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feat(utils): add DOM utilities #22

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maitamdev merged 1 commit into from
Mar 4, 2026
Merged

feat(utils): add DOM utilities #22

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24 changes: 24 additions & 0 deletions src/utils/domUtils.ts
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Original file line number Diff line number Diff line change
@@ -0,0 +1,24 @@
// DOM utility functions
export function isElementInViewport(el: Element): boolean {
const rect = el.getBoundingClientRect();
return rect.top >= 0 && rect.left >= 0 && rect.bottom <= window.innerHeight && rect.right <= window.innerWidth;
}
export function copyToClipboard(text: string): Promise<void> {
if (navigator.clipboard) return navigator.clipboard.writeText(text);
const textarea = document.createElement('textarea');
textarea.value = text;
textarea.style.position = 'fixed';
textarea.style.opacity = '0';
document.body.appendChild(textarea);
textarea.select();
document.execCommand('copy');
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@cubic-dev-ai cubic-dev-ai bot Mar 4, 2026 •
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P2: The clipboard fallback always resolves even when copy fails, masking runtime failures and breaking error handling for callers.

Prompt for AI agents 
Check if this issue is valid — if so, understand the root cause and fix it. At src/utils/domUtils.ts, line 14:

<comment>The clipboard fallback always resolves even when copy fails, masking runtime failures and breaking error handling for callers.</comment>

<file context>
@@ -0,0 +1,24 @@
+  textarea.style.opacity = '0';
+  document.body.appendChild(textarea);
+  textarea.select();
+  document.execCommand('copy');
+  document.body.removeChild(textarea);
+  return Promise.resolve();
</file context>
Fix with Cubic

document.body.removeChild(textarea);
return Promise.resolve();
}
export function getScrollPercentage(): number {
const h = document.documentElement;
const b = document.body;
const scrollTop = h.scrollTop || b.scrollTop;
const scrollHeight = (h.scrollHeight || b.scrollHeight) - h.clientHeight;
return scrollHeight > 0 ? Math.round((scrollTop / scrollHeight) * 100) : 0;
}
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