Resolve from current directory

resolve__rollup.js

/** Add this into the rollup plugins array
resolve__rollup({
  paths: ['.', 'node_modules'],
  extensions: ['.mjs', '.js', '.json', '.tag']
})
*/

function resolve__rollup(options) {
  return {
    name: 'resolve__rollup',
    resolveId: $resolveId(options)
  }
}
function $resolveId(options) {
  const externals =
          options.externals
          || []
  return resolveId
  function resolveId(id, origin) {
    let path = id
    const path__split = path.split('/')
        , path0 = path__split[0]
    if (externals.indexOf(path0) !== -1) {
      return null
    }
    if (_builtinLibs.indexOf(path0) !== -1) {
      return null
    }
    if (path.slice(0, 1) === '.') {
      const dirname =
              origin
              && $path.dirname(origin)
      if (dirname) {
        path = $path.join(dirname, id)
      }
      else {
        return null
      }
    }
    return resolve.sync(
      path,
      { basedir: process.cwd(),
        paths: [process.cwd()],
        extensions: ['.mjs', '.js']})
  }
}