react-app-rewired-preact/scripts/utils/paths.js

Tweak the create-react-app webpack config(s) without using 'eject' and without creating a fork of the react-scripts

var path = require('path');
var fs = require('fs');

//try to detect if user is using a custom scripts version
var custom_scripts = false;
const cs_index = process.argv.indexOf('--scripts-version');

if (cs_index > -1 && cs_index + 1 <= process.argv.length) {
  custom_scripts = process.argv[cs_index + 1];
}

//Allow custom overrides package location
const projectDir = path.resolve(fs.realpathSync(process.cwd()));
const customPath = require(path.resolve(projectDir, 'package.json'))['config-overrides-path'];
var config_overrides = customPath
  ? `${ projectDir }/${ customPath }`
  : `${ projectDir }/config-overrides`;
const co_index = process.argv.indexOf('--config-overrides');

if (co_index > -1 && co_index + 1 <= process.argv.length) {
  config_overrides = path.resolve(process.argv[co_index + 1]);
  process.argv.splice(co_index, 2);
}

const scriptVersion = custom_scripts || '@just-boris/preact-scripts';
const modulePath = path.join(
  require.resolve(`${scriptVersion}/package.json`),
  '..'
);

const paths = require(modulePath + '/config/paths');

module.exports = Object.assign({
  scriptVersion: modulePath,
  configOverrides: config_overrides,
  customScriptsIndex: (custom_scripts ? cs_index : -1)
}, paths);