Automate NPM package releases (#1119)

packages/rrdom/test/utils.ts

@@ -1,7 +1,7 @@
 import * as rollup from 'rollup';
 import * as typescript from 'rollup-plugin-typescript2';
 import resolve from '@rollup/plugin-node-resolve';
-const _typescript = (typescript as unknown) as typeof typescript.default;
+const _typescript = typescript as unknown as typeof typescript.default;
 
 /**
  * Use rollup to compile an input TS script into JS code string.
@@ -10,10 +10,10 @@ export async function compileTSCode(inputFilePath: string) {
   const bundle = await rollup.rollup({
     input: inputFilePath,
     plugins: [
-      (resolve() as unknown) as rollup.Plugin,
-      (_typescript({
+      resolve() as unknown as rollup.Plugin,
+      _typescript({
         tsconfigOverride: { compilerOptions: { module: 'ESNext' } },
-      }) as unknown) as rollup.Plugin,
+      }) as unknown as rollup.Plugin,
     ],
   });
   const {