prejss-cli/lib/process-file.js

Get ES6 modules or JSON files from CSS/SCSS/LESS/other styles using PreJSS

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _fs = require('fs');

var _fs2 = _interopRequireDefault(_fs);

var _path = require('path');

var _path2 = _interopRequireDefault(_path);

var _outputFileSync = require('output-file-sync');

var _outputFileSync2 = _interopRequireDefault(_outputFileSync);

var _getNameWithoutExt = require('./utils/get-name-without-ext');

var _getNameWithoutExt2 = _interopRequireDefault(_getNameWithoutExt);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

exports.default = function (file, options) {

  var code = _fs2.default.readFileSync(file, 'utf-8');
  var parser = require(options.parser);
  // Change to default method if parser is ES6 module
  if (typeof parser !== 'function') {
    parser = parser.default;
  }
  var source = file.split(_path2.default.sep);
  var name = (0, _getNameWithoutExt2.default)(source.pop());
  var parsed = parser(code, { config: options.config });
  var outExt = options.format === 'json' ? 'json' : 'js';
  var outName = name + '.' + outExt;

  var outDir = void 0;
  if (options.sourceDir) {

    // When we have a basic directory, e.g: ./examples/src

    var subDir = _path2.default.relative(options.sourceDir, source.join(_path2.default.sep));

    if (options.verbose) {
      console.log('Found source directory', {
        subDir: subDir,
        outDir: _path2.default.join(options.outDir || options.sourceDir, subDir)
      });
    }
    outDir = _path2.default.join(options.outDir || options.sourceDir, subDir);
  } else if (options.outDir) {

    // When we have a output directory only, e.g. ./examples/dist

    if (options.verbose) {
      console.log('Found output directory only', {
        outDir: options.outDir
      });
    }
    outDir = options.outDir;
  } else {

    // When we have to place output file in the same directory, e.g. ./examples/src

    if (options.verbose) {
      console.log('No source and output directory found', {
        outDir: source.join(_path2.default.sep)
      });
    }
    outDir = source.join(_path2.default.sep);
  }

  // source.push(finalName)

  // const finalPath = source.join(path.sep)
  var output = JSON.stringify(parsed, null, options.pretty ? 2 : 0);
  switch (options.format) {
    case 'commonjs':
      output = 'module.exports = ' + output + ';';
      break;
    case 'es6':
      output = 'export default ' + output;
      break;
  }

  var finalFile = _path2.default.join(outDir, outName);
  console.log('Process: ' + name + ' -> ' + finalFile);
  (0, _outputFileSync2.default)(finalFile, output);
};