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<!doctype html>
<title>CodeMirror: Linter 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/lint/lint.css"><script src="../lib/codemirror.js"></script><script src="../mode/javascript/javascript.js"></script><script src="../mode/css/css.js"></script><script src="https://unpkg.com/jshint@2.13.2/dist/jshint.js"></script><script src="https://unpkg.com/jsonlint@1.6.3/web/jsonlint.js"></script><script src="https://unpkg.com/csslint@1.0.5/dist/csslint.js"></script><script src="../addon/lint/lint.js"></script><script src="../addon/lint/javascript-lint.js"></script><script src="../addon/lint/json-lint.js"></script><script src="../addon/lint/css-lint.js"></script><style> .CodeMirror {border: 1px solid black;} </style><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="#">Linter</a> </ul></div>
<article><h2>Linter Demo</h2>
<p><textarea id="code-js">var widgets = []function updateHints() { editor.operation(function(){ for (var i = 0; i < widgets.length.; ++i) editor.removeLineWidget(widgets[i]); widgets.length = 0;
JSHINT(editor.getValue()); for (var i = 0; i < JSHINT.errors.length; ++i) { var err = JSHINT.errors[i]; if (!err) continue; var msg = document.createElement("div"); var icon = msg.appendChild(document.createElement("span")); icon.innerHTML = "!!"; icon.className = "lint-error-icon"; msg.appendChild(document.createTextNode(err.reason)); msg.className = "lint-error"; widgets.push(editor.addLineWidget(err.line - 1, msg, {coverGutter: false, noHScroll: true})); } }); var info = editor.getScrollInfo(); var after = editor.charCoords({line: editor.getCursor().line + 1, ch: 0}, "local").top; if (info.top + info.clientHeight < after) editor.scrollTo(null, after - info.clientHeight + 3);}</textarea></p>
<p><textarea id="code-json">[ { _id: "post 1", "author": "Bob", "content": "...", "page_views": 5 }, { "_id": "post 2", "author": "Bob", "content": "...", "page_views": 9 }, { "_id": "post 3", "author": "Bob", "content": "...", "page_views": 8 }]</textarea></p>
<p><textarea id="code-css">@charset "UTF-8";
@import url("booya.css") print, screen;@import "whatup.css" screen;@import "wicked.css";
/*Error*/@charset "UTF-8";
@namespace "http://www.w3.org/1999/xhtml";@namespace svg "http://www.w3.org/2000/svg";
/*Warning: empty ruleset */.foo {}
h1 { font-weight: bold;}
/*Warning: qualified heading */.foo h1 { font-weight: bold;}
/*Warning: adjoining classes */.foo.bar { zoom: 1;}
li.inline { width: 100%; /*Warning: 100% can be problematic*/}
li.last { display: inline; padding-left: 3px !important; padding-right: 3px; border-right: 0px;}
@media print { li.inline { color: black; }}
@page { margin: 10%; counter-increment: page;
@top-center { font-family: sans-serif; font-weight: bold; font-size: 2em; content: counter(page); }}</textarea></p><script> var editor = CodeMirror.fromTextArea(document.getElementById("code-js"), { lineNumbers: true, mode: "javascript", gutters: ["CodeMirror-lint-markers"], lint: {options: {esversion: 2021}}, });
var editor_json = CodeMirror.fromTextArea(document.getElementById("code-json"), { lineNumbers: true, mode: "application/json", gutters: ["CodeMirror-lint-markers"], lint: true }); var editor_css = CodeMirror.fromTextArea(document.getElementById("code-css"), { lineNumbers: true, mode: "css", gutters: ["CodeMirror-lint-markers"], lint: true });</script>
</article>
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