feat(cache): set options.clean as 'true' by default

Author: oscard0m

src/index.ts

@@ -86,7 +86,7 @@ const typescript: PluginImpl<RPT2Options> = (options) =>
 		{
 			check: true,
 			verbosity: VerbosityLevel.Warning,
-			clean: false,
+			clean: true,
 			cacheRoot: findCacheDir({ name: "rollup-plugin-typescript2" }),
 			include: ["*.ts+(|x)", "**/*.ts+(|x)"],
 			exclude: ["*.d.ts", "**/*.d.ts"],

src/tscache.ts

@@ -118,6 +118,7 @@ export class TsCache
 
 		if (noCache)
 		{
+			this.context.warn(yellow("Cleaning cache... If you want to use caching, please set `clean` option to false."));
 			this.clean();
 			return;
 		}