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author Coffee CMS <info@coffee-cms.ru>
date Fri, 11 Oct 2024 22:40:23 +0000
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-1:000000000000 0:78edf6b517a0
1 <!doctype html>
2
3 <title>CodeMirror: Tern Demo</title>
4 <meta charset="utf-8"/>
5 <link rel=stylesheet href="../doc/docs.css">
6
7 <link rel="stylesheet" href="../lib/codemirror.css">
8 <link rel="stylesheet" href="../addon/dialog/dialog.css">
9 <link rel="stylesheet" href="../addon/hint/show-hint.css">
10 <link rel="stylesheet" href="../addon/tern/tern.css">
11 <script src="../lib/codemirror.js"></script>
12 <script src="../mode/javascript/javascript.js"></script>
13 <script src="../addon/dialog/dialog.js"></script>
14 <script src="../addon/hint/show-hint.js"></script>
15 <script src="../addon/tern/tern.js"></script>
16 <script src="https://unpkg.com/acorn/dist/acorn.js"></script>
17 <script src="https://unpkg.com/acorn-loose/dist/acorn-loose.js"></script>
18 <script src="https://unpkg.com/acorn-walk/dist/walk.js"></script>
19 <script src="//ternjs.net/doc/demo/polyfill.js"></script>
20 <script src="https://unpkg.com/tern/lib/signal.js"></script>
21 <script src="https://unpkg.com/tern/lib/tern.js"></script>
22 <script src="https://unpkg.com/tern/lib/def.js"></script>
23 <script src="https://unpkg.com/tern/lib/comment.js"></script>
24 <script src="https://unpkg.com/tern/lib/infer.js"></script>
25 <script src="https://unpkg.com/tern/plugin/doc_comment.js"></script>
26 <style>
27 .CodeMirror {border: 1px solid #ddd;}
28 </style>
29 <div id=nav>
30 <a href="https://codemirror.net/5"><h1>CodeMirror</h1><img id=logo src="../doc/logo.png"></a>
31
32 <ul>
33 <li><a href="../index.html">Home</a>
34 <li><a href="../doc/manual.html">Manual</a>
35 <li><a href="https://github.com/codemirror/codemirror5">Code</a>
36 </ul>
37 <ul>
38 <li><a class=active href="#">Tern</a>
39 </ul>
40 </div>
41
42 <article>
43 <h2>Tern Demo</h2>
44 <form><textarea id="code" name="code">// Use ctrl-space to complete something
45 // Put the cursor in or after an expression, press ctrl-o to
46 // find its type
47
48 var foo = ["array", "of", "strings"];
49 var bar = foo.slice(0, 2).join("").split("a")[0];
50
51 // Works for locally defined types too.
52
53 function CTor() { this.size = 10; }
54 CTor.prototype.hallo = "hallo";
55
56 var baz = new CTor;
57 baz.
58
59 // You can press ctrl-q when the cursor is on a variable name to
60 // rename it. Try it with CTor...
61
62 // When the cursor is in an argument list, the arguments are
63 // shown below the editor.
64
65 [1].reduce( );
66
67 // And a little more advanced code...
68
69 (function(exports) {
70 exports.randomElt = function(arr) {
71 return arr[Math.floor(arr.length * Math.random())];
72 };
73 exports.strList = "foo".split("");
74 exports.intList = exports.strList.map(function(s) { return s.charCodeAt(0); });
75 })(window.myMod = {});
76
77 var randomStr = myMod.randomElt(myMod.strList);
78 var randomInt = myMod.randomElt(myMod.intList);
79 </textarea></form>
80
81 <p>Demonstrates integration of <a href="http://ternjs.net/">Tern</a>
82 and CodeMirror. The following keys are bound:</p>
83
84 <dl>
85 <dt>Ctrl-Space</dt><dd>Autocomplete</dd>
86 <dt>Ctrl-O</dt><dd>Find docs for the expression at the cursor</dd>
87 <dt>Ctrl-I</dt><dd>Find type at cursor</dd>
88 <dt>Alt-.</dt><dd>Jump to definition (Alt-, to jump back)</dd>
89 <dt>Ctrl-Q</dt><dd>Rename variable</dd>
90 <dt>Ctrl-.</dt><dd>Select all occurrences of a variable</dd>
91 </dl>
92
93 <p>Documentation is sparse for now. See the top of
94 the <a href="../addon/tern/tern.js">script</a> for a rough API
95 overview.</p>
96
97 <script>
98 function getURL(url, c) {
99 var xhr = new XMLHttpRequest();
100 xhr.open("get", url, true);
101 xhr.send();
102 xhr.onreadystatechange = function() {
103 if (xhr.readyState != 4) return;
104 if (xhr.status < 400) return c(null, xhr.responseText);
105 var e = new Error(xhr.responseText || "No response");
106 e.status = xhr.status;
107 c(e);
108 };
109 }
110
111 var server;
112 getURL("https://unpkg.com/tern/defs/ecmascript.json", function(err, code) {
113 if (err) throw new Error("Request for ecmascript.json: " + err);
114 server = new CodeMirror.TernServer({defs: [JSON.parse(code)]});
115 editor.setOption("extraKeys", {
116 "Ctrl-Space": function(cm) { server.complete(cm); },
117 "Ctrl-I": function(cm) { server.showType(cm); },
118 "Ctrl-O": function(cm) { server.showDocs(cm); },
119 "Alt-.": function(cm) { server.jumpToDef(cm); },
120 "Alt-,": function(cm) { server.jumpBack(cm); },
121 "Ctrl-Q": function(cm) { server.rename(cm); },
122 "Ctrl-.": function(cm) { server.selectName(cm); }
123 })
124 editor.on("cursorActivity", function(cm) { server.updateArgHints(cm); });
125 });
126
127 var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
128 lineNumbers: true,
129 mode: "javascript"
130 });
131 </script>
132
133 </article>