Add size limit config to the meta call

Author: achamney

src/model.js

@@ -1,4 +1,5 @@
 const helper = require('./helper');
+const config = require('./config');
 const Data = require('./db').getInstance();
 
 const xpost = async (req, res, next) => {
@@ -122,6 +123,7 @@ const xmeta = async (req, res, next) => {
 		const result = {};
 		Promise.all(promises).then(function(values) {
 			result['_count'] = values[0];
+			result['_sizeLimit'] = config.SIZE_LIMIT;
 
 			if (values[0] > 0) {
 				// get first _createdOn

test/test.js

@@ -1,5 +1,6 @@
 const assert = require('assert');
 const fetch = require('fetch-lite');
+const config = require('../src/config');
 
 const apiBase = 'http://localhost:3000';
 const random = (i, j) => Math.floor(Math.random() * j) + i;
@@ -61,6 +62,7 @@ describe('jsonbox.io tests', () => {
 			});
 			assert.equal(response.status, 200);
 			assert.equal(response.body["_count"], 3);
+			assert.equal(response.body["_sizeLimit"], config.SIZE_LIMIT);
 			assert.notEqual(response.body["_createdOn"], undefined);
 		});
 	});