| 53 | if (!buttons.length) return; |
| 54 | |
| 55 | function copyText(text) { |
| 56 | if (navigator.clipboard && window.isSecureContext) { |
| 57 | return navigator.clipboard.writeText(text); |
| 58 | } |
| 59 | // Fallback: textarea + execCommand for non-secure contexts (e.g. file://). |
| 60 | return new Promise((resolve, reject) => { |
| 61 | const ta = document.createElement('textarea'); |
| 62 | ta.value = text; |
| 63 | ta.setAttribute('readonly', ''); |
| 64 | ta.style.position = 'fixed'; |
| 65 | ta.style.left = '-9999px'; |
| 66 | document.body.appendChild(ta); |
| 67 | ta.select(); |
| 68 | try { |
| 69 | const ok = document.execCommand('copy'); |
| 70 | document.body.removeChild(ta); |
| 71 | ok ? resolve() : reject(new Error('execCommand failed')); |
| 72 | } catch (err) { |
| 73 | document.body.removeChild(ta); |
| 74 | reject(err); |
| 75 | } |
| 76 | }); |
| 77 | } |
| 78 | |
| 79 | buttons.forEach((btn) => { |
| 80 | btn.addEventListener('click', () => { |