Upgrade ESMTK

index.js

@@ -8,7 +8,7 @@ function interpolate(template, tags = {}) {
     throw new TemplateException(template, tags, e);
   }
 }
-class TemplateException extends Error {
+var TemplateException = class extends Error {
   constructor(template, tags, message) {
     super();
     this.name = "TemplateError";
@@ -20,10 +20,10 @@ class TemplateException extends Error {
     msg += message;
     this.message = msg;
   }
-}
+};
 
 // src/wc-template.js
-class WCTemplate extends HTMLElement {
+var WCTemplate = class extends HTMLElement {
   static get observedAttributes() {
     return ["src", "context"];
   }
@@ -90,7 +90,7 @@ class WCTemplate extends HTMLElement {
   render() {
     this.innerHTML = interpolate(this.__template, this.__context);
   }
-}
+};
 customElements.define("wc-template", WCTemplate);
 export {
   WCTemplate

package.json

@@ -16,16 +16,16 @@
   "scripts": {
     "start": "npx live-server --no-browser --port=5500 --open=dev",
     "lint": "esmtk lint",
-    "build": "npm run bundle && npm run minify",
-    "bundle": "esmtk bundle src/wc-template.js index.js",
-    "minify": "esmtk minify src/wc-template.js index.min.js",
+    "build": "npm run build:esm && npm run build:min",
+    "build:esm": "esmtk bundle src/wc-template.js index.js",
+    "build:min": "esmtk minify src/wc-template.js index.min.js",
     "package": "npx rimraf package && npm pack | tail -n 1 | xargs tar -xf",
     "preversion": "npm run lint",
     "postversion": "git push --follow-tags"
   },
   "devDependencies": {
     "@vanillaes/interpolate": "^1.4.0",
-    "esmtk": "^0.4.0"
+    "esmtk": "^0.5.6"
   },
   "standard": {
     "ignore": [