scripts/on-version.js

// Called from "version" npm script when running `npm version`
// during release process. This script updates the version
// in index.bzl to match that of package.json.
const shell = require('shelljs');
const version = require('../package.json').version;

shell.sed('-i', /^VERSION \= \"[0-9\.]*(-(beta|rc).[0-9]*)?\"/, `VERSION = "${version}"`, 'version.bzl');