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node_modules/mongoose/lib/schema/boolean.js

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+/*!
+ * Module dependencies.
+ */
+
+var utils = require('../utils');
+
+var SchemaType = require('../schematype');
+var utils = require('../utils');
+
+/**
+ * Boolean SchemaType constructor.
+ *
+ * @param {String} path
+ * @param {Object} options
+ * @inherits SchemaType
+ * @api private
+ */
+
+function SchemaBoolean (path, options) {
+  SchemaType.call(this, path, options, 'Boolean');
+}
+
+/**
+ * This schema type's name, to defend against minifiers that mangle
+ * function names.
+ *
+ * @api private
+ */
+SchemaBoolean.schemaName = 'Boolean';
+
+/*!
+ * Inherits from SchemaType.
+ */
+SchemaBoolean.prototype = Object.create( SchemaType.prototype );
+SchemaBoolean.prototype.constructor = SchemaBoolean;
+
+/**
+ * Required validator
+ *
+ * @api private
+ */
+
+SchemaBoolean.prototype.checkRequired = function (value) {
+  return value === true || value === false;
+};
+
+/**
+ * Casts to boolean
+ *
+ * @param {Object} value
+ * @api private
+ */
+
+SchemaBoolean.prototype.cast = function (value) {
+  if (null === value) return value;
+  if ('0' === value) return false;
+  if ('true' === value) return true;
+  if ('false' === value) return false;
+  return !! value;
+}
+
+/*!
+ * ignore
+ */
+
+function handleArray (val) {
+  var self = this;
+  return val.map(function (m) {
+    return self.cast(m);
+  });
+}
+
+SchemaBoolean.$conditionalHandlers =
+  utils.options(SchemaType.prototype.$conditionalHandlers, {
+    '$in': handleArray
+  });
+
+/**
+ * Casts contents for queries.
+ *
+ * @param {String} $conditional
+ * @param {any} val
+ * @api private
+ */
+
+SchemaBoolean.prototype.castForQuery = function ($conditional, val) {
+  var handler;
+  if (2 === arguments.length) {
+    handler = SchemaBoolean.$conditionalHandlers[$conditional];
+
+    if (handler) {
+      return handler.call(this, val);
+    }
+
+    return this.cast(val);
+  }
+
+  return this.cast($conditional);
+};
+
+/*!
+ * Module exports.
+ */
+
+module.exports = SchemaBoolean;