21 lines
777 B
JavaScript
21 lines
777 B
JavaScript
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function syntaxHighlight(json) {
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if (typeof json != 'string') {
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json = JSON.stringify(json, undefined, 4);
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}
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json = json.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>');
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return json.replace(/("(\\u[a-zA-Z0-9]{4}|\\[^u]|[^\\"])*"(\s*:)?|\b(true|false|null)\b|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?)/g, function (match) {
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let cls = 'number';
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if (/^"/.test(match)) {
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if (/:$/.test(match)) {
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cls = 'key';
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} else {
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cls = 'string';
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}
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} else if (/true|false/.test(match)) {
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cls = 'boolean';
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} else if (/null/.test(match)) {
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cls = 'null';
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}
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return '<span class="' + cls + '">' + match + '</span>';
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});
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}
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