add inshellisense

README.md

@@ -19,6 +19,7 @@ Supported frameworks:
 - [cobra](https://github.com/spf13/cobra)
 - [complete](https://github.com/posener/complete)
 - [fish](https://fishshell.com/)
+- [inshellisense](https://github.com/microsoft/inshellisense)
 - [kingpin](https://github.com/alecthomas/kingpin)
 - [powershell](https://microsoft.com/powershell)
 - [urfavecli](https://github.com/urfave/cli)

cmd/carapace-bridge/cmd/root.go

@@ -47,6 +47,7 @@ func init() {
 	addSubCommand("cobra", "bridges https://github.com/spf13/cobra", bridge.ActionCobra)
 	addSubCommand("complete", "bridges https://github.com/posener/complete", bridge.ActionComplete)
 	addSubCommand("fish", "bridges completions registered in fish", bridge.ActionFish)
+	addSubCommand("inshellisense", "bridges https://github.com/microsoft/inshellisense", bridge.ActionInshellisense)
 	addSubCommand("kingpin", "bridges https://github.com/alecthomas/kingpin", bridge.ActionKingpin)
 	addSubCommand("powershell", "bridges completions registered in powershell", bridge.ActionPowershell)
 	addSubCommand("urfavecli", "bridges https://github.com/urfave/cli", bridge.ActionUrfavecli)

pkg/actions/bridge/inshellisense.go

@@ -0,0 +1,50 @@
+package bridge
+
+import (
+	"encoding/json"
+	"strings"
+
+	"github.com/rsteube/carapace"
+)
+
+// ActionInshellisense bridges https://github.com/microsoft/inshellisense
+func ActionInshellisense(command ...string) carapace.Action {
+	return carapace.ActionCallback(func(c carapace.Context) carapace.Action {
+		if len(command) == 0 {
+			return carapace.ActionMessage("missing argument [ActionInshellisense]")
+		}
+
+		args := append(command, c.Args...)
+		args = append(args, c.Value)
+		input := strings.Join(args, " ") // TODO simple join for now as the lexer in inshellisense can't handle quotes and spaces anyway
+		return carapace.ActionExecCommand("inshellisense", "complete", input)(func(output []byte) carapace.Action {
+			var r struct {
+				Suggestions []struct {
+					Name        string
+					Description string
+				}
+			}
+
+			if err := json.Unmarshal(output, &r); err != nil {
+				return carapace.ActionMessage(err.Error())
+			}
+
+			vals := make([]string, 0)
+			for _, s := range r.Suggestions {
+				if !strings.HasPrefix(c.Value, "-") && strings.HasPrefix(s.Name, "-") {
+					continue
+				}
+
+				if strings.HasPrefix(s.Name, c.Value) ||
+					(strings.HasPrefix(c.Value, "-") && strings.Contains(c.Value, "=")) {
+					vals = append(vals, s.Name, s.Description)
+				}
+			}
+			a := carapace.ActionValuesDescribed(vals...)
+			if strings.HasPrefix(c.Value, "-") && strings.Contains(c.Value, "=") {
+				a = a.Prefix(strings.SplitAfterN(c.Value, "=", 2)[0])
+			}
+			return a
+		})
+	})
+}