time-to-botec/js/node_modules/@stdlib/utils/flatten-array/lib/dims.js

54 lines
1.1 KiB
JavaScript
Raw Normal View History

/**
* @license Apache-2.0
*
* Copyright (c) 2018 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
// MODULES //
var isArray = require( '@stdlib/assert/is-array' );
// MAIN //
/**
* Determines array dimensions.
*
* @private
* @param {Array} arr - input array
* @param {NonNegativeInteger} maxDims - maximum dimensions
* @returns {PositiveIntegerArray} dimensions
*/
function dims( arr, maxDims ) {
var out;
var i;
out = [];
for ( i = 0; i < maxDims; i++ ) {
if ( !isArray( arr ) ) {
break;
}
out.push( arr.length );
arr = arr[ 0 ];
}
return out;
}
// EXPORTS //
module.exports = dims;