react-native/local-cli/util/assertRequiredOptions.js
Sophie Alpert 1490ab12ef Update license headers for MIT license
Summary:
Includes React Native and its dependencies Fresco, Metro, and Yoga. Excludes samples/examples/docs.

find: ^(?:( *)|( *(?:[\*~#]|::))( )? *)?Copyright (?:\(c\) )?(\d{4})\b.+Facebook[\s\S]+?BSD[\s\S]+?(?:this source tree|the same directory)\.$
replace: $1$2$3Copyright (c) $4-present, Facebook, Inc.\n$2\n$1$2$3This source code is licensed under the MIT license found in the\n$1$2$3LICENSE file in the root directory of this source tree.

Reviewed By: TheSavior, yungsters

Differential Revision: D7007050

fbshipit-source-id: 37dd6bf0ffec0923bfc99c260bb330683f35553e
2018-02-16 18:31:53 -08:00

31 lines
864 B
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
'use strict';
const { Option } = require('commander');
const { camelCase } = require('lodash');
// Commander.js has a 2 years old open issue to support <...> syntax
// for options. Until that gets merged, we run the checks manually
// https://github.com/tj/commander.js/issues/230
module.exports = function assertRequiredOptions(options, passedOptions) {
options.forEach(opt => {
const option = new Option(opt.command);
if (!option.required) {
return;
}
const name = camelCase(option.long);
if (!passedOptions[name]) {
// Provide commander.js like error message
throw new Error(`error: option '${option.long}' missing`);
}
});
};