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authorMario Vavti <mario@mariovavti.com>2015-11-18 23:50:42 +0100
committerMario Vavti <mario@mariovavti.com>2015-11-18 23:50:42 +0100
commite4145deeb7a72ac321113fde672e1b499ecb0d2d (patch)
treece2fb59fd9d2ec1d13ea0960215967600098ca13 /library/moment/src/lib/locale/locales.js
parent68da4d90dcbda1240ae014768a66a164fd5d2b36 (diff)
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some events refacturing
Diffstat (limited to 'library/moment/src/lib/locale/locales.js')
-rw-r--r--library/moment/src/lib/locale/locales.js117
1 files changed, 117 insertions, 0 deletions
diff --git a/library/moment/src/lib/locale/locales.js b/library/moment/src/lib/locale/locales.js
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+++ b/library/moment/src/lib/locale/locales.js
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+import isArray from '../utils/is-array';
+import compareArrays from '../utils/compare-arrays';
+import { Locale } from './constructor';
+
+// internal storage for locale config files
+var locales = {};
+var globalLocale;
+
+function normalizeLocale(key) {
+ return key ? key.toLowerCase().replace('_', '-') : key;
+}
+
+// pick the locale from the array
+// try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each
+// substring from most specific to least, but move to the next array item if it's a more specific variant than the current root
+function chooseLocale(names) {
+ var i = 0, j, next, locale, split;
+
+ while (i < names.length) {
+ split = normalizeLocale(names[i]).split('-');
+ j = split.length;
+ next = normalizeLocale(names[i + 1]);
+ next = next ? next.split('-') : null;
+ while (j > 0) {
+ locale = loadLocale(split.slice(0, j).join('-'));
+ if (locale) {
+ return locale;
+ }
+ if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {
+ //the next array item is better than a shallower substring of this one
+ break;
+ }
+ j--;
+ }
+ i++;
+ }
+ return null;
+}
+
+function loadLocale(name) {
+ var oldLocale = null;
+ // TODO: Find a better way to register and load all the locales in Node
+ if (!locales[name] && typeof module !== 'undefined' &&
+ module && module.exports) {
+ try {
+ oldLocale = globalLocale._abbr;
+ require('./locale/' + name);
+ // because defineLocale currently also sets the global locale, we
+ // want to undo that for lazy loaded locales
+ getSetGlobalLocale(oldLocale);
+ } catch (e) { }
+ }
+ return locales[name];
+}
+
+// This function will load locale and then set the global locale. If
+// no arguments are passed in, it will simply return the current global
+// locale key.
+export function getSetGlobalLocale (key, values) {
+ var data;
+ if (key) {
+ if (typeof values === 'undefined') {
+ data = getLocale(key);
+ }
+ else {
+ data = defineLocale(key, values);
+ }
+
+ if (data) {
+ // moment.duration._locale = moment._locale = data;
+ globalLocale = data;
+ }
+ }
+
+ return globalLocale._abbr;
+}
+
+export function defineLocale (name, values) {
+ if (values !== null) {
+ values.abbr = name;
+ locales[name] = locales[name] || new Locale();
+ locales[name].set(values);
+
+ // backwards compat for now: also set the locale
+ getSetGlobalLocale(name);
+
+ return locales[name];
+ } else {
+ // useful for testing
+ delete locales[name];
+ return null;
+ }
+}
+
+// returns locale data
+export function getLocale (key) {
+ var locale;
+
+ if (key && key._locale && key._locale._abbr) {
+ key = key._locale._abbr;
+ }
+
+ if (!key) {
+ return globalLocale;
+ }
+
+ if (!isArray(key)) {
+ //short-circuit everything else
+ locale = loadLocale(key);
+ if (locale) {
+ return locale;
+ }
+ key = [key];
+ }
+
+ return chooseLocale(key);
+}