add jsdoc to schema/map re: code review comment

Author: vkarpov15

lib/schema/map.js

@@ -12,22 +12,48 @@ const MongooseError = require('../error/mongooseError');
 const Schema = require('../schema');
 const utils = require('../utils');
 
-/*!
- * ignore
- */
-
 class SchemaMap extends SchemaType {
+  /**
+   * Map SchemaType constructor.
+   *
+   * @param {String} path
+   * @param {Object} options
+   * @param {Object} schemaOptions
+   * @param {Schema} parentSchema
+   * @inherits SchemaType
+   * @api public
+   */
+
   constructor(key, options, schemaOptions, parentSchema) {
     super(key, options, 'Map', parentSchema);
     this.$isSchemaMap = true;
     // Create the nested schema type for the map values
     this._createNestedSchemaType(parentSchema, key, options, schemaOptions);
   }
 
+  /**
+   * Sets a default option for all Map instances.
+   *
+   * @param {String} option The option you'd like to set the value for
+   * @param {Any} value value for option
+   * @return {undefined}
+   * @function set
+   * @static
+   * @api public
+   */
+
   set(option, value) {
     return SchemaType.set(option, value);
   }
 
+  /**
+   * Casts to Map
+   *
+   * @param {Object} value
+   * @param {Object} model this value is optional
+   * @api private
+   */
+
   cast(val, doc, init, prev, options) {
     if (val instanceof MongooseMap) {
       return val;
@@ -70,6 +96,12 @@ class SchemaMap extends SchemaType {
     return new MongooseMap(val, path, doc, this.$__schemaType, options);
   }
 
+  /**
+   * Creates a copy of this map schema type.
+   *
+   * @api private
+   */
+
   clone() {
     const schematype = super.clone();
 
@@ -81,7 +113,10 @@ class SchemaMap extends SchemaType {
 
   /**
    * Returns the embedded schema type (i.e. the `.$*` path)
+   *
+   * @api public
    */
+
   getEmbeddedSchemaType() {
     return this.$__schemaType;
   }
@@ -105,6 +140,12 @@ class SchemaMap extends SchemaType {
     return result;
   }
 
+  /**
+   * Returns the auto encryption type for this schema type.
+   *
+   * @api public
+   */
+
   autoEncryptionType() {
     return 'object';
   }
@@ -116,6 +157,7 @@ class SchemaMap extends SchemaType {
  *
  * @api public
  */
+
 SchemaMap.schemaName = 'Map';
 
 SchemaMap.prototype.OptionsConstructor = SchemaMapOptions;