creates importmap, sample app and deno.json files

Author: scriptmaster

.gitignore

@@ -2,3 +2,4 @@ tmp
 bin
 pkg
 obj
+.vscode

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "deno.enable": true
+}

Makefile

@@ -0,0 +1,10 @@
+all: demo
+
+demo: build
+	emerald-esbuild
+
+build:
+	go build -ldflags "-s -w" -o /usr/local/bin/emerald-esbuild .
+
+run:
+	go run .

app/main.tsx

@@ -0,0 +1,9 @@
+import Alpine from "alpinejs";
+
+// const Alpine = window.Alpine;
+
+/// --- DEFINE ALL OUR COMPONENTS AND PAGES ---
+Alpine.data('content', () => ({}));
+
+/// START ALPINE
+Alpine.start();

deno.json

@@ -0,0 +1 @@
+importmap.json

dist/main.js

@@ -16,8 +16,22 @@ import (
 func BuildApp() {
 	var dir = "app"
 	if _, err := os.Stat(dir); os.IsNotExist(err) {
-		fmt.Println("Skipping esbuild")
-		return
+		fmt.Println("No app dir, creating...")
+		WriteApp()
+	}
+	if _, err := os.Stat(dir + "main.tsx"); os.IsNotExist(err) {
+		fmt.Println("No app main.tsx, creating...")
+		WriteApp()
+	}
+	if _, err := os.Stat("./importmap.json"); os.IsNotExist(err) {
+		fmt.Println("Cannot find importmap.json, creating...")
+		WriteImportMap("./importmap.json")
+	}
+	if _, err := os.Stat("./deno.json"); os.IsNotExist(err) {
+		fmt.Println("Cannot find deno.json, linking...")
+		if err = os.Symlink("importmap.json", "deno.json"); err != nil {
+			WriteImportMap("./deno.json")
+		}
 	}
 	fmt.Println("Bundling with esbuild...")
 	result := api.Build(api.BuildOptions{

esbuild/esbuild.go

@@ -0,0 +1,37 @@
+package esbuild
+
+import (
+	"fmt"
+	"os"
+)
+
+func WriteImportMap(filepath string) error {
+	return os.WriteFile(filepath, []byte(`{
+	"imports": {
+		"alpinejs": "https://esm.sh/alpinejs",
+		"react": "https://esm.sh/react",
+		"react-dom": "https://esm.sh/react-dom",
+		"moment": "https://esm.sh/moment"
+	}
+}`), os.FileMode(int(0777)))
+}
+
+func WriteApp() {
+	if err := os.MkdirAll("./app", os.FileMode(int(0777))); err != nil {
+		fmt.Println("error: ", err)
+	}
+	err := os.WriteFile("./app/main.tsx", []byte(`import Alpine from "alpinejs";
+
+// const Alpine = window.Alpine;
+
+/// --- DEFINE ALL OUR COMPONENTS AND PAGES ---
+Alpine.data('content', () => ({}));
+
+/// START ALPINE
+Alpine.start();
+`), os.FileMode(int(0777)))
+
+	if err != nil {
+		fmt.Println("error: ", err)
+	}
+}

esbuild/write_files.go

@@ -0,0 +1,7 @@
+{
+  "imports": {
+    "react": "https://esm.sh/react",
+    "react-dom": "https://esm.sh/react-dom",
+    "alpinejs": "https://esm.sh/alpinejs"
+  }
+}