All files / src/__testutils__ runPlugin.ts

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import { transformSync } from '@babel/core';
import plugin from '../index';
 
const cache = new Set<string>();
 
expect.addSnapshotSerializer({
  test(value) {
    return cache.has(value);
  },
  serialize(value) {
    return value as string;
  },
});
 
export function runPlugin(input: string, modules: unknown[]) {
  const result = transformSync(input, { plugins: [[plugin(), { modules }]] });
  const code = result?.code;
 
  if (code) {
    cache.add(code);
  }
 
  return code;
}