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'use strict';
const spawn = require('child_process').spawn;
const path = require('path');
const format = require('util').format;
const importLazy = require('import-lazy')(require);
const configstore = importLazy('configstore');
const chalk = importLazy('chalk');
const semverDiff = importLazy('semver-diff');
const latestVersion = importLazy('latest-version');
const isNpm = importLazy('is-npm');
const boxen = importLazy('boxen');
const xdgBasedir = importLazy('xdg-basedir');
const ONE_DAY = 1000 * 60 * 60 * 24;
class UpdateNotifier {
constructor(options) {
options = options || {};
this.options = options;
options.pkg = options.pkg || {};
// Reduce pkg to the essential keys. with fallback to deprecated options
// TODO: Remove deprecated options at some point far into the future
options.pkg = {
name: options.pkg.name || options.packageName,
version: options.pkg.version || options.packageVersion
};
if (!options.pkg.name || !options.pkg.version) {
throw new Error('pkg.name and pkg.version required');
}
this.packageName = options.pkg.name;
this.packageVersion = options.pkg.version;
this.updateCheckInterval = typeof options.updateCheckInterval === 'number' ? options.updateCheckInterval : ONE_DAY;
this.hasCallback = typeof options.callback === 'function';
this.callback = options.callback || (() => {});
this.disabled = 'NO_UPDATE_NOTIFIER' in process.env ||
process.argv.indexOf('--no-update-notifier') !== -1;
if (!this.disabled && !this.hasCallback) {
try {
const ConfigStore = configstore();
this.config = new ConfigStore(`update-notifier-${this.packageName}`, {
optOut: false,
// Init with the current time so the first check is only
// after the set interval, so not to bother users right away
lastUpdateCheck: Date.now()
});
} catch (err) {
// Expecting error code EACCES or EPERM
const msg =
chalk().yellow(format(' %s update check failed ', options.pkg.name)) +
format('\n Try running with %s or get access ', chalk().cyan('sudo')) +
'\n to the local update config store via \n' +
chalk().cyan(format(' sudo chown -R $USER:$(id -gn $USER) %s ', xdgBasedir().config));
process.on('exit', () => {
console.error('\n' + boxen()(msg, {align: 'center'}));
});
}
}
}
check() {
if (this.hasCallback) {
this.checkNpm()
.then(update => this.callback(null, update))
.catch(err => this.callback(err));
return;
}
if (
!this.config ||
this.config.get('optOut') ||
this.disabled
) {
return;
}
this.update = this.config.get('update');
if (this.update) {
this.config.delete('update');
}
// Only check for updates on a set interval
if (Date.now() - this.config.get('lastUpdateCheck') < this.updateCheckInterval) {
return;
}
// Spawn a detached process, passing the options as an environment property
spawn(process.execPath, [path.join(__dirname, 'check.js'), JSON.stringify(this.options)], {
detached: true,
stdio: 'ignore'
}).unref();
}
checkNpm() {
return latestVersion()(this.packageName).then(latestVersion => {
return {
latest: latestVersion,
current: this.packageVersion,
type: semverDiff()(this.packageVersion, latestVersion) || 'latest',
name: this.packageName
};
});
}
notify(opts) {
if (!process.stdout.isTTY || isNpm() || !this.update) {
return this;
}
opts = Object.assign({isGlobal: true}, opts);
opts.message = opts.message || 'Update available ' + chalk().dim(this.update.current) + chalk().reset(' → ') +
chalk().green(this.update.latest) + ' \nRun ' + chalk().cyan('npm i ' + (opts.isGlobal ? '-g ' : '') + this.packageName) + ' to update';
opts.boxenOpts = opts.boxenOpts || {
padding: 1,
margin: 1,
align: 'center',
borderColor: 'yellow',
borderStyle: 'round'
};
const message = '\n' + boxen()(opts.message, opts.boxenOpts);
if (opts.defer === false) {
console.error(message);
} else {
process.on('exit', () => {
console.error(message);
});
process.on('SIGINT', () => {
console.error('');
process.exit();
});
}
return this;
}
}
module.exports = options => {
const updateNotifier = new UpdateNotifier(options);
updateNotifier.check();
return updateNotifier;
};
module.exports.UpdateNotifier = UpdateNotifier;
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