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