All files / src/migrations 4.2.1.ts

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import { Rule, Tree } from '@angular-devkit/schematics';
import { tryRule } from './utils/rules';
import { updateModuleAndTarget } from '../utils/angular/json-utils';
 
const tsConfigFilePath = './tsconfig.spec.json';
const manualProcess = `
  ## Please update "module" in tsconfig.spec.json to "ES2020"
 
  So your file should look like this:
  {
    ...
    "compilerOptions": {
      ...,
      "module": "ES2020"
    },
    ...
  }
`;
 
export default function (): Rule {
  return tryRule((tree: Tree) => {
    updateModuleAndTarget(tree, tsConfigFilePath, {
      oldModule: 'commonjs',
      newModule: 'ES2020',
    });
  }, manualProcess);
}