forked from FoundKeyGang/FoundKey
56 lines
1.4 KiB
TypeScript
56 lines
1.4 KiB
TypeScript
import { markRaw } from 'vue';
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import { locale } from '@/config';
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export class I18n<T extends Record<string, any>> {
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public locale: T;
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constructor(locale: T) {
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this.locale = locale;
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if (_DEV_) {
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console.log('i18n', this.locale);
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}
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//#region BIND
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this.t = this.t.bind(this);
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//#endregion
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}
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// string にしているのは、ドット区切りでのパス指定を許可するため
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// なるべくこのメソッド使うよりもlocale直接参照の方がvueのキャッシュ効いてパフォーマンスが良いかも
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public t(key: string, args?: Record<string, any>): string {
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try {
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let str = key.split('.').reduce((o, i) => o[i], this.locale) as string;
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if (_DEV_) {
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if (!str.includes('{')) {
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console.warn(`i18n: '${key}' has no any arg. so ref prop directly instead of call this method.`);
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}
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}
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if (args) {
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for (const [k, v] of Object.entries(args)) {
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str = str.replace(`{${k}}`, v);
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}
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}
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return str;
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} catch (e) {
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if (_DEV_) {
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console.warn(`missing localization '${key}'`);
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return `⚠'${key}'⚠`;
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}
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return key;
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}
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}
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}
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export const i18n = markRaw(new I18n(locale));
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// このファイルに書きたくないけどここに書かないと何故かVeturが認識しない
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declare module '@vue/runtime-core' {
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interface ComponentCustomProperties {
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$t: typeof i18n['t'];
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$ts: typeof i18n['locale'];
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}
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}
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