.

qwen/nodejs/node_modules/validator/lib/isBoolean.js

@@ -0,0 +1,24 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = isBoolean;
+var _assertString = _interopRequireDefault(require("./util/assertString"));
+var _includesArray = _interopRequireDefault(require("./util/includesArray"));
+function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
+var defaultOptions = {
+  loose: false
+};
+var strictBooleans = ['true', 'false', '1', '0'];
+var looseBooleans = [].concat(strictBooleans, ['yes', 'no']);
+function isBoolean(str) {
+  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : defaultOptions;
+  (0, _assertString.default)(str);
+  if (options.loose) {
+    return (0, _includesArray.default)(looseBooleans, str.toLowerCase());
+  }
+  return (0, _includesArray.default)(strictBooleans, str);
+}
+module.exports = exports.default;
+module.exports.default = exports.default;