resolve-imports.js

/**
 * **Warning!** This script modifies files. Use with caution, in a version
 * controlled directory, etc.
 *
 * Replace partially resolved `import` or `require` paths with fully resolved
 * paths using Node.js's internal `require` mechanism. Use:
 *
 * ```shell
 * find . -type f -name '*.js' -exec node resolve-imports.js {} \;
 * ```
 */
var fs = require('fs'),
  path = require('path'),
  patt = /(@walmart\/react-native-shared-library\/[^'"]*)/g,
  filename = process.argv[2]

if (!filename) {
  throw new Error('No file passed!')
}

filename = !path.isAbsolute(filename) ? filename : path.resolve(__dirname, filename),

fs.stat(filename, function (err) {
  if (err) throw err

  fs.readFile(filename, 'utf8', function (err2, data) {
    if (err2) throw err2

    var matches = data.match(patt),
      newData = data

    if (matches) {
      matches
        // Ensure the uniques
        .reduce(function (memo, importFile) {
          return memo.indexOf(importFile) >= 0
            ? memo
            : memo.concat(importFile)
        }, [])
        // Mutate `newData`
        .forEach(function (importFile) {
          newData = newData.replace(
            new RegExp(importFile, 'g'),
            require.resolve(importFile).replace(path.join(__dirname, 'node_modules/'), '')
          )
        })
    }

    fs.writeFile(filename, newData, function (err3) {
      if (err3) throw err3
      console.log('✅ ' + filename)
    })
  })
})