Function majorOf

packages/cli/src/utils/autoUpdate.ts:49–52

Parse a semver-ish string's major number; returns NaN for pre-releases etc.

(version: string)

/** Parse a semver-ish string's major number; returns NaN for pre-releases etc. */
function majorOf(version: string): number {
  const match = /^(\d+)\./.exec(version);
  return match?.[1] ? Number.parseInt(match[1], 10) : Number.NaN;
}

/**
 * Quietly log a diagnostic line to `auto-update.log`. Never throws — a bad