Update dependencies and make input file required

Author: Anthonyzou

README.md

@@ -6,7 +6,7 @@ Install by running `npm i -g source-map-unpacker`
 # Usage
 
 ```
-Usage: source-map-unpacker [options]
+Usage: unmap [options]
 
 Options:
   -p, --path <p>    input map file

package.json

@@ -1,13 +1,13 @@
 {
   "name": "source-map-unpacker",
-  "version": "1.5.1",
+  "version": "1.5.2",
   "description": "",
   "main": "unmap.js",
   "bin": {
     "unpack": "unmap.js"
   },
   "scripts": {
-    "test": "node . -p test/gistfile1.txt  -o out"
+    "test": "node . -p test/gistfile1.js.map  -o out"
   },
   "repository": {
     "type": "git",
@@ -23,11 +23,11 @@
   "author": "Anthony Ou",
   "license": "MIT",
   "dependencies": {
-    "commander": "8.2.0",
-    "fs-extra": "10.0.0"
+    "commander": "9.3.0",
+    "fs-extra": "10.1.0"
   },
   "devDependencies": {
-    "@types/commander": "^2.12.2",
-    "@types/fs-extra": "^9.0.13"
+    "@types/fs-extra": "9.0.13",
+    "@types/node": "18.0.0"
   }
 }

pnpm-lock.yaml

@@ -1,22 +1,26 @@
 #!/usr/bin/env node
 
-const fs = require('fs-extra');
-const { resolve } = require('path');
-const { Command } = require('commander');
+const fs = require("fs-extra");
+const { resolve } = require("path");
+const { Command } = require("commander");
 const program = new Command();
 
 const opts = program
-  .option('-p, --path <p>', 'input source map file')
-  .option('-f, --filter <f>', 'filter out file names')
-  .option('-o, --output <o>', 'output folder', './')
+  .name("unmap")
+  .requiredOption("-p, --path <p>", "input source map file")
+  .option("-f, --filter <f>", "filter out file names")
+  .option("-o, --output <o>", "output folder", "./")
   .parse(process.argv)
   .opts();
 
+// stat output folder
 fs.stat(opts.output)
-  .then(async (exists) => {
+  .then(async () => {
+    // if output folder exists continue
     return fs.readFile(opts.path);
   })
-  .catch(async () => {
+  .catch(async (e) => {
+    // if output folder does not exist, make it.
     await fs.mkdir(opts.output);
     return fs.readFile(opts.path);
   })