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Merge pull request #623 from matrix-org/dbkr/user_search_word_boundary

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Make user search do a bit better on word boundary
This commit is contained in:
David Baker 2017-01-23 11:31:26 +00:00 committed by GitHub
commit f64a4e0ecb
1 changed files with 20 additions and 6 deletions
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26
src/components/views/dialogs/ChatInviteDialog.js
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@ -27,6 +27,15 @@ var Modal = require('../../../Modal');
const TRUNCATE_QUERY_LIST = 40;
/*
* Escapes a string so it can be used in a RegExp
* Basically just replaces: \ ^ $ * + ? . ( ) | { } [ ]
* From http://stackoverflow.com/a/6969486
*/
function escapeRegExp(str) {
return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
}
module.exports = React.createClass({
displayName: "ChatInviteDialog",
propTypes: {
@ -307,13 +316,18 @@ module.exports = React.createClass({
return true;
}
// split spaces in name and try matching constituent parts
var parts = name.split(" ");
for (var i = 0; i < parts.length; i++) {
if (parts[i].indexOf(query) === 0) {
return true;
}
// Try to find the query following a "word boundary", except that
// this does avoids using \b because it only considers letters from
// the roman alphabet to be word characters.
// Instead, we look for the query following either:
// * The start of the string
// * Whitespace, or
// * A fixed number of punctuation characters
const expr = new RegExp("(?:^|[\\s\\(\)'\",\.-_@\?;:{}\\[\\]\\#~`\\*\\&\\$])" + escapeRegExp(query));
if (expr.test(name)) {
return true;
}
return false;
},