From ccbca50a2502108884f7f3c9ea24df8b2129731d Mon Sep 17 00:00:00 2001 From: Claire Date: Mon, 14 Nov 2022 22:14:55 +0100 Subject: Fix nodes order being sometimes mangled when rewriting emoji (#20677) * Fix front-end emoji tests * Fix nodes order being sometimes mangled when rewriting emoji --- .../features/emoji/__tests__/emoji-test.js | 42 +++++++++++----------- app/javascript/mastodon/features/emoji/emoji.js | 15 +++++--- 2 files changed, 32 insertions(+), 25 deletions(-) (limited to 'app/javascript') diff --git a/app/javascript/mastodon/features/emoji/__tests__/emoji-test.js b/app/javascript/mastodon/features/emoji/__tests__/emoji-test.js index 07b3d8c53..2f19aab7e 100644 --- a/app/javascript/mastodon/features/emoji/__tests__/emoji-test.js +++ b/app/javascript/mastodon/features/emoji/__tests__/emoji-test.js @@ -11,8 +11,8 @@ describe('emoji', () => { }); it('works with unclosed tags', () => { - expect(emojify('hello>')).toEqual('hello>'); - expect(emojify('')).toEqual('hello>'); + expect(emojify(' { @@ -22,23 +22,23 @@ describe('emoji', () => { it('does unicode', () => { expect(emojify('\uD83D\uDC69\u200D\uD83D\uDC69\u200D\uD83D\uDC66\u200D\uD83D\uDC66')).toEqual( - '๐Ÿ‘ฉโ€๐Ÿ‘ฉโ€๐Ÿ‘ฆโ€๐Ÿ‘ฆ'); + '๐Ÿ‘ฉโ€๐Ÿ‘ฉโ€๐Ÿ‘ฆโ€๐Ÿ‘ฆ'); expect(emojify('๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘งโ€๐Ÿ‘ง')).toEqual( - '๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘งโ€๐Ÿ‘ง'); - expect(emojify('๐Ÿ‘ฉโ€๐Ÿ‘ฉโ€๐Ÿ‘ฆ')).toEqual('๐Ÿ‘ฉโ€๐Ÿ‘ฉโ€๐Ÿ‘ฆ'); + '๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘งโ€๐Ÿ‘ง'); + expect(emojify('๐Ÿ‘ฉโ€๐Ÿ‘ฉโ€๐Ÿ‘ฆ')).toEqual('๐Ÿ‘ฉโ€๐Ÿ‘ฉโ€๐Ÿ‘ฆ'); expect(emojify('\u2757')).toEqual( - 'โ—'); + 'โ—'); }); it('does multiple unicode', () => { expect(emojify('\u2757 #\uFE0F\u20E3')).toEqual( - 'โ— #๏ธโƒฃ'); + 'โ— #๏ธโƒฃ'); expect(emojify('\u2757#\uFE0F\u20E3')).toEqual( - 'โ—#๏ธโƒฃ'); + 'โ—#๏ธโƒฃ'); expect(emojify('\u2757 #\uFE0F\u20E3 \u2757')).toEqual( - 'โ— #๏ธโƒฃ โ—'); + 'โ— #๏ธโƒฃ โ—'); expect(emojify('foo \u2757 #\uFE0F\u20E3 bar')).toEqual( - 'foo โ— #๏ธโƒฃ bar'); + 'foo โ— #๏ธโƒฃ bar'); }); it('ignores unicode inside of tags', () => { @@ -46,16 +46,16 @@ describe('emoji', () => { }); it('does multiple emoji properly (issue 5188)', () => { - expect(emojify('๐Ÿ‘Œ๐ŸŒˆ๐Ÿ’•')).toEqual('๐Ÿ‘Œ๐ŸŒˆ๐Ÿ’•'); - expect(emojify('๐Ÿ‘Œ ๐ŸŒˆ ๐Ÿ’•')).toEqual('๐Ÿ‘Œ ๐ŸŒˆ ๐Ÿ’•'); + expect(emojify('๐Ÿ‘Œ๐ŸŒˆ๐Ÿ’•')).toEqual('๐Ÿ‘Œ๐ŸŒˆ๐Ÿ’•'); + expect(emojify('๐Ÿ‘Œ ๐ŸŒˆ ๐Ÿ’•')).toEqual('๐Ÿ‘Œ ๐ŸŒˆ ๐Ÿ’•'); }); it('does an emoji that has no shortcode', () => { - expect(emojify('๐Ÿ‘โ€๐Ÿ—จ')).toEqual('๐Ÿ‘โ€๐Ÿ—จ'); + expect(emojify('๐Ÿ‘โ€๐Ÿ—จ')).toEqual('๐Ÿ‘โ€๐Ÿ—จ'); }); it('does an emoji whose filename is irregular', () => { - expect(emojify('โ†™๏ธ')).toEqual('โ†™๏ธ'); + expect(emojify('โ†™๏ธ')).toEqual('โ†™๏ธ'); }); it('avoid emojifying on invisible text', () => { @@ -67,26 +67,26 @@ describe('emoji', () => { it('avoid emojifying on invisible text with nested tags', () => { expect(emojify('๐Ÿ˜‡')) - .toEqual('๐Ÿ˜‡'); + .toEqual('๐Ÿ˜‡'); expect(emojify('๐Ÿ˜‡')) - .toEqual('๐Ÿ˜‡'); - expect(emojify('๐Ÿ˜‡')) - .toEqual('๐Ÿ˜‡'); + .toEqual('๐Ÿ˜‡'); + expect(emojify('๐Ÿ˜‡')) + .toEqual('๐Ÿ˜‡'); }); it('skips the textual presentation VS15 character', () => { expect(emojify('โœด๏ธŽ')) // This is U+2734 EIGHT POINTED BLACK STAR then U+FE0E VARIATION SELECTOR-15 - .toEqual('โœด'); + .toEqual('โœด'); }); it('does an simple emoji properly', () => { expect(emojify('โ™€โ™‚')) - .toEqual('โ™€โ™‚'); + .toEqual('โ™€โ™‚'); }); it('does an emoji containing ZWJ properly', () => { expect(emojify('๐Ÿ’‚โ€โ™€๏ธ๐Ÿ’‚โ€โ™‚๏ธ')) - .toEqual('๐Ÿ’‚\u200Dโ™€๏ธ๐Ÿ’‚\u200Dโ™‚๏ธ'); + .toEqual('๐Ÿ’‚\u200Dโ™€๏ธ๐Ÿ’‚\u200Dโ™‚๏ธ'); }); }); }); diff --git a/app/javascript/mastodon/features/emoji/emoji.js b/app/javascript/mastodon/features/emoji/emoji.js index 0ab32767a..52a8458fb 100644 --- a/app/javascript/mastodon/features/emoji/emoji.js +++ b/app/javascript/mastodon/features/emoji/emoji.js @@ -19,10 +19,13 @@ const emojiFilename = (filename) => { return borderedEmoji.includes(filename) ? (filename + '_border') : filename; }; +const domParser = new DOMParser(); + const emojifyTextNode = (node, customEmojis) => { - const parentElement = node.parentElement; let str = node.textContent; + const fragment = new DocumentFragment(); + for (;;) { let match, i = 0; @@ -64,12 +67,16 @@ const emojifyTextNode = (node, customEmojis) => { } } + fragment.append(document.createTextNode(str.slice(0, i))); + if (replacement) { + fragment.append(domParser.parseFromString(replacement, 'text/html').documentElement.getElementsByTagName('img')[0]); + } node.textContent = str.slice(0, i); - parentElement.insertAdjacentHTML('beforeend', replacement); str = str.slice(rend); - node = document.createTextNode(str); - parentElement.append(node); } + + fragment.append(document.createTextNode(str)); + node.parentElement.replaceChild(fragment, node); }; const emojifyNode = (node, customEmojis) => { -- cgit