Support writing to multiple paths within out files

README.md

@@ -91,3 +91,5 @@ The `path` option (default: `"version"`) can be used to change a different prope
   }
 }
 ```
+
+Multiple paths can be provided using an array.

index.js

@@ -86,18 +86,18 @@ class Bumper extends Plugin {
         const parsed = await parse(data, type);
         const indent = typeof data === 'string' ? detectIndent(data).indent || '  ' : null;
 
+        if (typeof parsed !== 'string') {
+          castArray(path).forEach(path => set(parsed, path, version));
+        }
+
         switch (type) {
           case 'json':
-            set(parsed, path, version);
             return writeFile(file, JSON.stringify(parsed, null, indent) + '\n');
           case 'yaml':
-            set(parsed, path, version);
             return writeFile(file, yaml.safeDump(parsed, { indent: indent.length }) + '\n');
           case 'toml':
-            set(parsed, path, version);
             return writeFile(file, toml.stringify(parsed));
           case 'ini':
-            set(parsed, path, version);
             return writeFile(file, ini.encode(parsed));
           default:
             const versionMatch = new RegExp((latestVersion || '').replace(/[.*+?^${}()|[\]\\]/g, '\\$&'), 'g');

test.js

@@ -69,6 +69,18 @@ test('should write version at path', async () => {
   assert.equal(readFile('./deep.json'), JSON.stringify({ deep: { sub: { version: '1.2.3' } } }, null, '  '));
 });
 
+test('should write version at multiple paths', async () => {
+  const options = {
+    [namespace]: { out: { file: './multi.json', path: ['version', 'deep.version', 'deep.sub.version'] } }
+  };
+  const plugin = factory(Plugin, { namespace, options });
+  await plugin.bump('1.2.3');
+  assert.equal(
+    readFile('./multi.json'),
+    JSON.stringify({ version: '1.2.3', deep: { version: '1.2.3', sub: { version: '1.2.3' } } }, null, '  ')
+  );
+});
+
 test('should write plain version text file', async () => {
   const options = { [namespace]: { out: [{ file: './VERSION', type: 'text/plain' }] } };
   const plugin = factory(Plugin, { namespace, options });