@coat/cli/build/sync/perform-file-operations.js

TODO: See #3

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.performFileOperations = performFileOperations;
var _fsExtra = _interopRequireDefault(require("fs-extra"));
var _constants = require("../constants");
var _createFileOperationLogMessage = require("./create-file-operation-log-message");
var _getFileOperations = require("./get-file-operations");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
 * Updates the files on disk and logs each operation. If fileOperations is empty,
 * an up-to-date message is logged.
 *
 * @param fileOperations The file operations that will be performed
 */
async function performFileOperations(fileOperations) {
  const logMessages = [];
  if (fileOperations.length) {
    // Create log messages for all file operations
    const fileLogMessages = fileOperations.map(fileOperation => (0, _createFileOperationLogMessage.createFileOperationLogMessage)(fileOperation, _createFileOperationLogMessage.Tense.Past));
    logMessages.push(...fileLogMessages);

    // Perform the file operations and write or delete them
    await Promise.all(fileOperations.map(fileOperation => {
      switch (fileOperation.type) {
        case _getFileOperations.FileOperationType.Delete:
          return _fsExtra.default.unlink(fileOperation.absolutePath);
        case _getFileOperations.FileOperationType.Place:
        case _getFileOperations.FileOperationType.Update:
        case _getFileOperations.FileOperationType.UpdateWithPrompt:
          // Use outputFile from fs-extra to automatically create any missing directories
          return _fsExtra.default.outputFile(fileOperation.absolutePath, fileOperation.content);
        case _getFileOperations.FileOperationType.DeleteSkipped:
          // Don't perform any action
          break;
        // The default case is only required to let TypeScript throw
        // compiler errors if a new FileOperationType is added
        /* istanbul ignore next */
        default:
          {
            const unhandledFileOperation = fileOperation;
            throw new Error(`Unhandled FileOperationType for operation: ${unhandledFileOperation}`);
          }
      }
    }));
  } else {
    // No file operation is necessary
    logMessages.push(_constants.EVERYTHING_UP_TO_DATE_MESSAGE);
  }
  console.log(["", ...logMessages, ""].join("\n"));
}