dev

.sage/einrideeslint.go

@@ -0,0 +1,62 @@
+package main
+
+import (
+	"context"
+	"os"
+	"os/exec"
+	"path/filepath"
+
+	"go.einride.tech/sage/sg"
+	"go.einride.tech/sage/sgtool"
+)
+
+const (
+	name               = "eslint"
+	packageJSONContent = `{
+  "dependencies": {
+    "@einride/eslint-plugin": "4.2.0",
+    "eslint": "8.5.0"
+  }
+}`
+)
+
+func eslintCommand(ctx context.Context, args ...string) *exec.Cmd {
+	sg.Deps(ctx, prepareEslintCommand)
+	// eslint plugins should be resolved from the tool dir
+	defaultArgs := []string{
+		"--resolve-plugins-relative-to",
+		sg.FromToolsDir(name),
+	}
+	cmd := sg.Command(ctx, sg.FromBinDir(name), append(defaultArgs, args...)...)
+	return cmd
+}
+
+func prepareEslintCommand(ctx context.Context) error {
+	toolDir := sg.FromToolsDir(name)
+	binary := filepath.Join(toolDir, "node_modules", ".bin", name)
+	packageJSON := filepath.Join(toolDir, "package.json")
+	if err := os.MkdirAll(toolDir, 0o755); err != nil {
+		return err
+	}
+	if err := os.WriteFile(packageJSON, []byte(packageJSONContent), 0o600); err != nil {
+		return err
+	}
+	sg.Logger(ctx).Println("installing packages...")
+	if err := sg.Command(
+		ctx,
+		"npm",
+		"--silent",
+		"install",
+		"--prefix",
+		toolDir,
+		"--no-save",
+		"--no-audit",
+		"--ignore-script",
+	).Run(); err != nil {
+		return err
+	}
+	if _, err := sgtool.CreateSymlink(binary); err != nil {
+		return err
+	}
+	return nil
+}