feat: Make config file argument optional

Config file default to config.json if argument is left empty.
schw4rzlicht · Jun 5, 2020 · 919f9c1 · 919f9c1
1 parent 4531c0a
commit 919f9c1
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Showing 2 changed files with 7 additions and 3 deletions.
diff --git a/README.md b/README.md
@@ -39,9 +39,11 @@ To run `twitch2ma`, just run the following command. Please be aware that you nee
 network, reachable under the IP adress you configured. You also have to have telnet turned on.
 
 ```bash
-twitch2ma <pathToConfigFile.json>
+twitch2ma [configFile]
 ```
 
+`configFile` is optional and defaults to `config.json`.
+
 ## Contribution
 
 If you have any issues, bugs, questions or want to contribute in any way, feel free to open an issue or a pull request. 
diff --git a/lib/index.ts b/lib/index.ts
@@ -19,8 +19,10 @@ program
 
 function main(configFile: string) {
 
-    if (!_.isString(configFile)) {
-        exitWithError(new Error("No config file specified!"));
+    let configFileIsDefault = !_.isString(configFile);
+
+    if (configFileIsDefault) {
+        configFile = "config.json";
     }
 
     let jsonObject = failOnErrorOrReturnValue(_.attempt(() => JSON.parse(Fs.readFileSync(configFile, {encoding: "utf-8"}))),