73 lines
2.4 KiB
JavaScript
73 lines
2.4 KiB
JavaScript
/**
|
|
* @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 isBoolean = require( '@stdlib/assert/is-boolean' ).isPrimitive;
|
|
var isNumber = require( '@stdlib/assert/is-number' ).isPrimitive;
|
|
var isObject = require( '@stdlib/assert/is-plain-object' );
|
|
var isString = require( '@stdlib/assert/is-string' ).isPrimitive;
|
|
var isnan = require( '@stdlib/assert/is-nan' );
|
|
var hasOwnProp = require( '@stdlib/assert/has-own-property' );
|
|
|
|
|
|
// MAIN //
|
|
|
|
/**
|
|
* Validates function options.
|
|
*
|
|
* @private
|
|
* @param {Object} opts - destination for validated options
|
|
* @param {Options} options - function options
|
|
* @param {number} [options.alpha] - significance level
|
|
* @param {boolean} [options.sorted] - boolean indicating if the input data is already sorted in ascending order
|
|
* @param {string} [options.alternative] - alternative hypothesis
|
|
* @returns {(null|Error)} null or an error
|
|
*/
|
|
function validate( opts, options ) {
|
|
if ( !isObject( options ) ) {
|
|
return new TypeError( 'invalid argument. Options argument must be an object. Value: `' + options + '`.' );
|
|
}
|
|
if ( hasOwnProp( options, 'alpha' ) ) {
|
|
opts.alpha = options.alpha;
|
|
if ( !isNumber( opts.alpha ) || isnan( opts.alpha ) ) {
|
|
return new TypeError( 'invalid option. `alpha` option must be a number primitive. Option: `' + opts.alpha + '`.' );
|
|
}
|
|
}
|
|
if ( hasOwnProp( options, 'alternative' ) ) {
|
|
opts.alternative = options.alternative;
|
|
if ( !isString( opts.alternative ) ) {
|
|
return new TypeError( 'invalid option. `alternative` option must be a string primitive. Option: `' + opts.alternative + '`.' );
|
|
}
|
|
}
|
|
if ( hasOwnProp( options, 'sorted' ) ) {
|
|
opts.sorted = options.sorted;
|
|
if ( !isBoolean( opts.sorted ) ) {
|
|
return new TypeError( 'invalid option. `sorted` flag must be a boolean primitive. Option: `' + opts.sorted + '`.' );
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
|
|
// EXPORTS //
|
|
|
|
module.exports = validate;
|