From dfe97a2b775bea4e68bb43a6d02e7a624b9269f7 Mon Sep 17 00:00:00 2001 From: Alex Yatskov Date: Sun, 26 Feb 2017 12:14:22 -0800 Subject: fixup of gecko polyfill --- ext/fg/js/gecko.js | 33 ++++++++++++++++++++++++++++----- 1 file changed, 28 insertions(+), 5 deletions(-) (limited to 'ext/fg/js') diff --git a/ext/fg/js/gecko.js b/ext/fg/js/gecko.js index 21671749..e47d2ebe 100644 --- a/ext/fg/js/gecko.js +++ b/ext/fg/js/gecko.js @@ -1,10 +1,33 @@ -if (!document.caretRangeFromPoint){ - document.caretRangeFromPoint = function polyfillcaretRangeFromPoint(x,y){ - let range = document.createRange(); - let position = document.caretPositionFromPoint(x,y); - if (!position) { +/* + * Copyright (c) 2017 Alex Yatskov + * Author: Alex Yatskov + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +if (!document.caretRangeFromPoint) { + document.caretRangeFromPoint = (x, y) => { + const position = document.caretPositionFromPoint(x,y); + if (position === null) { return null; } + + const range = document.createRange(); range.setStart(position.offsetNode, position.offset); range.setEnd(position.offsetNode, position.offset); return range; -- cgit v1.2.3