refactor: get value by key, prepare for #5

build-docs.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
 
+rm -rf docs
 mkdir -p docs
 cp README.md docs/
 echo "site_name: 'Laravel Socialite Providers'
@@ -8,7 +9,7 @@ nav:
     - index: 'README.md'" > mkdocs.yml
 
 for file in `ls */composer.json`; do
-    package_id=`node getValueFromJsonFile.js $file`
+    package_id=`node getValueFromJsonFile.js $file extra.component.id`
     echo $package_id
     dir_name=`dirname $file`
     cp $dir_name/README.md docs/$package_id.md

getValueFromJsonFile.js

@@ -1,8 +1,14 @@
 'use strict';
 
 const fs = require('fs');
+const getValue = (object, path) => path.split('.').reduce((o, k) => (o || {})[k], object),
+      data = { key: { subKey: 'value' } },
+      theString = 'key.subKey';
+
 const args = process.argv;
+const file = args[2];
+const key = args[3];
 
-let rawdata = fs.readFileSync(args[2]);
-let data = JSON.parse(rawdata);  
-console.log(data.extra.component.id);
+const raw = fs.readFileSync(file);
+const obj = JSON.parse(raw);
+console.log(getValue(obj, key));