chore: fix whitespace in inline.js

scripts/inline.js

@@ -2,26 +2,33 @@
 // This is a really dumb naive approach that only supports `module.exports =`
 
 var fs = require('fs');
+var r = new RegExp("( *).*?require\\('(.+?)'\\)", 'g');
 
-var debug = fs.readFileSync(__dirname + '/../content-scripts/inject.js', 'utf8');
+module.exports = function () {
+  var debug = fs.readFileSync(__dirname + '/../content-scripts/inject.js', 'utf8');
 
-var r = new RegExp("require\\('(.+?)'\\)", 'g');
+  var out = debug.replace(r, function (match, before, file) {
+    return ex(file, before);
+  });
 
-var out = debug.replace(r, function (match, file) {
-  return ex(file);
-});
-
-fs.writeFileSync(__dirname + '/../content-scripts/inject.build.js', out);
+  fs.writeFileSync(__dirname + '/../content-scripts/inject.build.js', out);
+};
 
 // takes the contents of a file, wraps it in a closure
 // and returns the result
-function ex (file) {
-  contents = fs.readFileSync(__dirname + '/../content-scripts/' + file, 'utf8');
+function ex (file, whitespace) {
+  var contents = fs.readFileSync(__dirname + '/../content-scripts/' + file, 'utf8');
   contents = contents.replace('module.exports = ', 'return ');
-  contents =  '(function () {\n' +
-                '// exported from ' + file + '\n' +
-                contents + '\n' +
-              '}())';
+  contents = ['// exported from ' + file,
+              '(function () {'].
+              concat(contents.split('\n').
+              map(function (line) {
+                return '  ' + line;
+              })).
+              concat(['}())']).
+              map(function (line) {
+                return whitespace + line;
+              }).join('\n');
 
   return contents;
-}
+}