diff options
Diffstat (limited to 'ext/js/dom/text-source-range.js')
| -rw-r--r-- | ext/js/dom/text-source-range.js | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/ext/js/dom/text-source-range.js b/ext/js/dom/text-source-range.js index a0225748..bbc22599 100644 --- a/ext/js/dom/text-source-range.js +++ b/ext/js/dom/text-source-range.js @@ -124,7 +124,7 @@ class TextSourceRange { * @param {boolean} fromEnd Whether to move the offset from the current end position (if `true`) or the start position (if `false`). * @param {boolean} layoutAwareScan Whether or not HTML layout information should be used to generate * the string content when scanning. - * @returns {number} The actual number of characters (not codepoints) that were read. + * @returns {number} The actual number of codepoints that were read. */ setEndOffset(length, fromEnd, layoutAwareScan) { let node; @@ -147,7 +147,7 @@ class TextSourceRange { * @param {number} length The maximum number of codepoints to move by. * @param {boolean} layoutAwareScan Whether or not HTML layout information should be used to generate * the string content when scanning. - * @returns {number} The actual number of characters (not codepoints) that were read. + * @returns {number} The actual number of codepoints that were read. */ setStartOffset(length, layoutAwareScan) { const state = new DOMTextScanner(this._range.startContainer, this._range.startOffset, !layoutAwareScan, layoutAwareScan).seek(-length); @@ -172,8 +172,9 @@ class TextSourceRange { * @returns {string} The rects. */ getWritingMode() { - const node = this._isImposterDisconnected() ? this._imposterSourceElement : this._range.startContainer; - return DocumentUtil.getElementWritingMode(node !== null ? node.parentElement : null); + let node = this._isImposterDisconnected() ? this._imposterSourceElement : this._range.startContainer; + if (node !== null && node.nodeType !== Node.ELEMENT_NODE) { node = node.parentElement; } + return DocumentUtil.getElementWritingMode(node); } /** |