/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
var _a;
const LANGUAGE_DEFAULT = 'en';
let _isWindows = false;
let _isMacintosh = false;
let _isLinux = false;
let _isLinuxSnap = false;
let _isNative = false;
let _isWeb = false;
let _isElectron = false;
let _isIOS = false;
let _locale = undefined;
let _language = LANGUAGE_DEFAULT;
let _translationsConfigFile = undefined;
let _userAgent = undefined;
export const globals = (typeof self === 'object' ? self : typeof global === 'object' ? global : {});
let nodeProcess = undefined;
if (typeof globals.vscode !== 'undefined' && typeof globals.vscode.process !== 'undefined') {
    // Native environment (sandboxed)
    nodeProcess = globals.vscode.process;
}
else if (typeof process !== 'undefined') {
    // Native environment (non-sandboxed)
    nodeProcess = process;
}
const isElectronProcess = typeof ((_a = nodeProcess === null || nodeProcess === void 0 ? void 0 : nodeProcess.versions) === null || _a === void 0 ? void 0 : _a.electron) === 'string';
const isElectronRenderer = isElectronProcess && (nodeProcess === null || nodeProcess === void 0 ? void 0 : nodeProcess.type) === 'renderer';
// Web environment
if (typeof navigator === 'object' && !isElectronRenderer) {
    _userAgent = navigator.userAgent;
    _isWindows = _userAgent.indexOf('Windows') >= 0;
    _isMacintosh = _userAgent.indexOf('Macintosh') >= 0;
    _isIOS = (_userAgent.indexOf('Macintosh') >= 0 || _userAgent.indexOf('iPad') >= 0 || _userAgent.indexOf('iPhone') >= 0) && !!navigator.maxTouchPoints && navigator.maxTouchPoints > 0;
    _isLinux = _userAgent.indexOf('Linux') >= 0;
    _isWeb = true;
    _locale = navigator.language;
    _language = _locale;
}
// Native environment
else if (typeof nodeProcess === 'object') {
    _isWindows = (nodeProcess.platform === 'win32');
    _isMacintosh = (nodeProcess.platform === 'darwin');
    _isLinux = (nodeProcess.platform === 'linux');
    _isLinuxSnap = _isLinux && !!nodeProcess.env['SNAP'] && !!nodeProcess.env['SNAP_REVISION'];
    _isElectron = isElectronProcess;
    _locale = LANGUAGE_DEFAULT;
    _language = LANGUAGE_DEFAULT;
    const rawNlsConfig = nodeProcess.env['VSCODE_NLS_CONFIG'];
    if (rawNlsConfig) {
        try {
            const nlsConfig = JSON.parse(rawNlsConfig);
            const resolved = nlsConfig.availableLanguages['*'];
            _locale = nlsConfig.locale;
            // VSCode's default language is 'en'
            _language = resolved ? resolved : LANGUAGE_DEFAULT;
            _translationsConfigFile = nlsConfig._translationsConfigFile;
        }
        catch (e) {
        }
    }
    _isNative = true;
}
// Unknown environment
else {
    console.error('Unable to resolve platform.');
}
let _platform = 0 /* Web */;
if (_isMacintosh) {
    _platform = 1 /* Mac */;
}
else if (_isWindows) {
    _platform = 3 /* Windows */;
}
else if (_isLinux) {
    _platform = 2 /* Linux */;
}
export const isWindows = _isWindows;
export const isMacintosh = _isMacintosh;
export const isLinux = _isLinux;
export const isNative = _isNative;
export const isWeb = _isWeb;
export const isIOS = _isIOS;
export const userAgent = _userAgent;
/**
 * The language used for the user interface. The format of
 * the string is all lower case (e.g. zh-tw for Traditional
 * Chinese)
 */
export const language = _language;
/**
 * The OS locale or the locale specified by --locale. The format of
 * the string is all lower case (e.g. zh-tw for Traditional
 * Chinese). The UI is not necessarily shown in the provided locale.
 */
export const locale = _locale;
/**
 * See https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#:~:text=than%204%2C%20then-,set%20timeout%20to%204,-.
 *
 * Works similarly to `setTimeout(0)` but doesn't suffer from the 4ms artificial delay
 * that browsers set when the nesting level is > 5.
 */
export const setTimeout0 = (() => {
    if (typeof globals.postMessage === 'function' && !globals.importScripts) {
        let pending = [];
        globals.addEventListener('message', (e) => {
            if (e.data && e.data.vscodeScheduleAsyncWork) {
                for (let i = 0, len = pending.length; i < len; i++) {
                    const candidate = pending[i];
                    if (candidate.id === e.data.vscodeScheduleAsyncWork) {
                        pending.splice(i, 1);
                        candidate.callback();
                        return;
                    }
                }
            }
        });
        let lastId = 0;
        return (callback) => {
            const myId = ++lastId;
            pending.push({
                id: myId,
                callback: callback
            });
            globals.postMessage({ vscodeScheduleAsyncWork: myId }, '*');
        };
    }
    return (callback) => setTimeout(callback);
})();
export const setImmediate = (function defineSetImmediate() {
    if (globals.setImmediate) {
        return globals.setImmediate.bind(globals);
    }
    if (typeof globals.postMessage === 'function' && !globals.importScripts) {
        return setTimeout0;
    }
    if (typeof (nodeProcess === null || nodeProcess === void 0 ? void 0 : nodeProcess.nextTick) === 'function') {
        return nodeProcess.nextTick.bind(nodeProcess);
    }
    const _promise = Promise.resolve();
    return (callback) => _promise.then(callback);
})();
export const OS = (_isMacintosh || _isIOS ? 2 /* Macintosh */ : (_isWindows ? 1 /* Windows */ : 3 /* Linux */));
let _isLittleEndian = true;
let _isLittleEndianComputed = false;
export function isLittleEndian() {
    if (!_isLittleEndianComputed) {
        _isLittleEndianComputed = true;
        const test = new Uint8Array(2);
        test[0] = 1;
        test[1] = 2;
        const view = new Uint16Array(test.buffer);
        _isLittleEndian = (view[0] === (2 << 8) + 1);
    }
    return _isLittleEndian;
}