\x74\x69\x6F\x6E\x3D\x22\x2F\x5F\x69\x6E\x74\x65\x72\x6E\x61\x6C\x2F\x73\x65\x61\x72\x63\x68\x22\x3E\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x3C\x69\x6E\x70\x75\x74\x20\x74\x79\x70\x65\x3D\x22\x74\x65\x78\x74\x22\x20\x6E\x61\x6D\x65\x3D\x22\x71\x22\x20\x70\x6C\x61\x63\x65\x68\x6F\x6C\x64\x65\x72\x3D\x22\x53\x65\x61\x72\x63\x68\x22\x20\x2F\x3E\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x3C\x2F\x66\x6F\x72\x6D\x3E\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x3C\x2F\x64\x69\x76\x3E\x0A\x20\x20\x20\x20\x20\x20\x3C\x2F\x64\x69\x76\x3E\x0A\x20\x20\x20\x20\x3C\x2F\x64\x69\x76\x3E\x0A\x20\x20\x20\x20\x3C\x64\x69\x76\x20\x63\x6C\x61\x73\x73\x3D\x22\x70\x61\x67\x65\x22\x3E\x0A\x20\x20\x20\x20\x20\x20\x3C\x64\x69\x76\x20\x63\x6C\x61\x73\x73\x3D\x22\x63\x6F\x6E\x74\x61\x69\x6E\x65\x72\x22\x3E\x0A\x3C\x64\x69\x76\x20\x69\x64\x3D\x22\x68\x65\x61\x64\x65\x72\x22\x3E\x0A\x3C\x68\x31\x3E\x64\x75\x6D\x6D\x79\x3C\x2F\x68\x31\x3E\x0A\x3C\x2F\x64\x69\x76\x3E\x0A\x3C\x64\x69\x76\x20\x69\x64\x3D\x22\x63\x6F\x6E\x74\x65\x6E\x74\x22\x3E\x0A\x3C\x2F\x64\x69\x76\x3E\x0A\x3C\x64\x69\x76\x20\x69\x64\x3D\x22\x66\x6F\x6F\x74\x65\x72\x22\x3E\x0A\x3C\x64\x69\x76\x20\x69\x64\x3D\x22\x66\x6F\x6F\x74\x65\x72\x2D\x74\x65\x78\x74\x22\x3E\x0A\x3C\x2F\x64\x69\x76\x3E\x0A\x3C\x2F\x64\x69\x76\x3E\x0A\x20\x20\x20\x20\x20\x20\x3C\x2F\x64\x69\x76\x3E\x0A\x20\x20\x20\x20\x3C\x2F\x64\x69\x76\x3E\x0A\x20\x20\x20\x20\x3C\x64\x69\x76\x20\x63\x6C\x61\x73\x73\x3D\x22\x66\x6F\x6F\x74\x65\x72\x22\x3E\x0A\x20\x20\x20\x20\x20\x20\x50\x6F\x77\x65\x72\x65\x64\x20\x62\x79\x20\x3C\x61\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x68\x72\x65\x66\x3D\x22\x68\x74\x74\x70\x73\x3A\x2F\x2F\x67\x69\x74\x2E\x73\x72\x2E\x68\x74\x2F\x7E\x73\x68\x75\x6C\x68\x61\x6E\x2F\x63\x69\x69\x67\x6F\x22\x0A\x20\x20\x20\x20\x20\x20\x3E\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x63\x69\x69\x67\x6F\x0A\x20\x20\x20\x20\x20\x20\x3C\x2F\x61\x3E\x0A\x20\x20\x20\x20\x3C\x2F\x64\x69\x76\x3E\x0A\x20\x20\x3C\x2F\x62\x6F\x64\x79\x3E\x0A\x3C\x2F\x68\x74\x6D\x6C\x3E\x0A\x0A"),
+	}
+	node.SetMode(0o644)
+	node.SetName("file.html")
+	node.SetSize(1002)
+	return node
+}
+
+func generate_testdata_in_clu_de_markdown_html() *memfs.Node {
+	var node = &memfs.Node{
+		SysPath:     "testdata/in/clu/de/markdown.html",
+		Path:        "/clu/de/markdown.html",
+		ContentType: "text/html; charset=utf-8",
+		GenFuncName: "generate_testdata_in_clu_de_markdown_html",
+		Content:     []byte("\x0A\x0A\x3C\x21\x44\x4F\x43\x54\x59\x50\x45\x20\x68\x74\x6D\x6C\x3E\x0A\x3C\x68\x74\x6D\x6C\x3E\x0A\x20\x20\x3C\x68\x65\x61\x64\x3E\x0A\x20\x20\x20\x20\x3C\x6D\x65\x74\x61\x20\x68\x74\x74\x70\x2D\x65\x71\x75\x69\x76\x3D\x22\x43\x6F\x6E\x74\x65\x6E\x74\x2D\x54\x79\x70\x65\x22\x20\x63\x6F\x6E\x74\x65\x6E\x74\x3D\x22\x74\x65\x78\x74\x2F\x68\x74\x6D\x6C\x3B\x20\x63\x68\x61\x72\x73\x65\x74\x3D\x75\x74\x66\x2D\x38\x22\x3E\x0A\x20\x20\x20\x20\x3C\x6D\x65\x74\x61\x20\x6E\x61\x6D\x65\x3D\x22\x76\x69\x65\x77\x70\x6F\x72\x74\x22\x20\x63\x6F\x6E\x74\x65\x6E\x74\x3D\x22\x77\x69\x64\x74\x68\x3D\x64\x65\x76\x69\x63\x65\x2D\x77\x69\x64\x74\x68\x2C\x20\x69\x6E\x69\x74\x69\x61\x6C\x2D\x73\x63\x61\x6C\x65\x3D\x31\x22\x3E\x0A\x20\x20\x20\x20\x3C\x6D\x65\x74\x61\x20\x6E\x61\x6D\x65\x3D\x22\x74\x68\x65\x6D\x65\x2D\x63\x6F\x6C\x6F\x72\x22\x20\x63\x6F\x6E\x74\x65\x6E\x74\x3D\x22\x23\x33\x37\x35\x45\x41\x42\x22\x3E\x0A\x20\x20\x20\x20\x3C\x74\x69\x74\x6C\x65\x3E\x3C\x2F\x74\x69\x74\x6C\x65\x3E\x0A\x20\x20\x20\x20\x3C\x73\x74\x79\x6C\x65\x3E\x0A\x20\x20\x20\x20\x62\x6F\x64\x79\x7B\x7D\x0A\x20\x20\x20\x20\x3C\x2F\x73\x74\x79\x6C\x65\x3E\x0A\x20\x20\x3C\x2F\x68\x65\x61\x64\x3E\x0A\x20\x20\x3C\x62\x6F\x64\x79\x3E\x0A\x20\x20\x20\x20\x3C\x64\x69\x76\x20\x63\x6C\x61\x73\x73\x3D\x22\x74\x6F\x70\x62\x61\x72\x22\x3E\x0A\x20\x20\x20\x20\x20\x20\x3C\x64\x69\x76\x20\x63\x6C\x61\x73\x73\x3D\x22\x63\x6F\x6E\x74\x61\x69\x6E\x65\x72\x22\x3E\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x3C\x64\x69\x76\x20\x63\x6C\x61\x73\x73\x3D\x22\x74\x6F\x70\x2D\x68\x65\x61\x64\x69\x6E\x67\x22\x3E\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x3C\x61\x20\x68\x72\x65\x66\x3D\x22\x2F\x22\x3E\x3C\x2F\x61\x3E\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x3C\x2F\x64\x69\x76\x3E\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x3C\x64\x69\x76\x20\x63\x6C\x61\x73\x73\x3D\x22\x6D\x65\x6E\x75\x22\x3E\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x3C\x66\x6F\x72\x6D\x20\x63\x6C\x61\x73\x73\x3D\x22\x69\x74\x65\x6D\x22\x20\x61\x63\x74\x69\x6F\x6E\x3D\x22\x2F\x5F\x69\x6E\x74\x65\x72\x6E\x61\x6C\x2F\x73\x65\x61\x72\x63\x68\x22\x3E\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x3C\x69\x6E\x70\x75\x74\x20\x74\x79\x70\x65\x3D\x22\x74\x65\x78\x74\x22\x20\x6E\x61\x6D\x65\x3D\x22\x71\x22\x20\x70\x6C\x61\x63\x65\x68\x6F\x6C\x64\x65\x72\x3D\x22\x53\x65\x61\x72\x63\x68\x22\x20\x2F\x3E\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x3C\x2F\x66\x6F\x72\x6D\x3E\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x3C\x2F\x64\x69\x76\x3E\x0A\x20\x20\x20\x20\x20\x20\x3C\x2F\x64\x69\x76\x3E\x0A\x20\x20\x20\x20\x3C\x2F\x64\x69\x76\x3E\x0A\x20\x20\x20\x20\x3C\x64\x69\x76\x20\x63\x6C\x61\x73\x73\x3D\x22\x70\x61\x67\x65\x22\x3E\x0A\x20\x20\x20\x20\x20\x20\x3C\x64\x69\x76\x20\x63\x6C\x61\x73\x73\x3D\x22\x63\x6F\x6E\x74\x61\x69\x6E\x65\x72\x22\x3E\x0A\x3C\x68\x31\x3E\x6D\x61\x72\x6B\x64\x6F\x77\x6E\x3C\x2F\x68\x31\x3E\x0A\x0A\x20\x20\x20\x20\x20\x20\x3C\x2F\x64\x69\x76\x3E\x0A\x20\x20\x20\x20\x3C\x2F\x64\x69\x76\x3E\x0A\x20\x20\x20\x20\x3C\x64\x69\x76\x20\x63\x6C\x61\x73\x73\x3D\x22\x66\x6F\x6F\x74\x65\x72\x22\x3E\x0A\x20\x20\x20\x20\x20\x20\x50\x6F\x77\x65\x72\x65\x64\x20\x62\x79\x20\x3C\x61\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x68\x72\x65\x66\x3D\x22\x68\x74\x74\x70\x73\x3A\x2F\x2F\x67\x69\x74\x2E\x73\x72\x2E\x68\x74\x2F\x7E\x73\x68\x75\x6C\x68\x61\x6E\x2F\x63\x69\x69\x67\x6F\x22\x0A\x20\x20\x20\x20\x20\x20\x3E\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x63\x69\x69\x67\x6F\x0A\x20\x20\x20\x20\x20\x20\x3C\x2F\x61\x3E\x0A\x20\x20\x20\x20\x3C\x2F\x64\x69\x76\x3E\x0A\x20\x20\x3C\x2F\x62\x6F\x64\x79\x3E\x0A\x3C\x2F\x68\x74\x6D\x6C\x3E\x0A\x0A"),
+	}
+	node.SetMode(0o644)
+	node.SetName("markdown.html")
+	node.SetSize(890)
+	return node
+}
+
+// _memfsIn_getNode is internal function to minimize duplicate node
+// created on Node.AddChild() and on generatedPathNode.Set().
+func _memfsIn_getNode(mfs *memfs.MemFS, path string, fn func() *memfs.Node) (node *memfs.Node) {
+	node = mfs.PathNodes.Get(path)
+	if node != nil {
+		return node
+	}
+	return fn()
+}
+
+func init() {
+	memfsIn = &memfs.MemFS{
+		PathNodes: memfs.NewPathNode(),
+		Opts: &memfs.Options{
+			Root:        "testdata/in",
+			MaxFileSize: 5242880,
+			Includes:    []string{
+			},
+			Excludes: []string{
+				`.*\.adoc$`,
+				`.*\.md$`,
+				`^\..*`,
+			},
+			Embed: memfs.EmbedOptions{
+				CommentHeader:  `// SPDX-License-Identifier: GPL-3.0-or-later
+// SPDX-FileCopyrightText: 2026 Shulhan <ms@kilabit.info>
+`,
+				PackageName:    "mypackage",
+				VarName:        "memfsIn",
+				GoFileName:     "testdata/goembed/default.go",
+				WithoutModTime: true,
+			},
+		},
+	}
+	memfsIn.PathNodes.Set("/",
+		_memfsIn_getNode(memfsIn, "/", generate_testdata_in))
+	memfsIn.PathNodes.Set("/clu",
+		_memfsIn_getNode(memfsIn, "/clu", generate_testdata_in_clu))
+	memfsIn.PathNodes.Set("/clu/de",
+		_memfsIn_getNode(memfsIn, "/clu/de", generate_testdata_in_clu_de))
+	memfsIn.PathNodes.Set("/clu/de/file.html",
+		_memfsIn_getNode(memfsIn, "/clu/de/file.html", generate_testdata_in_clu_de_file_html))
+	memfsIn.PathNodes.Set("/clu/de/markdown.html",
+		_memfsIn_getNode(memfsIn, "/clu/de/markdown.html", generate_testdata_in_clu_de_markdown_html))
+
+	memfsIn.Root = memfsIn.PathNodes.Get("/")
+
+	var err = memfsIn.Init()
+	if err != nil {
+		panic("memfsIn: " + err.Error())
+	}
+}