Code refactoring: Decoupling / Pass process.args as parameters

Author: ahmad-511

src/index.ts

@@ -3,15 +3,14 @@ import {createIfNot} from "./utils/fileUtils.js"
 import * as  path from "node:path"
 async function writeSQL(statement: string, saveFileAs = "", isAppend: boolean = false) {
   try {
-    const destinationFile = process.argv[2] || saveFileAs;
-    if (!destinationFile) {
+    if (!saveFileAs) {
       throw new Error("Missing saveFileAs parameter");
     }
-    createIfNot(path.resolve(`./sql/${destinationFile}.sql`))
-		if(isAppend){
-      await fs.appendFile(`sql/${process.argv[2]}.sql`, statement);
+    createIfNot(path.resolve(`./sql/${saveFileAs}.sql`))
+    if(isAppend){
+      await fs.appendFile(`sql/${saveFileAs}.sql`, statement);
     }else{
-      await fs.writeFile(`sql/${process.argv[2]}.sql`, statement);
+      await fs.writeFile(`sql/${saveFileAs}.sql`, statement);
     }
   } catch (err) {
     console.log(err);
@@ -20,10 +19,10 @@ async function writeSQL(statement: string, saveFileAs = "", isAppend: boolean =
 
 async function readCSV(csvFileName = "", batchSize: number = 0) {
   try {
-    const fileAndTableName = process.argv[2] || csvFileName;
+    const fileAndTableName = csvFileName || 'output';
 
-    batchSize = parseInt(process.argv[3]) || batchSize || 500;
-		let isAppend: boolean = false;
+    batchSize = batchSize || 500;
+    let isAppend: boolean = false;
 
     if (!fileAndTableName) {
       throw new Error("Missing csvFileName parameter");
@@ -91,5 +90,8 @@ async function readCSV(csvFileName = "", batchSize: number = 0) {
     console.log(err);
   }
 }
-readCSV();
+
+const outputFileName = process.argv[2];
+const batchSize = parseInt(process.argv[3]);
+readCSV(outputFileName, batchSize);
 console.log("Finished!");