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Match emojis from the beginning before trying fuzzy matches

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Fixes flarum/core#901.
This commit is contained in:
Franz Liedke 2016-05-14 22:59:25 +09:00
parent c67091709c
commit 5f7195b3fa
2 changed files with 40 additions and 14 deletions
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27
extensions/emoji/js/forum/dist/extension.js vendored
View File

@ -215,18 +215,33 @@ System.register('flarum/emoji/addComposerAutocomplete', ['flarum/extend', 'flaru
var suggestions = [];
var similarEmoji = [];
// Build a regular expression to do a fuzzy match of the given input string
var fuzzyRegexp = function fuzzyRegexp(str) {
var reEscape = new RegExp('\\(([' + '+.*?[]{}()^$|\\'.replace(/(.)/g, '\\$1') + '])\\)', 'g');
return new RegExp('(.*)' + str.toLowerCase().replace(/(.)/g, '($1)(.*?)').replace(reEscape, '(\\$1)') + '$', 'i');
};
var regTyped = fuzzyRegexp(typed);
for (var i = 0, maxSuggestions = 7; i < emojiKeys.length && maxSuggestions > 0; i++) {
if (regTyped.test(emojiKeys[i])) {
--maxSuggestions;
similarEmoji.push(emojiKeys[i]);
var maxSuggestions = 7;
var findMatchingEmojis = function findMatchingEmojis(matcher) {
for (var _i = 0; _i < emojiKeys.length && maxSuggestions > 0; _i++) {
if (matcher(emojiKeys[_i])) {
--maxSuggestions;
similarEmoji.push(emojiKeys[_i]);
}
}
}
};
// First, try to find all emojis starting with the given string
findMatchingEmojis(function (emoji) {
return emoji.indexOf(typed) === 0;
});
// If there are still suggestions left, try for some fuzzy matches
findMatchingEmojis(function (emoji) {
return regTyped.test(emoji);
});
similarEmoji = similarEmoji.sort(function (a, b) {
return a.length - b.length;

27
extensions/emoji/js/forum/src/addComposerAutocomplete.js
View File

@ -86,20 +86,31 @@ export default function addComposerAutocomplete() {
const suggestions = [];
let similarEmoji = [];
// Build a regular expression to do a fuzzy match of the given input string
const fuzzyRegexp = function(str) {
const reEscape = new RegExp('\\(([' + ('+.*?[]{}()^$|\\'.replace(/(.)/g, '\\$1')) + '])\\)', 'g');
return new RegExp('(.*)' + (str.toLowerCase().replace(/(.)/g, '($1)(.*?)')).replace(reEscape, '(\\$1)') + '$', 'i');
};
const regTyped = fuzzyRegexp(typed);
for (var i=0, maxSuggestions = 7; i < emojiKeys.length && maxSuggestions > 0; i++) {
if(regTyped.test(emojiKeys[i])) {
--maxSuggestions;
similarEmoji.push(emojiKeys[i]);
}
}
similarEmoji = similarEmoji.sort((a,b) => {
let maxSuggestions = 7;
const findMatchingEmojis = matcher => {
for (let i = 0; i < emojiKeys.length && maxSuggestions > 0; i++) {
if (matcher(emojiKeys[i])) {
--maxSuggestions;
similarEmoji.push(emojiKeys[i]);
}
}
};
// First, try to find all emojis starting with the given string
findMatchingEmojis(emoji => emoji.indexOf(typed) === 0);
// If there are still suggestions left, try for some fuzzy matches
findMatchingEmojis(emoji => regTyped.test(emoji));
similarEmoji = similarEmoji.sort((a, b) => {
return a.length - b.length
});