json-highlight/dist/json-highlight.common.js

A Json to Html formatter

/*!
* json-highlight v0.1.2
* Copyright (c) 2019 Bowen Zhao
* Released under the MIT License.
*/
'use strict';

function index (json) {
    if (!json)
        return '';
    if (typeof json !== 'string') {
        json = JSON.stringify(json, null, 2);
    }
    return json.replace(/("(\\u[a-zA-Z0-9]{4,5}|\\[^u]|[^\\"])*"(\s*:)?|\b(true|false|null)\b|-?\d+(?:\.\d*)?(?:[eE][+-]?\d+)?)/g, function (match) {
        if (/^(".+):$/.test(match)) {
            return "<span class=\"json-key\">" + RegExp.$1 + "</span>:";
        }
        var type = 'number';
        if (/true|false/.test(match)) {
            type = 'boolean';
        }
        if (/null/.test(match)) {
            type = 'null';
        }
        if (/^".+"$/.test(match)) {
            type = 'string';
        }
        return "<span class=\"json-" + type + "\">" + match + "</span>";
    });
}

module.exports = index;