From 1c2eb49fabc24540c19eb2e8bd97667caa799e65 Mon Sep 17 00:00:00 2001
From: wael <wael.tellat@gmail.com>
Date: Tue, 25 Feb 2020 21:16:26 +0100
Subject: [PATCH] Add no: Norwegian

---
 README.md       |  3 ++-
 index.js        | 19 +++++++++++++-
 package.json    |  3 ++-
 test/test_no.js | 69 +++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 91 insertions(+), 3 deletions(-)
 create mode 100644 test/test_no.js

diff --git a/README.md b/README.md
index 5e88ca2..7f09d6f 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 [![Coverage Status](https://coveralls.io/repos/github/forzagreen/n2words/badge.svg?branch=master)](https://coveralls.io/github/forzagreen/n2words?branch=master)
 [![npm](https://img.shields.io/npm/v/n2words.svg)](https://www.npmjs.com/package/n2words)
 
-Convert numbers to words
+Convert numbers to words, in multiple languages
 
 ## Install
 
@@ -33,6 +33,7 @@ n2words(123, {lang: 'es'})   // 'ciento veintitrés'
 - `es` (Spanish)
 - `fr` (French)
 - `it` (Italian)
+- `no` (Norwegian)
 - `pt` (Portuguese)
 - `ru` (Russian)
 - `tr` (Turkish)
diff --git a/index.js b/index.js
index 23130c7..d32a53b 100644
--- a/index.js
+++ b/index.js
@@ -2,7 +2,7 @@
 exports = module.exports = n2words;
 
 
-var supportedLanguages = ['en', 'fr', 'es', 'de', 'pt', 'it', 'tr', 'ru', 'cz']
+var supportedLanguages = ['en', 'fr', 'es', 'de', 'pt', 'it', 'tr', 'ru', 'cz', 'no']
 
 /**
  * Converts numbers to their written form.
@@ -38,6 +38,8 @@ function n2words(n, options) {
     num = new Num2Word_RU();
   } else if (lang === 'CZ') {
     num = new Num2Word_CZ();
+  } else if (lang === 'NO') {
+    num = new Num2Word_NO();
   }
   return num.toCardinal(n);
 }
@@ -862,3 +864,18 @@ function Num2Word_CZ() {
     return words.join(' ')
   }
 }
+
+function Num2Word_NO() {
+  Num2Word_Base.call(this)
+
+  this.cards = [{"1000000000000000000000000000000000": 'quintillard'}, {"1000000000000000000000000000000": 'quintillion'}, {"1000000000000000000000000000": 'quadrillard'}, {"1000000000000000000000000": 'quadrillion'}, {"1000000000000000000000": 'trillard'}, {"1000000000000000000": 'trillion'}, {"1000000000000000": 'billard'}, {"1000000000000": 'billion'}, {"1000000000": 'millard'}, {"1000000": 'million'}, {"1000": 'tusen'}, {"100": 'hundre'}, {"90": 'nitti'}, {"80": 'åtti'}, {"70": 'sytti'}, {"60": 'seksti'}, {"50": 'femti'}, {"40": 'førti'}, {"30": 'tretti'}, {"20": 'tjue'}, {"19": 'nitten'}, {"18": 'atten'}, {"17": 'sytten'}, {"16": 'seksten'}, {"15": 'femten'}, {"14": 'fjorten'}, {"13": 'tretten'}, {"12": 'tolv'}, {"11": 'elleve'}, {"10": 'ti'}, {"9": 'ni'}, {"8": 'åtte'}, {"7": 'syv'}, {"6": 'seks'}, {"5": 'fem'}, {"4": 'fire'}, {"3": 'tre'}, {"2": 'to'}, {"1": 'en'}, {"0": 'null'}]
+  this.merge = (lpair, rpair) => { //{'one':1}, {'hundred':100}
+    var ltext = Object.keys(lpair)[0], lnum = parseInt(Object.values(lpair)[0])
+    var rtext = Object.keys(rpair)[0], rnum = parseInt(Object.values(rpair)[0])
+    if (lnum == 1 && rnum < 100) return { [rtext]: rnum }
+    else if (100 > lnum && lnum > rnum) return { [`${ltext}-${rtext}`]: lnum + rnum }
+    else if (lnum >= 100 && 100 > rnum) return { [`${ltext} og ${rtext}`]: lnum + rnum }
+    else if (rnum > lnum) return { [`${ltext} ${rtext}`]: lnum * rnum }
+    return { [`${ltext}, ${rtext}`]: lnum + rnum }
+  }
+}
\ No newline at end of file
diff --git a/package.json b/package.json
index 885c07e..f5a1754 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,8 @@
     "italian",
     "turkish",
     "russian",
-    "czech"
+    "czech",
+    "norwegian"
   ],
   "author": "Wael TELLAT",
   "license": "MIT",
diff --git a/test/test_no.js b/test/test_no.js
new file mode 100644
index 0000000..4424649
--- /dev/null
+++ b/test/test_no.js
@@ -0,0 +1,69 @@
+const assert = require('assert');
+const n2words = require('../index.js');
+
+const testCasesNorwegian = [
+  [0, 'null'],
+  [1, 'en'],
+  [2, 'to'],
+  [3, 'tre'],
+  [11, 'elleve'],
+  [12, 'tolv'],
+  [16, 'seksten'],
+  [19, 'nitten'],
+  [20, 'tjue'],
+  [21, 'tjue-en'],
+  [26, 'tjue-seks'],
+  [28, 'tjue-åtte'],
+  [30, 'tretti'],
+  [31, 'tretti-en'],
+  [40, 'førti'],
+  [44, 'førti-fire'],
+  [50, 'femti'],
+  [55, 'femti-fem'],
+  [60, 'seksti'],
+  [67, 'seksti-syv'],
+  [70, 'sytti'],
+  [79, 'sytti-ni'],
+  [89, 'åtti-ni'],
+  [95, 'nitti-fem'],
+  [100, 'en hundre'],
+  [101, 'en hundre og en'],
+  [199, 'en hundre og nitti-ni'],
+  [203, 'to hundre og tre'],
+  [287, 'to hundre og åtti-syv'],
+  [356, 'tre hundre og femti-seks'],
+  [400, 'fire hundre'],
+  [434, 'fire hundre og tretti-fire'],
+  [578, 'fem hundre og sytti-åtte'],
+  [689, 'seks hundre og åtti-ni'],
+  [729, 'syv hundre og tjue-ni'],
+  [894, 'åtte hundre og nitti-fire'],
+  [999, 'ni hundre og nitti-ni'],
+  [1000, 'en tusen'],
+  [1001, 'en tusen og en'],
+  [1097, 'en tusen og nitti-syv'],
+  [1104, 'en tusen, en hundre og fire'],
+  [1243, 'en tusen, to hundre og førti-tre'],
+  [2385, 'to tusen, tre hundre og åtti-fem'],
+  [3766, 'tre tusen, syv hundre og seksti-seks'],
+  [4196, 'fire tusen, en hundre og nitti-seks'],
+  [5846, 'fem tusen, åtte hundre og førti-seks'],
+  [6459, 'seks tusen, fire hundre og femti-ni'],
+  [7232, 'syv tusen, to hundre og tretti-to'],
+  [8569, 'åtte tusen, fem hundre og seksti-ni'],
+  [9539, 'ni tusen, fem hundre og tretti-ni'],
+  [1000000, 'en million'],
+  [1000001, 'en million og en'],
+  [4000000, 'fire million'],
+  [10000000000000, 'ti billion'],
+  [100000000000000, 'en hundre billion'],
+  [1000000000000000000, 'en trillion']
+]
+
+describe('Norwegian', function () {
+  it('should convert numbers correctly (Norwegian)', function () {
+    for (let i = 0; i < testCasesNorwegian.length; i++) {
+      assert.equal(n2words(testCasesNorwegian[i][0], { lang: 'no' }), testCasesNorwegian[i][1])
+    }
+  });
+});