Fix some issues with <script type="module">

- Only move the JS if `import` is in the JS
- Fix issue with moving the JS when there was no HTML

Author: Chasen Le Hara

index.js

@@ -118,10 +118,11 @@ module.exports = function() {
                 }
                 if(data.html) {
                     data.html = data.html.trim();
-                    if (data.js) {
-                      data.html += "\n\n<script type=\"module\">\n" + data.js + "\n</script>";
-                      data.js = "";
-                    }
+                }
+                if (data.js && data.js.indexOf('import') > -1) {
+                    var jsAsModule = "<script type=\"module\">\n" + data.js + "\n</script>";
+                    data.html = data.html ? data.html + "\n\n" + jsAsModule : jsAsModule;
+                    data.js = "";
                 }
                 if(data) {
                     cleanCodePenData(data);

test.js

@@ -67,7 +67,8 @@ describe("bit-docs-html-codepen-link", function() {
 						css: 'my-app {color: "green";}'
 					},
 					{
-						js: 'import {DefineMap} from "//unpkg.com/can@^5.0.0-pre.1/core.mjs";\nconsole.log( myCounter.count ) //-> 1',
+						html: '<script type="module">\nimport {DefineMap} from "//unpkg.com/can@^5.0.0-pre.1/core.mjs";\nconsole.log( myCounter.count ) //-> 1\n</script>',
+						js: '',
 						js_module: true,
 						editors: '0011'
 					}