flow-up/lib/index.js

Easily add flowtype to your codebase

'use strict';

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

var _path = require('path');

var _path2 = _interopRequireDefault(_path);

var _fs = require('fs');

var _fs2 = _interopRequireDefault(_fs);

var _globby = require('globby');

var _globby2 = _interopRequireDefault(_globby);

var _flowConfigWriter = require('./flow-config-writer');

var _flowConfigWriter2 = _interopRequireDefault(_flowConfigWriter);

var _fs3 = require('./util/fs');

var _helpers = require('./helpers');

var _defaults = require('./defaults');

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

const cwd = process.cwd();
const GLOBBY_OPTIONS = { dot: true, nodir: true };

function writeFlowPragma(filepatterns) {
  const filePaths = _globby2.default.sync(filepatterns, GLOBBY_OPTIONS).map(filePath => _path2.default.resolve(cwd, filePath));

  if (filePaths.length === 0) {
    throw new Error('No matching files for the patterns provided');
  }

  filePaths.forEach(function (file) {
    const content = (0, _fs3.readFile)(file, 'utf8');

    if (!(0, _helpers.hasFlowPragma)(content)) {
      const contentWithFlowPragma = (0, _helpers.addFlowPragma)(content);
      (0, _fs3.writeFile)(file, contentWithFlowPragma);
    }
  });
}

function writeFlowconfig(config) {
  const configFilePath = _path2.default.resolve(cwd, '.flowconfig');
  (0, _flowConfigWriter2.default)(config.flow, configFilePath);
}