Function loadConfigFromFileAndTrack

cli/run/watch-cli.ts:34–65

(configFile: string)

	process.on('uncaughtException', closeWithError);

	async function loadConfigFromFileAndTrack(configFile: string): Promise<void> {
		let configFileData: string | null = null;
		let configFileRevision = 0;

		configWatcher = chokidar.watch(configFile).on('change', reloadConfigFile);
		await reloadConfigFile();

		async function reloadConfigFile() {
			try {
				const newConfigFileData = await readFile(configFile, 'utf8');
				if (newConfigFileData === configFileData) {
					return;
				}
				configFileRevision++;
				const currentConfigFileRevision = configFileRevision;
				if (configFileData) {
					stderr(`\nReloading updated config...`);
				}
				configFileData = newConfigFileData;
				const { options, warnings } = await loadConfigFile(configFile, command, true);
				if (currentConfigFileRevision !== configFileRevision) {
					return;
				}
				if (watcher) {
					await watcher.close();
				}
				start(options, warnings);
			} catch (error: any) {
				handleError(error, true);
			}
		}
	}

	if (configFile) {
		await loadConfigFromFileAndTrack(configFile);