fix: getIndentationCharacter is not working when buffer is passed

Author: rosen-vladimirov

projectHelpers.js

@@ -54,7 +54,7 @@ const writePackageJson = (content, projectDir) => {
 }
 
 const getIndentationCharacter = (jsonContent) => {
- const matches = jsonContent.match(/{\r*\n*(\W*)"/m);
+ const matches = jsonContent && jsonContent.toString().match(/{\r*\n*(\W*)"/m);
  return matches && matches[1];
 }
 

projectHelpers.spec.js

@@ -18,6 +18,11 @@ describe('projectHelpers', () => {
  {
  testName: 'returns two spaces when file starts with two spaces',
  input: `{${twoSpaces}"abc": "1"${twoSpaces}}`,
+ expectedResult: twoSpaces
+},
+{
+ testName: 'returns two spaces when file starts with two spaces and binary content is passed',
+ input: Buffer.from(`{${twoSpaces}"abc": "1"${twoSpaces}}`),
  expectedResult: twoSpaces
  },
  {