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/**
* Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*
*/
'use strict';
const chalk = require('chalk');
const BULLET = chalk.bold('\u25cf');
const DEPRECATION = `${BULLET} Deprecation Warning`;
const ERROR = `${BULLET} Validation Error`;
const WARNING = `${BULLET} Validation Warning`;
const format = value =>
typeof value === 'function' ?
value.toString() :
require('pretty-format')(value, { min: true });
class ValidationError extends Error {
constructor(name, message, comment) {
super();
comment = comment ? '\n\n' + comment : '\n';
this.name = '';
this.message = chalk.red(chalk.bold(name) + ':\n\n' + message + comment);
Error.captureStackTrace(this, () => {});
}}
const logValidationWarning = (
name,
message,
comment) =>
{
comment = comment ? '\n\n' + comment : '\n';
console.warn(chalk.yellow(chalk.bold(name) + ':\n\n' + message + comment));
};
const createDidYouMeanMessage = (
unrecognized,
allowedOptions) =>
{
const leven = require('leven');
const suggestion = allowedOptions.find(option => {
const steps = leven(option, unrecognized);
return steps < 3;
});
return suggestion ?
`Did you mean ${chalk.bold(format(suggestion))}?` :
'';
};
module.exports = {
DEPRECATION,
ERROR,
ValidationError,
WARNING,
createDidYouMeanMessage,
format,
logValidationWarning };
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