solana-program-examples/scripts/lib/change-package-version.ts

import { readFileSync } from 'node:fs';

export function changePackageVersion(file: string, pkgName: string, pkgVersion: string): [boolean, string] {
  const content = JSON.parse(readFileSync(file).toString('utf-8'));
  if (content.dependencies?.[pkgName] && content.dependencies[pkgName] !== pkgVersion) {
    content.dependencies[pkgName] = pkgVersion;
    return [true, content];
  }
  if (content.devDependencies?.[pkgName] && content.devDependencies[pkgName] !== pkgVersion) {
    content.devDependencies[pkgName] = pkgVersion;
    return [true, content];
  }
  return [false, content];
}