47 lines
1.3 KiB
TypeScript
47 lines
1.3 KiB
TypeScript
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/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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export interface Options {
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locale?: string;
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cacheLanguageResolution?: boolean;
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}
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export interface LocalizeInfo {
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key: string;
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comment: string[];
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}
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export interface LocalizeFunc {
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(info: LocalizeInfo, message: string, ...args: any[]): string;
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(key: string, message: string, ...args: any[]): string;
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}
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export interface LoadFunc {
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(file?: string): LocalizeFunc;
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}
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function format(message: string, args: any[]): string {
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let result: string;
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if (args.length === 0) {
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result = message;
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} else {
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result = message.replace(/\{(\d+)\}/g, (match, rest) => {
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let index = rest[0];
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return typeof args[index] !== 'undefined' ? args[index] : match;
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});
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}
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return result;
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}
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function localize(key: string | LocalizeInfo, message: string, ...args: any[]): string {
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return format(message, args);
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}
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export function loadMessageBundle(file?: string): LocalizeFunc {
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return localize;
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}
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export function config(opt?: Options | string): LoadFunc {
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return loadMessageBundle;
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}
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