react/scripts/release/prepare-release-from-npm-commands/confirm-stable-version-numbers.js

#!/usr/bin/env node

'use strict';

const prompt = require('prompt-promise');
const semver = require('semver');
const theme = require('../theme');
const {confirm} = require('../utils');

const run = async ({ci, skipPackages}, versionsMap) => {
  const groupedVersionsMap = new Map();

  // Group packages with the same source versions.
  // We want these to stay lock-synced anyway.
  // This will require less redundant input from the user later,
  // and reduce the likelihood of human error (entering the wrong version).
  versionsMap.forEach((version, packageName) => {
    if (!groupedVersionsMap.has(version)) {
      groupedVersionsMap.set(version, [packageName]);
    } else {
      groupedVersionsMap.get(version).push(packageName);
    }
  });

  if (ci !== true) {
    // Prompt user to confirm or override each version group if not running in CI.
    const entries = [...groupedVersionsMap.entries()];
    for (let i = 0; i < entries.length; i++) {
      const [bestGuessVersion, packages] = entries[i];
      const packageNames = packages.map(name => theme.package(name)).join(', ');

      let version = bestGuessVersion;
      if (
        skipPackages.some(skipPackageName => packages.includes(skipPackageName))
      ) {
        await confirm(
          theme`{spinnerSuccess ✓} Version for ${packageNames} will remain {version ${bestGuessVersion}}`
        );
      } else {
        const defaultVersion = bestGuessVersion
          ? theme.version(` (default ${bestGuessVersion})`)
          : '';
        version =
          (await prompt(
            theme`{spinnerSuccess ✓} Version for ${packageNames}${defaultVersion}: `
          )) || bestGuessVersion;
        prompt.done();
      }

      // Verify a valid version has been supplied.
      try {
        semver(version);

        packages.forEach(packageName => {
          versionsMap.set(packageName, version);
        });
      } catch (error) {
        console.log(
          theme`{spinnerError ✘} Version {version ${version}} is invalid.`
        );

        // Prompt again
        i--;
      }
    }
  }
};

// Run this directly because it's fast,
// and logPromise would interfere with console prompting.
module.exports = run;