Merge pull request #5 from remcohaszing/skip-non-packagejson-files

fix: skip sorting non package.json files

lib/index.js

@@ -9,7 +9,10 @@ exports.parsers = {
       if (parser.preprocess) {
         text = parser.preprocess(text, options)
       }
-      return sortPackageJson(text)
+      if (options.filepath && /(^|\\|\/)package\.json$/.test(options.filepath)) {
+        return sortPackageJson(text)
+      }
+      return text
     },
   },
 }

test/index.js

@@ -80,10 +80,43 @@ const expected = `{
 }
 `
 
-const output = prettier.format(input, {
-  filepath: 'package.json',
-  plugins: ['.'],
+;['package.json', 'foo/bar/package.json', 'foo\\bar\\package.json'].forEach(filepath => {
+  const output = prettier.format(input, {
+    filepath,
+    plugins: ['.'],
+  })
+  console.log('Testing', filepath)
+  console.assert(output === expected, 'Output does not match expected output')
+  if (output !== expected) {
+    process.exitCode = 1
+  }
+  console.log()
+})
+;[
+  'Package.json',
+  'package.JSON',
+  'package-lock.json',
+  'composer.json',
+  'package.json/composer.json',
+  'foo.json',
+  'bar.js',
+  undefined,
+].forEach(filepath => {
+  const output = prettier.format(input, {
+    filepath,
+    parser: 'json-stringify',
+    plugins: ['.'],
+  })
+  console.log('Testing', filepath)
+  console.assert(output === input, 'Output does not match input')
+  if (output !== input) {
+    process.exitCode = 1
+  }
+  console.log()
 })
 
-console.assert(output === expected)
-console.log('\033[32mpassed!\033[39m')
+if (process.exitCode) {
+  console.log('\033[31mFailed!\033[39m')
+} else {
+  console.log('\033[32mpassed!\033[39m')
+}