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 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 11x 11x 11x 11x 11x 11x 9x 9x 2x 2x 2x 2x 11x 1x 1x 2x 2x 2x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 6x 6x 15x 3x 3x 15x 3x 6x 11x 11x 11x 11x 11x 11x 11x 11x 6x 6x 15x 3x 3x 15x 3x 6x 11x 2x 2x 2x 2x 2x | /**
* @license Apache-2.0
*
* Copyright (c) 2023 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 isCollection = require( '@stdlib/assert/is-collection' );
var isAccessorArray = require( '@stdlib/array/base/assert/is-accessor-array' );
var accessorGetter = require( '@stdlib/array/base/accessor-getter' );
var dtype = require( '@stdlib/array/dtype' );
var format = require( '@stdlib/string/format' );
// MAIN //
/**
* Returns a function to tests if an array contains a provided search value.
*
* @param {Collection} x - input array
* @throws {TypeError} must provide an array-like object
* @returns {Function} function to test if an array contains a search value
*
* @example
* var contains = factory( [ 1, 2, 3 ] );
* // returns <Function>
*
* var bool = contains( 2 );
* // returns true
*/
function factory( x ) {
var get;
var len;
var dt;
if ( !isCollection( x ) ) {
throw new TypeError( format( 'invalid argument. Must provide an array-like object. Value: `%s`.', x ) );
}
// Resolve the input array data type:
dt = dtype( x );
// Resolve an accessor for retrieving input array elements:
if ( isAccessorArray( x ) ) {
get = accessorGetter( dt );
}
// Get the number of elements over which to iterate:
len = x.length;
return ( get === void 0 ) ? contains : accessors;
/**
* Tests if an array contains a provided search value.
*
* @private
* @param {*} value - search value
* @returns {boolean} boolean indicating if an array contains a search value
*
* @example
* var out = contains( [ 1, 2, 3 ], 2 );
* // returns true
*/
function contains( value ) {
var i;
for ( i = 0; i < len; i++ ) {
if ( x[ i ] === value ) {
return true;
}
}
return false;
}
/**
* Tests if an array contains a provided search value.
*
* @private
* @param {*} value - search value
* @returns {boolean} boolean indicating if an array contains a search value
*/
function accessors( value ) {
var i;
for ( i = 0; i < len; i++ ) {
if ( get( x, i ) === value ) {
return true;
}
}
return false;
}
}
// EXPORTS //
module.exports = factory;
|