nrwl--nx/scripts/angular-support-upgrades/update-version-utils.ts

import { readFileSync, writeFileSync } from 'fs';

function updateAngularVersionUtils(
  packageVersionMap: Map<string, string>,
  isPrerelease: boolean
) {
  const pathToFile = 'packages/angular/src/utils/versions.ts';
  let versionUtilContents = readFileSync(pathToFile, { encoding: 'utf-8' });

  const angularVersion = packageVersionMap.get('@angular/core')!;
  const angularDevkitVersion = packageVersionMap.get('@angular/cli')!;
  const ngPackagrVersion = packageVersionMap.get('ng-packagr')!;
  const zoneJsVersion = packageVersionMap.get('zone.js');
  const rxjsVersion = packageVersionMap.get('rxjs');

  versionUtilContents = versionUtilContents.replace(
    /export const angularVersion = '.+';/,
    `export const angularVersion = '${
      isPrerelease ? angularVersion : `~${angularVersion}`
    }';`
  );
  versionUtilContents = versionUtilContents.replace(
    /export const angularDevkitVersion = '.+';/,
    `export const angularDevkitVersion = '${
      isPrerelease ? angularDevkitVersion : `~${angularDevkitVersion}`
    }';`
  );
  versionUtilContents = versionUtilContents.replace(
    /export const ngPackagrVersion = '.+';/,
    `export const ngPackagrVersion = '${
      isPrerelease ? ngPackagrVersion : `~${ngPackagrVersion}`
    }';`
  );
  if (zoneJsVersion) {
    versionUtilContents = versionUtilContents.replace(
      /export const zoneJsVersion = '.+';/,
      `export const zoneJsVersion = '${
        isPrerelease ? zoneJsVersion : `~${zoneJsVersion}`
      }';`
    );
  }
  if (rxjsVersion) {
    versionUtilContents = versionUtilContents.replace(
      /export const rxjsVersion = '.+';/,
      `export const rxjsVersion = '${
        isPrerelease ? rxjsVersion : `~${rxjsVersion}`
      }';`
    );
  }

  writeFileSync(pathToFile, versionUtilContents);
}

function updateWorkspaceAngularVersionUtils(
  packageVersionMap: Map<string, string>,
  isPrerelease: boolean
) {
  const pathToFile = 'packages/workspace/src/utils/versions.ts';
  let versionUtilContents = readFileSync(pathToFile, { encoding: 'utf-8' });

  const angularDevkitVersion = packageVersionMap.get('@angular/cli')!;

  versionUtilContents = versionUtilContents.replace(
    /export const angularCliVersion = '.+';/,
    `export const angularCliVersion = '${
      isPrerelease ? angularDevkitVersion : `~${angularDevkitVersion}`
    }';`
  );

  writeFileSync(pathToFile, versionUtilContents);
}

export function updateVersionUtils(
  packageVersionMap: Map<string, string>,
  isPrerelease: boolean
) {
  console.log('⏳ - Writing Util Files...');
  updateAngularVersionUtils(packageVersionMap, isPrerelease);
  updateWorkspaceAngularVersionUtils(packageVersionMap, isPrerelease);
  console.log('✅ - Wrote Util Files');
}