Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 96x 96x 96x 33x 33x 96x 16x 16x 8x 8x 16x 55x 55x 55x 16x 16x 39x 55x 9x 9x 55x 4x 4x 26x 26x 26x 96x 3x 3x 3x 3x 3x | /**
* @license Apache-2.0
*
* Copyright (c) 2025 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 isObject = require( '@stdlib/assert/is-plain-object' );
var hasOwnProp = require( '@stdlib/assert/has-own-property' );
var isBoolean = require( '@stdlib/assert/is-boolean' ).isPrimitive;
var isIntegerArray = require( '@stdlib/assert/is-integer-array' ).primitives;
var isEmptyCollection = require( '@stdlib/assert/is-empty-collection' );
var normalizeIndices = require( '@stdlib/ndarray/base/to-unique-normalized-indices' );
var join = require( '@stdlib/array/base/join' );
var format = require( '@stdlib/string/format' );
// MAIN //
/**
* Validates function options.
*
* @private
* @param {Object} opts - destination object
* @param {NonNegativeInteger} ndims - number of input ndarray dimensions
* @param {Options} options - function options
* @param {boolean} [options.keepdims] - boolean indicating whether the reduced dimensions should be included in the returned ndarray as singleton dimensions
* @param {IntegerArray} [options.dims] - list of dimensions over which to perform a reduction
* @returns {(Error|null)} null or an error object
*
* @example
* var opts = {};
* var options = {
* 'keepdims': true
* };
* var err = validate( opts, 3, options );
* if ( err ) {
* throw err;
* }
*/
function validate( opts, ndims, options ) {
var tmp;
if ( !isObject( options ) ) {
return new TypeError( format( 'invalid argument. Options argument must be an object. Value: `%s`.', options ) );
}
if ( hasOwnProp( options, 'keepdims' ) ) {
opts.keepdims = options.keepdims;
if ( !isBoolean( opts.keepdims ) ) {
return new TypeError( format( 'invalid option. `%s` option must be a boolean. Option: `%s`.', 'keepdims', opts.keepdims ) );
}
}
if ( hasOwnProp( options, 'dims' ) ) {
opts.dims = options.dims;
if ( !isIntegerArray( opts.dims ) && !isEmptyCollection( opts.dims ) ) {
return new TypeError( format( 'invalid option. `%s` option must be an array of integers. Option: `%s`.', 'dims', opts.dims ) );
}
tmp = normalizeIndices( opts.dims, ndims-1 );
if ( tmp === null ) {
return new RangeError( format( 'invalid option. `%s` option contains an out-of-bounds dimension index. Option: [%s].', 'dims', join( opts.dims, ',' ) ) );
}
if ( tmp.length !== opts.dims.length ) {
return new Error( format( 'invalid option. `%s` option contains duplicate indices. Option: [%s].', 'dims', join( opts.dims, ',' ) ) );
}
opts.dims = tmp;
}
return null;
}
// EXPORTS //
module.exports = validate;
|