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
new file mode 100644
index 000000000..a32e5aced
--- /dev/null
+++ b/library/moment/src/lib/locale/locales.js
@@ -0,0 +1,117 @@
+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);
+}