refactor: allow array-like objects containing submodes

Author: kgryte

lib/node_modules/@stdlib/ndarray/ctor/docs/types/index.d.ts

@@ -20,7 +20,7 @@
 
 /// <reference types="@stdlib/types"/>
 
-import { Collection } from '@stdlib/types/array';
+import { Collection, ArrayLike } from '@stdlib/types/array';
 import { ndarray, DataType, Mode, Order, Shape, Strides } from '@stdlib/types/ndarray';
 import { Buffer } from 'buffer';
 
@@ -36,7 +36,7 @@ interface Options {
 	/**
 	* Specifies how to handle subscripts which exceed array dimensions on a per dimension basis (default: ['throw']).
 	*/
-	submode?: Array<Mode>;
+	submode?: ArrayLike<Mode>;
 
 	/**
 	* Boolean indicating whether an array should be read-only (default: false).

lib/node_modules/@stdlib/ndarray/ctor/lib/validate.js

@@ -22,7 +22,7 @@
 
 var isObject = require( '@stdlib/assert/is-plain-object' );
 var hasOwnProp = require( '@stdlib/assert/has-own-property' );
-var isArray = require( '@stdlib/assert/is-array' );
+var isArrayLikeObject = require( '@stdlib/assert/is-array-like-object' );
 var isIndexMode = require( '@stdlib/ndarray/base/assert/is-index-mode' );
 var isBoolean = require( '@stdlib/assert/is-boolean' ).isPrimitive;
 var format = require( '@stdlib/string/format' );
@@ -37,7 +37,7 @@ var format = require( '@stdlib/string/format' );
 * @param {Object} opts - destination object
 * @param {Options} options - function options
 * @param {string} [options.mode] - specifies how to handle indices which exceed array dimensions
-* @param {string} [options.submode] - specifies how to handle subscripts which exceed array dimensions
+* @param {StringArray} [options.submode] - specifies how to handle subscripts which exceed array dimensions
 * @param {boolean} [options.readonly] - boolean indicating whether an array should be read-only
 * @returns {(Error|null)} null or an error object
 *
@@ -65,7 +65,7 @@ function validate( opts, options ) {
 	}
 	if ( hasOwnProp( options, 'submode' ) ) {
 		opts.submode = options.submode;
-		if ( !isArray( opts.submode ) ) {
+		if ( !isArrayLikeObject( opts.submode ) ) {
 			return new TypeError( format( 'invalid option. `%s` option must be an array containing recognized modes. Option: `%s`.', 'submode', opts.submode ) );
 		}
 		if ( opts.submode.length === 0 ) {