[joi] Update joi definitions to match current version (13.0.1 -> 13.3.0)

* Add optional options package for string.hex
* Add number.port option
* Add object.append method
* Add Joi.reach overloads with path argument having an array of strings
* Update documentation strings for reach, keys

types/joi/index.d.ts

@@ -1,4 +1,4 @@
-// Type definitions for joi v13.0.1
+// Type definitions for joi v13.3.0
 // Project: https://github.com/hapijs/joi
 // Definitions by: Bart van der Schoor <https://github.com/Bartvds>
 //                 Laurence Dougal Myers <https://github.com/laurence-myers>
@@ -12,6 +12,7 @@
 //                 Anjun Wang <https://github.com/wanganjun>
 //                 Rafael Kallis <https://github.com/rafaelkallis>
 //                 Conan Lai <https://github.com/aconanlai>
+//                 Peter Thorson <https://github.com/zaphoyd>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.4
 
@@ -106,6 +107,13 @@ export interface EmailOptions {
     minDomainAtoms?: number;
 }
 
+export interface HexOptions {
+    /**
+     * hex decoded representation must be byte aligned
+     */
+    byteAligned: boolean;
+}
+
 export interface IpOptions {
     /**
      * One or more IP address versions to validate against. Valid values: ipv4, ipv6, ipvfuture
@@ -512,6 +520,11 @@ export interface NumberSchema extends AnySchema {
      * Requires the number to be negative.
      */
     negative(): this;
+
+    /**
+     * Requires the number to be a TCP port, so between 0 and 65535.
+     */
+    port(): this;
 }
 
 export interface StringSchema extends AnySchema {
@@ -624,7 +637,7 @@ export interface StringSchema extends AnySchema {
     /**
      * Requires the string value to be a valid hexadecimal string.
      */
-    hex(): this;
+    hex(options?: HexOptions): this;
 
     /**
      * Requires the string value to be a valid hostname as per RFC1123.
@@ -714,10 +727,15 @@ export interface ArraySchema extends AnySchema {
 export interface ObjectSchema extends AnySchema {
 
     /**
-     * Sets the allowed object keys.
+     * Sets or extends the allowed object keys.
      */
     keys(schema?: SchemaMap): this;
 
+    /**
+     * Appends the allowed object keys. If schema is null, undefined, or {}, no changes will be applied.
+     */
+    append(schema?: SchemaMap): this;
+
     /**
      * Specifies the minimum number of keys in the object.
      */
@@ -1101,10 +1119,13 @@ export function ref(key: string, options?: ReferenceOptions): Reference;
 export function isRef(ref: any): ref is Reference;
 
 /**
- * Get a sub-schema of an existing schema based on a path. Path separator is a dot (.).
+ * Get a sub-schema of an existing schema based on a `path` that can be either a string or an array 
+ * of strings For string values path separator is a dot (`.`)
  */
 export function reach(schema: ObjectSchema, path: string): Schema;
 export function reach<T extends Schema>(schema: ObjectSchema, path: string): T;
+export function reach(schema: ObjectSchema, path: string[]): Schema;
+export function reach<T extends Schema>(schema: ObjectSchema, path: string[]): T;
 
 /**
  * Creates a new Joi instance customized with the extension(s) you provide included.

types/joi/joi-tests.ts

@@ -96,6 +96,12 @@ emailOpts = { minDomainAtoms: num };
 
 // --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
 
+let hexOpts: Joi.HexOptions = null;
+
+hexOpts = { byteAligned: bool };
+
+// --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
+
 let ipOpts: Joi.IpOptions = null;
 
 ipOpts = { version: str };
@@ -602,6 +608,7 @@ numSchema = numSchema.precision(num);
 numSchema = numSchema.multiple(num);
 numSchema = numSchema.positive();
 numSchema = numSchema.negative();
+numSchema = numSchema.port();
 
 namespace common {
     numSchema = numSchema.allow(x);
@@ -659,6 +666,9 @@ objSchema = Joi.object(schemaMap);
 objSchema = objSchema.keys();
 objSchema = objSchema.keys(schemaMap);
 
+objSchema = objSchema.append();
+objSchema = objSchema.append(schemaMap);
+
 objSchema = objSchema.min(num);
 objSchema = objSchema.max(num);
 objSchema = objSchema.length(num);
@@ -801,6 +811,7 @@ strSchema = strSchema.guid();
 strSchema = strSchema.guid({ version: ['uuidv1', 'uuidv2', 'uuidv3', 'uuidv4', 'uuidv5'] } as Joi.GuidOptions);
 strSchema = strSchema.guid({ version: 'uuidv4' });
 strSchema = strSchema.hex();
+strSchema = strSchema.hex(hexOpts);
 strSchema = strSchema.hostname();
 strSchema = strSchema.isoDate();
 strSchema = strSchema.lowercase();
@@ -969,6 +980,7 @@ description = Joi.describe(schema);
 description = schema.describe();
 
 schema = Joi.reach(objSchema, '');
+schema = Joi.reach(objSchema, []);
 
 const Joi2 = Joi.extend({ name: '', base: schema });