1 files changed, 69 insertions, 0 deletions
diff --git a/node_modules/jest-util/build/validateCLIOptions.js b/node_modules/jest-util/build/validateCLIOptions.js
new file mode 100644
index 000000000..5c20feabb
--- /dev/null
+++ b/node_modules/jest-util/build/validateCLIOptions.js
@@ -0,0 +1,69 @@
+/**
+ * Copyright (c) 2014, 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');var _require =
+
+
+
+
+require('jest-validate');const ValidationError = _require.ValidationError,format = _require.format,createDidYouMeanMessage = _require.createDidYouMeanMessage;
+
+const BULLET = chalk.bold('\u25cf');
+
+const createCLIValidationError = (
+unrecognizedOptions,
+allowedOptions) =>
+{
+  let title = `${BULLET} Unrecognized CLI Parameter`;
+  let message;
+  const comment =
+  `  ${chalk.bold('CLI Options Documentation')}:\n` +
+  `  http://facebook.github.io/jest/docs/cli.html\n`;
+
+  if (unrecognizedOptions.length === 1) {
+    const unrecognized = unrecognizedOptions[0];
+    const didYouMeanMessage = createDidYouMeanMessage(
+    unrecognized,
+    Array.from(allowedOptions));
+
+    message = `  Unrecognized option ${chalk.bold(format(unrecognized))}.` + (
+    didYouMeanMessage ? ` ${didYouMeanMessage}` : '');
+  } else {
+    title += 's';
+    message =
+    `  Following options were not recognized:\n` +
+    `  ${chalk.bold(format(unrecognizedOptions))}`;
+  }
+
+  return new ValidationError(title, message, comment);
+};
+
+const validateCLIOptions = (argv, options) => {
+  const yargsSpecialOptions = ['$0', '_', 'help', 'h'];
+  const allowedOptions = Object.keys(options).reduce((acc, option) =>
+  acc.
+  add(option).
+  add(options[option].alias || option),
+  new Set(yargsSpecialOptions));
+
+  const unrecognizedOptions = Object.keys(argv).filter(arg =>
+  !allowedOptions.has(arg));
+
+
+  if (unrecognizedOptions.length) {
+    throw createCLIValidationError(unrecognizedOptions, allowedOptions);
+  }
+
+  return true;
+};
+
+module.exports = validateCLIOptions;
+\ No newline at end of file