Remove output file check

Author: Anthonyzou

.gitignore

@@ -1,2 +1,3 @@
 node_modules
-out
+out
+*.tgz

README.md

@@ -9,8 +9,8 @@ Install by running `npm i -g source-map-unpacker`
 Usage: unmap [options]
 
 Options:
-  -p, --path <p>    input map file
-  -f, --filter <f>  string to filter out files
-  -o, --output <o>  output folder
-  -h, --help        output usage information
+  -p, --path <p>    input source map file
+  -f, --filter <f>  filter out file names
+  -o, --output <o>  output folder (default: "./")
+  -h, --help        display help for command
 ```

package.json

@@ -1,11 +1,14 @@
 {
   "name": "source-map-unpacker",
-  "version": "1.5.2",
+  "version": "1.5.3",
   "description": "",
   "main": "unmap.js",
   "bin": {
     "unpack": "unmap.js"
   },
+  "engines": {
+    "node": ">10"
+  },
   "scripts": {
     "test": "node . -p test/gistfile1.js.map  -o out"
   },

unmap.js

@@ -13,25 +13,20 @@ const opts = program
   .parse(process.argv)
   .opts();
 
-// stat output folder
-fs.stat(opts.output)
-  .then(async () => {
-    // if output folder exists continue
-    return fs.readFile(opts.path);
-  })
+fs.readFile(opts.path)
   .catch(async (e) => {
-    // if output folder does not exist, make it.
-    await fs.mkdir(opts.output);
-    return fs.readFile(opts.path);
+    console.log("Input file does not exists");
+    process.exit(1);
   })
   .then((js) => {
     js = JSON.parse(js.toString());
 
     const files = js.sources
       .filter((path) => (opts.filter ? path.includes(opts.filter) : true))
-      .map((path, idx) =>
-        fs.outputFile(resolve(opts.output, path), js.sourcesContent[idx])
-      );
+      .map((path, idx) => {
+        const outpath = resolve(opts.output, path);
+        return fs.outputFile(outpath, js.sourcesContent[idx]);
+      });
     return Promise.all(files);
   })
   .then(() => console.log(`${opts.path} unpacked`));