ngx-bootstrap
Version:
Angular Bootstrap
228 lines • 7.61 kB
JavaScript
// internal storage for locale config files
import { Locale } from './locale.class';
import { baseConfig } from './locale.defaults';
import { hasOwnProp, isArray, isObject, isString, isUndefined, toInt } from '../utils/type-checks';
import { compareArrays } from '../utils/compare-arrays';
import { initWeek } from '../units/week';
import { initWeekYear } from '../units/week-year';
import { initYear } from '../units/year';
import { initTimezone } from '../units/timezone';
import { initTimestamp } from '../units/timestamp';
import { initSecond } from '../units/second';
import { initQuarter } from '../units/quarter';
import { initOffset } from '../units/offset';
import { initMinute } from '../units/minute';
import { initMillisecond } from '../units/millisecond';
import { initMonth } from '../units/month';
import { initHour } from '../units/hour';
import { initDayOfYear } from '../units/day-of-year';
import { initDayOfWeek } from '../units/day-of-week';
import { initDayOfMonth } from '../units/day-of-month';
const locales = {};
const localeFamilies = {};
let 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) {
let next;
let locale;
let i = 0;
while (i < names.length) {
const split = normalizeLocale(names[i]).split('-');
let 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;
}
export function mergeConfigs(parentConfig, childConfig) {
const res = Object.assign({}, parentConfig);
for (const childProp in childConfig) {
if (!hasOwnProp(childConfig, childProp)) {
continue;
}
if (isObject(parentConfig[childProp]) && isObject(childConfig[childProp])) {
res[childProp] = {};
Object.assign(res[childProp], parentConfig[childProp]);
Object.assign(res[childProp], childConfig[childProp]);
}
else if (childConfig[childProp] != null) {
res[childProp] = childConfig[childProp];
}
else {
delete res[childProp];
}
}
for (const parentProp in parentConfig) {
if (hasOwnProp(parentConfig, parentProp) &&
!hasOwnProp(childConfig, parentProp) &&
isObject(parentConfig[parentProp])) {
// make sure changes to properties don't modify parent config
res[parentProp] = Object.assign({}, res[parentProp]);
}
}
return res;
}
function loadLocale(name) {
// no way!
/* 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;
var aliasedRequire = require;
aliasedRequire('./locale/' + name);
getSetGlobalLocale(oldLocale);
} catch (e) {}
}*/
if (!locales[name]) {
console.error(`Khronos locale error: please load locale "${name}" before using it`);
// throw new Error(`Khronos locale error: please load locale "${name}" before using it`);
}
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) {
let data;
if (key) {
if (isUndefined(values)) {
data = getLocale(key);
}
else if (isString(key)) {
data = defineLocale(key, values);
}
if (data) {
globalLocale = data;
}
}
return globalLocale && globalLocale._abbr;
}
export function defineLocale(name, config) {
if (config === null) {
// useful for testing
delete locales[name];
globalLocale = getLocale('en');
return null;
}
if (!config) {
return;
}
let parentConfig = baseConfig;
config.abbr = name;
if (config.parentLocale != null) {
if (locales[config.parentLocale] != null) {
parentConfig = locales[config.parentLocale]._config;
}
else {
if (!localeFamilies[config.parentLocale]) {
localeFamilies[config.parentLocale] = [];
}
localeFamilies[config.parentLocale].push({ name, 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];
}
export function updateLocale(name, config) {
let _config = config;
if (_config != null) {
let parentConfig = baseConfig;
// MERGE
const tmpLocale = loadLocale(name);
if (tmpLocale != null) {
parentConfig = tmpLocale._config;
}
_config = mergeConfigs(parentConfig, _config);
const 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;
}
else if (locales[name] != null) {
delete locales[name];
}
}
}
return locales[name];
}
// returns locale data
export function getLocale(key) {
setDefaultLocale();
if (!key) {
return globalLocale;
}
// let locale;
const _key = isArray(key) ? key : [key];
return chooseLocale(_key);
}
export function listLocales() {
return Object.keys(locales);
}
function setDefaultLocale() {
if (locales[`en`]) {
return undefined;
}
getSetGlobalLocale('en', {
dayOfMonthOrdinalParse: /\d{1,2}(th|st|nd|rd)/,
ordinal(num) {
const b = num % 10;
const output = toInt((num % 100) / 10) === 1
? 'th'
: b === 1 ? 'st' : b === 2 ? 'nd' : b === 3 ? 'rd' : 'th';
return num + output;
}
});
initWeek();
initWeekYear();
initYear();
initTimezone();
initTimestamp();
initSecond();
initQuarter();
initOffset();
initMonth();
initMinute();
initMillisecond();
initHour();
initDayOfYear();
initDayOfWeek();
initDayOfMonth();
}
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