Implemented faker.seed method for randomization seeding

tullmann · Jul 15, 2015 · 40c13f2 · 40c13f2
1 parent a0465fc
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diff --git a/Readme.md b/Readme.md
@@ -38,7 +38,7 @@ As of version `v3.0.0` faker.js contains a super useful generator method `Faker.
 **Example:**
 
 ``` js
-console.log(faker.fake('{{name.lastName}}, {{name.firstName}} {{name.suffix}}'));
+console.log(faker.fake(',  '));
 // outputs: "Marks, Dean Sr."
 ```
 

diff --git a/build/build/faker.js b/build/build/faker.js
diff --git a/build/build/faker.min.js b/build/build/faker.min.js
diff --git a/build/build/locales/de/faker.de.js b/build/build/locales/de/faker.de.js
@@ -828,7 +828,7 @@ module["exports"] = Image;
 */
 
 function Faker (opts) {
-  
+
   var self = this;
 
   opts = opts || {};
@@ -837,20 +837,19 @@ function Faker (opts) {
   var locales = self.locales || opts.locales || {};
   var locale = self.locale || opts.locale || "en";
   var localeFallback = self.localeFallback || opts.localeFallback || "en";
-  
+
   self.locales = locales;
   self.locale = locale;
   self.localeFallback = localeFallback;
-
-
+
   self.definitions = {};
-  
+
   var Fake = require('./fake');
   self.fake = new Fake(self).fake;
-  
+
   var Random = require('./random');
   self.random = new Random(self);
-  // self.random = require('./random');  
+  // self.random = require('./random');
 
   var Helpers = require('./helpers');
   self.helpers = new Helpers(self);
@@ -890,7 +889,7 @@ function Faker (opts) {
   self.commerce = new Commerce(self);
 
   // TODO: fix self.commerce = require('./commerce');
-  
+
   var _definitions = {
     "name": ["first_name", "last_name", "prefix", "suffix", "title", "male_first_name", "female_first_name", "male_middle_name", "female_middle_name", "male_last_name", "female_last_name"],
     "address": ["city_prefix", "city_suffix", "street_suffix", "county", "country", "country_code", "state", "state_abbr", "street_prefix", "postcode"],
@@ -932,11 +931,16 @@ function Faker (opts) {
       });
     });
   });
-
-
+
 };
 
+Faker.prototype.seed = function(value) {
+  var Random = require('./random');
+  this.seedValue = value;
+  this.random = new Random(this, this.seedValue);
+}
 module['exports'] = Faker;
+
 },{"./address":1,"./commerce":2,"./company":3,"./date":4,"./fake":5,"./finance":6,"./hacker":7,"./helpers":8,"./image":9,"./internet":11,"./lorem":128,"./name":129,"./phone_number":130,"./random":131}],11:[function(require,module,exports){
 var password_generator = require('../vendor/password-generator.js'),
     random_ua = require('../vendor/user-agent');
@@ -2489,7 +2493,7 @@ module["exports"] = [
 
 },{}],31:[function(require,module,exports){
 module.exports=require(29)
-},{"/Users/a/dev/faker.js/lib/locales/de/company/legal_form.js":29}],32:[function(require,module,exports){
+},{"/Users/brandondail/.dev/Faker/faker.js/lib/locales/de/company/legal_form.js":29}],32:[function(require,module,exports){
 var de = {};
 module['exports'] = de;
 de.title = "German";
@@ -5691,7 +5695,7 @@ module["exports"] = [
 
 },{}],47:[function(require,module,exports){
 module.exports=require(13)
-},{"/Users/a/dev/faker.js/lib/locales/de/address/city.js":13}],48:[function(require,module,exports){
+},{"/Users/brandondail/.dev/Faker/faker.js/lib/locales/de/address/city.js":13}],48:[function(require,module,exports){
 module["exports"] = [
   "North",
   "East",
@@ -6272,7 +6276,7 @@ module["exports"] = [
 
 },{}],56:[function(require,module,exports){
 module.exports=require(55)
-},{"/Users/a/dev/faker.js/lib/locales/en/address/postcode.js":55}],57:[function(require,module,exports){
+},{"/Users/brandondail/.dev/Faker/faker.js/lib/locales/en/address/postcode.js":55}],57:[function(require,module,exports){
 module["exports"] = [
   "Apt. ###",
   "Suite ###"
@@ -6902,7 +6906,7 @@ module["exports"] = [
 
 },{}],73:[function(require,module,exports){
 arguments[4][27][0].apply(exports,arguments)
-},{"./formats":72,"/Users/a/dev/faker.js/lib/locales/de/cell_phone/index.js":27}],74:[function(require,module,exports){
+},{"./formats":72,"/Users/brandondail/.dev/Faker/faker.js/lib/locales/de/cell_phone/index.js":27}],74:[function(require,module,exports){
 module["exports"] = [
   "red",
   "green",
@@ -9788,7 +9792,7 @@ module["exports"] = [
 
 },{}],111:[function(require,module,exports){
 module.exports=require(34)
-},{"/Users/a/dev/faker.js/lib/locales/de/internet/free_email.js":34}],112:[function(require,module,exports){
+},{"/Users/brandondail/.dev/Faker/faker.js/lib/locales/de/internet/free_email.js":34}],112:[function(require,module,exports){
 var internet = {};
 module['exports'] = internet;
 internet.free_email = require("./free_email");
@@ -10647,7 +10651,7 @@ module["exports"] = [
 
 },{}],115:[function(require,module,exports){
 module.exports=require(37)
-},{"/Users/a/dev/faker.js/lib/locales/de/lorem/words.js":37}],116:[function(require,module,exports){
+},{"/Users/brandondail/.dev/Faker/faker.js/lib/locales/de/lorem/words.js":37}],116:[function(require,module,exports){
 module["exports"] = [
   "Aaliyah",
   "Aaron",
@@ -14300,7 +14304,7 @@ module["exports"] = [
 
 },{}],124:[function(require,module,exports){
 arguments[4][45][0].apply(exports,arguments)
-},{"./formats":123,"/Users/a/dev/faker.js/lib/locales/de/phone_number/index.js":45}],125:[function(require,module,exports){
+},{"./formats":123,"/Users/brandondail/.dev/Faker/faker.js/lib/locales/de/phone_number/index.js":45}],125:[function(require,module,exports){
 module["exports"] = [
   "ants",
   "bats",
@@ -14560,8 +14564,16 @@ module['exports'] = Phone;
 },{}],131:[function(require,module,exports){
 var mersenne = require('../vendor/mersenne');
 
-function Random (faker) {
-
+function Random (faker, seed) {
+  // Use a user provided seed if it exists
+  if (seed) {
+    if (Array.isArray(seed) && seed.length) {
+      mersenne.seed_array(seed);
+    }
+    else {
+      mersenne.seed(seed);
+    }
+  }
   // returns a single random number based on a max number or range
   this.number = function (options) {
 
@@ -14588,7 +14600,7 @@ function Random (faker) {
     var max = options.max;
     if (max >= 0) {
       max += options.precision;
-    } 
+    }
 
     var randomNumber = options.precision * Math.floor(
       mersenne.rand(max / options.precision, options.min / options.precision));
@@ -14750,7 +14762,7 @@ function MersenneTwister19937()
 		//c//mt[0]= s & 0xffffffff;
 		mt[0]= unsigned32(s & 0xffffffff);
 		for (mti=1; mti<N; mti++) {
-			mt[mti] = 
+			mt[mti] =
 			//c//(1812433253 * (mt[mti-1] ^ (mt[mti-1] >> 30)) + mti);
 			addition32(multiplication32(1812433253, unsigned32(mt[mti-1] ^ (mt[mti-1] >>> 30))), mti);
 			/* See Knuth TAOCP Vol2. 3rd Ed. P.106 for multiplier. */
@@ -14780,7 +14792,7 @@ function MersenneTwister19937()
 			//c//mt[i] = (mt[i] ^ ((mt[i-1] ^ (mt[i-1] >> 30)) * 1664525))
 			//c//	+ init_key[j] + j; /* non linear */
 			mt[i] = addition32(addition32(unsigned32(mt[i] ^ multiplication32(unsigned32(mt[i-1] ^ (mt[i-1] >>> 30)), 1664525)), init_key[j]), j);
-			mt[i] = 
+			mt[i] =
 			//c//mt[i] &= 0xffffffff; /* for WORDSIZE > 32 machines */
 			unsigned32(mt[i] & 0xffffffff);
 			i++; j++;
@@ -14932,7 +14944,6 @@ exports.seed_array = function(A) {
     gen.init_by_array(A);
 }
 
-
 },{}],134:[function(require,module,exports){
 /*
  * password-generator

diff --git a/build/build/locales/de/faker.de.min.js b/build/build/locales/de/faker.de.min.js
diff --git a/build/build/locales/de_AT/faker.de_AT.js b/build/build/locales/de_AT/faker.de_AT.js
@@ -828,7 +828,7 @@ module["exports"] = Image;
 */
 
 function Faker (opts) {
-  
+
   var self = this;
 
   opts = opts || {};
@@ -837,20 +837,19 @@ function Faker (opts) {
   var locales = self.locales || opts.locales || {};
   var locale = self.locale || opts.locale || "en";
   var localeFallback = self.localeFallback || opts.localeFallback || "en";
-  
+
   self.locales = locales;
   self.locale = locale;
   self.localeFallback = localeFallback;
-
-
+
   self.definitions = {};
-  
+
   var Fake = require('./fake');
   self.fake = new Fake(self).fake;
-  
+
   var Random = require('./random');
   self.random = new Random(self);
-  // self.random = require('./random');  
+  // self.random = require('./random');
 
   var Helpers = require('./helpers');
   self.helpers = new Helpers(self);
@@ -890,7 +889,7 @@ function Faker (opts) {
   self.commerce = new Commerce(self);
 
   // TODO: fix self.commerce = require('./commerce');
-  
+
   var _definitions = {
     "name": ["first_name", "last_name", "prefix", "suffix", "title", "male_first_name", "female_first_name", "male_middle_name", "female_middle_name", "male_last_name", "female_last_name"],
     "address": ["city_prefix", "city_suffix", "street_suffix", "county", "country", "country_code", "state", "state_abbr", "street_prefix", "postcode"],
@@ -932,11 +931,16 @@ function Faker (opts) {
       });
     });
   });
-
-
+
 };
 
+Faker.prototype.seed = function(value) {
+  var Random = require('./random');
+  this.seedValue = value;
+  this.random = new Random(this, this.seedValue);
+}
 module['exports'] = Faker;
+
 },{"./address":1,"./commerce":2,"./company":3,"./date":4,"./fake":5,"./finance":6,"./hacker":7,"./helpers":8,"./image":9,"./internet":11,"./lorem":125,"./name":126,"./phone_number":127,"./random":128}],11:[function(require,module,exports){
 var password_generator = require('../vendor/password-generator.js'),
     random_ua = require('../vendor/user-agent');
@@ -1741,7 +1745,7 @@ module["exports"] = [
 
 },{}],30:[function(require,module,exports){
 module.exports=require(28)
-},{"/Users/a/dev/faker.js/lib/locales/de_AT/company/legal_form.js":28}],31:[function(require,module,exports){
+},{"/Users/brandondail/.dev/Faker/faker.js/lib/locales/de_AT/company/legal_form.js":28}],31:[function(require,module,exports){
 var de_AT = {};
 module['exports'] = de_AT;
 de_AT.title = "German (Austria)";
@@ -5275,7 +5279,7 @@ module["exports"] = [
 
 },{}],53:[function(require,module,exports){
 module.exports=require(52)
-},{"/Users/a/dev/faker.js/lib/locales/en/address/postcode.js":52}],54:[function(require,module,exports){
+},{"/Users/brandondail/.dev/Faker/faker.js/lib/locales/en/address/postcode.js":52}],54:[function(require,module,exports){
 module["exports"] = [
   "Apt. ###",
   "Suite ###"
@@ -5905,7 +5909,7 @@ module["exports"] = [
 
 },{}],70:[function(require,module,exports){
 arguments[4][26][0].apply(exports,arguments)
-},{"./formats":69,"/Users/a/dev/faker.js/lib/locales/de_AT/cell_phone/index.js":26}],71:[function(require,module,exports){
+},{"./formats":69,"/Users/brandondail/.dev/Faker/faker.js/lib/locales/de_AT/cell_phone/index.js":26}],71:[function(require,module,exports){
 module["exports"] = [
   "red",
   "green",
@@ -8791,7 +8795,7 @@ module["exports"] = [
 
 },{}],108:[function(require,module,exports){
 module.exports=require(33)
-},{"/Users/a/dev/faker.js/lib/locales/de_AT/internet/free_email.js":33}],109:[function(require,module,exports){
+},{"/Users/brandondail/.dev/Faker/faker.js/lib/locales/de_AT/internet/free_email.js":33}],109:[function(require,module,exports){
 var internet = {};
 module['exports'] = internet;
 internet.free_email = require("./free_email");
@@ -13554,7 +13558,7 @@ module["exports"] = [
 
 },{}],121:[function(require,module,exports){
 arguments[4][42][0].apply(exports,arguments)
-},{"./formats":120,"/Users/a/dev/faker.js/lib/locales/de_AT/phone_number/index.js":42}],122:[function(require,module,exports){
+},{"./formats":120,"/Users/brandondail/.dev/Faker/faker.js/lib/locales/de_AT/phone_number/index.js":42}],122:[function(require,module,exports){
 module["exports"] = [
   "ants",
   "bats",
@@ -13814,8 +13818,16 @@ module['exports'] = Phone;
 },{}],128:[function(require,module,exports){
 var mersenne = require('../vendor/mersenne');
 
-function Random (faker) {
-
+function Random (faker, seed) {
+  // Use a user provided seed if it exists
+  if (seed) {
+    if (Array.isArray(seed) && seed.length) {
+      mersenne.seed_array(seed);
+    }
+    else {
+      mersenne.seed(seed);
+    }
+  }
   // returns a single random number based on a max number or range
   this.number = function (options) {
 
@@ -13842,7 +13854,7 @@ function Random (faker) {
     var max = options.max;
     if (max >= 0) {
       max += options.precision;
-    } 
+    }
 
     var randomNumber = options.precision * Math.floor(
       mersenne.rand(max / options.precision, options.min / options.precision));
@@ -14004,7 +14016,7 @@ function MersenneTwister19937()
 		//c//mt[0]= s & 0xffffffff;
 		mt[0]= unsigned32(s & 0xffffffff);
 		for (mti=1; mti<N; mti++) {
-			mt[mti] = 
+			mt[mti] =
 			//c//(1812433253 * (mt[mti-1] ^ (mt[mti-1] >> 30)) + mti);
 			addition32(multiplication32(1812433253, unsigned32(mt[mti-1] ^ (mt[mti-1] >>> 30))), mti);
 			/* See Knuth TAOCP Vol2. 3rd Ed. P.106 for multiplier. */
@@ -14034,7 +14046,7 @@ function MersenneTwister19937()
 			//c//mt[i] = (mt[i] ^ ((mt[i-1] ^ (mt[i-1] >> 30)) * 1664525))
 			//c//	+ init_key[j] + j; /* non linear */
 			mt[i] = addition32(addition32(unsigned32(mt[i] ^ multiplication32(unsigned32(mt[i-1] ^ (mt[i-1] >>> 30)), 1664525)), init_key[j]), j);
-			mt[i] = 
+			mt[i] =
 			//c//mt[i] &= 0xffffffff; /* for WORDSIZE > 32 machines */
 			unsigned32(mt[i] & 0xffffffff);
 			i++; j++;
@@ -14186,7 +14198,6 @@ exports.seed_array = function(A) {
     gen.init_by_array(A);
 }
 
-
 },{}],131:[function(require,module,exports){
 /*
  * password-generator

diff --git a/build/build/locales/de_AT/faker.de_AT.min.js b/build/build/locales/de_AT/faker.de_AT.min.js