sync/index.js

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#!/usr/bin/env node
const ver = process.version.match(/v(\d+)\.\d+\.\d+/);
if (parseInt(ver[1], 10) < 6) {
console.error(
`node.js ${process.version} is not supported. ` +
'CyTube requires node v6 or later.'
)
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process.exit(1);
}
checkPlayerExists();
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const args = parseArgs();
if (args.has('--daemonize')) {
fork();
} else {
try {
require('./lib/main');
} catch (err) {
console.error('FATAL: Failed to require() lib/main.js');
handleStartupError(err);
}
}
function fork() {
try {
console.log('Warning: --daemonize support is experimental. Use with caution.');
const spawn = require('child_process').spawn;
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const path = require('path');
const main = path.resolve(__dirname, 'lib', 'main.js');
const child = spawn(process.argv[0], [main], {
detached: true,
stdio: 'ignore' // TODO: support setting stdout/stderr logfile
});
child.unref();
console.log('Forked with PID ' + child.pid);
} catch (error) {
console.error('FATAL: Failed to fork lib/main.js');
handleStartupError(error);
}
}
function handleStartupError(err) {
if (/module version mismatch/i.test(err.message)) {
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console.error('Module version mismatch, try running `npm rebuild` or ' +
'removing the node_modules folder and re-running ' +
'`npm install`');
} else {
console.error('Possible causes:\n' +
' * You haven\'t run `npm run build-server` to regenerate ' +
'the runtime\n' +
' * You\'ve upgraded node/npm and haven\'t rebuilt dependencies ' +
'(try `npm rebuild` or `rm -rf node_modules && npm install`)\n' +
' * A dependency failed to install correctly (check the output ' +
'of `npm install` next time)');
}
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console.error(err.stack);
process.exit(1);
}
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function parseArgs() {
const args = new Map();
for (var i = 2; i < process.argv.length; i++) {
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if (/^--/.test(process.argv[i])) {
var val;
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if (i+1 < process.argv.length) val = process.argv[i+1];
else val = null;
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args.set(process.argv[i], val);
}
}
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return args;
}
function checkPlayerExists() {
const fs = require('fs');
const path = require('path');
const playerDotJs = path.join(__dirname, 'www', 'js', 'player.js');
if (!fs.existsSync(playerDotJs)) {
console.error(
'Missing video player: www/js/player.js. This should have been ' +
'automatically generated by the postinstall step of ' +
'`npm install`, but you can manually regenerate it by running ' +
'`npm run build-player`'
);
process.exit(1);
}
}