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Check if a port is in use

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Test:

Ran a separate server on port 3000

```
Checking if port 3000 is free...
Extracting translateable strings from files...
Loading translation files...
Generating Metadata for Docs....
Generating Metadata for Docs....
server.js triggered...
Generating Metadata for Docs....
Extracting translateable strings from files...
listening on port: 3000
Open http://localhost:3000/
Port 3000 is in use
```

Fixes #124
This commit is contained in:
Joel Marcey 2017-10-23 18:27:21 -07:00
parent 58613545b6
commit 7bad58022c
2 changed files with 24 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

30
lib/start-server.js
View file

@ -8,22 +8,25 @@
*/
require("babel-register")({
babelrc: false,
only: [__dirname, process.cwd() + "/core"],
plugins: [require("./server/translate-plugin.js")],
presets: ["react", "env"]
babelrc: false,
only: [__dirname, process.cwd() + "/core"],
plugins: [require("./server/translate-plugin.js")],
presets: ["react", "env"]
});
// For verifying port usage
const tcpPortUsed = require('tcp-port-used');
// initial check that required files are present
const chalk = require("chalk");
const fs = require("fs");
const CWD = process.cwd();
if (!fs.existsSync(CWD + "/siteConfig.js")) {
console.error(
chalk.red("Error: No siteConfig.js file found in website folder!")
);
process.exit(1);
console.error(
chalk.red("Error: No siteConfig.js file found in website folder!")
);
process.exit(1);
}
const program = require("commander");
@ -32,6 +35,17 @@ program.option("--port <number>", "Specify port number").parse(process.argv);
const port = program.port || 3000;
console.log("Checking if port " + port + " is free...");
tcpPortUsed.check(port, "localhost")
.then(function(inUse) {
if (inUse) {
console.error(
chalk.red("Port " + port + " is in use")
);
process.exit(1);
}
});
// start local server on specified port
const server = require("./server/server.js");
server(port);