Cleanup

node_modules/mongoose/lib/schema/boolean.js

@@ -94,18 +94,24 @@ SchemaBoolean.cast = function cast(caster) {
     return this._cast;
   }
   if (caster === false) {
-    caster = v => {
-      if (v != null && typeof v !== 'boolean') {
-        throw new Error();
-      }
-      return v;
-    };
+    caster = this._defaultCaster;
   }
   this._cast = caster;
 
   return this._cast;
 };
 
+/*!
+ * ignore
+ */
+
+SchemaBoolean._defaultCaster = v => {
+  if (v != null && typeof v !== 'boolean') {
+    throw new Error();
+  }
+  return v;
+};
+
 /*!
  * ignore
  */
@@ -188,9 +194,15 @@ Object.defineProperty(SchemaBoolean, 'convertToFalse', {
  */
 
 SchemaBoolean.prototype.cast = function(value) {
-  const castBoolean = typeof this.constructor.cast === 'function' ?
-    this.constructor.cast() :
-    SchemaBoolean.cast();
+  let castBoolean;
+  if (typeof this._castFunction === 'function') {
+    castBoolean = this._castFunction;
+  } else if (typeof this.constructor.cast === 'function') {
+    castBoolean = this.constructor.cast();
+  } else {
+    castBoolean = SchemaBoolean.cast();
+  }
+
   try {
     return castBoolean(value);
   } catch (error) {
@@ -224,6 +236,33 @@ SchemaBoolean.prototype.castForQuery = function($conditional, val) {
   return this._castForQuery($conditional);
 };
 
+/**
+ *
+ * @api private
+ */
+
+SchemaBoolean.prototype._castNullish = function _castNullish(v) {
+  if (typeof v === 'undefined' &&
+      this.$$context != null &&
+      this.$$context._mongooseOptions != null &&
+      this.$$context._mongooseOptions.omitUndefined) {
+    return v;
+  }
+  const castBoolean = typeof this.constructor.cast === 'function' ?
+    this.constructor.cast() :
+    SchemaBoolean.cast();
+  if (castBoolean == null) {
+    return v;
+  }
+  if (castBoolean.convertToFalse instanceof Set && castBoolean.convertToFalse.has(v)) {
+    return false;
+  }
+  if (castBoolean.convertToTrue instanceof Set && castBoolean.convertToTrue.has(v)) {
+    return true;
+  }
+  return v;
+};
+
 /*!
  * Module exports.
  */