update to remove big dependencies

Author: noogen

bin/text-file-diff

@@ -1,17 +1,16 @@
 #!/usr/bin/env node
-
-const yargs = require('yargs');
 const LargeFileDiff = require('../index.js');
 
-const argv = yargs
-  .usage('$0 file1 file2')
-  .help('help').alias('help', 'h').describe('h', 'Show help.')
-  .epilog('Home page and docs: https://github.com/niiknow/text-file-diff')
-  .demand(2)
-  .argv;
+const argv = process.argv;
+
+if (argv.length < 4) {
+  console.log('-: require two files as arguments');
+  console.log('usage: text-file-diff file1 file2\n');
+  process.exit(1);
+}
 
-const file1 = argv._[0];
-const file2 = argv._[1];
+const file1 = argv[2];
+const file2 = argv[3];
 
 const lfd = new LargeFileDiff({
   skipHeader: argv.skipHeader

package.json

@@ -1,6 +1,6 @@
 {
   "name": "text-file-diff",
-  "version": "1.0.5",
+  "version": "1.0.6",
   "description": "line by line diff of two large files",
   "license": "MIT",
   "repository": "niiknow/text-file-diff",
@@ -28,12 +28,11 @@
     "compare-files"
   ],
   "dependencies": {
-    "n-readlines": "^0.2.8",
-    "yargs": "^9.0.1"
+    "n-readlines": "^0.2.8"
   },
   "devDependencies": {
     "ava": "^0.20.0",
-    "nyc": "^11.0.0",
+    "nyc": "^11.4.1",
     "xo": "^0.18.2"
   },
   "xo": {