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Emojification: only replace sequences of emoji surrounded by whitespace

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Fixes #903, #930
This commit is contained in:
Lorenz Hübschle-Schneider 2017-04-18 16:07:07 +02:00
parent e7fdf05890
commit 98d4bd9613
1 changed files with 33 additions and 2 deletions
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35
js/inputbar.js
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@ -28,9 +28,40 @@ weechat.directive('inputBar', function() {
// Expose utils to be able to check if we're on a mobile UI
$scope.utils = utils;
// E.g. Turn :smile: into the unicode equivalent
// Emojify input. E.g. Turn :smile: into the unicode equivalent, but
// don't do replacements in the middle of a word (e.g. std::io::foo)
$scope.inputChanged = function() {
$scope.command = emojione.shortnameToUnicode($scope.command);
var emojiRegex = /^(?:[\uD800-\uDBFF][\uDC00-\uDFFF])+$/, // *only* emoji
changed = false, // whether a segment was modified
inputNode = $scope.getInputNode(),
caretPos = inputNode.selectionStart,
position = 0; // current position in text
// use capturing group in regex to include whitespace in output array
var segments = $scope.command.split(/(\s+)/);
for (var i = 0; i < segments.length; i ++) {
if (/\s+/.test(segments[i]) || emojiRegex.test(segments[i])) {
// ignore whitespace and emoji-only segments
position += segments[i].length;
continue;
}
// emojify segment
var emojified = emojione.shortnameToUnicode(segments[i]);
if (emojiRegex.test(emojified)) {
// If result consists *only* of emoji, adjust caret
// position and replace segment with emojified version
caretPos = caretPos - segments[i].length + emojified.length;
segments[i] = emojified;
changed = true;
}
position += segments[i].length;
}
if (changed) { // Only re-assemble if something changed
$scope.command = segments.join('');
setTimeout(function() {
inputNode.setSelectionRange(caretPos, caretPos);
});
}
};
/*