refactor: convert regexp to inline keyword (to support ajv-pack)

Author: epoberezkin

keywords/regexp.js

@@ -3,12 +3,8 @@
 module.exports = function (ajv) {
   ajv.addKeyword('regexp', {
     type: 'string',
-    compile: function (schema) {
-      var regexp = getRegExp();
-
-      return function (data) {
-        return regexp.test(data);
-      };
+    inline: function (it, keyword, schema) {
+      return getRegExp() + '.test(data' + (it.dataLevel || '') + ')';
 
       function getRegExp() {
         try {

spec/regexp.spec.js

@@ -1,16 +1,18 @@
 'use strict';
 
 var Ajv = require('ajv');
+var ajvPack = require('ajv-pack');
 var defFunc = require('../keywords/regexp');
 var defineKeywords = require('..');
 var should = require('chai').should();
 
 
 describe('keyword "regexp"', function() {
-  var ajvs = [ new Ajv, new Ajv({allErrors: true}), new Ajv({v5: true}) ];
+  var ajvs = [ new Ajv, new Ajv({allErrors: true}), new Ajv, ajvPack.instance(new Ajv({sourceCode: true})) ];
   defFunc(ajvs[0]);
   defineKeywords(ajvs[1], 'regexp');
   defineKeywords(ajvs[2]);
+  defFunc(ajvs[3]);
 
   ajvs.forEach(function (ajv, i) {
     it('should validate that values match regular expressions with flags #' + i, function() {