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114 lines
4.1 KiB
114 lines
4.1 KiB
<!doctype html> |
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<title>CodeMirror: JavaScript mode</title> |
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<meta charset="utf-8"/> |
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<link rel=stylesheet href="../../doc/docs.css"> |
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<link rel="stylesheet" href="../../lib/codemirror.css"> |
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<script src="../../lib/codemirror.js"></script> |
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<script src="../../addon/edit/matchbrackets.js"></script> |
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<script src="../../addon/comment/continuecomment.js"></script> |
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<script src="../../addon/comment/comment.js"></script> |
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<script src="javascript.js"></script> |
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<style type="text/css">.CodeMirror {border-top: 1px solid black; border-bottom: 1px solid black;}</style> |
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<div id=nav> |
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<a href="http://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png"></a> |
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<ul> |
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<li><a href="../../index.html">Home</a> |
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<li><a href="../../doc/manual.html">Manual</a> |
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<li><a href="https://github.com/codemirror/codemirror">Code</a> |
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</ul> |
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<ul> |
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<li><a href="../index.html">Language modes</a> |
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<li><a class=active href="#">JavaScript</a> |
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</ul> |
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</div> |
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<article> |
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<h2>JavaScript mode</h2> |
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<div><textarea id="code" name="code"> |
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// Demo code (the actual new parser character stream implementation) |
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function StringStream(string) { |
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this.pos = 0; |
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this.string = string; |
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} |
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StringStream.prototype = { |
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done: function() {return this.pos >= this.string.length;}, |
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peek: function() {return this.string.charAt(this.pos);}, |
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next: function() { |
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if (this.pos < this.string.length) |
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return this.string.charAt(this.pos++); |
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}, |
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eat: function(match) { |
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var ch = this.string.charAt(this.pos); |
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if (typeof match == "string") var ok = ch == match; |
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else var ok = ch && match.test ? match.test(ch) : match(ch); |
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if (ok) {this.pos++; return ch;} |
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}, |
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eatWhile: function(match) { |
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var start = this.pos; |
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while (this.eat(match)); |
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if (this.pos > start) return this.string.slice(start, this.pos); |
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}, |
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backUp: function(n) {this.pos -= n;}, |
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column: function() {return this.pos;}, |
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eatSpace: function() { |
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var start = this.pos; |
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while (/\s/.test(this.string.charAt(this.pos))) this.pos++; |
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return this.pos - start; |
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}, |
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match: function(pattern, consume, caseInsensitive) { |
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if (typeof pattern == "string") { |
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function cased(str) {return caseInsensitive ? str.toLowerCase() : str;} |
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if (cased(this.string).indexOf(cased(pattern), this.pos) == this.pos) { |
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if (consume !== false) this.pos += str.length; |
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return true; |
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} |
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} |
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else { |
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var match = this.string.slice(this.pos).match(pattern); |
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if (match && consume !== false) this.pos += match[0].length; |
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return match; |
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} |
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} |
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}; |
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</textarea></div> |
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<script> |
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var editor = CodeMirror.fromTextArea(document.getElementById("code"), { |
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lineNumbers: true, |
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matchBrackets: true, |
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continueComments: "Enter", |
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extraKeys: {"Ctrl-Q": "toggleComment"} |
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}); |
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</script> |
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<p> |
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JavaScript mode supports several configuration options: |
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<ul> |
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<li><code>json</code> which will set the mode to expect JSON |
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data rather than a JavaScript program.</li> |
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<li><code>jsonld</code> which will set the mode to expect |
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<a href="http://json-ld.org">JSON-LD</a> linked data rather |
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than a JavaScript program (<a href="json-ld.html">demo</a>).</li> |
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<li><code>typescript</code> which will activate additional |
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syntax highlighting and some other things for TypeScript code |
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(<a href="typescript.html">demo</a>).</li> |
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<li><code>statementIndent</code> which (given a number) will |
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determine the amount of indentation to use for statements |
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continued on a new line.</li> |
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<li><code>wordCharacters</code>, a regexp that indicates which |
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characters should be considered part of an identifier. |
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Defaults to <code>/[\w$]/</code>, which does not handle |
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non-ASCII identifiers. Can be set to something more elaborate |
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to improve Unicode support.</li> |
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</ul> |
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</p> |
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<p><strong>MIME types defined:</strong> <code>text/javascript</code>, <code>application/json</code>, <code>application/ld+json</code>, <code>text/typescript</code>, <code>application/typescript</code>.</p> |
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</article>
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