Extremely long validation time for complex object about z-schema HOT 5 CLOSED

var ObjectID = require('mongodb').ObjectID;
var ZSchema = require('z-schema');

describe('z-schema', function() {
    var schema = {
        type: 'array',
        items: {
            type: 'object',
            properties: {
                'note': { type: 'string', maxLength: 2048 },
                // 'created':  { type: 'object', format: 'date-object' },
                'createdBy': { type: 'string', maxLength: 100 },
                '_id': { type: 'object' }
            },
            additionalProperties: false,
        },
        additionalItems: false,
    };

    var notes = [];

    before(function() {
        var num = 5, i;
        for(i = 0; i < num; i++) {
            notes.push({
                _id: new ObjectID(),
                note: 'Here is my note',
                createdBy: '[email protected]',
            });
        }
        return notes;
    });

    it('should be fast', function(done) {
        var validator = new ZSchema({ async: true, noTypeless: true, noExtraKeywords: true, noZeroLengthStrings: true, forceAdditional: true});
        validator.validate(notes, schema, done);
    });
});

npm install
npm install -g mocha
mocha --grep "issue/39"