GT2/GT2-Android/node_modules/xdl/build/UserSettings.js.flow

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/**
* @flow
*/
import fs from 'fs';
import uuid from 'uuid';
import JsonFile from '@expo/json-file';
import mkdirp from 'mkdirp';
import path from 'path';
import * as Env from './Env';
const SETTINGS_FILE_NAME = 'state.json';
function userSettingsFile() {
let dir = dotExpoHomeDirectory();
let file = path.join(dir, SETTINGS_FILE_NAME);
try {
// move exponent.json to state.json
let oldFile = path.join(dir, 'exponent.json');
if (fs.statSync(oldFile).isFile()) {
fs.renameSync(oldFile, file);
}
} catch (e) {
// no old directory, continue
}
return file;
}
function userSettingsJsonFile() {
return new JsonFile(userSettingsFile(), {
jsonParseErrorDefault: {},
cantReadFileDefault: {},
});
}
function recentExpsJsonFile() {
return new JsonFile(path.join(dotExpoHomeDirectory(), 'xde-recent-exps.json'), {
jsonParseErrorDefault: [],
cantReadFileDefault: [],
});
}
var mkdirped = false;
function dotExpoHomeDirectory() {
let dirPath;
if (process.env.__UNSAFE_EXPO_HOME_DIRECTORY) {
dirPath = process.env.__UNSAFE_EXPO_HOME_DIRECTORY;
} else {
const home = Env.home();
if (!home) {
throw new Error(
"Can't determine your home directory; make sure your $HOME environment variable is set."
);
}
dirPath = path.join(home, '.expo');
try {
// move .exponent to .expo
let oldDirPath = path.join(home, '.exponent');
if (fs.statSync(oldDirPath).isDirectory()) {
fs.renameSync(oldDirPath, dirPath);
}
} catch (e) {
// no old directory, continue
}
}
if (!mkdirped) {
mkdirp.sync(dirPath);
mkdirped = true;
}
return dirPath;
}
// returns an anonymous, unique identifier for a user on the current computer
async function anonymousIdentifier(): Promise<string> {
const settings = await userSettingsJsonFile();
let id = await settings.getAsync('uuid', null);
if (!id) {
id = uuid.v4();
await settings.setAsync('uuid', id);
}
return id;
}
const UserSettings = userSettingsJsonFile();
Object.assign(UserSettings, {
dotExpoHomeDirectory,
recentExpsJsonFile,
userSettingsFile,
userSettingsJsonFile,
anonymousIdentifier,
SETTINGS_FILE_NAME,
});
export default UserSettings;