https://wordtohtml.net/js/codemirror5659/addon/hint/css-hint.js?v=1663685212

1// CodeMirror, copyright (c) by Marijn Haverbeke and others
2// Distributed under an MIT license: https://codemirror.net/5/LICENSE
3
4(function(mod) {
5  if (typeof exports == "object" && typeof module == "object") // CommonJS
6    mod(require("../../lib/codemirror"), require("../../mode/css/css"));
7  else if (typeof define == "function" && define.amd) // AMD
8    define(["../../lib/codemirror", "../../mode/css/css"], mod);
9  else // Plain browser env
10    mod(CodeMirror);
11})(function(CodeMirror) {
12  "use strict";
13
14  var pseudoClasses = {"active":1, "after":1, "before":1, "checked":1, "default":1,
15    "disabled":1, "empty":1, "enabled":1, "first-child":1, "first-letter":1,
16    "first-line":1, "first-of-type":1, "focus":1, "hover":1, "in-range":1,
17    "indeterminate":1, "invalid":1, "lang":1, "last-child":1, "last-of-type":1,
18    "link":1, "not":1, "nth-child":1, "nth-last-child":1, "nth-last-of-type":1,
19    "nth-of-type":1, "only-of-type":1, "only-child":1, "optional":1, "out-of-range":1,
20    "placeholder":1, "read-only":1, "read-write":1, "required":1, "root":1,
21    "selection":1, "target":1, "valid":1, "visited":1
22  };
23
24  CodeMirror.registerHelper("hint", "css", function(cm) {
25    var cur = cm.getCursor(), token = cm.getTokenAt(cur);
26    var inner = CodeMirror.innerMode(cm.getMode(), token.state);
27    if (inner.mode.name != "css") return;
28
29    if (token.type == "keyword" && "!important".indexOf(token.string) == 0)
30      return {list: ["!important"], from: CodeMirror.Pos(cur.line, token.start),
31              to: CodeMirror.Pos(cur.line, token.end)};
32
33    var start = token.start, end = cur.ch, word = token.string.slice(0, end - start);
34    if (/[^\w$_-]/.test(word)) {
35      word = ""; start = end = cur.ch;
36    }
37
38    var spec = CodeMirror.resolveMode("text/css");
39
40    var result = [];
41    function add(keywords) {
42      for (var name in keywords)
43        if (!word || name.lastIndexOf(word, 0) == 0)
44          result.push(name);
45    }
46
47    var st = inner.state.state;
48    if (st == "pseudo" || token.type == "variable-3") {
49      add(pseudoClasses);
50    } else if (st == "block" || st == "maybeprop") {
51      add(spec.propertyKeywords);
52    } else if (st == "prop" || st == "parens" || st == "at" || st == "params") {
53      add(spec.valueKeywords);
54      add(spec.colorKeywords);
55    } else if (st == "media" || st == "media_parens") {
56      add(spec.mediaTypes);
57      add(spec.mediaFeatures);
58    }
59
60    if (result.length) return {
61      list: result,
62      from: CodeMirror.Pos(cur.line, start),
63      to: CodeMirror.Pos(cur.line, end)
64    };
65  });
66});