--- /dev/null
+( function ( mw ) {
+ 'use strict';
+
+ /**
+ * Namespace for CLDR-related utility methods.
+ *
+ * @class
+ * @singleton
+ */
+ mw.cldr = {
+ /**
+ * Get the plural form index for the number.
+ *
+ * In case none of the rules passed, we return `pluralRules.length` -
+ * that means it is the "other" form.
+ *
+ * @param {number} number
+ * @param {Array} pluralRules
+ * @return {number} plural form index
+ */
+ getPluralForm: function ( number, pluralRules ) {
+ var i;
+ for ( i = 0; i < pluralRules.length; i++ ) {
+ if ( mw.libs.pluralRuleParser( pluralRules[ i ], number ) ) {
+ break;
+ }
+ }
+ return i;
+ }
+ };
+
+}( mediaWiki ) );