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<!doctype html>
<title>CodeMirror: Any Word Completion Demo</title>
<meta charset="utf-8"/>
<link rel=stylesheet href="../doc/docs.css">
<link rel="stylesheet" href="../lib/codemirror.css">
<link rel="stylesheet" href="../addon/hint/show-hint.css">
<script src="../lib/codemirror.js"></script>
<script src="../addon/hint/show-hint.js"></script>
<script src="../addon/hint/anyword-hint.js" id=anyword></script>
<script src="../mode/javascript/javascript.js"></script>
<div id=nav>
<a href="https://codemirror.net/5"><h1>CodeMirror</h1><img id=logo src="../doc/logo.png"></a>
<ul>
<li><a href="../index.html">Home</a>
<li><a href="../doc/manual.html">Manual</a>
<li><a href="https://github.com/codemirror/codemirror5">Code</a>
</ul>
<ul>
<li><a class=active href="#">Any Word Completion</a>
</ul>
</div>
<article>
<h2>Any Word Completion Demo</h2>
<form><textarea id="code" name="code">
(function() {
"use strict";
var WORD = /[\w$]+/, RANGE = 500;
CodeMirror.registerHelper("hint", "anyword", function(editor, options) {
var word = options && options.word || WORD;
var range = options && options.range || RANGE;
var cur = editor.getCursor(), curLine = editor.getLine(cur.line);
var end = cur.ch, start = end;
while (start && word.test(curLine.charAt(start - 1))) --start;
var curWord = start != end && curLine.slice(start, end);
var list = options && options.list || [], seen = {};
var re = new RegExp(word.source, "g");
for (var dir = -1; dir <= 1; dir += 2) {
var line = cur.line, endLine = Math.min(Math.max(line + dir * range, editor.firstLine()), editor.lastLine()) + dir;
for (; line != endLine; line += dir) {
var text = editor.getLine(line), m;
while (m = re.exec(text)) {
if (line == cur.line && m[0] === curWord) continue;
if ((!curWord || m[0].lastIndexOf(curWord, 0) == 0) && !Object.prototype.hasOwnProperty.call(seen, m[0])) {
seen[m[0]] = true;
list.push(m[0]);
}
}
}
}
return {list: list, from: CodeMirror.Pos(cur.line, start), to: CodeMirror.Pos(cur.line, end)};
});
})();
</textarea></form>
<p>Press <strong>ctrl-space</strong> to activate autocompletion. The
completion uses
the <a href="../doc/manual.html#addon_anyword-hint">anyword-hint.js</a>
module, which simply looks at nearby words in the buffer and completes
to those.</p>
<script>
CodeMirror.commands.autocomplete = function(cm) {
cm.showHint({hint: CodeMirror.hint.anyword});
}
var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
lineNumbers: true,
extraKeys: {"Ctrl-Space": "autocomplete"}
});
</script>
</article>