@greychrist/react-cache-buster/dist/generate-meta-tag.js

This package allows clients to automatically check the new version or git commit hash when a new version is released in the production environment, and if a new version is published, clearing the cache and reload the page.

var _require = require('fs'),
    writeFile = _require.writeFile;

var path = require('path');

var packageJson = require(process.cwd() + "/package.json");

var metaJson = path.join(process.cwd(), 'public', 'meta.json');
var appVersion = 'no-version-found';
var gitHash = 'no-git-hash-found';

try {
  appVersion = packageJson.version;
  gitHash = require('child_process').execSync('git rev-parse HEAD').toString().trim();
} catch (ex) {}

var jsonData = {
  version: appVersion,
  hash: gitHash
};
var jsonContent = JSON.stringify(jsonData);
writeFile(metaJson, jsonContent, 'utf8', function (err) {
  if (err) {
    console.error('CacheBuster: An error occurred while writing JSON Object to meta.json');
    throw console.error(err);
  } else {
    console.log("CacheBuster: meta.json file has been saved with v" + appVersion + " and gitHash: " + gitHash);
  }
});