| 1 | +const isFirefox = () => /firefox/i.test(navigator.userAgent); |
| 2 | + |
| 3 | +function sanitizeInlineQuotationOnCopy() { |
| 4 | + // STRG+C, STRG+V on firefox leads to duplicate double quotes when inline quotation elements are copied. |
| 5 | + // To work around this, take the selection and transform <q> to <span> before calling toString(). |
| 6 | + document.addEventListener('copy', function (event) { |
| 7 | + const selection = window.getSelection(); |
| 8 | + if (selection.anchorNode.nodeName !== '#text' || selection.focusNode.nodeName !== '#text' || !selection.anchorNode?.parentElement.closest('.mes_text')) { |
| 9 | + // Complex selection, skip. |
| 10 | + return; |
| 11 | + } |
| 12 | + |
| 13 | + const range = selection.getRangeAt(0).cloneContents(); |
| 14 | + const tempDOM = document.createDocumentFragment(); |
| 15 | + |
| 16 | + function processNode(node) { |
| 17 | + if (node.nodeType === Node.ELEMENT_NODE && node.tagName.toLowerCase() === 'q') { |
| 18 | + // Transform <q> to <span>, preserve children |
| 19 | + const span = document.createElement('span'); |
| 20 | + |
| 21 | + [...node.childNodes].forEach(child => { |
| 22 | + const processedChild = processNode(child); |
| 23 | + span.appendChild(processedChild); |
| 24 | + }); |
| 25 | + |
| 26 | + return span; |
| 27 | + } else { |
| 28 | + // Nested structures containing <q> elements are unlikely |
| 29 | + return node.cloneNode(true); |
| 30 | + } |
| 31 | + } |
| 32 | + |
| 33 | + [...range.childNodes].forEach(child => { |
| 34 | + const processedChild = processNode(child); |
| 35 | + tempDOM.appendChild(processedChild); |
| 36 | + }); |
| 37 | + |
| 38 | + const newRange = document.createRange(); |
| 39 | + newRange.selectNodeContents(tempDOM); |
| 40 | + |
| 41 | + event.preventDefault(); |
| 42 | + event.clipboardData.setData('text/plain', newRange.toString()); |
| 43 | + }); |
| 44 | +} |
| 45 | + |
| 46 | +function applyBrowserFixes() { |
| 47 | + if (isFirefox()) { |
| 48 | + sanitizeInlineQuotationOnCopy(); |
| 49 | + } |
| 50 | +} |
| 51 | + |
| 52 | +export { isFirefox, applyBrowserFixes }; |