fast-plural-rules - npm Package Compare versions

Comparing version 0.0.3 to 1.0.0

dist/index.d.ts

 declare function getPluralFormForCardinalByLocale (locale: string, count: number): number
+declare function getPluralFormNameForCardinalByLocale (locale: string, count: number): string
+
 declare function getPluralFormForCardinalByIndex (index: number, count: number): number
+declare function getPluralFormNameForCardinalByIndex (index: number, count: number): string
 
 declare function getPluralRuleForCardinalsByLocale (locale: string): Function
+declare function getPluralRuleForNamedFormsForCardinalsByLocale (locale: string): Function
+
 declare function getPluralRuleForCardinalsByIndex (index: number): Function
+declare function getPluralRuleForNamedFormsForCardinalsByIndex (index: number): Function
 
 export {
   getPluralFormForCardinalByLocale, getPluralRuleForCardinalsByLocale,
-  getPluralFormForCardinalByIndex, getPluralRuleForCardinalsByIndex
+  getPluralFormNameForCardinalByLocale, getPluralRuleForNamedFormsForCardinalsByLocale,
+  getPluralFormForCardinalByIndex, getPluralRuleForCardinalsByIndex,
+  getPluralFormNameForCardinalByIndex, getPluralRuleForNamedFormsForCardinalsByIndex
 }
 
 export as namespace fastPluralRules

dist/index.js

@@ -5,73 +5,27 @@ 'use strict';
 
-var cardinals = {
+const cardinals = {
   rules: [
-  function () {
-    return 0;
-  },
-  function (n) {
-    return n === 1 ? 0 : 1;
-  },
-  function (n) {
-    return n <= 1 ? 0 : 1;
-  },
-  function (n) {
-    return n % 10 === 1 && n % 100 !== 11 ? 0 : n % 10 !== 0 ? 1 : 2;
-  },
-  function (n) {
-    return n === 1 || n === 11 ? 0 : n === 2 || n === 12 ? 1 : n > 2 && n < 20 ? 2 : 3;
-  },
-  function (n) {
-    return n === 1 ? 0 : n === 0 || n % 100 > 0 && n % 100 < 20 ? 1 : 2;
-  },
-  function (n) {
-    return n % 10 === 1 && n % 100 !== 11 ? 0 : n % 10 >= 2 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2;
-  },
-  function (n) {
-    return n % 10 === 1 && n % 100 !== 11 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2;
-  },
-  function (n) {
-    return n === 1 ? 0 : n >= 2 && n <= 4 ? 1 : 2;
-  },
-  function (n) {
-    return n === 1 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2;
-  },
-  function (n) {
-    return n % 100 === 1 ? 0 : n % 100 === 2 ? 1 : n % 100 === 3 || n % 100 === 4 ? 2 : 3;
-  },
-  function (n) {
-    return n === 1 ? 0 : n === 2 ? 1 : n > 2 && n < 7 ? 2 : n > 6 && n < 11 ? 3 : 4;
-  },
-  function (n) {
-    return n === 1 ? 0 : n === 2 ? 1 : n % 100 >= 3 && n % 100 <= 10 ? 2 : n % 100 >= 11 ? 3 : n !== 0 ? 4 : 5;
-  },
-  function (n) {
-    return n === 1 ? 0 : n === 0 || n % 100 > 1 && n % 100 < 11 ? 1 : n % 100 > 10 && n % 100 < 20 ? 2 : 3;
-  },
-  function (n) {
-    return n % 10 === 1 ? 0 : n % 10 === 2 ? 1 : 2;
-  },
-  function (n) {
-    return n % 10 === 1 && n % 100 !== 11 ? 0 : 1;
-  },
-  function (n) {
-    return n % 10 === 1 && n % 100 !== 11 && n % 100 !== 71 && n % 100 !== 91 ? 0 : n % 10 === 2 && n % 100 !== 12 && n % 100 !== 72 && n % 100 !== 92 ? 2 : n % 10 === 3 && n % 100 !== 13 && n % 100 !== 73 && n % 100 !== 93 ? 3 : n % 10 === 4 && n % 100 !== 14 && n % 100 !== 74 && n % 100 !== 94 ? 3 : n % 10 === 9 && n % 100 !== 19 && n % 100 !== 79 && n % 100 !== 99 ? 3 : 4;
-  },
-  function (n) {
-    return n !== 0 ? 0 : 1;
-  },
-  function (n) {
-    return n === 1 ? 0 : n === 2 ? 1 : n === 3 ? 2 : n === 6 ? 3 : n !== 0 ? 4 : 5;
-  },
-  function (n) {
-    return n === 1 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2;
-  },
-  function (n) {
-    return n === 1 ? 0 : n === 2 ? 1 : n === 3 ? 2 : 3;
-  },
-  function (n) {
-    return n % 10 === 1 && n % 100 !== 11 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2;
-  },
-  function (n) {
-    return n === 0 ? 0 : n === 1 ? 1 : 2;
-  }],
+  () => 0,
+  n => n === 1 ? 0 : 1,
+  n => n <= 1 ? 0 : 1,
+  n => n % 10 === 1 && n % 100 !== 11 ? 1 : n % 10 !== 0 ? 2 : 0,
+  n => n === 1 || n === 11 ? 0 : n === 2 || n === 12 ? 1 : n > 2 && n < 20 ? 2 : 3,
+  n => n === 1 ? 0 : n === 0 || n % 100 > 0 && n % 100 < 20 ? 1 : 2,
+  n => n % 10 === 1 && n % 100 !== 11 ? 0 : n % 10 >= 2 && (n % 100 < 10 || n % 100 >= 20) ? 2 : 1,
+  n => n % 10 === 1 && n % 100 !== 11 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2,
+  n => n === 1 ? 0 : n >= 2 && n <= 4 ? 1 : 2,
+  n => n === 1 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2,
+  n => n % 100 === 1 ? 0 : n % 100 === 2 ? 1 : n % 100 === 3 || n % 100 === 4 ? 2 : 3,
+  n => n === 1 ? 0 : n === 2 ? 1 : n > 2 && n < 7 ? 2 : n > 6 && n < 11 ? 3 : 4,
+  n => n === 1 ? 0 : n === 2 ? 1 : n % 100 >= 3 && n % 100 <= 10 ? 2 : n % 100 >= 11 ? 3 : n !== 0 ? 4 : 5,
+  n => n === 1 ? 0 : n === 0 || n % 100 > 0 && n % 100 < 11 ? 1 : n % 100 > 10 && n % 100 < 20 ? 2 : 3,
+  n => n % 10 === 1 ? 0 : n % 10 === 2 ? 1 : 2,
+  n => n % 10 === 1 && n % 100 !== 11 ? 0 : 1,
+  n => n % 10 === 1 && n % 100 !== 11 && n % 100 !== 71 && n % 100 !== 91 ? 0 : n % 10 === 2 && n % 100 !== 12 && n % 100 !== 72 && n % 100 !== 92 ? 1 : (n % 10 === 3 || n % 10 === 4 || n % 10 === 9) && n % 100 !== 13 && n % 100 !== 73 && n % 100 !== 93 && n % 100 !== 14 && n % 100 !== 74 && n % 100 !== 94 && n % 100 !== 19 && n % 100 !== 79 && n % 100 !== 99 ? 2 : n !== 0 && n % 1000000 === 0 ? 3 : 4,
+  n => n !== 0 ? 1 : 0,
+  n => n === 1 ? 1 : n === 2 ? 2 : n === 3 ? 3 : n === 6 ? 4 : n !== 0 ? 5 : 0,
+  n => n === 1 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2,
+  n => n === 1 ? 0 : n === 2 ? 1 : n === 3 ? 2 : 3,
+  n => n % 10 === 1 && n % 100 !== 11 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2,
+  n => n === 0 ? 0 : n === 1 ? 1 : 2],
   rulesByLocale: {
@@ -222,7 +176,32 @@ ach: 2,
     'zh-tw': 2
-  }
+  },
+  formsByIndex: [['other'],
+  ['one', 'other'],
+  ['one', 'other'],
+  ['zero', 'one', 'other'],
+  ['one', 'two', 'few', 'other'],
+  ['one', 'few', 'other'],
+  ['one', 'few', 'other'],
+  ['one', 'few', 'other'],
+  ['one', 'few', 'other'],
+  ['one', 'few', 'other'],
+  ['one', 'two', 'few', 'other'],
+  ['one', 'two', 'few', 'many', 'other'],
+  ['one', 'two', 'few', 'many', 'other', 'zero'],
+  ['one', 'few', 'many', 'other'],
+  ['one', 'few', 'other'],
+  ['one', 'other'],
+  ['one', 'two', 'few', 'many', 'other'],
+  ['zero', 'other'],
+  ['zero', 'one', 'two', 'few', 'many', 'other'],
+  ['one', 'few', 'other'],
+  ['one', 'two', 'few', 'other'],
+  ['one', 'few', 'other'],
+  ['zero', 'one', 'other']
+  ]
 };
 
-var rules = cardinals.rules,
-    rulesByLocale = cardinals.rulesByLocale;
+const rules = cardinals.rules,
+      rulesByLocale = cardinals.rulesByLocale,
+      formsByIndex = cardinals.formsByIndex;
 function normalizeLocale(locale) {
@@ -232,36 +211,69 @@ return locale.toLowerCase().replace('_', '-');
 function getLanguage(locale) {
-  var separator = locale.indexOf('-');
+  const separator = locale.indexOf('-');
   return separator > 0 ? locale.substr(0, separator) : locale;
 }
-function getPluralRuleForCardinalsByLocale(locale) {
+function getPluralRuleIndexForCardinalsByLocale(locale) {
   locale = normalizeLocale(locale);
-  var index = rulesByLocale[locale];
+  let index = rulesByLocale[locale];
   if (index === undefined) {
-    var language = getLanguage(locale);
+    const language = getLanguage(locale);
     index = rulesByLocale[language];
   }
   if (index === undefined) {
-    throw new Error("Unrecognized locale: \"" + locale + "\".");
+    throw new Error(`Unrecognized locale: "${locale}".`);
   }
+  return index;
+}
+function adaptPluralRuleForFormName(rule, index) {
+  const forms = formsByIndex[index];
+  return function (count) {
+    return forms[rule(count)];
+  };
+}
+function getPluralRuleForCardinalsByLocale(locale) {
+  const index = getPluralRuleIndexForCardinalsByLocale(locale);
   return rules[index];
 }
 function getPluralRuleForCardinalsByIndex(index) {
-  var rule = rules[index];
+  const rule = rules[index];
   if (rule === undefined) {
-    throw new Error("Invalid index: \"" + index + "\".");
+    throw new Error(`Invalid index: "${index}".`);
   }
   return rule;
 }
+function getPluralRuleForNamedFormsForCardinalsByLocale(locale) {
+  const index = getPluralRuleIndexForCardinalsByLocale(locale);
+  return adaptPluralRuleForFormName(rules[index], index);
+}
+function getPluralRuleForNamedFormsForCardinalsByIndex(index) {
+  const rule = rules[index];
+  if (rule === undefined) {
+    throw new Error(`Invalid index: "${index}".`);
+  }
+  return adaptPluralRuleForFormName(rules[index], index);
+}
 function getPluralFormForCardinalByLocale(locale, count) {
-  var rule = getPluralRuleForCardinalsByLocale(locale);
+  const rule = getPluralRuleForCardinalsByLocale(locale);
   return rule(count);
 }
 function getPluralFormForCardinalByIndex(index, count) {
-  var rule = getPluralRuleForCardinalsByIndex(index);
+  const rule = getPluralRuleForCardinalsByIndex(index);
   return rule(count);
 }
+function getPluralFormNameForCardinalByLocale(locale, count) {
+  const rule = getPluralRuleForNamedFormsForCardinalsByLocale(locale);
+  return rule(count);
+}
+function getPluralFormNameForCardinalByIndex(index, count) {
+  const rule = getPluralRuleForNamedFormsForCardinalsByIndex(index);
+  return rule(count);
+}
 
 exports.getPluralFormForCardinalByIndex = getPluralFormForCardinalByIndex;
 exports.getPluralFormForCardinalByLocale = getPluralFormForCardinalByLocale;
+exports.getPluralFormNameForCardinalByIndex = getPluralFormNameForCardinalByIndex;
+exports.getPluralFormNameForCardinalByLocale = getPluralFormNameForCardinalByLocale;
 exports.getPluralRuleForCardinalsByIndex = getPluralRuleForCardinalsByIndex;
 exports.getPluralRuleForCardinalsByLocale = getPluralRuleForCardinalsByLocale;
+exports.getPluralRuleForNamedFormsForCardinalsByIndex = getPluralRuleForNamedFormsForCardinalsByIndex;
+exports.getPluralRuleForNamedFormsForCardinalsByLocale = getPluralRuleForNamedFormsForCardinalsByLocale;

dist/index.umd.js

@@ -1,2 +0,329 @@
-!function(n,r){"object"==typeof exports&&"undefined"!=typeof module?r(exports):"function"==typeof define&&define.amd?define(["exports"],r):r((n=n||self).fastPluralRules={})}(this,function(n){"use strict";var o=[function(){return 0},function(n){return 1===n?0:1},function(n){return n<=1?0:1},function(n){return n%10==1&&n%100!=11?0:n%10!=0?1:2},function(n){return 1===n||11===n?0:2===n||12===n?1:2<n&&n<20?2:3},function(n){return 1===n?0:0===n||0<n%100&&n%100<20?1:2},function(n){return n%10==1&&n%100!=11?0:2<=n%10&&(n%100<10||20<=n%100)?1:2},function(n){return n%10==1&&n%100!=11?0:2<=n%10&&n%10<=4&&(n%100<10||20<=n%100)?1:2},function(n){return 1===n?0:2<=n&&n<=4?1:2},function(n){return 1===n?0:2<=n%10&&n%10<=4&&(n%100<10||20<=n%100)?1:2},function(n){return n%100==1?0:n%100==2?1:n%100==3||n%100==4?2:3},function(n){return 1===n?0:2===n?1:2<n&&n<7?2:6<n&&n<11?3:4},function(n){return 1===n?0:2===n?1:3<=n%100&&n%100<=10?2:11<=n%100?3:0!==n?4:5},function(n){return 1===n?0:0===n||1<n%100&&n%100<11?1:10<n%100&&n%100<20?2:3},function(n){return n%10==1?0:n%10==2?1:2},function(n){return n%10==1&&n%100!=11?0:1},function(n){return n%10==1&&n%100!=11&&n%100!=71&&n%100!=91?0:n%10==2&&n%100!=12&&n%100!=72&&n%100!=92?2:n%10==3&&n%100!=13&&n%100!=73&&n%100!=93?3:n%10==4&&n%100!=14&&n%100!=74&&n%100!=94?3:n%10==9&&n%100!=19&&n%100!=79&&n%100!=99?3:4},function(n){return 0!==n?0:1},function(n){return 1===n?0:2===n?1:3===n?2:6===n?3:0!==n?4:5},function(n){return 1===n?0:2<=n%10&&n%10<=4&&(n%100<10||20<=n%100)?1:2},function(n){return 1===n?0:2===n?1:3===n?2:3},function(n){return n%10==1&&n%100!=11?0:2<=n%10&&n%10<=4&&(n%100<10||20<=n%100)?1:2},function(n){return 0===n?0:1===n?1:2}],i={ach:2,af:1,ak:2,am:2,an:1,anp:1,ar:12,arn:2,as:1,ast:1,ay:0,az:1,be:7,bg:1,bn:1,bo:0,br:2,brx:1,bs:7,ca:1,cgg:0,cs:8,csb:19,cy:18,da:1,de:1,doi:1,dz:0,el:1,en:1,eo:1,es:1,"es-ar":1,et:1,eu:1,fa:2,ff:1,fi:1,fil:2,fo:1,fr:2,fur:1,fy:1,ga:11,gd:4,gl:1,gu:1,gun:2,ha:1,he:1,hi:1,hne:1,hr:7,hu:1,hy:1,ia:1,id:0,is:15,it:1,ja:0,jbo:0,jv:17,ka:0,kk:1,kl:1,km:0,kn:1,ko:0,ku:1,kw:20,ky:1,lb:1,ln:2,lo:0,lt:6,lv:3,mai:1,me:21,mfe:2,mg:2,mi:2,mk:15,ml:1,mn:1,mni:1,mnk:22,mr:1,ms:0,mt:13,my:0,nah:1,nap:1,nb:1,ne:1,nl:1,nn:1,no:1,nso:1,oc:2,or:1,pa:1,pap:1,pl:9,pms:1,ps:1,pt:1,"pt-br":2,rm:1,ro:5,ru:7,rw:1,sah:0,sat:1,sco:1,sd:1,se:1,si:1,sk:8,sl:10,so:1,son:1,sq:1,sr:7,su:0,sv:1,sw:1,ta:1,te:1,tg:2,th:0,ti:2,tk:1,tr:2,tt:0,ug:0,uk:7,ur:1,uz:2,vi:0,wa:2,wo:0,yo:1,"zh-cn":0,"zh-tw":2};function t(n){n=n.toLowerCase().replace("_","-");var r,t,e=i[n];if(void 0===e){var u=0<(t=(r=n).indexOf("-"))?r.substr(0,t):r;e=i[u]}if(void 0===e)throw new Error('Unrecognized locale: "'+n+'".');return o[e]}function e(n){var r=o[n];if(void 0===r)throw new Error('Invalid index: "'+n+'".');return r}n.getPluralFormForCardinalByIndex=function(n,r){return e(n)(r)},n.getPluralFormForCardinalByLocale=function(n,r){return t(n)(r)},n.getPluralRuleForCardinalsByIndex=e,n.getPluralRuleForCardinalsByLocale=t,Object.defineProperty(n,"__esModule",{value:!0})});
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+  typeof define === 'function' && define.amd ? define(['exports'], factory) :
+  (global = global || self, factory(global.fastPluralRules = {}));
+}(this, function (exports) { 'use strict';
+
+  var cardinals = {
+    rules: [
+    function () {
+      return 0;
+    },
+    function (n) {
+      return n === 1 ? 0 : 1;
+    },
+    function (n) {
+      return n <= 1 ? 0 : 1;
+    },
+    function (n) {
+      return n % 10 === 1 && n % 100 !== 11 ? 1 : n % 10 !== 0 ? 2 : 0;
+    },
+    function (n) {
+      return n === 1 || n === 11 ? 0 : n === 2 || n === 12 ? 1 : n > 2 && n < 20 ? 2 : 3;
+    },
+    function (n) {
+      return n === 1 ? 0 : n === 0 || n % 100 > 0 && n % 100 < 20 ? 1 : 2;
+    },
+    function (n) {
+      return n % 10 === 1 && n % 100 !== 11 ? 0 : n % 10 >= 2 && (n % 100 < 10 || n % 100 >= 20) ? 2 : 1;
+    },
+    function (n) {
+      return n % 10 === 1 && n % 100 !== 11 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2;
+    },
+    function (n) {
+      return n === 1 ? 0 : n >= 2 && n <= 4 ? 1 : 2;
+    },
+    function (n) {
+      return n === 1 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2;
+    },
+    function (n) {
+      return n % 100 === 1 ? 0 : n % 100 === 2 ? 1 : n % 100 === 3 || n % 100 === 4 ? 2 : 3;
+    },
+    function (n) {
+      return n === 1 ? 0 : n === 2 ? 1 : n > 2 && n < 7 ? 2 : n > 6 && n < 11 ? 3 : 4;
+    },
+    function (n) {
+      return n === 1 ? 0 : n === 2 ? 1 : n % 100 >= 3 && n % 100 <= 10 ? 2 : n % 100 >= 11 ? 3 : n !== 0 ? 4 : 5;
+    },
+    function (n) {
+      return n === 1 ? 0 : n === 0 || n % 100 > 0 && n % 100 < 11 ? 1 : n % 100 > 10 && n % 100 < 20 ? 2 : 3;
+    },
+    function (n) {
+      return n % 10 === 1 ? 0 : n % 10 === 2 ? 1 : 2;
+    },
+    function (n) {
+      return n % 10 === 1 && n % 100 !== 11 ? 0 : 1;
+    },
+    function (n) {
+      return n % 10 === 1 && n % 100 !== 11 && n % 100 !== 71 && n % 100 !== 91 ? 0 : n % 10 === 2 && n % 100 !== 12 && n % 100 !== 72 && n % 100 !== 92 ? 1 : (n % 10 === 3 || n % 10 === 4 || n % 10 === 9) && n % 100 !== 13 && n % 100 !== 73 && n % 100 !== 93 && n % 100 !== 14 && n % 100 !== 74 && n % 100 !== 94 && n % 100 !== 19 && n % 100 !== 79 && n % 100 !== 99 ? 2 : n !== 0 && n % 1000000 === 0 ? 3 : 4;
+    },
+    function (n) {
+      return n !== 0 ? 1 : 0;
+    },
+    function (n) {
+      return n === 1 ? 1 : n === 2 ? 2 : n === 3 ? 3 : n === 6 ? 4 : n !== 0 ? 5 : 0;
+    },
+    function (n) {
+      return n === 1 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2;
+    },
+    function (n) {
+      return n === 1 ? 0 : n === 2 ? 1 : n === 3 ? 2 : 3;
+    },
+    function (n) {
+      return n % 10 === 1 && n % 100 !== 11 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2;
+    },
+    function (n) {
+      return n === 0 ? 0 : n === 1 ? 1 : 2;
+    }],
+    rulesByLocale: {
+      ach: 2,
+      af: 1,
+      ak: 2,
+      am: 2,
+      an: 1,
+      anp: 1,
+      ar: 12,
+      arn: 2,
+      as: 1,
+      ast: 1,
+      ay: 0,
+      az: 1,
+      be: 7,
+      bg: 1,
+      bn: 1,
+      bo: 0,
+      br: 2,
+      brx: 1,
+      bs: 7,
+      ca: 1,
+      cgg: 0,
+      cs: 8,
+      csb: 19,
+      cy: 18,
+      da: 1,
+      de: 1,
+      doi: 1,
+      dz: 0,
+      el: 1,
+      en: 1,
+      eo: 1,
+      es: 1,
+      'es-ar': 1,
+      et: 1,
+      eu: 1,
+      fa: 2,
+      ff: 1,
+      fi: 1,
+      fil: 2,
+      fo: 1,
+      fr: 2,
+      fur: 1,
+      fy: 1,
+      ga: 11,
+      gd: 4,
+      gl: 1,
+      gu: 1,
+      gun: 2,
+      ha: 1,
+      he: 1,
+      hi: 1,
+      hne: 1,
+      hr: 7,
+      hu: 1,
+      hy: 1,
+      ia: 1,
+      id: 0,
+      is: 15,
+      it: 1,
+      ja: 0,
+      jbo: 0,
+      jv: 17,
+      ka: 0,
+      kk: 1,
+      kl: 1,
+      km: 0,
+      kn: 1,
+      ko: 0,
+      ku: 1,
+      kw: 20,
+      ky: 1,
+      lb: 1,
+      ln: 2,
+      lo: 0,
+      lt: 6,
+      lv: 3,
+      mai: 1,
+      me: 21,
+      mfe: 2,
+      mg: 2,
+      mi: 2,
+      mk: 15,
+      ml: 1,
+      mn: 1,
+      mni: 1,
+      mnk: 22,
+      mr: 1,
+      ms: 0,
+      mt: 13,
+      my: 0,
+      nah: 1,
+      nap: 1,
+      nb: 1,
+      ne: 1,
+      nl: 1,
+      nn: 1,
+      no: 1,
+      nso: 1,
+      oc: 2,
+      or: 1,
+      pa: 1,
+      pap: 1,
+      pl: 9,
+      pms: 1,
+      ps: 1,
+      pt: 1,
+      'pt-br': 2,
+      rm: 1,
+      ro: 5,
+      ru: 7,
+      rw: 1,
+      sah: 0,
+      sat: 1,
+      sco: 1,
+      sd: 1,
+      se: 1,
+      si: 1,
+      sk: 8,
+      sl: 10,
+      so: 1,
+      son: 1,
+      sq: 1,
+      sr: 7,
+      su: 0,
+      sv: 1,
+      sw: 1,
+      ta: 1,
+      te: 1,
+      tg: 2,
+      th: 0,
+      ti: 2,
+      tk: 1,
+      tr: 2,
+      tt: 0,
+      ug: 0,
+      uk: 7,
+      ur: 1,
+      uz: 2,
+      vi: 0,
+      wa: 2,
+      wo: 0,
+      yo: 1,
+      'zh-cn': 0,
+      'zh-tw': 2
+    },
+    formsByIndex: [['other'],
+    ['one', 'other'],
+    ['one', 'other'],
+    ['zero', 'one', 'other'],
+    ['one', 'two', 'few', 'other'],
+    ['one', 'few', 'other'],
+    ['one', 'few', 'other'],
+    ['one', 'few', 'other'],
+    ['one', 'few', 'other'],
+    ['one', 'few', 'other'],
+    ['one', 'two', 'few', 'other'],
+    ['one', 'two', 'few', 'many', 'other'],
+    ['one', 'two', 'few', 'many', 'other', 'zero'],
+    ['one', 'few', 'many', 'other'],
+    ['one', 'few', 'other'],
+    ['one', 'other'],
+    ['one', 'two', 'few', 'many', 'other'],
+    ['zero', 'other'],
+    ['zero', 'one', 'two', 'few', 'many', 'other'],
+    ['one', 'few', 'other'],
+    ['one', 'two', 'few', 'other'],
+    ['one', 'few', 'other'],
+    ['zero', 'one', 'other']
+    ]
+  };
+
+  var rules = cardinals.rules,
+      rulesByLocale = cardinals.rulesByLocale,
+      formsByIndex = cardinals.formsByIndex;
+  function normalizeLocale(locale) {
+    return locale.toLowerCase().replace('_', '-');
+  }
+  function getLanguage(locale) {
+    var separator = locale.indexOf('-');
+    return separator > 0 ? locale.substr(0, separator) : locale;
+  }
+  function getPluralRuleIndexForCardinalsByLocale(locale) {
+    locale = normalizeLocale(locale);
+    var index = rulesByLocale[locale];
+    if (index === undefined) {
+      var language = getLanguage(locale);
+      index = rulesByLocale[language];
+    }
+    if (index === undefined) {
+      throw new Error("Unrecognized locale: \"" + locale + "\".");
+    }
+    return index;
+  }
+  function adaptPluralRuleForFormName(rule, index) {
+    var forms = formsByIndex[index];
+    return function (count) {
+      return forms[rule(count)];
+    };
+  }
+  function getPluralRuleForCardinalsByLocale(locale) {
+    var index = getPluralRuleIndexForCardinalsByLocale(locale);
+    return rules[index];
+  }
+  function getPluralRuleForCardinalsByIndex(index) {
+    var rule = rules[index];
+    if (rule === undefined) {
+      throw new Error("Invalid index: \"" + index + "\".");
+    }
+    return rule;
+  }
+  function getPluralRuleForNamedFormsForCardinalsByLocale(locale) {
+    var index = getPluralRuleIndexForCardinalsByLocale(locale);
+    return adaptPluralRuleForFormName(rules[index], index);
+  }
+  function getPluralRuleForNamedFormsForCardinalsByIndex(index) {
+    var rule = rules[index];
+    if (rule === undefined) {
+      throw new Error("Invalid index: \"" + index + "\".");
+    }
+    return adaptPluralRuleForFormName(rules[index], index);
+  }
+  function getPluralFormForCardinalByLocale(locale, count) {
+    var rule = getPluralRuleForCardinalsByLocale(locale);
+    return rule(count);
+  }
+  function getPluralFormForCardinalByIndex(index, count) {
+    var rule = getPluralRuleForCardinalsByIndex(index);
+    return rule(count);
+  }
+  function getPluralFormNameForCardinalByLocale(locale, count) {
+    var rule = getPluralRuleForNamedFormsForCardinalsByLocale(locale);
+    return rule(count);
+  }
+  function getPluralFormNameForCardinalByIndex(index, count) {
+    var rule = getPluralRuleForNamedFormsForCardinalsByIndex(index);
+    return rule(count);
+  }
+
+  exports.getPluralFormForCardinalByIndex = getPluralFormForCardinalByIndex;
+  exports.getPluralFormForCardinalByLocale = getPluralFormForCardinalByLocale;
+  exports.getPluralFormNameForCardinalByIndex = getPluralFormNameForCardinalByIndex;
+  exports.getPluralFormNameForCardinalByLocale = getPluralFormNameForCardinalByLocale;
+  exports.getPluralRuleForCardinalsByIndex = getPluralRuleForCardinalsByIndex;
+  exports.getPluralRuleForCardinalsByLocale = getPluralRuleForCardinalsByLocale;
+  exports.getPluralRuleForNamedFormsForCardinalsByIndex = getPluralRuleForNamedFormsForCardinalsByIndex;
+  exports.getPluralRuleForNamedFormsForCardinalsByLocale = getPluralRuleForNamedFormsForCardinalsByLocale;
+
+  Object.defineProperty(exports, '__esModule', { value: true });
+
+}));
 //# sourceMappingURL=index.umd.js.map

package.json

 {
   "name": "fast-plural-rules",
-  "version": "0.0.3",
+  "version": "1.0.0",
   "description": "Evaluates locale-specific plural rules to identify the right plural form for a cardinal number, which represents an item count.",
@@ -40,2 +40,3 @@ "author": {
     "lint:ts": "tslint -t stylish src/*.ts test/*.ts",
+    "generate:plural-rule-definitions": "node util/generate-plural-rule-definitions",
     "generate:browser-tests": "node util/generate-browser-tests",
@@ -50,3 +51,3 @@ "compile": "rollup -c",
     "coverage": "test `node --version | cut -c 2,3` -eq 10 && cat coverage/lcov.info | coveralls",
-    "test": "run-s compile:tests check generate:browser-tests check:browser"
+    "test": "run-s compile:tests generate:plural-rule-definitions check generate:browser-tests check:browser"
   },
@@ -60,2 +61,5 @@ "standard": {
   "jest": {
+    "setupFilesAfterEnv": [
+      "jest-expect-message"
+    ],
     "roots": [
@@ -65,3 +69,3 @@ "test"
     "testMatch": [
-      "**/test/*.js"
+      "**/test/*.test.js"
     ],
@@ -85,4 +89,4 @@ "coverageDirectory": "coverage",
   "devDependencies": {
-    "@babel/core": "7.4.5",
-    "@babel/preset-env": "7.4.5",
+    "@babel/core": "7.5.5",
+    "@babel/preset-env": "7.5.5",
     "babel-core": "7.0.0-bridge.0",
@@ -94,28 +98,29 @@ "babel-jest": "24.8.0",
     "connect": "3.7.0",
-    "coveralls": "3.0.4",
+    "coveralls": "3.0.5",
     "cpy-cli": "2.0.0",
     "es6-promisify": "6.0.1",
-    "eslint-config-standard": "12.0.0",
-    "eslint-plugin-import": "2.17.3",
+    "eslint-config-standard": "13.0.1",
+    "eslint-plugin-import": "2.18.2",
     "eslint-plugin-node": "9.1.0",
-    "eslint-plugin-promise": "4.1.1",
+    "eslint-plugin-promise": "4.2.1",
     "eslint-plugin-standard": "4.0.0",
-    "fast-glob": "2.2.7",
-    "fs-extra": "8.0.1",
+    "fast-glob": "3.0.4",
+    "fs-extra": "8.1.0",
     "jasmine-core": "3.4.0",
     "jest": "24.8.0",
+    "jest-expect-message": "1.0.2",
     "npm-run-all": "4.1.5",
     "plural-rules": "0.0.2",
-    "puppeteer": "1.17.0",
-    "regenerator-runtime": "0.13.2",
+    "puppeteer": "1.19.0",
+    "regenerator-runtime": "0.13.3",
     "rimraf": "2.6.3",
-    "rollup": "1.14.4",
-    "rollup-plugin-babel": "4.3.2",
+    "rollup": "1.17.0",
+    "rollup-plugin-babel": "4.3.3",
     "rollup-plugin-cleanup": "3.1.1",
     "rollup-plugin-uglify": "6.0.2",
     "serve-static": "1.14.1",
-    "standard": "12.0.1",
-    "tslint": "5.17.0",
+    "standard": "13.1.0",
+    "tslint": "5.18.0",
     "tslint-config-standard": "8.0.1",
-    "typescript": "3.5.1"
+    "typescript": "3.5.3"
   },
@@ -122,0 +127,0 @@ "keywords": [

README.md

@@ -16,5 +16,7 @@ # Fast Plural Rules
 * Tiny and [fast](./docs/speed.md#plural-form-lookup-speed) - 3 kB minified, 1 kB gzipped. Using [plain hand-coded functions](./src/cardinals.js) as [plural rules](./docs/design.md#plural-rules) to pick [plural forms](./docs/design.md#plural-forms) using [language locales](./docs/design.md#locales).
-* Reliable and correct - written using the [Translate Project documentation] and the [Mozilla documentation].
+* Standard and documented - written using the [Translate Project documentation] and the [Mozilla documentation].
+* Reliable and correct - contains the [full test suite] [comparing the actual results with the Mozilla specification], run in both Node.js and the browser.
+* Universal and modern - supports both plural form index (0-5) and plural form rules (`zero`, `one`, `two`, `few`, `many` and `other`) and includes declarations for [TypeScript].
 
-If you are looking for a library using the official and regularly updated [CLDR plural rules], only just a little bigger, see [plural-rules].
+If you are looking for a library compiling and executing the declarative [CLDR plural rules], see [plural-rules]. Generated programmatically for better reliability, but a little bigger and slower.
 
@@ -47,9 +49,52 @@ ### Table of Contents
 
-// English: 0 - singular
-//          1 - plural
-// Czech:   0 - singular
-//          1 - plural for 2-4 items
-//          2 - plural for 5+ items
+// Returns a localized message for the specified locale and cardinal.
+localizeMessage('en', 'fileCount', 3) // Returns "3 files"
+localizeMessage('cs', 'fileCount', 3) // Returns "3 soubory"
+
+// Returns a localized message for the specified locale and cardinal.
+function localizeMessage (locale, messageKey, cardinal) {
+  const pluralForm = getPluralFormForCardinalByLocale(locale, cardinal)
+  const messageFormat = messages[locale][messageKey][pluralForm]
+  return messageFormat.replace('{0}', cardinal)
+}
+
+// A language pack with a testing message.
+const messages = {
+  en: {
+    fileCount: [
+      "{0} file", // 0 - singular
+      "{0} files" // 1 - plural
+    ],
+  }
+  cs: {
+    fileCount: [
+      "{0} soubor",  // 0 - singular
+      "{0} soubory", // 1 - plural for 2-4 items
+      "{0} souborů"  // 2 - plural for 5+ items
+    ]
+  }
+}
 ```
 
+There is another [full example using plural form names](./docs/design.md#using-form-names) instead of numeric indexes like this:
+
+```js
+// Localized messages organized by locales and message keys.
+const messages = {
+  en: {
+    fileCount: {
+      one:   '{0} file', // singular
+      other: '{0} files' // plural
+    }
+  },
+  cs: {
+    fileCount: {
+      one:   '{0} soubor',  // singular
+      few:   '{0} soubory', // plural for 2-4 items
+      other: '{0} souborů'  // plural for 5 and more items
+    }
+  }
+}
+```
+
 ## Installation and Getting Started
@@ -85,2 +130,4 @@
 
+* 2019-07-31   v1.0.0   Correct rules for Baltic, Celtic, Semitic, Shuar and Welsh
+                        language families to match the latest Mozilla documentation, support CLDR plural form names, complete the test suite
 * 2018-10-28   v0.0.1   Initial release
@@ -97,2 +144,5 @@
 [Yarn]: https://yarnpkg.com/
+[TypeScript]: https://www.typescriptlang.org/
+[full test suite]: https://travis-ci.org/prantlf/fast-plural-rules
+[comparing the actual results with the Mozilla specification]: https://github.com/prantlf/fast-plural-rules/blob/master/test/rules.test.js
 [Translate Project documentation]: http://docs.translatehouse.org/projects/localization-guide/en/latest/l10n/pluralforms.html#pluralforms-list
@@ -102,3 +152,3 @@ [Mozilla documentation]: https://developer.mozilla.org/en-US/docs/Mozilla/Localization/Localization_and_Plurals#List_of_Plural_Rules
 [relativeTime plugin]: https://github.com/prantlf/dayjs/blob/combined/docs/en/Plugin.md#relativetime
-[CLDR plural rules]: http://cldr.unicode.org/index/cldr-spec/plural-rules
+[CLDR plural rules]: http://www.unicode.org/cldr/charts/latest/supplemental/language_plural_rules.html
 [plural-rules]: https://github.com/prantlf/plural-rules

src/cardinals.js

 // See the plural rules at https://developer.mozilla.org/en-US/docs/Mozilla/Localization/Localization_and_Plurals#List_of_Plural_Rules
 // See the expressions to identify the plural form at http://docs.translatehouse.org/projects/localization-guide/en/latest/l10n/pluralforms.html#pluralforms-list
+// and at https://hg.mozilla.org/releases/mozilla-release/file/837bbcb850cd58eb07c7f6437078d5229986967c/intl/locale/PluralForm.jsm (resource://gre/modules/PluralForm.jsm)
 
@@ -17,2 +18,3 @@ /* eslint-disable no-confusing-arrow, no-nested-ternary */
     //   vi (Vietnamese), wo (Wolof), zh-CN (Simplified Chinese)
+    // Forms: other
     // everything: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
@@ -22,2 +24,3 @@ // 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
     () => 0,
+
     // Plural rule #1 (2 forms)
@@ -27,3 +30,3 @@ // Families: Germanic (Danish, Dutch, English, Faroese, Frisian, German,
     //   Language isolate (Basque), Latin/Greek (Greek), Semitic (Hebrew),
-    //   Romanic (Italian, Portuguese, Spanish, Catalan), Vietnamese,
+    //   Romanic (Italian, Portuguese, Spanish, Catalan), Vietnamese
     // Locales: af (Afrikaans), an (Aragonese), anp (Angika), as (Assamese),
@@ -49,2 +52,3 @@ //   ast (Asturian), az (Azerbaijani), bg (Bulgarian), bn (Bengali),
     //   ur (Urdu), yo (Yoruba)
+    // Forms: one, other
     // is 1: 1
@@ -55,2 +59,3 @@ // everything else: 0, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
     n => n === 1 ? 0 : 1,
+
     // Plural rule #2 (2 forms)
@@ -63,2 +68,3 @@ // Families: Romanic (French, Brazilian Portuguese)
     //   tr (Turkish), uz (Uzbek), wa (Walloon), zh-TW (Traditional Chinese)
+    // Forms: one, other
     // is 0 or 1: 0, 1
@@ -69,5 +75,8 @@ // everything else: 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
     n => n <= 1 ? 0 : 1,
+
     // Plural rule #3 (3 forms)
     // Families: Baltic (Latvian, Latgalian)
     // Locales: lv (Latvian)
+    // Forms: zero, one, other
+    // ends in 0: 0
     // ends in 1, excluding 11: 1, 21, 31, 41, 51, 61, 71, 81, 91, 101, 121, 131,
@@ -79,7 +88,8 @@ // 141, 151, 161, 171, 181, 191, 201, 221, 231, 241, 251, 261, 271, 281, 291,
     // 43, 44, 45, 46, 47, 48, 49, 52, 53, ...
-    // ends in 0: 0
-    n => n % 10 === 1 && n % 100 !== 11 ? 0 : n % 10 !== 0 ? 1 : 2,
+    n => n % 10 === 1 && n % 100 !== 11 ? 1 : n % 10 !== 0 ? 2 : 0,
+
     // Plural rule #4 (4 forms)
     // Families: Celtic (Scottish Gaelic)
     // Locales: gd (Scottish Gaelic)
+    // Forms: one, two, few, other
     // is 1 or 11: 1, 11
@@ -92,5 +102,7 @@ // is 2 or 12: 2, 12
     n => n === 1 || n === 11 ? 0 : n === 2 || n === 12 ? 1 : n > 2 && n < 20 ? 2 : 3,
+
     // Plural rule #5 (3 forms)
     // Families: Romanic (Romanian)
     // Locales: ro (Romanian)
+    // Forms: one, few, other
     // is 1: 1
@@ -105,5 +117,7 @@ // is 0 or ends in 01-19, excluding 1: 0, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
     n => n === 1 ? 0 : n === 0 || (n % 100 > 0 && n % 100 < 20) ? 1 : 2,
+
     // Plural rule #6 (3 forms)
     // Families: Baltic (Lithuanian)
     // Locales: lt (Lithuanian)
+    // Forms: one, few, other
     // ends in 1, excluding 11: 1, 21, 31, 41, 51, 61, 71, 81, 91, 101, 121, 131,
@@ -120,3 +134,4 @@ // 141, 151, 161, 171, 181, 191, 201, 221, 231, 241, 251, 261, 271, 281, 291,
     n => n % 10 === 1 && n % 100 !== 11 ? 0
-      : n % 10 >= 2 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2,
+      : n % 10 >= 2 && (n % 100 < 10 || n % 100 >= 20) ? 2 : 1,
+
     // Plural rule #7 (3 forms)
@@ -126,2 +141,3 @@ // Families: Slavic (Belarusian, Bosnian, Croatian, Serbian, Russian, Ukrainian)
     //   sr (Serbian), uk (Ukrainian)
+    // Forms: one, few, other
     // ends in 1, excluding 11: 1, 21, 31, 41, 51, 61, 71, 81, 91, 101, 121, 131,
@@ -140,5 +156,7 @@ // 141, 151, 161, 171, 181, 191, 201, 221, 231, 241, 251, 261, 271, 281, 291,
       : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2,
+
     // Plural rule #8 (3 forms)
     // Families: Slavic (Slovak, Czech)
     // Locales: cs (Czech), sk (Slovak)
+    // Forms: one, few, other
     // is 1: 1
@@ -150,5 +168,7 @@ // is 2-4: 2, 3, 4
     n => n === 1 ? 0 : n >= 2 && n <= 4 ? 1 : 2,
+
     // Plural rule #9 (3 forms)
     // Families: Slavic (Polish)
     // Locales: pl (Polish)
+    // Forms: one, few, other
     // is 1: 1
@@ -164,5 +184,7 @@ // ends in 2-4, excluding 12-14: 2, 3, 4, 22, 23, 24, 32, 33, 34, 42, 43, 44,
       : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2,
+
     // Plural rule #10 (4 forms)
     // Families: Slavic (Slovenian, Sorbian)
     // Locales: sl (Slovenian)
+    // Forms: one, two, few, other
     // ends in 01: 1, 101, 201, ...
@@ -175,5 +197,7 @@ // ends in 02: 2, 102, 202, ...
     n => n % 100 === 1 ? 0 : n % 100 === 2 ? 1 : n % 100 === 3 || n % 100 === 4 ? 2 : 3,
+
     // Plural rule #11 (5 forms)
     // Families: Celtic (Irish Gaelic)
     // Locales: ga (Irish)
+    // Forms: one, two, few, many, other
     // is 1: 1
@@ -187,5 +211,7 @@ // is 2: 2
     n => n === 1 ? 0 : n === 2 ? 1 : n > 2 && n < 7 ? 2 : n > 6 && n < 11 ? 3 : 4,
+
     // Plural rule #12 (6 forms)
     // Families: Semitic (Arabic)
     // Locales: ar (Arabic)
+    // Forms: one, two, few, many, other, zero
     // is 1: 1
@@ -203,5 +229,7 @@ // is 2: 2
       : n % 100 >= 11 ? 3 : n !== 0 ? 4 : 5,
+
     // Plural rule #13 (4 forms)
     // Families: Semitic (Maltese)
     // Locales: mt (Maltese)
+    // Forms: one, few, many, other
     // is 1: 1
@@ -216,6 +244,8 @@ // is 0 or ends in 01-10, excluding 1: 0, 2, 3, 4, 5, 6, 7, 8, 9, 10, 101,
     // 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, ...
-    n => n === 1 ? 0 : n === 0 || (n % 100 > 1 && n % 100 < 11) ? 1
+    n => n === 1 ? 0 : n === 0 || (n % 100 > 0 && n % 100 < 11) ? 1
       : n % 100 > 10 && n % 100 < 20 ? 2 : 3,
+
     // Plural rule #14 (3 forms)
-    // Families: unused
+    // Families: Unused
+    // Forms: one, few, other
     // ends in 1: 1, 11, 21, 31, 41, 51, 61, 71, 81, 91, 101, 111, 121, 131, 141,
@@ -231,5 +261,7 @@ // 151, 161, 171, 181, 191, 201, 211, 221, 231, 241, 251, 261, 271, 281, 291,
     n => n % 10 === 1 ? 0 : n % 10 === 2 ? 1 : 2,
+
     // Plural rule #15 (2 forms)
     // Families: Icelandic, Macedonian
     // Locales: is (Icelandic), mk (Macedonian)
+    // Forms: one, other
     // ends in 1, excluding 11: 1, 21, 31, 41, 51, 61, 71, 81, 91, 101, 121, 131,
@@ -242,4 +274,6 @@ // 141, 151, 161, 171, 181, 191, 201, 221, 231, 241, 251, 261, 271, 281, 291,
     n => n % 10 === 1 && n % 100 !== 11 ? 0 : 1,
+
     // Plural rule #16 (5 forms)
     // Families: Celtic (Breton)
+    // Forms: one, two, few, many, other
     // ends in 1, excluding 11, 71, 91: 21, 31, 41, 51, 61, 81, 101, 121, 131,
@@ -251,3 +285,3 @@ // 141, 151, 161, 181, 201, 221, 231, 241, 251, 261, 281, ...
     // 23, 24, 29, 33, 34, 39, 43, 44, 49, 53, 54, 59, ...
-    // ends in 1000000: 1000000: 1000000, 2000000, 3000000, 4000000, 5000000,
+    // ends in 000000: 1000000, 2000000, 3000000, 4000000, 5000000,
     // 6000000, 7000000, 8000000, 9000000, 10000000, ...
@@ -257,18 +291,25 @@ // everything else: 0, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
     n => n % 10 === 1 && n % 100 !== 11 && n % 100 !== 71 && n % 100 !== 91 ? 0
-      : n % 10 === 2 && n % 100 !== 12 && n % 100 !== 72 && n % 100 !== 92 ? 2
-        : n % 10 === 3 && n % 100 !== 13 && n % 100 !== 73 && n % 100 !== 93 ? 3
-          : n % 10 === 4 && n % 100 !== 14 && n % 100 !== 74 && n % 100 !== 94 ? 3
-            : n % 10 === 9 && n % 100 !== 19 && n % 100 !== 79 && n % 100 !== 99 ? 3
-              : 4,
+      : n % 10 === 2 && n % 100 !== 12 && n % 100 !== 72 && n % 100 !== 92 ? 1
+        : (n % 10 === 3 || n % 10 === 4 || n % 10 === 9) &&
+          n % 100 !== 13 && n % 100 !== 73 && n % 100 !== 93 &&
+          n % 100 !== 14 && n % 100 !== 74 && n % 100 !== 94 &&
+          n % 100 !== 19 && n % 100 !== 79 && n % 100 !== 99 ? 2
+          : n !== 0 && n % 1000000 === 0 ? 3
+            : 4,
+
     // Plural rule #17 (2 forms)
     // Families: Ecuador indigenous languages (Shuar)
     // Locales: jv (Javanese)
+    // Forms: zero, other
+    // is 0: 0
     // everything else: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
     // 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34,
     // 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, ...
-    // is 0: 0
-    n => n !== 0 ? 0 : 1,
+    n => n !== 0 ? 1 : 0,
+
     // Plural rule #18 (6 forms)
     // Families: Welsh
     // Locales: cy (Welsh)
+    // Forms: zero, one, two, few, many, other
+    // is 0: 0
     // is 1: 1
@@ -281,6 +322,7 @@ // is 2: 2
     // 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, ...
-    // is 0: 0
-    n => n === 1 ? 0 : n === 2 ? 1 : n === 3 ? 2 : n === 6 ? 3 : n !== 0 ? 4 : 5,
+    n => n === 1 ? 1 : n === 2 ? 2 : n === 3 ? 3 : n === 6 ? 4 : n !== 0 ? 5 : 0,
+
     // Plural rule #19 (3 forms)
     // Locales: csb (Kashubian)
+    // Forms: one, few, other
     // is 1: 1
@@ -297,4 +339,6 @@ // ends in 2-4, excluding 12-14: 2, 3, 4, 22, 23, 24, 32, 33, 34, 42, 43, 44,
       : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2,
+
     // Plural rule #20 (4 forms)
     // Locales: kw (Cornish)
+    // Forms: one, two, few, other
     // is 1: 1
@@ -307,4 +351,6 @@ // is 2: 2
     n => n === 1 ? 0 : n === 2 ? 1 : n === 3 ? 2 : 3,
+
     // Plural rule #21 (3 forms)
     // Locales: me (Montenegro)
+    // Forms: one, few, other
     // ends in 1, excluding 11: 1, 21, 31, 41, 51, 61, 71, 81, 91, 101, 121, 131,
@@ -323,4 +369,6 @@ // 141, 151, 161, 171, 181, 191, 201, 221, 231, 241, 251, 261, 271, 281, 291,
       : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2,
+
     // Plural rule #22 (3 forms)
     // Locales: mnk (Mandinka)
+    // Forms: zero, one, other
     // is 0: 0
@@ -333,2 +381,3 @@ // is 1: 1
   ],
+
   rulesByLocale: {
@@ -479,5 +528,31 @@ ach: 2, // Acholi
     'zh-tw': 2 // Traditional Chinese
-  }
+  },
+
+  formsByIndex: [
+    ['other'], // 0: Asian
+    ['one', 'other'], // 1: Germanic
+    ['one', 'other'], // 2: Romanic (French)
+    ['zero', 'one', 'other'], // 3: Baltic (Latvian, Latgalian)
+    ['one', 'two', 'few', 'other'], // 4: Celtic (Scottish Gaelic)
+    ['one', 'few', 'other'], // 5: Romanic (Romanian)
+    ['one', 'few', 'other'], // 6: Baltic (Lithuanian)
+    ['one', 'few', 'other'], // 7: Slavic (Russian)
+    ['one', 'few', 'other'], // 8: Slavic (Slovak, Czech)
+    ['one', 'few', 'other'], // 9: Slavic (Polish)
+    ['one', 'two', 'few', 'other'], // 10: Slavic (Slovenian, Sorbian)
+    ['one', 'two', 'few', 'many', 'other'], // 11: Celtic (Irish Gaelic)
+    ['one', 'two', 'few', 'many', 'other', 'zero'], // 12: Semitic (Arabic)
+    ['one', 'few', 'many', 'other'], // 13: Semitic (Maltese)
+    ['one', 'few', 'other'], // 14: Unused
+    ['one', 'other'], // 15: Icelandic, Macedonian
+    ['one', 'two', 'few', 'many', 'other'], // 16: Celtic (Breton)
+    ['zero', 'other'], // 17: Ecuador (Shuar)
+    ['zero', 'one', 'two', 'few', 'many', 'other'], // 18: Welsh
+    ['one', 'few', 'other'], // 19: csb (Kashubian)
+    ['one', 'two', 'few', 'other'], // 20: kw (Cornish)
+    ['one', 'few', 'other'], // 21: me (Montenegro)
+    ['zero', 'one', 'other'] // 22: mnk (Mandinka)
+  ]
 }
 
 export default cardinals

src/index.d.ts

 declare function getPluralFormForCardinalByLocale (locale: string, count: number): number
+declare function getPluralFormNameForCardinalByLocale (locale: string, count: number): string
+
 declare function getPluralFormForCardinalByIndex (index: number, count: number): number
+declare function getPluralFormNameForCardinalByIndex (index: number, count: number): string
 
 declare function getPluralRuleForCardinalsByLocale (locale: string): Function
+declare function getPluralRuleForNamedFormsForCardinalsByLocale (locale: string): Function
+
 declare function getPluralRuleForCardinalsByIndex (index: number): Function
+declare function getPluralRuleForNamedFormsForCardinalsByIndex (index: number): Function
 
 export {
   getPluralFormForCardinalByLocale, getPluralRuleForCardinalsByLocale,
-  getPluralFormForCardinalByIndex, getPluralRuleForCardinalsByIndex
+  getPluralFormNameForCardinalByLocale, getPluralRuleForNamedFormsForCardinalsByLocale,
+  getPluralFormForCardinalByIndex, getPluralRuleForCardinalsByIndex,
+  getPluralFormNameForCardinalByIndex, getPluralRuleForNamedFormsForCardinalsByIndex
 }
 
 export as namespace fastPluralRules

src/index.js

@@ -5,3 +5,3 @@ 'use strict'
 
-const { rules, rulesByLocale } = cardinals
+const { rules, rulesByLocale, formsByIndex } = cardinals
 
@@ -17,3 +17,3 @@ function normalizeLocale (locale) {
 
-function getPluralRuleForCardinalsByLocale (locale) {
+function getPluralRuleIndexForCardinalsByLocale (locale) {
   locale = normalizeLocale(locale)
@@ -28,2 +28,14 @@ let index = rulesByLocale[locale]
   }
+  return index
+}
+
+function adaptPluralRuleForFormName (rule, index) {
+  const forms = formsByIndex[index]
+  return function (count) {
+    return forms[rule(count)]
+  }
+}
+
+function getPluralRuleForCardinalsByLocale (locale) {
+  const index = getPluralRuleIndexForCardinalsByLocale(locale)
   return rules[index]
@@ -40,2 +52,15 @@ }
 
+function getPluralRuleForNamedFormsForCardinalsByLocale (locale) {
+  const index = getPluralRuleIndexForCardinalsByLocale(locale)
+  return adaptPluralRuleForFormName(rules[index], index)
+}
+
+function getPluralRuleForNamedFormsForCardinalsByIndex (index) {
+  const rule = rules[index]
+  if (rule === undefined) {
+    throw new Error(`Invalid index: "${index}".`)
+  }
+  return adaptPluralRuleForFormName(rules[index], index)
+}
+
 function getPluralFormForCardinalByLocale (locale, count) {
@@ -51,5 +76,17 @@ const rule = getPluralRuleForCardinalsByLocale(locale)
 
+function getPluralFormNameForCardinalByLocale (locale, count) {
+  const rule = getPluralRuleForNamedFormsForCardinalsByLocale(locale)
+  return rule(count)
+}
+
+function getPluralFormNameForCardinalByIndex (index, count) {
+  const rule = getPluralRuleForNamedFormsForCardinalsByIndex(index)
+  return rule(count)
+}
+
 export {
-  getPluralRuleForCardinalsByLocale, getPluralFormForCardinalByLocale,
-  getPluralRuleForCardinalsByIndex, getPluralFormForCardinalByIndex
+  getPluralRuleForCardinalsByLocale, getPluralRuleForNamedFormsForCardinalsByLocale,
+  getPluralFormForCardinalByLocale, getPluralFormNameForCardinalByLocale,
+  getPluralRuleForCardinalsByIndex, getPluralRuleForNamedFormsForCardinalsByIndex,
+  getPluralFormForCardinalByIndex, getPluralFormNameForCardinalByIndex
 }

Fixed alerts

No v1

Quality

Package is not semver >=1. This means it is not stable and does not support ^ ranges.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

131491

increased by90.28%

Number of package files

12

increased by20%

Lines of code

1219

increased by55.68%

Number of low quality alerts

0

decreased by-100%

Number of lines in readme file

150

increased by50%

Worsened metrics

Dev dependency count

35

increased by2.94%

No dependency changes