+ Press n or j to go to the next uncovered block, b, p or k for the previous block. +
+ ++ 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 | 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) 2024 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';
+
+/**
+* Test whether some own properties of a provided object satisfy a predicate function.
+*
+* @module @stdlib/utils/some-own-by
+*
+* @example
+* var someOwnBy = require( '@stdlib/utils/some-own-by' );
+*
+* function isNegative( v ) {
+* return ( v < 0 );
+* }
+*
+* var obj = { a: 1, b: 2, c: -3, d: 4, e: -1 };
+*
+* var bool = someOwnBy( obj, 2, isNegative );
+* // returns true
+*/
+
+// MODULES //
+
+var main = require( './main.js' );
+
+
+// EXPORTS //
+
+module.exports = main;
+ |
+ 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 | 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 +39x +39x +39x +39x +39x +9x +9x +39x +12x +12x +39x +11x +11x +7x +39x +14x +14x +14x +4x +4x +2x +2x +4x +14x +14x +5x +39x +1x +1x +1x +1x +1x + | /**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 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-object' );
+var isPositiveInteger = require( '@stdlib/assert/is-positive-integer' ).isPrimitive;
+var hasOwnProp = require( '@stdlib/assert/has-own-property' );
+var isFunction = require( '@stdlib/assert/is-function' );
+var format = require( '@stdlib/string/format' );
+
+
+// MAIN //
+
+/**
+* Tests whether some own properties of a provided object satisfy a predicate function.
+*
+* @param {Object} obj - input object
+* @param {PositiveInteger} n - number of properties
+* @param {Function} predicate - test function
+* @param {*} [thisArg] - execution context
+* @throws {TypeError} first argument must be an object
+* @throws {TypeError} second argument must be a positive integer
+* @throws {TypeError} third argument must be a function
+* @returns {boolean} boolean indicating whether an object contains at least `n` properties which pass a test
+*
+* @example
+* function isNegative( v ) {
+* return ( v < 0 );
+* }
+*
+* var obj = { a: 1, b: 2, c: -3, d: 4, e: -1 };
+*
+* var bool = someOwnBy( obj, 2, isNegative );
+* // returns true
+*/
+function someOwnBy( obj, n, predicate, thisArg ) {
+ var count;
+ var out;
+ var key;
+ if ( !isObject( obj ) ) {
+ throw new TypeError( format( 'invalid argument. First argument must be an object. Value: `%s`.', obj ) );
+ }
+ if ( !isPositiveInteger( n ) ) {
+ throw new TypeError( format( 'invalid argument. Second argument must be a positive integer. Value: `%s`.', n ) );
+ }
+ if ( !isFunction( predicate ) ) {
+ throw new TypeError( format( 'invalid argument. Third argument must be a function. Value: `%s`.', predicate ) );
+ }
+ count = 0;
+ for ( key in obj ) {
+ if ( hasOwnProp( obj, key ) ) {
+ out = predicate.call( thisArg, obj[ key ], key, obj );
+ if ( out ) {
+ count += 1;
+ if ( count === n ) {
+ return true;
+ }
+ }
+ }
+ }
+ return false;
+}
+
+
+// EXPORTS //
+
+module.exports = someOwnBy;
+ |