45 lines
1.1 KiB
TypeScript
45 lines
1.1 KiB
TypeScript
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// Notice: Service Workerでも使用します
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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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