rollup-plugin-ignore-import/rollup-plugin-ignore-import.es.js

Ignore import rollup plugin

import { createFilter } from 'rollup-pluginutils';

/**
 * Constructs a Rollup plugin to ignore imports.
 *
 * @param {Object} options
 * @param {array} options.extensions Import extension collection to ignore.
 *
 * @return {Object} The rollup plugin object, as documented on the wiki:
 *   https://github.com/rollup/rollup/wiki/Plugins#creating-plugins
 */
function noopImport(options) {
  if ( options === void 0 ) options = {};

  var include = options.include || options.extensions.map(function (ext) { return ("**/*" + ext); });
  var filter = createFilter(include, options.exclude || 'node_modules/**');

  return {
    transform: function transform(code, id) {
      if (!filter(id)) { return; }

      var body = (options.body || options.body === '') ? options.body : 'export default undefined;';

      return {
        code: body,
        map: null
      };
    }
  };
}

export default noopImport;
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