swc again for parse typescript and custom graphql

uses https://github.com/swc-project/swc-node

fixes #792

cannot use ts-node anymore because it doesn't provide an option for .swcrc
TypeStrong/ts-node#1856

TODO: depends on swc-project/swc#7358 to actually be used

TODO: remove swc-node in examples/simple

TODO: move .swcrc write in generate_ts_code.go into central location

examples/simple/package.json

@@ -38,6 +38,7 @@
     "@snowtop/ent-passport": "^0.1.0-alpha3",
     "@snowtop/ent-password": "^0.1.0-alpha1",
     "@snowtop/ent-phonenumber": "^0.1.0-alpha1",
+    "@swc-node/register": "^1.6.5",
     "@swc/core": "^1.3.56",
     "@types/express-session": "^1.17.3",
     "@types/graphql-upload": "^8.0.11",

internal/cmd/cmd.go

@@ -1,8 +1,10 @@
 package cmd
 
 import (
+	"os"
 	"path/filepath"
 
+	"github.com/lolopinto/ent/internal/testingutils"
 	"github.com/lolopinto/ent/internal/util"
 )
 
@@ -13,14 +15,83 @@ func GetTsconfigPaths() string {
 // initial args for ts-node-script
 // we need tsconfig.json referenced because of relative paths like src/ent/generated/types.ts
 func GetArgsForScript(rootPath string) []string {
+	return append(
+		getArgsForScriptBoth(rootPath),
+		"-r",
+		"@swc-node/register",
+	)
+}
+
+func GetArgsForScriptSwc(rootPath string) []string {
+	return append(
+		getArgsForScriptBoth(rootPath),
+		"-r",
+		GetTsconfigPaths(),
+	)
+}
+
+func getArgsForScriptBoth(rootPath string) []string {
 	return []string{
-		// this seems to let the errors pass through s opposed to giving compile error
+		// this seems to let the errors pass through as opposed to giving compile error
 		"--log-error", // TODO spend more time figuring this out
 		"--project",
 		// TODO this should find the tsconfig.json and not assume there's one at the root but fine for now
 		// same in generate_ts_code.go
 		filepath.Join(rootPath, "tsconfig.json"),
-		"-r",
-		GetTsconfigPaths(),
+		// "-r",
+		// GetTsconfigPaths(),
+	}
+}
+
+func UseSwc() bool {
+	return !util.EnvIsTrue("DISABLE_SWC")
+}
+
+// func GetCommand()
+
+type CommandInfo struct {
+	Name   string
+	Args   []string
+	Env    []string
+	UseSwc bool
+}
+
+func GetCommandInfo(dirPath string, fromTest bool) *CommandInfo {
+	var env []string
+	cmdName := "ts-node"
+	var cmdArgs []string
+	useSwc := false
+
+	if UseSwc() {
+		cmdArgs = append(
+			getArgsForScriptBoth(dirPath),
+			"-r", "@swc-node/register",
+		)
+
+		env = append(os.Environ(), "SWCRC=true")
+
+		useSwc = true
+	} else if fromTest {
+		// TODO if in swc do we need this?
+		cmdArgs = []string{
+			"--compiler-options",
+			testingutils.DefaultCompilerOptions(),
+		}
+	} else {
+		cmdName = "ts-node-script"
+
+		cmdArgs = GetArgsForScript(dirPath)
+	}
+
+	// append LOCAL_SCRIPT_PATH so we know. in typescript...
+	if util.EnvIsTrue("LOCAL_SCRIPT_PATH") {
+		env = append(env, "LOCAL_SCRIPT_PATH=true")
+	}
+
+	return &CommandInfo{
+		Name:   cmdName,
+		Args:   cmdArgs,
+		Env:    env,
+		UseSwc: useSwc,
 	}
 }