feat: add a strict json formatting option

Author: dominykas

bin/detect-node-support

@@ -3,6 +3,7 @@
 'use strict';
 
 const Minimist = require('minimist');
+const Util = require('util');
 
 const NodeSupport = require('..');
 
@@ -11,17 +12,18 @@ const internals = {};
 internals.help = () => {
 
     return `
-Usage: detect-node-support [--deps] <what>
+Usage: detect-node-support [--deps] [--json] <what>
 
   <what> can be an npm package name, or a Github URL, or a path 
   with a package.json.
 
 Options:
   --deps    Include the support information of all dependencies
+  --json    Print JSON formatted output
 `;
 };
 
-exports.main = async ({ _: [what], deps }) => {
+exports.main = async ({ _: [what], deps, json }) => {
 
     if (!what) {
         console.log(internals.help());
@@ -30,10 +32,15 @@ exports.main = async ({ _: [what], deps }) => {
 
     const result = await NodeSupport.detect(what, { deps });
 
-    console.log(result);
+    if (json) {
+        console.log(JSON.stringify(result, null, '  '));
+    }
+    else {
+        console.log(Util.inspect(result, false, null, true));
+    }
 };
 
-exports.main(Minimist(process.argv.slice(2), { boolean: 'deps' }))
+exports.main(Minimist(process.argv.slice(2), { boolean: ['deps', 'json'] }))
     .catch((err) => {
 
         console.error(err);