@mtime()

src/template.mjs

@@ -80,6 +80,8 @@ export default class {
           .replace(/@js/g, "`);") // inject bare javascript
           .replace(/@endjs/g, ";__html.push(`")
 
+          .replace(/@mtime\((.*?)\)/g, `\`);__html.push(this.getMtime('$1'));__html.push(\``)
+
           .replace(/@include\((.*?)\)/g, (_, inc) => this.render(inc, data)) // include template
 
           .replace(/@for\((.*?)\)$/gm, `\`);for($1){__html.push(\``)
@@ -96,7 +98,8 @@ export default class {
 
       return (new Function("_data", code)).bind({
         escape: this.escape,
-        forEach: this.forEach
+        forEach: this.forEach,
+        getMtime: this.getMtime
       })(data);
     } catch(err) {
       console.log(file, err.message);
@@ -124,4 +127,13 @@ export default class {
     else
       throw new Error(`${o} is not a iterable object`);
   };
+
+  getMtime(file) {
+    try {
+      return +(fs.statSync(path.normalize(process.cwd() + file)).mtimeMs + '').split(".")[0];
+    } catch(err) {
+      console.log(err);
+      return 0;
+    }
+  }
 };