You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
session-desktop/ts/util/i18n/functions/getMessage.ts

69 lines
2.7 KiB
TypeScript

/** NOTE: Because of docstring limitations changes MUST be manually synced between {@link setupI18n.getMessage } and {@link window.i18n } */
import type {
LocalizerToken,
LocalizerDictionary,
GetMessageArgs,
SetupI18nReturnType,
} from '../../../types/Localizer';
import { i18nLog } from '../shared';
import { formatMessageWithArgs } from './formatMessageWithArgs';
import { getRawMessage } from './getRawMessage';
import { inEnglish } from './inEnglish';
import { stripped } from './stripped';
import { localizeFromOld, type StringArgsRecord } from '../localizedString';
// /**
// * Checks if a string contains a dynamic variable.
// * @param localizedString - The string to check.
// * @returns `true` if the string contains a dynamic variable, otherwise `false`.
// *
// * TODO: Change this to a proper type assertion when the type is fixed.
// */
// const isStringWithArgs = <R extends DictionaryWithoutPluralStrings[LocalizerToken]>(
// localizedString: string
// ): localizedString is R => localizedString.includes('{');
/**
* Retrieves a localized message string, substituting variables where necessary.
*
* @param token - The token identifying the message to retrieve.
* @param args - An optional record of substitution variables and their replacement values. This is required if the string has dynamic variables.
*
* @returns The localized message string with substitutions applied.
*
* @example
* // The string greeting is 'Hello, {name}!' in the current locale
* window.i18n('greeting', { name: 'Alice' });
* // => 'Hello, Alice!'
*
* // The string search is '{count, plural, one [{found_count} of # match] other [{found_count} of # matches]}' in the current locale
* window.i18n('search', { count: 1, found_count: 1 });
* // => '1 of 1 match'
*/
function getMessageDefault<T extends LocalizerToken, R extends LocalizerDictionary[T]>(
...[token, args]: GetMessageArgs<T>
): R | T {
try {
return localizeFromOld<T>(token as T, args as StringArgsRecord<R>).toString() as T | R;
// const rawMessage = getRawMessage<T, R>(...([token, args] as GetMessageArgs<T>));
//
// /** If a localized string does not have any arguments to substitute it is returned with no changes. */
// if (!isStringWithArgs<R>(rawMessage)) {
// return rawMessage;
// }
//
// return formatMessageWithArgs<T, R>(rawMessage, args as ArgsRecord<T>);
} catch (error) {
i18nLog(error.message);
return token as R;
}
}
getMessageDefault.inEnglish = inEnglish;
getMessageDefault.stripped = stripped;
getMessageDefault.getRawMessage = getRawMessage;
getMessageDefault.formatMessageWithArgs = formatMessageWithArgs;
export const getMessage: SetupI18nReturnType = getMessageDefault as SetupI18nReturnType;