Latvian (lv) language configuration

diff --git a/lang/lv.js b/lang/lv.js
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+++ b/lang/lv.js
@@ -0,0 +1,74 @@
+// moment.js language configuration
+// language : latvian (lv)
+// author : Kristaps Karlsons : https://github.com/skakri
+(function () {
+    var relativeTimeWithPlural = function (number, withoutSuffix, key) {
+        var units = {
+            'mm': 'minūti_minūtes_minūte_minūtes',
+            'hh': 'stundu_stundas_stunda_stundas',
+            'dd': 'dienu_dienas_diena_dienas',
+            'MM': 'mēnesi_mēnešus_mēnesis_mēneši',
+            'yy': 'gadu_gadus_gads_gadi'
+        };
+
+        var format = function (word, number, withoutSuffix) {
+            var forms = word.split('_');
+            if (withoutSuffix) {
+                return number%10==1 && number !== 11 ? forms[2] : forms[3];
+            } else {
+                return number%10==1 && number !== 11 ? forms[0] : forms[1];
+            }
+        };
+
+        return number + ' ' + format(units[key], number, withoutSuffix);
+    },
+    lang = {
+        months : "janvāris_februāris_marts_aprīlis_maijs_jūnijs_jūlijs_augusts_septembris_oktobris_novembris_decembris".split("_"),
+        monthsShort : "jan_feb_mar_apr_mai_jūn_jūl_aug_sep_okt_nov_dec".split("_"),
+        weekdays : "svētdiena_pirmdiena_otrdiena_trešdiena_ceturtdiena_piektdiena_sestdiena".split("_"),
+        weekdaysShort : "Sv_P_O_T_C_Pk_S".split("_"),
+        weekdaysMin : "Sv_P_O_T_C_Pk_S".split("_"),
+        longDateFormat : {
+            LT : "HH:mm",
+            L : "YYYY.MM.DD.",
+            LL : "YYYY. [gada] D. MMMM",
+            LLL : "YYYY. [gada] D. MMMM, LT",
+            LLLL : "YYYY. [gada] D. MMMM, dddd, LT"
+        },
+        calendar : {
+            sameDay : '[Šodien pulksten] LT',
+            nextDay : '[Rīt pulksten] LT',
+            nextWeek : 'dddd [pulksten] LT',
+            lastDay : '[Vakar pulksten] LT',
+            lastWeek : '[Pagājušā] dddd [pulksten] LT',
+            sameElse : 'L'
+        },
+        relativeTime : {
+            future : "%s vēlāk",
+            past : "%s agrāk",
+            s : "dažas sekundes",
+            m : "minūti",
+            mm : relativeTimeWithPlural,
+            h : "stundu",
+            hh : relativeTimeWithPlural,
+            d : "dienu",
+            dd : relativeTimeWithPlural,
+            M : "mēnesi",
+            MM : relativeTimeWithPlural,
+            y : "gadu",
+            yy : relativeTimeWithPlural
+        },
+        ordinal : function (number) {
+            return '.';
+        }
+    };
+
+    // Node
+    if (typeof module !== 'undefined' && module.exports) {
+        module.exports = lang;
+    }
+    // Browser
+    if (typeof window !== 'undefined' && this.moment && this.moment.lang) {
+        this.moment.lang('lv', lang);
+    }
+}());

diff --git a/test/lang/lv.js b/test/lang/lv.js
new file mode 100644 (file)
index 0000000..d28fc65
--- /dev/null
+++ b/test/lang/lv.js
@@ -0,0 +1,248 @@
+var moment = require("../../moment");
+
+
+    /**************************************************
+      Latvian
+     *************************************************/
+
+exports["lang:lv"] = {
+    "parse" : function(test) {
+        test.expect(96);
+        moment.lang('lv');
+        var tests = 'janvāris jan_februāris feb_marts mar_aprīlis apr_maijs mai_jūnijs jūn_jūlijs jūl_augusts aug_septembris sep_oktobris okt_novembris nov_decembris dec'.split("_");
+        var i;
+        function equalTest(input, mmm, i) {
+            test.equal(moment(input, mmm).month(), i, input + ' should be month ' + (i + 1));
+        }
+        for (i = 0; i < 12; i++) {
+            tests[i] = tests[i].split(' ');
+            equalTest(tests[i][0], 'MMM', i);
+            equalTest(tests[i][1], 'MMM', i);
+            equalTest(tests[i][0], 'MMMM', i);
+            equalTest(tests[i][1], 'MMMM', i);
+            equalTest(tests[i][0].toLocaleLowerCase(), 'MMMM', i);
+            equalTest(tests[i][1].toLocaleLowerCase(), 'MMMM', i);
+            equalTest(tests[i][0].toLocaleUpperCase(), 'MMMM', i);
+            equalTest(tests[i][1].toLocaleUpperCase(), 'MMMM', i);
+        }
+        test.done();
+    },
+
+    "format" : function(test) {
+        test.expect(18);
+        moment.lang('lv');
+        var a = [
+                ['dddd, Do MMMM YYYY, h:mm:ss a',      'svētdiena, 14. februāris 2010, 3:25:50 pm'],
+                ['ddd, hA',                            'Sv, 3PM'],
+                ['M Mo MM MMMM MMM',                   '2 2. 02 februāris feb'],
+                ['YYYY YY',                            '2010 10'],
+                ['D Do DD',                            '14 14. 14'],
+                ['d do dddd ddd dd',                   '0 0. svētdiena Sv Sv'],
+                ['DDD DDDo DDDD',                      '45 45. 045'],
+                ['w wo ww',                            '8 8. 08'],
+                ['h hh',                               '3 03'],
+                ['H HH',                               '15 15'],
+                ['m mm',                               '25 25'],
+                ['s ss',                               '50 50'],
+                ['a A',                                'pm PM'],
+                ['t\\he DDDo \\d\\ay of t\\he ye\\ar', 'the 45. day of the year'],
+                ['L',                                  '2010.02.14.'],
+                ['LL',                                 '2010. gada 14. februāris'],
+                ['LLL',                                '2010. gada 14. februāris, 15:25'],
+                ['LLLL',                               '2010. gada 14. februāris, svētdiena, 15:25']
+            ],
+            b = moment(new Date(2010, 1, 14, 15, 25, 50, 125)),
+            i;
+        for (i = 0; i < a.length; i++) {
+            test.equal(b.format(a[i][0]), a[i][1], a[i][0] + ' ---> ' + a[i][1]);
+        }
+        test.done();
+    },
+
+    "format ordinal" : function(test) {
+        test.expect(31);
+        moment.lang('lv');
+        test.equal(moment([2011, 0, 1]).format('DDDo'), '1.', '1.');
+        test.equal(moment([2011, 0, 2]).format('DDDo'), '2.', '2.');
+        test.equal(moment([2011, 0, 3]).format('DDDo'), '3.', '3.');
+        test.equal(moment([2011, 0, 4]).format('DDDo'), '4.', '4.');
+        test.equal(moment([2011, 0, 5]).format('DDDo'), '5.', '5.');
+        test.equal(moment([2011, 0, 6]).format('DDDo'), '6.', '6.');
+        test.equal(moment([2011, 0, 7]).format('DDDo'), '7.', '7.');
+        test.equal(moment([2011, 0, 8]).format('DDDo'), '8.', '8.');
+        test.equal(moment([2011, 0, 9]).format('DDDo'), '9.', '9.');
+        test.equal(moment([2011, 0, 10]).format('DDDo'), '10.', '10.');
+
+        test.equal(moment([2011, 0, 11]).format('DDDo'), '11.', '11.');
+        test.equal(moment([2011, 0, 12]).format('DDDo'), '12.', '12.');
+        test.equal(moment([2011, 0, 13]).format('DDDo'), '13.', '13.');
+        test.equal(moment([2011, 0, 14]).format('DDDo'), '14.', '14.');
+        test.equal(moment([2011, 0, 15]).format('DDDo'), '15.', '15.');
+        test.equal(moment([2011, 0, 16]).format('DDDo'), '16.', '16.');
+        test.equal(moment([2011, 0, 17]).format('DDDo'), '17.', '17.');
+        test.equal(moment([2011, 0, 18]).format('DDDo'), '18.', '18.');
+        test.equal(moment([2011, 0, 19]).format('DDDo'), '19.', '19.');
+        test.equal(moment([2011, 0, 20]).format('DDDo'), '20.', '20.');
+
+        test.equal(moment([2011, 0, 21]).format('DDDo'), '21.', '21.');
+        test.equal(moment([2011, 0, 22]).format('DDDo'), '22.', '22.');
+        test.equal(moment([2011, 0, 23]).format('DDDo'), '23.', '23.');
+        test.equal(moment([2011, 0, 24]).format('DDDo'), '24.', '24.');
+        test.equal(moment([2011, 0, 25]).format('DDDo'), '25.', '25.');
+        test.equal(moment([2011, 0, 26]).format('DDDo'), '26.', '26.');
+        test.equal(moment([2011, 0, 27]).format('DDDo'), '27.', '27.');
+        test.equal(moment([2011, 0, 28]).format('DDDo'), '28.', '28.');
+        test.equal(moment([2011, 0, 29]).format('DDDo'), '29.', '29.');
+        test.equal(moment([2011, 0, 30]).format('DDDo'), '30.', '30.');
+
+        test.equal(moment([2011, 0, 31]).format('DDDo'), '31.', '31.');
+        test.done();
+    },
+
+    "format month" : function(test) {
+        test.expect(12);
+        moment.lang('lv');
+        var expected = 'janvāris jan_februāris feb_marts mar_aprīlis apr_maijs mai_jūnijs jūn_jūlijs jūl_augusts aug_septembris sep_oktobris okt_novembris nov_decembris dec'.split("_");
+        var i;
+        for (i = 0; i < expected.length; i++) {
+            test.equal(moment([2011, i, 1]).format('MMMM MMM'), expected[i], expected[i]);
+        }
+        test.done();
+    },
+
+    "format week" : function(test) {
+        test.expect(7);
+        moment.lang('lv');
+        var expected = 'svētdiena Sv Sv_pirmdiena P P_otrdiena O O_trešdiena T T_ceturtdiena C C_piektdiena Pk Pk_sestdiena S S'.split("_");
+        var i;
+        for (i = 0; i < expected.length; i++) {
+            test.equal(moment([2011, 0, 2 + i]).format('dddd ddd dd'), expected[i], expected[i]);
+        }
+        test.done();
+    },
+
+    "from" : function(test) {
+        test.expect(30);
+        moment.lang('lv');
+        var start = moment([2007, 1, 28]);
+        test.equal(start.from(moment([2007, 1, 28]).add({s:44}), true),  "dažas sekundes",    "44 seconds = seconds");
+        test.equal(start.from(moment([2007, 1, 28]).add({s:45}), true),  "minūti",      "45 seconds = a minute");
+        test.equal(start.from(moment([2007, 1, 28]).add({s:89}), true),  "minūti",      "89 seconds = a minute");
+        test.equal(start.from(moment([2007, 1, 28]).add({s:90}), true),  "2 minūtes",     "90 seconds = 2 minutes");
+        test.equal(start.from(moment([2007, 1, 28]).add({m:44}), true),  "44 minūtes",    "44 minutes = 44 minutes");
+        test.equal(start.from(moment([2007, 1, 28]).add({m:45}), true),  "stundu",       "45 minutes = an hour");
+        test.equal(start.from(moment([2007, 1, 28]).add({m:89}), true),  "stundu",       "89 minutes = an hour");
+        test.equal(start.from(moment([2007, 1, 28]).add({m:90}), true),  "2 stundas",       "90 minutes = 2 hours");
+        test.equal(start.from(moment([2007, 1, 28]).add({h:5}), true),   "5 stundas",       "5 hours = 5 hours");
+        test.equal(start.from(moment([2007, 1, 28]).add({h:21}), true),  "21 stunda",      "21 hours = 21 hours");
+        test.equal(start.from(moment([2007, 1, 28]).add({h:22}), true),  "dienu",         "22 hours = a day");
+        test.equal(start.from(moment([2007, 1, 28]).add({h:35}), true),  "dienu",         "35 hours = a day");
+        test.equal(start.from(moment([2007, 1, 28]).add({h:36}), true),  "2 dienas",        "36 hours = 2 days");
+        test.equal(start.from(moment([2007, 1, 28]).add({d:1}), true),   "dienu",         "1 day = a day");
+        test.equal(start.from(moment([2007, 1, 28]).add({d:5}), true),   "5 dienas",        "5 days = 5 days");
+        test.equal(start.from(moment([2007, 1, 28]).add({d:25}), true),  "25 dienas",       "25 days = 25 days");
+        test.equal(start.from(moment([2007, 1, 28]).add({d:26}), true),  "mēnesi",       "26 days = a month");
+        test.equal(start.from(moment([2007, 1, 28]).add({d:30}), true),  "mēnesi",       "30 days = a month");
+        test.equal(start.from(moment([2007, 1, 28]).add({d:45}), true),  "mēnesi",       "45 days = a month");
+        test.equal(start.from(moment([2007, 1, 28]).add({d:46}), true),  "2 mēneši",      "46 days = 2 months");
+        test.equal(start.from(moment([2007, 1, 28]).add({d:74}), true),  "2 mēneši",      "75 days = 2 months");
+        test.equal(start.from(moment([2007, 1, 28]).add({d:76}), true),  "3 mēneši",      "76 days = 3 months");
+        test.equal(start.from(moment([2007, 1, 28]).add({M:1}), true),   "mēnesi",       "1 month = a month");
+        test.equal(start.from(moment([2007, 1, 28]).add({M:5}), true),   "5 mēneši",      "5 months = 5 months");
+        test.equal(start.from(moment([2007, 1, 28]).add({d:344}), true), "11 mēneši",     "344 days = 11 months");
+        test.equal(start.from(moment([2007, 1, 28]).add({d:345}), true), "gadu",        "345 days = a year");
+        test.equal(start.from(moment([2007, 1, 28]).add({d:547}), true), "gadu",        "547 days = a year");
+        test.equal(start.from(moment([2007, 1, 28]).add({d:548}), true), "2 gadi",       "548 days = 2 years");
+        test.equal(start.from(moment([2007, 1, 28]).add({y:1}), true),   "gadu",        "1 year = a year");
+        test.equal(start.from(moment([2007, 1, 28]).add({y:5}), true),   "5 gadi",       "5 years = 5 years");
+        test.done();
+    },
+
+    "suffix" : function(test) {
+        test.expect(2);
+        moment.lang('lv');
+        test.equal(moment(30000).from(0), "dažas sekundes vēlāk",  "prefix");
+        test.equal(moment(0).from(30000), "dažas sekundes agrāk", "suffix");
+        test.done();
+    },
+
+    "now from now" : function(test) {
+        test.expect(1);
+        moment.lang('lv');
+        test.equal(moment().fromNow(), "dažas sekundes agrāk",  "now from now should display as in the past");
+        test.done();
+    },
+
+    "fromNow" : function(test) {
+        test.expect(2);
+        moment.lang('lv');
+        test.equal(moment().add({s:30}).fromNow(), "dažas sekundes vēlāk", "in seconds");
+        test.equal(moment().add({d:5}).fromNow(), "5 dienas vēlāk", "in 5 days");
+        test.done();
+    },
+
+    "calendar day" : function(test) {
+        test.expect(6);
+        moment.lang('lv');
+
+        var a = moment().hours(2).minutes(0).seconds(0);
+
+        test.equal(moment(a).calendar(),                     "Šodien pulksten 02:00",     "today at the same time");
+        test.equal(moment(a).add({ m: 25 }).calendar(),      "Šodien pulksten 02:25",     "Now plus 25 min");
+        test.equal(moment(a).add({ h: 1 }).calendar(),       "Šodien pulksten 03:00",     "Now plus 1 hour");
+        test.equal(moment(a).add({ d: 1 }).calendar(),       "Rīt pulksten 02:00",  "tomorrow at the same time");
+        test.equal(moment(a).subtract({ h: 1 }).calendar(),  "Šodien pulksten 01:00",     "Now minus 1 hour");
+        test.equal(moment(a).subtract({ d: 1 }).calendar(),  "Vakar pulksten 02:00", "yesterday at the same time");
+        test.done();
+    },
+
+    "calendar next week" : function(test) {
+        test.expect(15);
+        moment.lang('lv');
+
+        var i;
+        var m;
+
+        for (i = 2; i < 7; i++) {
+            m = moment().add({ d: i });
+            test.equal(m.calendar(),       m.format('dddd [pulksten] LT'),  "Today + " + i + " days current time");
+            m.hours(0).minutes(0).seconds(0).milliseconds(0);
+            test.equal(m.calendar(),       m.format('dddd [pulksten] LT'),  "Today + " + i + " days beginning of day");
+            m.hours(23).minutes(59).seconds(59).milliseconds(999);
+            test.equal(m.calendar(),       m.format('dddd [pulksten] LT'),  "Today + " + i + " days end of day");
+        }
+        test.done();
+    },
+
+    "calendar last week" : function(test) {
+        test.expect(15);
+        moment.lang('lv');
+
+        for (i = 2; i < 7; i++) {
+            m = moment().subtract({ d: i });
+            test.equal(m.calendar(),       m.format('[Pagājušā] dddd [pulksten] LT'),  "Today - " + i + " days current time");
+            m.hours(0).minutes(0).seconds(0).milliseconds(0);
+            test.equal(m.calendar(),       m.format('[Pagājušā] dddd [pulksten] LT'),  "Today - " + i + " days beginning of day");
+            m.hours(23).minutes(59).seconds(59).milliseconds(999);
+            test.equal(m.calendar(),       m.format('[Pagājušā] dddd [pulksten] LT'),  "Today - " + i + " days end of day");
+        }
+        test.done();
+    },
+
+    "calendar all else" : function(test) {
+        test.expect(4);
+        moment.lang('lv');
+        var weeksAgo = moment().subtract({ w: 1 });
+        var weeksFromNow = moment().add({ w: 1 });
+
+        test.equal(weeksAgo.calendar(),       weeksAgo.format('L'),  "1 week ago");
+        test.equal(weeksFromNow.calendar(),   weeksFromNow.format('L'),  "in 1 week");
+
+        weeksAgo = moment().subtract({ w: 2 });
+        weeksFromNow = moment().add({ w: 2 });
+
+        test.equal(weeksAgo.calendar(),       weeksAgo.format('L'),  "2 weeks ago");
+        test.equal(weeksFromNow.calendar(),   weeksFromNow.format('L'),  "in 2 weeks");
+    test.done();
+    }
+};