add -ignoreUnknown to cli

src/index.ts

@@ -21,6 +21,7 @@ function startMaster() {
     .option('--concurrency [value]', 'Maximum concurrency', String(cpus().length))
     .option('-q, --quiet', 'If set, pprettier will not output progress')
     .option('--ignore-path [value]', 'Path to an ignore file', '.prettierignore')
+    .option('--ignore-unknown', 'Ignore unknown options in config files')
     .version(`@mixer/parallel-prettier version ${version} / prettier version ${prettier.version}`)
     .parse(process.argv);
 
@@ -33,6 +34,7 @@ function startMaster() {
     quiet: opts.quiet,
     write: opts.write,
     ignorePath: opts.ignorePath,
+    ignoreUnknown: opts.ignoreUnknown,
   });
 }
 

src/protocol.ts

@@ -25,6 +25,7 @@ export const enum WorkerMode {
 export interface IInitializationMessage {
   type: MessageType.WorkerInitialization;
   mode: WorkerMode.Write;
+  ignoreUnknown?: boolean;
 }
 
 /**
@@ -82,4 +83,5 @@ export interface IOptions {
   quiet: boolean;
   files: string[];
   ignorePath: string;
+  ignoreUnknown?: boolean;
 }

src/worker-pool.ts

@@ -83,6 +83,7 @@ export class WorkerPool {
         ? WorkerMode.Write
         : WorkerMode.Print,
       type: MessageType.WorkerInitialization,
+      ignoreUnknown: this.options.ignoreUnknown,
     } as IInitializationMessage);
   }
 }

src/worker.ts

@@ -42,6 +42,7 @@ function runFormatting(
         formatted = await prettier.format(contents, {
           ...(await prettier.resolveConfig(file.path)),
           filepath: file.path,
+          ...(settings.ignoreUnknown !== undefined && { ignoreUnknown: settings.ignoreUnknown }),
         });
       } catch (e) {
         process.stderr.write('\r\n' + inspect(e) + '\r\n');