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| -rw-r--r-- | ext/fg/js/range.js | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/ext/fg/js/range.js b/ext/fg/js/range.js index 182e242c..0befe279 100644 --- a/ext/fg/js/range.js +++ b/ext/fg/js/range.js @@ -16,6 +16,19 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ +// Polyfill caretRangeFromPoint() using the newer caretPositionFromPoint() +if (!document.caretRangeFromPoint){ + document.caretRangeFromPoint = function polyfillcaretRangeFromPoint(x,y){ + let range = document.createRange(); + let position = document.caretPositionFromPoint(x,y); + if (!position) { + return null; + } + range.setStart(position.offsetNode, position.offset); + range.setEnd(position.offsetNode, position.offset); + return range; + }; +} class Range { constructor(range) { |