1 files changed, 89 insertions, 0 deletions
diff --git a/node_modules/@pkgjs/parseargs/internal/validators.js b/node_modules/@pkgjs/parseargs/internal/validators.js
new file mode 100644
index 0000000..b5ac4fb
--- /dev/null
+++ b/node_modules/@pkgjs/parseargs/internal/validators.js
@@ -0,0 +1,89 @@
+'use strict';
+
+// This file is a proxy of the original file located at:
+// https://github.com/nodejs/node/blob/main/lib/internal/validators.js
+// Every addition or modification to this file must be evaluated
+// during the PR review.
+
+const {
+  ArrayIsArray,
+  ArrayPrototypeIncludes,
+  ArrayPrototypeJoin,
+} = require('./primordials');
+
+const {
+  codes: {
+    ERR_INVALID_ARG_TYPE
+  }
+} = require('./errors');
+
+function validateString(value, name) {
+  if (typeof value !== 'string') {
+    throw new ERR_INVALID_ARG_TYPE(name, 'String', value);
+  }
+}
+
+function validateUnion(value, name, union) {
+  if (!ArrayPrototypeIncludes(union, value)) {
+    throw new ERR_INVALID_ARG_TYPE(name, `('${ArrayPrototypeJoin(union, '|')}')`, value);
+  }
+}
+
+function validateBoolean(value, name) {
+  if (typeof value !== 'boolean') {
+    throw new ERR_INVALID_ARG_TYPE(name, 'Boolean', value);
+  }
+}
+
+function validateArray(value, name) {
+  if (!ArrayIsArray(value)) {
+    throw new ERR_INVALID_ARG_TYPE(name, 'Array', value);
+  }
+}
+
+function validateStringArray(value, name) {
+  validateArray(value, name);
+  for (let i = 0; i < value.length; i++) {
+    validateString(value[i], `${name}[${i}]`);
+  }
+}
+
+function validateBooleanArray(value, name) {
+  validateArray(value, name);
+  for (let i = 0; i < value.length; i++) {
+    validateBoolean(value[i], `${name}[${i}]`);
+  }
+}
+
+/**
+ * @param {unknown} value
+ * @param {string} name
+ * @param {{
+ *   allowArray?: boolean,
+ *   allowFunction?: boolean,
+ *   nullable?: boolean
+ * }} [options]
+ */
+function validateObject(value, name, options) {
+  const useDefaultOptions = options == null;
+  const allowArray = useDefaultOptions ? false : options.allowArray;
+  const allowFunction = useDefaultOptions ? false : options.allowFunction;
+  const nullable = useDefaultOptions ? false : options.nullable;
+  if ((!nullable && value === null) ||
+      (!allowArray && ArrayIsArray(value)) ||
+      (typeof value !== 'object' && (
+        !allowFunction || typeof value !== 'function'
+      ))) {
+    throw new ERR_INVALID_ARG_TYPE(name, 'Object', value);
+  }
+}
+
+module.exports = {
+  validateArray,
+  validateObject,
+  validateString,
+  validateStringArray,
+  validateUnion,
+  validateBoolean,
+  validateBooleanArray,
+};