MAINHACK

Viewing / Editing File: index.js

'use strict';

module.exports = function (data, opts) {
    if (!opts) opts = {};
    if (typeof opts === 'function') opts = { cmp: opts };
    var cycles = (typeof opts.cycles === 'boolean') ? opts.cycles : false;

var seen = [];
    return (function stringify (node) {
        if (node && node.toJSON && typeof node.toJSON === 'function') {
            node = node.toJSON();
        }

if (node === undefined) return;
        if (typeof node == 'number') return isFinite(node) ? '' + node : 'null';
        if (typeof node !== 'object') return JSON.stringify(node);

var i, out;
        if (Array.isArray(node)) {
            out = '[';
            for (i = 0; i < node.length; i++) {
                if (i) out += ',';
                out += stringify(node[i]) || 'null';
            }
            return out + ']';
        }

if (node === null) return 'null';

if (seen.indexOf(node) !== -1) {
            if (cycles) return JSON.stringify('__cycle__');
            throw new TypeError('Converting circular structure to JSON');
        }

var seenIndex = seen.push(node) - 1;
        var keys = Object.keys(node).sort(cmp && cmp(node));
        out = '';
        for (i = 0; i < keys.length; i++) {
            var key = keys[i];
            var value = stringify(node[key]);

if (!value) continue;
            if (out) out += ',';
            out += JSON.stringify(key) + ':' + value;
        }
        seen.splice(seenIndex, 1);
        return '{' + out + '}';
    })(data);
};

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Viewing / Editing File: index.js

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