Function updateProjectVersion

ng-dev/release/publish/actions.ts:131–153

* Updates the version in the project top-level `package.json` file. * * @param newVersion New SemVer version to be set in the file. * @param additionalUpdateFn Optional update function that runs before * the version update. Can be used to update other fields.

(
    newVersion: semver.SemVer,
    additionalUpdateFn?: (pkgJson: PackageJson) => void,
  )

   *   the version update. Can be used to update other fields.
   */
  protected async updateProjectVersion(
    newVersion: semver.SemVer,
    additionalUpdateFn?: (pkgJson: PackageJson) => void,
  ) {
    const pkgJsonPath = join(this.projectDir, workspaceRelativePackageJsonPath);
    const pkgJson = JSON.parse(await fs.readFile(pkgJsonPath, 'utf8')) as {
      version: string;
      [key: string]: any;
    };
    if (additionalUpdateFn !== undefined) {
      additionalUpdateFn(pkgJson);
    }
    pkgJson.version = newVersion.format();
    // Write the `package.json` file. Note that we add a trailing new line
    // to avoid unnecessary diff. IDEs usually add a trailing new line.
    await fs.writeFile(pkgJsonPath, `${JSON.stringify(pkgJson, null, 2)}\n`);
    Log.info(green(`  ✓   Updated project version to ${pkgJson.version}`));

    // TODO: remove when Angular version 19 is no longer in LTS.
    if (existsSync(join(this.projectDir, '.aspect'))) {
      await ExternalCommands.invokeBazelUpdateAspectLockFiles(this.projectDir);
    }
  }

  /*
   * Get the modified Aspect lock files if `rulesJsInteropMode` is enabled.