3 files changed, 71 insertions, 0 deletions
diff --git a/node_modules/schema-utils/src/ValidationError.js b/node_modules/schema-utils/src/ValidationError.js
new file mode 100644
index 00000000..21264b5c
--- /dev/null
+++ b/node_modules/schema-utils/src/ValidationError.js
@@ -0,0 +1,25 @@
+/* eslint-disable
+  strict
+*/
+
+'use strict';
+
+class ValidationError extends Error {
+  constructor(errors, name) {
+    super();
+
+    this.name = 'ValidationError';
+
+    this.message = `${name || ''} Invalid Options\n\n`;
+
+    errors.forEach((err) => {
+      this.message += `options${err.dataPath} ${err.message}\n`;
+    });
+
+    this.errors = errors;
+
+    Error.captureStackTrace(this, this.constructor);
+  }
+}
+
+module.exports = ValidationError;
diff --git a/node_modules/schema-utils/src/index.js b/node_modules/schema-utils/src/index.js
new file mode 100644
index 00000000..13108c21
--- /dev/null
+++ b/node_modules/schema-utils/src/index.js
@@ -0,0 +1,9 @@
+/* eslint-disable
+  strict
+*/
+
+'use strict';
+
+const validateOptions = require('./validateOptions');
+
+module.exports = validateOptions;
diff --git a/node_modules/schema-utils/src/validateOptions.js b/node_modules/schema-utils/src/validateOptions.js
new file mode 100644
index 00000000..f6d9f22f
--- /dev/null
+++ b/node_modules/schema-utils/src/validateOptions.js
@@ -0,0 +1,37 @@
+/* eslint-disable
+  strict,
+  no-param-reassign
+*/
+
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+
+const Ajv = require('ajv');
+const ajvKeywords = require('ajv-keywords');
+
+const ValidationError = require('./ValidationError');
+
+const ajv = new Ajv({
+  allErrors: true,
+  useDefaults: true,
+  errorDataPath: 'property',
+});
+
+ajvKeywords(ajv, ['instanceof', 'typeof']);
+
+const validateOptions = (schema, options, name) => {
+  if (typeof schema === 'string') {
+    schema = fs.readFileSync(path.resolve(schema), 'utf8');
+    schema = JSON.parse(schema);
+  }
+
+  if (!ajv.validate(schema, options)) {
+    throw new ValidationError(ajv.errors, name);
+  }
+
+  return true;
+};
+
+module.exports = validateOptions;