Add support for Turkish language (#41)

* Add support for Turkish

* Add test cases for Turkish

* Add Support for Turkish

Author: forzagreen

README.md

@@ -44,6 +44,7 @@ Currently supported languages are:
 - French `lang = "fr"`
 - Esperanto `lang = "eo"`
 - Vietnamese `lang = "vi"`
+- Turkish `lang = "tr"`
 - English (Indian) `lang = "enIndian"`
 
 ### Spanish Example

lib/i18n/tr.json

@@ -0,0 +1,52 @@
+{
+  "useLongScale": false,
+  "baseSeparator": " ",
+  "unitSeparator": "",
+  "base": {
+    "0": "sıfır",
+    "1": "bir",
+    "2": "iki",
+    "3": "üç",
+    "4": "dört",
+    "5": "beş",
+    "6": "altı",
+    "7": "yedi",
+    "8": "sekiz",
+    "9": "dokuz",
+    "10": "on",
+    "20": "yirmi",
+    "30": "otuz",
+    "40": "kırk",
+    "50": "elli",
+    "60": "altmış",
+    "70": "yetmiş",
+    "80": "seksen",
+    "90": "doksan"
+  },
+  "units" : [
+    { 
+      "singular": "yüz",
+      "avoidPrefixException": [1]
+    },
+    { 
+      "singular": "bin",
+      "avoidPrefixException": [1]
+    },
+    "milyon",
+    "milyar",
+    "trilyon",
+    "katrilyon",
+    "kentilyon",
+    "sekstilyon",
+    "septilyon",
+    "oktilyon",
+    "nonilyon",
+    "desilyon",
+    "andesilyon",
+    "dodesilyon",
+    "tredesilyon",
+    "katordesilyon",
+    "kendesilyon"
+  ],
+  "unitExceptions": []
+}

lib/index.js

@@ -2,7 +2,7 @@
 exports = module.exports = writtenNumber;
 var util = require("./util");
 
-var languages = ["en", "es", "pt", "fr", "eo", "it", "vi"];
+var languages = ["en", "es", "pt", "fr", "eo", "it", "vi", "tr"];
 var i18n = {
   en: require("./i18n/en.json"),
   es: require("./i18n/es.json"),
@@ -11,6 +11,7 @@ var i18n = {
   eo: require("./i18n/eo.json"),
   it: require("./i18n/it.json"),
   vi: require("./i18n/vi.json"),
+  tr: require("./i18n/tr.json"),
   enIndian: require("./i18n/en-indian.json")
 };
 exports.i18n = i18n;

test/index.test.js

@@ -434,4 +434,82 @@ describe("written-number", function() {
       );
     });
   });
+
+  describe("writtenNumber(n, { lang: 'tr', ... })", function() {
+    before(function() {
+      writtenNumber.defaults.lang = "tr";
+    });
+
+    it("gets exposed", function() {
+      should.exist(writtenNumber);
+      writtenNumber.should.be.instanceof(Function);
+    });
+
+    it("doesn't blow up weirdly with invalid input", function() {
+      writtenNumber("asdfasdfasdf").should.equal("");
+      writtenNumber("0.as").should.equal("");
+      writtenNumber("0.123").should.equal("sıfır");
+      writtenNumber("0.8").should.equal("bir");
+      writtenNumber("2.8").should.equal("üç");
+      writtenNumber("asdf.8").should.equal("");
+      writtenNumber("120391938123..").should.equal("");
+      writtenNumber("1/3").should.equal("");
+      writtenNumber(1 / 3).should.equal("sıfır");
+      writtenNumber("1/2").should.equal("");
+      writtenNumber("1.123/2").should.equal("");
+    });
+
+    it("correctly converts numbers < 10", function() {
+      writtenNumber(0).should.equal("sıfır");
+      writtenNumber(3).should.equal("üç");
+      writtenNumber(6).should.equal("altı");
+    });
+
+    it("correctly converts numbers < 20", function() {
+      writtenNumber(13).should.equal("on üç");
+      writtenNumber(19).should.equal("on dokuz");
+    });
+
+    it("correctly converts numbers < 100", function() {
+      writtenNumber(20).should.equal("yirmi");
+      writtenNumber(25).should.equal("yirmi beş");
+      writtenNumber(40).should.equal("kırk");
+      writtenNumber(88).should.equal("seksen sekiz");
+      writtenNumber(73).should.equal("yetmiş üç");
+    });
+
+    it("correctly converts numbers < 1000", function() {
+      writtenNumber(200).should.equal("iki yüz");
+      writtenNumber(242).should.equal("iki yüz kırk iki");
+      writtenNumber(1234).should.equal(
+        "bin iki yüz otuz dört"
+      );
+      writtenNumber(4323).should.equal(
+        "dört bin üç yüz yirmi üç"
+      );
+    });
+
+    it("correctly converts numbers > 1000", function() {
+      writtenNumber(4323000).should.equal(
+        "dört milyon üç yüz yirmi üç bin"
+      );
+      writtenNumber(4323055).should.equal(
+        "dört milyon üç yüz yirmi üç bin elli beş"
+      );
+      writtenNumber(1570025).should.equal(
+        "bir milyon beş yüz yetmiş bin yirmi beş"
+      );
+    });
+
+    it("correctly converts numbers > 1 000 000 000", function() {
+      writtenNumber(1000000000).should.equal("bir milyar");
+      writtenNumber(2580000000).should.equal(
+        "iki milyar beş yüz seksen milyon"
+      );
+      writtenNumber(1000000000000).should.equal("bir trilyon");
+      writtenNumber(3627000000000).should.equal(
+        "üç trilyon altı yüz yirmi yedi milyar"
+      );
+    });
+  });
 });