arg parser

args.js

@@ -0,0 +1,26 @@
+let argRegex = new RegExp('(\-\-[a-zA-Z0-9]+)(=)(.*)');
+
+const parseArgs = () => {
+  let _args = { '_': [] };
+  [...process.argv.slice(2)].forEach(arg => {
+    let result = argRegex.exec(arg);
+    if (!!result) {
+      _args[result[1].replace('--','')] = result[3];
+    } else {
+      _args['_'].push(arg);
+    }
+  });
+
+  return _args;
+}
+
+export const args = parseArgs();
+
+export const getArg = (argName) => {
+  let arg = args[argName];
+  if (!!arg) {
+    return arg;
+  } else {
+    throw(`${argName} was not supplied!`);
+  }
+}