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 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | /**
* @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 hasOwnProp = require( '@stdlib/assert/has-own-property' );
var isObject = require( '@stdlib/assert/is-plain-object' );
var isNumber = require( '@stdlib/assert/is-number' ).isPrimitive;
var isString = require( '@stdlib/assert/is-string' ).isPrimitive;
var format = require( '@stdlib/string/format' );
var isnan = require( '@stdlib/assert/is-nan' );
// MAIN //
/**
* Validates function options.
*
* @private
* @param {Object} opts - destination for validated options
* @param {Options} options - function options
* @param {number} [options.alpha] - significance level
* @param {string} [options.alternative] - alternative hypothesis
* @returns {(null|Error)} null or an error
*
* @example
* var opts = {};
*
* var options = {
* 'alpha': 0.05,
* 'alternative': 'two-sided'
* };
*
* var err = validate( opts, options );
* if ( err ) {
* throw err;
* }
*/
function validate( opts, options ) {
if ( !isObject( options ) ) {
return new TypeError( format( 'invalid argument. Options argument must be an object. Value: `%s`.', options ) );
}
if ( hasOwnProp( options, 'alpha' ) ) {
opts.alpha = options.alpha;
if ( !isNumber( opts.alpha ) || isnan( opts.alpha ) ) {
return new TypeError( format( 'invalid option. `%s` option must be a number. Option: `%s`.', 'alpha', opts.alpha ) );
}
if ( opts.alpha < 0.0 || opts.alpha > 1.0 ) {
return new RangeError( format( 'invalid option. `%s` option must be on the interval: [0, 1]. Option: `%f`.', 'alpha', opts.alpha ) );
}
}
if ( hasOwnProp( options, 'alternative' ) ) {
opts.alternative = options.alternative;
if ( !isString( opts.alternative ) ) {
return new TypeError( format( 'invalid option. `%s` option must be a string. Option: `%s`.', 'alternative', opts.alternative ) );
}
}
return null;
}
// EXPORTS //
module.exports = validate;
|