2 files changed, 63 insertions, 0 deletions
diff --git a/ki18n/ki18n.go b/ki18n/ki18n.go
new file mode 100644
index 0000000..f2bed8d
--- /dev/null
+++ b/ki18n/ki18n.go
@@ -0,0 +1,25 @@
+package ki18n
+
+import (
+	"io/fs"
+
+	"github.com/a-h/templ"
+	"github.com/kataras/i18n"
+)
+
+func Init(fs fs.FS) error {
+	loader, err := i18n.FS(fs, "*/*.yml")
+	if err != nil {
+		return err
+	}
+	inst, err := i18n.New(loader, "en-GB", "fr-FR")
+	if err != nil {
+		return err
+	}
+	i18n.Default = inst
+	return nil
+}
+
+func Tr(lang string, format string, args ...any) templ.Component {
+	return templ.Raw(i18n.Tr(lang, format, args...))
+}
diff --git a/ki18n/ki18n_test.go b/ki18n/ki18n_test.go
new file mode 100644
index 0000000..fc134fa
--- /dev/null
+++ b/ki18n/ki18n_test.go
@@ -0,0 +1,38 @@
+package ki18n
+
+import (
+	"bytes"
+	"context"
+	"testing"
+	"testing/fstest"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestSimpleText(t *testing.T) {
+	fs := fstest.MapFS{
+		"fr-FR/index.yml": &fstest.MapFile{
+			Data: []byte("\"Hello you\": \"Bonjour toi\""),
+		},
+	}
+	Init(fs)
+	c := Tr("fr-FR", "Hello you")
+	w := &bytes.Buffer{}
+	err := c.Render(context.Background(), w)
+	assert.NoError(t, err)
+	assert.Equal(t, "Bonjour toi", w.String())
+}
+
+func TestVariables(t *testing.T) {
+	fs := fstest.MapFS{
+		"fr-FR/index.yml": &fstest.MapFile{
+			Data: []byte("\"Hello %s\": \"Bonjour %s\""),
+		},
+	}
+	Init(fs)
+	c := Tr("fr-FR", "Hello %s", "John")
+	w := &bytes.Buffer{}
+	err := c.Render(context.Background(), w)
+	assert.NoError(t, err)
+	assert.Equal(t, "Bonjour John", w.String())
+}