Add tailwind config for LSP support in templ files (#413)

Author: BlueBlizzardd

cmd/program/program.go

@@ -505,6 +505,18 @@ func (p *Project) CreateMainFile() error {
 			return err
 		}
 
+		htmxTailwindConfigJsFile, err := os.Create(fmt.Sprintf("%s/tailwind.config.js", projectPath))
+		if err != nil {
+			return err
+		}
+		defer htmxTailwindConfigJsFile.Close()
+
+		htmxTailwindConfigJsTemplate := advanced.HtmxTailwindConfigJsTemplate()
+		err = os.WriteFile(fmt.Sprintf("%s/tailwind.config.js", projectPath), htmxTailwindConfigJsTemplate, 0o644)
+		if err != nil {
+			return err
+		}
+
 		efsFile, err := os.Create(fmt.Sprintf("%s/%s/efs.go", projectPath, cmdWebPath))
 		if err != nil {
 			return err

cmd/template/advanced/files/htmx/tailwind/tailwind.config.js.tmpl

@@ -0,0 +1,5 @@
+module.exports = {
+	content: ["./**/*.html", "./**/*.templ", "./**/*.go",],
+	theme: { extend: {}, },
+	plugins: [],
+}

cmd/template/advanced/routes.go

@@ -28,6 +28,9 @@ var inputCssTemplate []byte
 //go:embed files/tailwind/output.css.tmpl
 var outputCssTemplate []byte
 
+//go:embed files/htmx/tailwind/tailwind.config.js.tmpl
+var htmxTailwindConfigJsTemplate []byte
+
 //go:embed files/htmx/htmx.min.js.tmpl
 var htmxMinJsTemplate []byte
 
@@ -140,6 +143,10 @@ func OutputCssTemplate() []byte {
 	return outputCssTemplate
 }
 
+func HtmxTailwindConfigJsTemplate() []byte {
+	return htmxTailwindConfigJsTemplate
+}
+
 func HtmxJSTemplate() []byte {
 	return htmxMinJsTemplate
 }