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import { readFileSync, readdirSync } from "fs";
import { join } from "path";
import { load } from "js-yaml";
import { exit } from "process";
import { Settings } from "./types";
import buildApp from "./app";
const settings = load(readFileSync(join(__dirname, "/../../../settings.yml"), "utf8")) as Settings;
const settings_keys = Object.keys(settings);
const mandatory_settings = [ "host", "port", "dev_port", "title", "about", "base_dir", "production" ];
// Make sure that all the required settings are present
const settings_not_included = mandatory_settings.filter(x => !settings_keys.includes(x));
if(settings_not_included.length !== 0) {
console.log(`Error: settings.yml is missing ${(settings_not_included.length > 1) ? "keys" : "key"}:`);
console.log(settings_not_included.join(", "));
exit(1);
}
// Make sure that there's not an excessive amount of settings
const mandatory_not_included = settings_keys.filter(x => !mandatory_settings.includes(x));
if(mandatory_not_included.length !== 0) {
console.log(`Error: settings.yml includes ${(mandatory_not_included.length > 1) ? "pointless keys" : "a pointless key"}:`);
console.log(mandatory_not_included.join(", "));
exit(1);
}
// Make sure that the base directory specified in the settings actually exists
try {
readdirSync(settings.base_dir);
}
catch {
console.error(`Error: Tried opening the base directory. No such directory: ${settings.base_dir}`);
exit(1);
}
const dist_dir = join(__dirname, "/../../client/dist");
if(settings.production) {
try {
readdirSync(dist_dir);
}
catch {
console.error("Error: Tried opening the dist directory but it doesn't exist.\nDid you accidentally turn on the production setting?");
exit(1);
}
}
const app = buildApp(settings, dist_dir);
app.listen(settings.port, settings.host, (err: Error, addr: string) => {
if(err) {
console.error(err);
exit(1);
}
console.log(`App is running on ${addr}`);
});
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