source: trip-planner-front/node_modules/open/index.js

const path = require('path');
const childProcess = require('child_process');
const {promises: fs, constants: fsConstants} = require('fs');
const isWsl = require('is-wsl');
const isDocker = require('is-docker');
const defineLazyProperty = require('define-lazy-prop');

// Path to included `xdg-open`.
const localXdgOpenPath = path.join(__dirname, 'xdg-open');

const {platform, arch} = process;

/**
Get the mount point for fixed drives in WSL.

@inner
@returns {string} The mount point.
*/
const getWslDrivesMountPoint = (() => {
        // Default value for "root" param
        // according to https://docs.microsoft.com/en-us/windows/wsl/wsl-config
        const defaultMountPoint = '/mnt/';

        let mountPoint;

        return async function () {
                if (mountPoint) {
                        // Return memoized mount point value
                        return mountPoint;
                }

                const configFilePath = '/etc/wsl.conf';

                let isConfigFileExists = false;
                try {
                        await fs.access(configFilePath, fsConstants.F_OK);
                        isConfigFileExists = true;
                } catch {}

                if (!isConfigFileExists) {
                        return defaultMountPoint;
                }

                const configContent = await fs.readFile(configFilePath, {encoding: 'utf8'});
                const configMountPoint = /(?<!#.*)root\s*=\s*(?<mountPoint>.*)/g.exec(configContent);

                if (!configMountPoint) {
                        return defaultMountPoint;
                }

                mountPoint = configMountPoint.groups.mountPoint.trim();
                mountPoint = mountPoint.endsWith('/') ? mountPoint : `${mountPoint}/`;

                return mountPoint;
        };
})();

const pTryEach = async (array, mapper) => {
        let latestError;

        for (const item of array) {
                try {
                        return await mapper(item); // eslint-disable-line no-await-in-loop
                } catch (error) {
                        latestError = error;
                }
        }

        throw latestError;
};

const open = async (target, options) => {
        if (typeof target !== 'string') {
                throw new TypeError('Expected a `target`');
        }

        options = {
                wait: false,
                background: false,
                newInstance: false,
                allowNonzeroExitCode: false,
                ...options
        };

        if (Array.isArray(options.app)) {
                return pTryEach(options.app, singleApp => open(target, {
                        ...options,
                        app: singleApp
                }));
        }

        let {name: app, arguments: appArguments = []} = options.app || {};
        appArguments = [...appArguments];

        if (Array.isArray(app)) {
                return pTryEach(app, appName => open(target, {
                        ...options,
                        app: {
                                name: appName,
                                arguments: appArguments
                        }
                }));
        }

        let command;
        const cliArguments = [];
        const childProcessOptions = {};

        if (platform === 'darwin') {
                command = 'open';

                if (options.wait) {
                        cliArguments.push('--wait-apps');
                }

                if (options.background) {
                        cliArguments.push('--background');
                }

                if (options.newInstance) {
                        cliArguments.push('--new');
                }

                if (app) {
                        cliArguments.push('-a', app);
                }
        } else if (platform === 'win32' || (isWsl && !isDocker())) {
                const mountPoint = await getWslDrivesMountPoint();

                command = isWsl ?
                        `${mountPoint}c/Windows/System32/WindowsPowerShell/v1.0/powershell.exe` :
                        `${process.env.SYSTEMROOT}\\System32\\WindowsPowerShell\\v1.0\\powershell`;

                cliArguments.push(
                        '-NoProfile',
                        '-NonInteractive',
                        '–ExecutionPolicy',
                        'Bypass',
                        '-EncodedCommand'
                );

                if (!isWsl) {
                        childProcessOptions.windowsVerbatimArguments = true;
                }

                const encodedArguments = ['Start'];

                if (options.wait) {
                        encodedArguments.push('-Wait');
                }

                if (app) {
                        // Double quote with double quotes to ensure the inner quotes are passed through.
                        // Inner quotes are delimited for PowerShell interpretation with backticks.
                        encodedArguments.push(`"\`"${app}\`""`, '-ArgumentList');
                        appArguments.unshift(target);
                } else {
                        encodedArguments.push(`"${target}"`);
                }

                if (appArguments.length > 0) {
                        appArguments = appArguments.map(arg => `"\`"${arg}\`""`);
                        encodedArguments.push(appArguments.join(','));
                }

                // Using Base64-encoded command, accepted by PowerShell, to allow special characters.
                target = Buffer.from(encodedArguments.join(' '), 'utf16le').toString('base64');
        } else {
                if (app) {
                        command = app;
                } else {
                        // When bundled by Webpack, there's no actual package file path and no local `xdg-open`.
                        const isBundled = !__dirname || __dirname === '/';

                        // Check if local `xdg-open` exists and is executable.
                        let exeLocalXdgOpen = false;
                        try {
                                await fs.access(localXdgOpenPath, fsConstants.X_OK);
                                exeLocalXdgOpen = true;
                        } catch {}

                        const useSystemXdgOpen = process.versions.electron ||
                                platform === 'android' || isBundled || !exeLocalXdgOpen;
                        command = useSystemXdgOpen ? 'xdg-open' : localXdgOpenPath;
                }

                if (appArguments.length > 0) {
                        cliArguments.push(...appArguments);
                }

                if (!options.wait) {
                        // `xdg-open` will block the process unless stdio is ignored
                        // and it's detached from the parent even if it's unref'd.
                        childProcessOptions.stdio = 'ignore';
                        childProcessOptions.detached = true;
                }
        }

        cliArguments.push(target);

        if (platform === 'darwin' && appArguments.length > 0) {
                cliArguments.push('--args', ...appArguments);
        }

        const subprocess = childProcess.spawn(command, cliArguments, childProcessOptions);

        if (options.wait) {
                return new Promise((resolve, reject) => {
                        subprocess.once('error', reject);

                        subprocess.once('close', exitCode => {
                                if (options.allowNonzeroExitCode && exitCode > 0) {
                                        reject(new Error(`Exited with code ${exitCode}`));
                                        return;
                                }

                                resolve(subprocess);
                        });
                });
        }

        subprocess.unref();

        return subprocess;
};

function detectArchBinary(binary) {
        if (typeof binary === 'string' || Array.isArray(binary)) {
                return binary;
        }

        const {[arch]: archBinary} = binary;

        if (!archBinary) {
                throw new Error(`${arch} is not supported`);
        }

        return archBinary;
}

function detectPlatformBinary({[platform]: platformBinary}, {wsl}) {
        if (wsl && isWsl) {
                return detectArchBinary(wsl);
        }

        if (!platformBinary) {
                throw new Error(`${platform} is not supported`);
        }

        return detectArchBinary(platformBinary);
}

const apps = {};

defineLazyProperty(apps, 'chrome', () => detectPlatformBinary({
        darwin: 'google chrome',
        win32: 'chrome',
        linux: ['google-chrome', 'google-chrome-stable']
}, {
        wsl: {
                ia32: '/mnt/c/Program Files (x86)/Google/Chrome/Application/chrome.exe',
                x64: ['/mnt/c/Program Files/Google/Chrome/Application/chrome.exe', '/mnt/c/Program Files (x86)/Google/Chrome/Application/chrome.exe']
        }
}));

defineLazyProperty(apps, 'firefox', () => detectPlatformBinary({
        darwin: 'firefox',
        win32: 'C:\\Program Files\\Mozilla Firefox\\firefox.exe',
        linux: 'firefox'
}, {
        wsl: '/mnt/c/Program Files/Mozilla Firefox/firefox.exe'
}));

defineLazyProperty(apps, 'edge', () => detectPlatformBinary({
        darwin: 'microsoft edge',
        win32: 'msedge',
        linux: 'microsoft-edge'
}, {
        wsl: '/mnt/c/Program Files (x86)/Microsoft/Edge/Application/msedge.exe'
}));

open.apps = apps;

module.exports = open;