feat: allow restricting output to specified packages

README.md

@@ -83,6 +83,7 @@ Options
 * `--summary` output a summary of the license usage',
 * `--failOn [list]` fail (exit with code 1) on the first occurrence of the licenses of the semicolon-separated list
 * `--onlyAllow [list]` fail (exit with code 1) on the first occurrence of the licenses not in the semicolon-seperated list
+* `--packages [list]` restrict output to the packages (package@version) in the semicolon-seperated list
 
 Exclusions
 ----------
@@ -102,6 +103,7 @@ license-checker --csv --out /path/to/licenses.csv
 license-checker --unknown
 license-checker --customPath customFormatExample.json
 license-checker --exclude 'MIT, MIT OR X11, BSD, ISC'
+license-checker --packages 'react@16.3.0;react-dom@16.3.0;lodash@4.3.1'
 license-checker --onlyunknown
 ```
 

bin/license-checker

@@ -37,6 +37,7 @@ if (args.help) {
         '   --summary output a summary of the license usage',
         '   --failOn [list] fail (exit with code 1) on the first occurrence of the licenses of the semicolon-separated list',
         '   --onlyAllow [list] fail (exit with code 1) on the first occurrence of the licenses not in the semicolon-seperated list',
+        '   --packages [list] restrict output to the packages (package@version) in the semicolon-seperated list',
         '',
         '   --version The current version',
         '   --help  The text you are reading right now :)',

lib/args.js

@@ -27,7 +27,8 @@ var nopt = require('nopt'),
         files: require('path'),
         summary: Boolean,
         failOn: String,
-        onlyAllow: String
+        onlyAllow: String,
+        packages: String
     },
     shorts = {
         "v": ["--version"],