OCram85/code-server
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Add port in use message (#418)

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* Add clear error message if port is in use

* Add bold function for text/numbers

* remove unused dependency:

* remove unused line break

* Change logger message

* Use NodeJS.ErrnoException type

* Add back check for error code
This commit is contained in:
John McCambridge 2019-04-03 15:50:52 -05:00 committed by Asher
parent dcf409aecb
commit 217515344e
1 changed files with 10 additions and 1 deletions
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11
packages/server/src/cli.ts
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@ -38,6 +38,10 @@ Error.stackTraceLimit = Infinity;
if (isCli) {
require("nbin").shimNativeFs(buildDir);
}
// Makes strings or numbers bold in stdout
const bold = (text: string | number): string | number => {
return `\u001B[1m${text}\u001B[0m`;
};
(async (): Promise<void> => {
const args = commander.args;
@ -234,7 +238,12 @@ if (isCli) {
logger.info(`WebSocket closed \u001B[0m${req.url}`, field("client", id), field("code", code));
});
});
app.wss.on("error", (err: NodeJS.ErrnoException) => {
if (err.code === "EADDRINUSE") {
logger.error(`Port ${bold(options.port)} is in use. Please free up port ${options.port} or specify a different port with the -p flag`);
process.exit(1);
}
});
if (!options.certKey && !options.cert) {
logger.warn("No certificate specified. \u001B[1mThis could be insecure.");
// TODO: fill in appropriate doc url