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Fix and refactor getCaretPosition (#1782)

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This commit is contained in:
David
2022-03-13 23:36:53 +01:00
committed by GitHub
parent c960f6488f
commit 6e05c5cd7d
1 changed files with 12 additions and 7 deletions
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19
webroot/js/utils/chat.js
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@@ -6,16 +6,21 @@ import {
// Taken from https://stackoverflow.com/a/46902361 // Taken from https://stackoverflow.com/a/46902361
export function getCaretPosition(node) { export function getCaretPosition(node) {
var range = window.getSelection().getRangeAt(0), const selection = window.getSelection();
preCaretRange = range.cloneRange(),
caretPosition, if (selection.rangeCount === 0) {
tmp = document.createElement('div'); return 0;
}
const range = selection.getRangeAt(0);
const preCaretRange = range.cloneRange();
const tempElement = document.createElement('div');
preCaretRange.selectNodeContents(node); preCaretRange.selectNodeContents(node);
preCaretRange.setEnd(range.endContainer, range.endOffset); preCaretRange.setEnd(range.endContainer, range.endOffset);
tmp.appendChild(preCaretRange.cloneContents()); tempElement.appendChild(preCaretRange.cloneContents());
caretPosition = tmp.innerHTML.length;
return caretPosition; return tempElement.innerHTML.length;
} }
// Might not need this anymore // Might not need this anymore