@coat/cli/build/sync/get-unmanaged-files.js

TODO: See #3

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getUnmanagedFiles = getUnmanagedFiles;
var _differenceBy = _interopRequireDefault(require("lodash/differenceBy"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
 * Returns files that are no longer managed by the current coat project.
 *
 * This can happen in cases where the coat project configuration changes and
 * a file that has been generated previously is no longer generated by coat.
 *
 * Example: When switching the build tool configuration from tool A to tool B,
 * the configuration file for tool A "tool-a.config" is no longer a part of the
 * generated files and should be removed from the current project.
 *
 * @param newFiles The files that will be generated from the current context
 * @param currentLockfile The current lockfile that has been generated from a previous execution
 */
function getUnmanagedFiles(newFiles, currentLockfile) {
  // Get all files that are in the old lockfile
  // but no longer in the new lockfile. This means they
  // have been added previously by coat, but are no longer
  // generated by this project.
  const unmanagedFiles = (0, _differenceBy.default)(currentLockfile.files.filter(
  // Filter out once files, since they should not be deleted after
  // they have been placed.
  file => !file.once), newFiles.filter(file => !file.once), "path");
  return unmanagedFiles;
}