add typst export

.vscode/launch.json

@@ -13,7 +13,7 @@
             "request": "launch",
             "mode": "auto",
             "program": "${workspaceFolder}/cmd/main.go",
-            "args": [ ".."]
+            "args": [ "."]
         }
     ]
 }

cmd/main.go

@@ -17,6 +17,7 @@ func main() {
 	hiddenFiles := flag.Bool("h", false, "show hidden files")
 	delemitter := flag.String("d", DELEMITTER, "delemitter to use to split files when not in markdown mode must contain %s for filename")
 	markdown := flag.Bool("m", false, "markdown mode, outputs files in markdown")
+	typst := flag.Bool("t", false, "typst mode, outputs files in typst")
 	flag.Parse()
 
 	cats, err := cat.Path(flag.Args()...)
@@ -42,6 +43,8 @@ func main() {
 	var out string
 	if *markdown {
 		out = cats.ToMarkdown()
+	} else if *typst {
+		out = cats.ToTypst()
 	} else {
 		out = cats.ToString(*delemitter)
 	}

pkg/cat/cater.go

@@ -3,14 +3,13 @@ package cat
 import (
 	"fmt"
 	"os"
-	"slices"
 	"strings"
 )
 
-type Cater map[string]string
+type Cater []entry
 
 func Path(paths ...string) (c Cater, err error) {
-	c = make(Cater)
+	c = make(Cater, 0, 10)
 	var p os.FileInfo
 
 	for _, path := range paths {
@@ -18,28 +17,29 @@ func Path(paths ...string) (c Cater, err error) {
 		if err != nil {
 			return
 		}
-
+		var e entry
 		if p.IsDir() {
-			err = c.dir(path)
+			e, err = c.dir(path)
 		} else {
-			err = c.file(path)
+			e, err = c.file(path)
 		}
 		if err != nil {
 			return
 		}
+		c = append(c, e)
 	}
 
 	return
 }
 
 func (c Cater) Ignored(ignore ignorer) Cater {
-	cat := make(Cater)
-
-	for name, content := range c {
-		if ignore.Ignore(name) {
-			continue
+	cat := make(Cater, 0, len(c))
+	ok := func(e entry) bool {
+		return !ignore.Ignore(e.fqname)
 	}
-		cat[name] = content
+
+	for _, entry := range c {
+		cat = append(cat, entry.filter(ok))
 	}
 
 	return cat
@@ -48,16 +48,20 @@ func (c Cater) Ignored(ignore ignorer) Cater {
 func (c Cater) ToString(delemiter string) string {
 	var sb strings.Builder
 
-	names := make([]string, 0, len(c))
-	for name := range c {
-		names = append(names, name)
+	var entries []entry
+	entries = c
+
+	for len(entries) > 0 {
+		n := make([]entry, 0, len(entries))
+		for _, e := range entries {
+			if len(e.children) > 0 {
+				n = append(n, e.children...)
+				continue
 			}
-
-	slices.Sort(names)
-
-	for _, name := range names {
-		sb.WriteString(fmt.Sprintf(delemiter, name))
-		sb.WriteString(c[name])
+			sb.WriteString(fmt.Sprintf(delemiter, e.fqname))
+			sb.WriteString(e.content)
+		}
+		entries = n
 	}
 
 	return sb.String()
@@ -66,24 +70,67 @@ func (c Cater) ToString(delemiter string) string {
 func (c Cater) ToMarkdown() string {
 	var sb strings.Builder
 
-	names := make([]string, 0, len(c))
-	for name := range c {
-		names = append(names, name)
-	}
-
-	slices.Sort(names)
-
-	for _, name := range names {
-		// write header
-		for range strings.Count(name, "/") + 1 {
+	write := func(e entry, lvl int) {
+		for range lvl {
 			sb.WriteString("#")
 		}
-		sb.WriteString(fmt.Sprintf(" %s\n\n", name))
+		sb.WriteString(fmt.Sprintf(" %s (`%s`)\n", e.name, e.fqname))
 
-		splited := strings.Split(name, ".")
+		if len(e.content) > 0 {
+			prts := strings.Split(e.name, ".")
+			sb.WriteString(
+				fmt.Sprintf(
+					"```%s\n%s\n```\n\n",
 
-		// write content
-		sb.WriteString(fmt.Sprintf("``` %s\n%s\n```\n\n", splited[len(splited)-1], c[name]))
+					prts[len(prts)-1],
+					strings.ReplaceAll(
+						e.content,
+						"```",
+						"\\`\\`\\`",
+					),
+				),
+			)
+		}
+	}
+
+	for _, e := range c {
+		e.traverse(1, write)
+	}
+
+	return sb.String()
+}
+
+func (c Cater) ToTypst() string {
+	var sb strings.Builder
+
+	write := func(e entry, lvl int) {
+		for range lvl {
+			sb.WriteString("=")
+		}
+		sb.WriteString(fmt.Sprintf(" %s (`%s`)\n", e.name, e.fqname))
+
+		if len(e.content) > 0 {
+			prts := strings.Split(e.name, ".")
+			sb.WriteString(
+				fmt.Sprintf(
+					"```%s\n%s\n```\n\n",
+
+					prts[len(prts)-1],
+					strings.ReplaceAll(
+						e.content,
+						"```",
+						"\\`\\`\\`",
+					),
+				),
+			)
+		}
+	}
+
+	for _, e := range c {
+
+		sb.WriteString("= Export\n")
+		sb.WriteString("#outline()\n")
+		e.traverse(1, write)
 	}
 
 	return sb.String()

pkg/cat/entry.go

@@ -0,0 +1,32 @@
+package cat
+
+type entry struct {
+	name     string
+	fqname   string
+	content  string
+	children []entry
+}
+
+func (e entry) filter(ok func(e entry) bool) entry {
+	children := make([]entry, 0, len(e.children))
+	for _, entry := range e.children {
+		if !ok(entry) {
+			continue
+		}
+		children = append(children, entry.filter(ok))
+	}
+
+	return entry{
+		name:     e.name,
+		fqname:   e.fqname,
+		content:  e.content,
+		children: children,
+	}
+}
+
+func (e entry) traverse(lvl int, do func(e entry, lvl int)) {
+	do(e, lvl)
+	for _, entry := range e.children {
+		entry.traverse(lvl+1, do)
+	}
+}

pkg/cat/internal.go

@@ -8,32 +8,41 @@ import (
 	"strings"
 )
 
-func (c Cater) dir(dir string) error {
+func (c Cater) dir(dir string) (e entry, err error) {
 	files, err := os.ReadDir(dir)
 	if err != nil {
-		return err
+		return
 	}
 
+	e.fqname = dir
+	e.name = name(dir)
+	e.children = []entry{}
+
 	for _, file := range files {
 		i, err := file.Info()
 		if err != nil {
-			continue
+			return e, err
 		}
 		path := path.Join(dir, i.Name())
 
+		var ent entry
 		if !file.IsDir() {
-			c.file(path)
+			ent, err = c.file(path)
 		} else {
-			c.dir(path)
+			ent, err = c.dir(path)
 		}
+		if err != nil {
+			return e, err
 		}
-	return nil
+		e.children = append(e.children, ent)
+	}
+	return
 }
 
-func (c Cater) file(filePath string) error {
+func (c Cater) file(filePath string) (e entry, err error) {
 	file, err := os.Open(filePath)
 	if err != nil {
-		return err
+		return
 	}
 	defer file.Close()
 
@@ -44,7 +53,7 @@ func (c Cater) file(filePath string) error {
 	for {
 		line, err := reader.ReadString('\n')
 		if err != nil && err != io.EOF {
-			return err
+			return e, err
 		}
 		sb.WriteString(line)
 		if err == io.EOF {
@@ -52,7 +61,15 @@ func (c Cater) file(filePath string) error {
 		}
 	}
 
-	c[filePath] = sb.String()
+	e.fqname = filePath
+	e.name = name(filePath)
+	e.content = sb.String()
+	e.children = []entry{}
 
-	return nil
+	return
+}
+
+func name(name string) string {
+	ps := strings.Split(name, "/")
+	return ps[len(ps)-1]
 }

pkg/ignore/filesystem.go

@@ -1,9 +1,12 @@
 package ignore
 
-import "strings"
+import (
+	"strings"
+)
 
 type Filesystem struct{}
 
 func (f Filesystem) Ignore(name string) bool {
-	return strings.Contains(name, "/.") || strings.HasPrefix(name, ".")
+	parts := strings.Split(name, "/")
+	return strings.HasPrefix(parts[len(parts)-1], ".")
 }