rollup-version.js

const versionRegexp = /\^(\d+\.\d+\.\d+)/g;

export default function validateVersion(actualVersion, peerDependencyVersion) {
  let minMajor = Infinity;
  let minMinor = Infinity;
  let minPatch = Infinity;
  let foundVersion;
  // eslint-disable-next-line no-cond-assign
  while ((foundVersion = versionRegexp.exec(peerDependencyVersion))) {
    const [foundMajor, foundMinor, foundPatch] = foundVersion[1].split('.').map(Number);
    if (foundMajor < minMajor) {
      minMajor = foundMajor;
      minMinor = foundMinor;
      minPatch = foundPatch;
    }
  }
  if (!actualVersion) {
    throw new Error(
      `Insufficient Rollup version: "@rollup/plugin-node-resolve" requires at least rollup@${minMajor}.${minMinor}.${minPatch}.`
    );
  }
  const [major, minor, patch] = actualVersion.split('.').map(Number);
  if (
    major < minMajor ||
    (major === minMajor && (minor < minMinor || (minor === minMinor && patch < minPatch)))
  ) {
    throw new Error(
      `Insufficient rollup version: "@rollup/plugin-node-resolve" requires at least rollup@${minMajor}.${minMinor}.${minPatch} but found rollup@${actualVersion}.`
    );
  }
}