monorepo-next/src/version.js

Detach monorepo packages from normal linking

'use strict';

const semver = require('semver');

function trackNewVersion({
  name,
  oldRange,
  newRange,
  newVersion,
}) {
  let range = new semver.Range(newRange);

  if (range.set.length > 1) {
    console.warn(`Current range has an OR (${name} ${oldRange}) and is too hard to increment, falling back to ^`);
    newRange = `^${newVersion}`;
  } else if (range.set[0].length === 1) {
    if (
      // https://github.com/npm/node-semver/commit/bcab95a966413b978dc1e7bdbcb8f495b63303cd
      range.set[0][0].operator
    ) {
      // This behaviour can probably be removed in the next major.
      newRange = `~${newVersion}`;
    } else if (
      // NOTE: wildcard range is empty string
      // SEE: https://github.com/npm/node-semver/blob/bcab95a966413b978dc1e7bdbcb8f495b63303cd/test/ranges/to-comparators.js#L10-L12
      range.range === ''
    ) {
      // wildcards remain the same
      newRange = oldRange;
    } else {
      newRange = newVersion;
    }
  } else {
    let leftMajor = range.set[0][0].semver.major;
    let rightMajor = range.set[0][1].semver.major;

    if (leftMajor !== rightMajor) {
      newRange = `^${newVersion}`;
    } else {
      newRange = `~${newVersion}`;
    }
  }

  return newRange;
}

module.exports = {
  trackNewVersion,
};