77 lines
2.3 KiB
JavaScript
77 lines
2.3 KiB
JavaScript
class I18n {
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constructor(appState) {
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this.appState = appState;
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this.availableLanguages = null;
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this.language = null;
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this.default = null;
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this.pages = {};
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}
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get needsFetch () {
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return !this.availableLanguages && !this.language && !this.default;
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}
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fetchLocaleUI () {
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return fetch(`/locales/${this.appState.language}/ui`).then(response => response.json()).then(response => {
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this.availableLanguages = response.available;
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this.default = response.default;
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this.language = response.locale;
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}).catch(error => {
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console.error(error);
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});
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}
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fetchLocalePage (page) {
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return fetch(`/locales/${this.appState.language}/page/${page}`).then(response => response.text()).then(response => {
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this.pages[page] = response;
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}).catch(error => {
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console.error(error);
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});
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}
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translate (target, useDefault = false) {
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let language = useDefault ? this.default : this.language;
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const pieces = target.split('.');
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if (!this.needsFetch && !useDefault && this.appState.language !== language.locale) {
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console.warn(`The target language (${this.appState.language}) does not exist. Defaulting to ${this.default.name} (${this.default.locale}).`);
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language = this.default;
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}
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let translation = pieces.reduce((lang, piece, i) => {
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if (lang === false) return false;
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if (typeof lang[piece] === 'object') {
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// Only continue if there's another piece, otherwise, it will error.
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if (typeof pieces[i + 1] !== 'undefined') {
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return lang[piece];
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}
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}
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if (typeof lang[piece] === 'string') {
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return lang[piece];
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}
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return false;
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}, Object.assign({}, language));
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if (translation === false) {
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console.log(this);
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if (language.locale !== this.default.locale) {
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console.warn(`The translation for "${target}" is not set in the ${this.language.locale} locale. Using ${this.default.name} (${this.default.locale}) instead.`);
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return this.translate(target, true);
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}
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console.error(`The translation for "${target}" is set up in neither the target nor default locale.`);
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return target;
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}
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return translation;
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}
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__ (translation) {
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return this.translate(translation);
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}
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}
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module.exports = { I18n };
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