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Diffstat (limited to 'node_modules/moment/src/lib/locale/locales.js')
| -rw-r--r-- | node_modules/moment/src/lib/locale/locales.js | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/node_modules/moment/src/lib/locale/locales.js b/node_modules/moment/src/lib/locale/locales.js new file mode 100644 index 0000000..721594a --- /dev/null +++ b/node_modules/moment/src/lib/locale/locales.js @@ -0,0 +1,249 @@ +import isArray from '../utils/is-array'; +import isUndefined from '../utils/is-undefined'; +import { deprecateSimple } from '../utils/deprecate'; +import { mergeConfigs } from './set'; +import { Locale } from './constructor'; +import keys from '../utils/keys'; + +import { baseConfig } from './base-config'; + +// internal storage for locale config files +var locales = {}, + localeFamilies = {}, + globalLocale; + +function commonPrefix(arr1, arr2) { + var i, + minl = Math.min(arr1.length, arr2.length); + for (i = 0; i < minl; i += 1) { + if (arr1[i] !== arr2[i]) { + return i; + } + } + return minl; +} + +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 && + commonPrefix(split, next) >= j - 1 + ) { + //the next array item is better than a shallower substring of this one + break; + } + j--; + } + i++; + } + return globalLocale; +} + +function isLocaleNameSane(name) { + // Prevent names that look like filesystem paths, i.e contain '/' or '\' + // Ensure name is available and function returns boolean + return !!(name && name.match('^[^/\\\\]*$')); +} + +function loadLocale(name) { + var oldLocale = null, + aliasedRequire; + // TODO: Find a better way to register and load all the locales in Node + if ( + locales[name] === undefined && + typeof module !== 'undefined' && + module && + module.exports && + isLocaleNameSane(name) + ) { + try { + oldLocale = globalLocale._abbr; + aliasedRequire = require; + aliasedRequire('./locale/' + name); + getSetGlobalLocale(oldLocale); + } catch (e) { + // mark as not found to avoid repeating expensive file require call causing high CPU + // when trying to find en-US, en_US, en-us for every format call + locales[name] = null; // null means not found + } + } + 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 (isUndefined(values)) { + data = getLocale(key); + } else { + data = defineLocale(key, values); + } + + if (data) { + // moment.duration._locale = moment._locale = data; + globalLocale = data; + } else { + if (typeof console !== 'undefined' && console.warn) { + //warn user if arguments are passed but the locale could not be set + console.warn( + 'Locale ' + key + ' not found. Did you forget to load it?' + ); + } + } + } + + return globalLocale._abbr; +} + +export function defineLocale(name, config) { + if (config !== null) { + var locale, + parentConfig = baseConfig; + config.abbr = name; + if (locales[name] != null) { + deprecateSimple( + 'defineLocaleOverride', + 'use moment.updateLocale(localeName, config) to change ' + + 'an existing locale. moment.defineLocale(localeName, ' + + 'config) should only be used for creating a new locale ' + + 'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.' + ); + parentConfig = locales[name]._config; + } else if (config.parentLocale != null) { + if (locales[config.parentLocale] != null) { + parentConfig = locales[config.parentLocale]._config; + } else { + locale = loadLocale(config.parentLocale); + if (locale != null) { + parentConfig = locale._config; + } else { + if (!localeFamilies[config.parentLocale]) { + localeFamilies[config.parentLocale] = []; + } + localeFamilies[config.parentLocale].push({ + name: name, + config: config, + }); + return null; + } + } + } + locales[name] = new Locale(mergeConfigs(parentConfig, config)); + + if (localeFamilies[name]) { + localeFamilies[name].forEach(function (x) { + defineLocale(x.name, x.config); + }); + } + + // backwards compat for now: also set the locale + // make sure we set the locale AFTER all child locales have been + // created, so we won't end up with the child locale set. + getSetGlobalLocale(name); + + return locales[name]; + } else { + // useful for testing + delete locales[name]; + return null; + } +} + +export function updateLocale(name, config) { + if (config != null) { + var locale, + tmpLocale, + parentConfig = baseConfig; + + if (locales[name] != null && locales[name].parentLocale != null) { + // Update existing child locale in-place to avoid memory-leaks + locales[name].set(mergeConfigs(locales[name]._config, config)); + } else { + // MERGE + tmpLocale = loadLocale(name); + if (tmpLocale != null) { + parentConfig = tmpLocale._config; + } + config = mergeConfigs(parentConfig, config); + if (tmpLocale == null) { + // updateLocale is called for creating a new locale + // Set abbr so it will have a name (getters return + // undefined otherwise). + config.abbr = name; + } + locale = new Locale(config); + locale.parentLocale = locales[name]; + locales[name] = locale; + } + + // backwards compat for now: also set the locale + getSetGlobalLocale(name); + } else { + // pass null for config to unupdate, useful for tests + if (locales[name] != null) { + if (locales[name].parentLocale != null) { + locales[name] = locales[name].parentLocale; + if (name === getSetGlobalLocale()) { + getSetGlobalLocale(name); + } + } else if (locales[name] != null) { + delete locales[name]; + } + } + } + return locales[name]; +} + +// 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); +} + +export function listLocales() { + return keys(locales); +} |