Copy to clipboard fix

Author: slowcheetah

website/src/js/playground.js

@@ -186,7 +186,7 @@ function init() {
 
       return isPlain
         ? `{ ${ props.join(', ') } }`
-        : `${ value.constructor?.name || 'Object' } { ${ props.join(', ') } }`;
+        : `${ value.constructor?.name ?? 'Object' } { ${ props.join(', ') } }`;
     }
 
     return String(value);
@@ -210,22 +210,19 @@ function init() {
 
     const textArea = document.createElement('textarea');
     textArea.value = text;
-    textArea.style.position = 'fixed';
-    textArea.style.top = '0';
-    textArea.style.left = '0';
-    textArea.style.opacity = '0';
+    textArea.classList.add('copy-fallback');
     document.body.appendChild(textArea);
     textArea.focus();
     textArea.select();
 
     try {
       const successful = document.execCommand('copy');
       document.body.removeChild(textArea);
-      if (successful) return Promise.resolve();
-      return Promise.reject(new Error('Copy command was unsuccessful'));
+      if (successful) return true;
+      throw new Error('Copy command was unsuccessful');
     } catch (err) {
       document.body.removeChild(textArea);
-      return Promise.reject(err);
+      throw err;
     }
   }
 

website/src/scss/parts/playground.scss

@@ -220,3 +220,10 @@
     }
   }
 }
+
+.copy-fallback {
+  position: fixed;
+  top: 0;
+  left: 0;
+  opacity: 0;
+}