@hackplan/polaris/esnext/utilities/i18n/I18n.js

Shopify’s product component library

import { get } from '../get';
import { merge } from '../merge';
const REPLACE_REGEX = /{([^}]*)}/g;
export class I18n {
    constructor(translation) {
        this.translation = translation;
        this.translate = (id, replacements) => {
            return translate(id, this.translation, replacements);
        };
        this.setTranslation(translation);
    }
    setTranslation(translation) {
        this.translation = Array.isArray(translation)
            ? merge(...translation)
            : translation;
    }
    translationKeyExists(path) {
        return Boolean(get(this.translation, path));
    }
}
export function translate(id, translations, replacements) {
    const text = get(translations, id);
    if (!text) {
        return '';
    }
    if (replacements) {
        return text.replace(REPLACE_REGEX, (match) => {
            const replacement = match.substring(1, match.length - 1);
            if (!replacements.hasOwnProperty(replacement)) {
                throw new Error(`No replacement found for key '${replacement}'. The following replacements were passed: ${Object.keys(replacements)
                    .map((key) => `'${key}'`)
                    .join(', ')}`);
            }
            return replacements[replacement];
        });
    }
    return text;
}