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<html>
<head>
<script src="../esprima.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.0.0-alpha1/jquery.js"></script>
<!-- JSON Editor -->
<link href="https://cdnjs.cloudflare.com/ajax/libs/jsoneditor/4.2.1/jsoneditor.css" rel="stylesheet" type="text/css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/jsoneditor/4.2.1/jsoneditor.js"></script>
<!-- CODE Mirror -->
<link href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.6.0/codemirror.css" rel="stylesheet" type="text/css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.6.0/codemirror.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.6.0/mode/javascript/javascript.js"></script>
<style>
.CodeMirror {
border-bottom: 1px solid #ccc;
}
#output-tree {
height: calc(100% - 110px);
margin-top: 10px;
}
</style>
</head>
<textarea id="source">x = function() {'use strict'; 2 +2; }</textarea>
<div id="output-tree"></div>
<script>
var jsonViewer, jsEditor;
function updateJsonViewer (editor, char) {
var output;
try {
output = esprima.parse(editor.doc.getValue());
jsonViewer.set(output);
} catch (e) {
output = e.stack;
}
}
function setupEditor() {
jsEditor = CodeMirror.fromTextArea($('#source').get(0), {
mode: "javascript",
gutter: true,
lineNumbers: true
})
jsEditor.on("keyHandled", updateJsonViewer);
jsEditor.setSize('100%', 100);
jsEditor.gutter = true;
}
function setupJsonEditor() {
jsonViewer = new JSONEditor($("#output-tree").get(0), {
mode: 'view'
});
}
$(function() {
setupEditor();
setupJsonEditor();
updateJsonViewer(jsEditor);
});
</script>
</html>
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