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Merge pull request #1199 from matrix-org/luke/fix-rte-emoji-prefixes 

Only allow completion of emoji in certain circumstances
pull/21833/head
David Baker 2017-07-10 14:02:01 +01:00 committed by GitHub
parent c9df079464 9a272d4965
commit 0112afad3c
1 changed files with 21 additions and 4 deletions
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25
src/autocomplete/EmojiProvider.js
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@ -18,7 +18,7 @@ limitations under the License.
import React from 'react';
import { _t } from '../languageHandler';
import AutocompleteProvider from './AutocompleteProvider';
import {emojioneList, shortnameToImage, shortnameToUnicode, asciiRegexp} from 'emojione';
import {emojioneList, shortnameToImage, shortnameToUnicode, asciiRegexp, unicodeRegexp} from 'emojione';
import FuzzyMatcher from './FuzzyMatcher';
import sdk from '../index';
import {PillCompletion} from './Components';
@ -41,7 +41,15 @@ const CATEGORY_ORDER = [
];
// Match for ":wink:" or ascii-style ";-)" provided by emojione
const EMOJI_REGEX = new RegExp('(' + asciiRegexp + '|:\\w*:?)$', 'g');
// (^|\s|(emojiUnicode)) to make sure we're either at the start of the string or there's a
// whitespace character or an emoji before the emoji. The reason for unicodeRegexp is
// that we need to support inputting multiple emoji with no space between them.
const EMOJI_REGEX = new RegExp('(?:^|\\s|' + unicodeRegexp + ')(' + asciiRegexp + '|:\\w*:?)$', 'g');
// We also need to match the non-zero-length prefixes to remove them from the final match,
// and update the range so that we don't replace the whitespace or the previous emoji.
const MATCH_PREFIX_REGEX = new RegExp('(\\s|' + unicodeRegexp + ')');
const EMOJI_SHORTNAMES = Object.keys(EmojiData).map((key) => EmojiData[key]).sort(
(a, b) => {
if (a.category === b.category) {
@ -73,9 +81,18 @@ export default class EmojiProvider extends AutocompleteProvider {
const EmojiText = sdk.getComponent('views.elements.EmojiText');
let completions = [];
let {command, range} = this.getCurrentCommand(query, selection);
const {command, range} = this.getCurrentCommand(query, selection);
if (command) {
completions = this.matcher.match(command[0]).map(result => {
let matchedString = command[0];
// Remove prefix of any length (single whitespace or unicode emoji)
const prefixMatch = MATCH_PREFIX_REGEX.exec(matchedString);
if (prefixMatch) {
matchedString = matchedString.slice(prefixMatch[0].length);
range.start += prefixMatch[0].length;
}
completions = this.matcher.match(matchedString).map((result) => {
const {shortname} = result;
const unicode = shortnameToUnicode(shortname);
return {