getConfigsOfProjectsToRun.ts

import {Config} from '@jest/types';

export default function getConfigsOfProjectsToRun(
  argv: Config.Argv,
  projectConfigs: Array<Config.ProjectConfig>,
): Array<Config.ProjectConfig> {
  if (!argv.runProjects) {
    return projectConfigs;
  }
  const namesOfProjectsToRun = new Set(argv.runProjects);
  return projectConfigs.filter(config => namesOfProjectsToRun.has(config.name));
}