{
  "version": 3,
  "sources": ["../../../lib/repl.ts"],
  "sourcesContent": ["/**\r\n * REPL\r\n *\r\n * Documented in logs/repl/README.md\r\n * https://github.com/smogon/pokemon-showdown/blob/master/logs/repl/README.md\r\n *\r\n * @author kota\r\n * @license MIT\r\n */\r\n\r\nimport * as fs from 'fs';\r\nimport * as net from 'net';\r\nimport * as path from 'path';\r\nimport * as repl from 'repl';\r\nimport {crashlogger} from './crashlogger';\r\nimport {FS} from './fs';\r\ndeclare const Config: any;\r\n\r\nexport const Repl = new class {\r\n\t/**\r\n\t * Contains the pathnames of all active REPL sockets.\r\n\t */\r\n\tsocketPathnames: Set<string> = new Set();\r\n\r\n\tlistenersSetup = false;\r\n\r\n\tsetupListeners(filename: string) {\r\n\t\tif (Repl.listenersSetup) return;\r\n\t\tRepl.listenersSetup = true;\r\n\t\t// Clean up REPL sockets and child processes on forced exit.\r\n\t\tprocess.once('exit', code => {\r\n\t\t\tfor (const s of Repl.socketPathnames) {\r\n\t\t\t\ttry {\r\n\t\t\t\t\tfs.unlinkSync(s);\r\n\t\t\t\t} catch {}\r\n\t\t\t}\r\n\t\t\tif (code === 129 || code === 130) {\r\n\t\t\t\tprocess.exitCode = 0;\r\n\t\t\t}\r\n\t\t});\r\n\t\tif (!process.listeners('SIGHUP').length) {\r\n\t\t\tprocess.once('SIGHUP', () => process.exit(128 + 1));\r\n\t\t}\r\n\t\tif (!process.listeners('SIGINT').length) {\r\n\t\t\tprocess.once('SIGINT', () => process.exit(128 + 2));\r\n\t\t}\r\n\t\t(global as any).heapdump = (targetPath?: string) => {\r\n\t\t\tif (!targetPath) targetPath = `${filename}-${new Date().toISOString()}`;\r\n\t\t\tlet handler;\r\n\t\t\ttry {\r\n\t\t\t\thandler = require('node-oom-heapdump')();\r\n\t\t\t} catch (e: any) {\r\n\t\t\t\tif (e.code !== 'MODULE_NOT_FOUND') throw e;\r\n\t\t\t\tthrow new Error(`node-oom-heapdump is not installed. Run \\`npm install --no-save node-oom-heapdump\\` and try again.`);\r\n\t\t\t}\r\n\t\t\treturn handler.createHeapSnapshot(targetPath);\r\n\t\t};\r\n\t}\r\n\r\n\t/**\r\n\t * Starts a REPL server, using a UNIX socket for IPC. The eval function\r\n\t * parametre is passed in because there is no other way to access a file's\r\n\t * non-global context.\r\n\t */\r\n\tstart(filename: string, evalFunction: (input: string) => any) {\r\n\t\tconst config = typeof Config !== 'undefined' ? Config : {};\r\n\t\tif (config.repl !== undefined && !config.repl) return;\r\n\r\n\t\t// TODO: Windows does support the REPL when using named pipes. For now,\r\n\t\t// this only supports UNIX sockets.\r\n\r\n\t\tRepl.setupListeners(filename);\r\n\r\n\t\tif (filename === 'app') {\r\n\t\t\t// Clean up old REPL sockets.\r\n\t\t\tconst directory = path.dirname(\r\n\t\t\t\tpath.resolve(FS.ROOT_PATH, config.replsocketprefix || 'logs/repl', 'app')\r\n\t\t\t);\r\n\t\t\tlet files;\r\n\t\t\ttry {\r\n\t\t\t\tfiles = fs.readdirSync(directory);\r\n\t\t\t} catch {}\r\n\t\t\tif (files) {\r\n\t\t\t\tfor (const file of files) {\r\n\t\t\t\t\tconst pathname = path.resolve(directory, file);\r\n\t\t\t\t\tconst stat = fs.statSync(pathname);\r\n\t\t\t\t\tif (!stat.isSocket()) continue;\r\n\r\n\t\t\t\t\tconst socket = net.connect(pathname, () => {\r\n\t\t\t\t\t\tsocket.end();\r\n\t\t\t\t\t\tsocket.destroy();\r\n\t\t\t\t\t}).on('error', () => {\r\n\t\t\t\t\t\tfs.unlink(pathname, () => {});\r\n\t\t\t\t\t});\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tconst server = net.createServer(socket => {\r\n\t\t\trepl.start({\r\n\t\t\t\tinput: socket,\r\n\t\t\t\toutput: socket,\r\n\t\t\t\teval(cmd, context, unusedFilename, callback) {\r\n\t\t\t\t\ttry {\r\n\t\t\t\t\t\treturn callback(null, evalFunction(cmd));\r\n\t\t\t\t\t} catch (e: any) {\r\n\t\t\t\t\t\treturn callback(e, undefined);\r\n\t\t\t\t\t}\r\n\t\t\t\t},\r\n\t\t\t}).on('exit', () => socket.end());\r\n\t\t\tsocket.on('error', () => socket.destroy());\r\n\t\t});\r\n\r\n\t\tconst pathname = path.resolve(FS.ROOT_PATH, Config.replsocketprefix || 'logs/repl', filename);\r\n\t\ttry {\r\n\t\t\tserver.listen(pathname, () => {\r\n\t\t\t\tfs.chmodSync(pathname, Config.replsocketmode || 0o600);\r\n\t\t\t\tRepl.socketPathnames.add(pathname);\r\n\t\t\t});\r\n\r\n\t\t\tserver.once('error', (err: NodeJS.ErrnoException) => {\r\n\t\t\t\tserver.close();\r\n\t\t\t\tif (err.code === \"EADDRINUSE\") {\r\n\t\t\t\t\tfs.unlink(pathname, _err => {\r\n\t\t\t\t\t\tif (_err && _err.code !== \"ENOENT\") {\r\n\t\t\t\t\t\t\tcrashlogger(_err, `REPL: ${filename}`);\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t});\r\n\t\t\t\t} else if (err.code === \"EACCES\") {\r\n\t\t\t\t\tif (process.platform !== 'win32') {\r\n\t\t\t\t\t\tconsole.error(`Could not start REPL server \"${filename}\": Your filesystem doesn't support Unix sockets (everything else will still work)`);\r\n\t\t\t\t\t}\r\n\t\t\t\t} else {\r\n\t\t\t\t\tcrashlogger(err, `REPL: ${filename}`);\r\n\t\t\t\t}\r\n\t\t\t});\r\n\r\n\t\t\tserver.once('close', () => {\r\n\t\t\t\tRepl.socketPathnames.delete(pathname);\r\n\t\t\t});\r\n\t\t} catch (err) {\r\n\t\t\tconsole.error(`Could not start REPL server \"${filename}\": ${err}`);\r\n\t\t}\r\n\t}\r\n};\r\n"],
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