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use base i18n service

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This commit is contained in:
Kyle Spearrin 2018-04-25 08:31:48 -04:00
parent 1a85017d18
commit 13af362fde
3 changed files with 16 additions and 101 deletions
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2
jslib

@ -1 +1 @@
Subproject commit 119a9ba6bc847049624244c8fb6957e7e2f28256
Subproject commit 0ad2c9d6676783f2cd68a27733c3823eafc6d65b

4
src/app/accounts/settings.component.ts
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@ -15,8 +15,6 @@ import { StorageService } from 'jslib/abstractions/storage.service';
import { ConstantsService } from 'jslib/services/constants.service';
import { SupportedTranslationLocales } from '../../services/i18n.service';
@Component({
selector: 'app-settings',
templateUrl: 'settings.component.html',
@ -49,7 +47,7 @@ export class SettingsComponent implements OnInit {
];
this.localeOptions = [{ name: i18nService.t('default'), value: null }];
SupportedTranslationLocales.forEach((locale) => {
i18nService.supportedTranslationLocales.forEach((locale) => {
this.localeOptions.push({ name: locale, value: locale });
});
}

107
src/services/i18n.service.ts
View File

@ -3,104 +3,21 @@ import * as path from 'path';
import { I18nService as I18nServiceAbstraction } from 'jslib/abstractions/i18n.service';
// First locale is the default (English)
export const SupportedTranslationLocales = [
import { I18nService as BaseI18nService } from 'jslib/services/i18n.service';
export class I18nService extends BaseI18nService {
constructor(systemLanguage: string, localesDirectory: string) {
super(systemLanguage, localesDirectory, (formattedLocale: string) => {
const filePath = path.join(__dirname, this.localesDirectory + '/' + formattedLocale + '/messages.json');
const localesJson = fs.readFileSync(filePath, 'utf8');
const locales = JSON.parse(localesJson.replace(/^\uFEFF/, '')); // strip the BOM
return Promise.resolve(locales);
});
this.supportedTranslationLocales = [
'en', 'cs', 'da', 'de', 'es', 'et', 'fi', 'fr', 'hr', 'hu', 'id', 'it', 'ja',
'nb', 'nl', 'pl', 'pt-BR', 'pt-PT', 'ro', 'ru', 'sk', 'sv', 'tr', 'uk', 'vi',
'zh-CN', 'zh-TW',
];
export class I18nService implements I18nServiceAbstraction {
defaultMessages: any = {};
localeMessages: any = {};
locale: string;
translationLocale: string;
collator: Intl.Collator;
inited: boolean;
constructor(private systemLanguage: string, private localesDirectory: string) {
}
async init(locale?: string) {
if (this.inited) {
throw new Error('i18n already initialized.');
}
this.inited = true;
this.locale = this.translationLocale = locale != null ? locale : this.systemLanguage;
this.collator = new Intl.Collator(this.locale);
if (SupportedTranslationLocales.indexOf(this.translationLocale) === -1) {
this.translationLocale = this.translationLocale.slice(0, 2);
if (SupportedTranslationLocales.indexOf(this.translationLocale) === -1) {
this.translationLocale = SupportedTranslationLocales[0];
}
}
await this.loadMessages(this.translationLocale, this.localeMessages);
if (this.translationLocale !== SupportedTranslationLocales[0]) {
await this.loadMessages(SupportedTranslationLocales[0], this.defaultMessages);
}
}
t(id: string, p1?: string, p2?: string, p3?: string): string {
return this.translate(id, p1, p2, p3);
}
translate(id: string, p1?: string, p2?: string, p3?: string): string {
let result: string;
if (this.localeMessages.hasOwnProperty(id) && this.localeMessages[id]) {
result = this.localeMessages[id];
} else if (this.defaultMessages.hasOwnProperty(id) && this.defaultMessages[id]) {
result = this.defaultMessages[id];
} else {
result = '';
}
if (result !== '') {
if (p1 != null) {
result = result.split('__$1__').join(p1);
}
if (p2 != null) {
result = result.split('__$2__').join(p2);
}
if (p3 != null) {
result = result.split('__$3__').join(p3);
}
}
return result;
}
private loadMessages(locale: string, messagesObj: any): Promise<any> {
const formattedLocale = locale.replace('-', '_');
const filePath = path.join(__dirname, this.localesDirectory + '/' + formattedLocale + '/messages.json');
const localesJson = fs.readFileSync(filePath, 'utf8');
const locales = JSON.parse(localesJson.replace(/^\uFEFF/, '')); // strip the BOM
for (const prop in locales) {
if (!locales.hasOwnProperty(prop)) {
continue;
}
messagesObj[prop] = locales[prop].message;
if (locales[prop].placeholders) {
for (const placeProp in locales[prop].placeholders) {
if (!locales[prop].placeholders.hasOwnProperty(placeProp) ||
!locales[prop].placeholders[placeProp].content) {
continue;
}
const replaceToken = '\\$' + placeProp.toUpperCase() + '\\$';
let replaceContent = locales[prop].placeholders[placeProp].content;
if (replaceContent === '$1' || replaceContent === '$2' || replaceContent === '$3') {
replaceContent = '__' + replaceContent + '__';
}
messagesObj[prop] = messagesObj[prop].replace(new RegExp(replaceToken, 'g'), replaceContent);
}
}
}
return Promise.resolve();
}
}