36 lines
841 B
JavaScript
36 lines
841 B
JavaScript
/* eslint-env node */
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exports.setup = (locale, messages) => {
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if (!locale) {
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throw new Error('i18n: locale parameter is required');
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}
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if (!messages) {
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throw new Error('i18n: messages parameter is required');
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}
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function getMessage(key, substitutions) {
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const entry = messages[key];
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if (!entry) {
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console.error(
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`i18n: Attempted to get translation for nonexistent key '${key}'`
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);
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return '';
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}
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const { message } = entry;
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if (Array.isArray(substitutions)) {
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return substitutions.reduce(
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(result, substitution) => result.replace(/\$.+?\$/, substitution),
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message
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);
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} else if (substitutions) {
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return message.replace(/\$.+?\$/, substitutions);
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}
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return message;
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}
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getMessage.getLocale = () => locale;
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return getMessage;
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};
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