Remove local checks for arguments (#451)

## What does this PR do?

`v6` version of #450 

Remove the local check of the arguments since now we have specifics errors code sent by Kuzzle.

### Other changes

 - Add error codes `id` and `code` properties to `KuzzleError`

Author: Aschen

src/KuzzleError.js

@@ -6,6 +6,8 @@ class KuzzleError extends Error {
 
     this.status = apiError.status;
     this.stack = apiError.stack;
+    this.id = apiError.id;
+    this.code = apiError.code;
 
     // PartialError
     if (this.status === 206) {

src/controllers/auth.js

@@ -38,11 +38,11 @@ class AuthController extends BaseController {
   /**
    * Do not add the token for the checkToken route, to avoid getting a token error when
    * a developer simply wish to verify his token
-   * 
-   * @param {object} request 
+   *
+   * @param {object} request
    */
   authenticateRequest (request) {
-    if (!this.authenticationToken
+    if ( !this.authenticationToken
       || (request.controller === 'auth'
       && (request.action === 'checkToken' || request.action === 'login'))
     ) {
@@ -178,10 +178,6 @@ class AuthController extends BaseController {
    * @returns {Promise|*|PromiseLike<T>|Promise<T>}
    */
   login (strategy, credentials = {}, expiresIn = null) {
-    if (typeof strategy !== 'string' || strategy === '') {
-      throw new Error('Kuzzle.auth.login: strategy is required');
-    }
-
     const request = {
       strategy,
       expiresIn,

src/controllers/collection.js

@@ -11,31 +11,17 @@ class CollectionController extends BaseController {
     super(kuzzle, 'collection');
   }
 
-  create (index, collection, body = {}, options = {}) {
-    if (!index) {
-      throw new Error('Kuzzle.collection.create: index is required');
-    }
-    if (!collection) {
-      throw new Error('Kuzzle.collection.create: collection is required');
-    }
-
+  create (index, collection, mappings = {}, options = {}) {
     return this.query({
       index,
       collection,
-      body,
+      body: mappings,
       action: 'create'
     }, options)
       .then(response => response.result);
   }
 
   deleteSpecifications (index, collection, options = {}) {
-    if (!index) {
-      throw new Error('Kuzzle.collection.deleteSpecifications: index is required');
-    }
-    if (!collection) {
-      throw new Error('Kuzzle.collection.deleteSpecifications: collection is required');
-    }
-
     return this.query({
       index,
       collection,
@@ -45,13 +31,6 @@ class CollectionController extends BaseController {
   }
 
   exists (index, collection, options = {}) {
-    if (!index) {
-      throw new Error('Kuzzle.collection.exists: index is required');
-    }
-    if (!collection) {
-      throw new Error('Kuzzle.collection.exists: collection is required');
-    }
-
     return this.query({
       index,
       collection,
@@ -61,13 +40,6 @@ class CollectionController extends BaseController {
   }
 
   getMapping (index, collection, options = {}) {
-    if (!index) {
-      throw new Error('Kuzzle.collection.getMapping: index is required');
-    }
-    if (!collection) {
-      throw new Error('Kuzzle.collection.getMapping: collection is required');
-    }
-
     return this.query({
       index,
       collection,
@@ -77,13 +49,6 @@ class CollectionController extends BaseController {
   }
 
   getSpecifications (index, collection, options = {}) {
-    if (!index) {
-      throw new Error('Kuzzle.collection.getSpecifications: index is required');
-    }
-    if (!collection) {
-      throw new Error('Kuzzle.collection.getSpecifications: collection is required');
-    }
-
     return this.query({
       index,
       collection,
@@ -93,10 +58,6 @@ class CollectionController extends BaseController {
   }
 
   list (index, options = {}) {
-    if (!index) {
-      throw new Error('Kuzzle.collection.list: index is required');
-    }
-
     const request = {
       index,
       action: 'list',
@@ -115,8 +76,10 @@ class CollectionController extends BaseController {
       body,
       action: 'searchSpecifications'
     };
+
     for (const opt of ['from', 'size', 'scroll']) {
       request[opt] = options[opt];
+
       delete options[opt];
     }
 
@@ -125,13 +88,6 @@ class CollectionController extends BaseController {
   }
 
   truncate (index, collection, options = {}) {
-    if (!index) {
-      throw new Error('Kuzzle.collection.truncate: index is required');
-    }
-    if (!collection) {
-      throw new Error('Kuzzle.collection.truncate: collection is required');
-    }
-
     return this.query({
       index,
       collection,
@@ -142,13 +98,6 @@ class CollectionController extends BaseController {
   }
 
   updateMapping (index, collection, body, options = {}) {
-    if (!index) {
-      throw new Error('Kuzzle.collection.updateMapping: index is required');
-    }
-    if (!collection) {
-      throw new Error('Kuzzle.collection.updateMapping: collection is required');
-    }
-
     return this.query({
       index,
       collection,
@@ -159,16 +108,6 @@ class CollectionController extends BaseController {
   }
 
   updateSpecifications (index, collection, specifications, options = {}) {
-    if (!index) {
-      throw new Error('Kuzzle.collection.updateSpecifications: index is required');
-    }
-    if (!collection) {
-      throw new Error('Kuzzle.collection.updateSpecifications: collection is required');
-    }
-    if (!specifications) {
-      throw new Error('Kuzzle.collection.updateSpecifications: specifications are required');
-    }
-
     const body = {
       [index]: {
         [collection]: specifications
@@ -183,16 +122,6 @@ class CollectionController extends BaseController {
   }
 
   validateSpecifications (index, collection, specifications, options = {}) {
-    if (!index) {
-      throw new Error('Kuzzle.collection.validateSpecifications: index is required');
-    }
-    if (!collection) {
-      throw new Error('Kuzzle.collection.validateSpecifications: collection is required');
-    }
-    if (!specifications) {
-      throw new Error('Kuzzle.collection.updateSpecifications: specifications are required');
-    }
-
     const body = {
       [index]: {
         [collection]: specifications