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71 lines
2.1 KiB
JavaScript
71 lines
2.1 KiB
JavaScript
///<reference path="../index.d.ts"/>
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.osLocale = void 0;
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/*!
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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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Copyright (C) 2020 jeffy-g <hirotom1107@gmail.com>
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Released under the MIT license
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https://opensource.org/licenses/mit-license.php
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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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*/
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// @ts-check
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const lib = require("./lib");
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/** @type {NsOsLocale.LocaleDetector} */
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let detector;
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{
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const { detectNativeLocale, getEnvLocale, purgeExtraToken } = lib;
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let cacheLocal = "";
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/**
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* @param {string} localeToken
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* @param {boolean} cache
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* @returns {string}
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*/
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const withCache = (localeToken, cache) => {
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localeToken = localeToken.replace(/_/g, "-");
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cacheLocal = cache ? localeToken : "";
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return localeToken;
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};
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/**
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* @template {true | void} IsAsync
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* @template {SelectIf<IsAsync, Promise<string>, string>} R
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* @param {NsOsLocale.LocaleDetectorOptions=} options
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* @param {IsAsync=} isAsync
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* @returns {R}
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*/
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const detectorBase = (options, isAsync) => {
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const { cache = true, spawn = true } = options || {};
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if (cache && cacheLocal.length) {
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return /** @type {R} */ (
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isAsync ? Promise.resolve(cacheLocal) : cacheLocal
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);
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}
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const envLocale = getEnvLocale();
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const useEnv = !!(envLocale || !spawn);
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if (isAsync) {
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const p = useEnv
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? Promise.resolve(purgeExtraToken(envLocale))
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: detectNativeLocale(true);
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return /** @type {R} */ (p.then((loc) => withCache(loc, cache)));
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}
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const s = useEnv ? purgeExtraToken(envLocale) : detectNativeLocale();
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return /** @type {R} */ (withCache(s, cache));
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};
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detector = /** @type {NsOsLocale.LocaleDetector} */ (
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(opt) => detectorBase(opt, true)
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);
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detector.sync = (opt) => detectorBase(opt);
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Object.defineProperties(detector, {
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/** @internal test use */
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purge: {
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value: () => (cacheLocal = ""),
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enumerable: false,
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},
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version: {
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value: "v1.1.3",
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enumerable: true,
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},
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});
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}
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exports.osLocale = detector;
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