107 lines
2.3 KiB
JavaScript
107 lines
2.3 KiB
JavaScript
/**
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* @license Apache-2.0
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*
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* Copyright (c) 2018 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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/**
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* Group an object's own and inherited property values according to an indicator function.
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*
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* @module @stdlib/utils/group-in
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*
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* @example
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* var groupIn = require( '@stdlib/utils/group-in' );
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*
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* function indicator( v ) {
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* return v[ 0 ];
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* }
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*
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* function Foo() {
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* this.a = 'beep';
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* this.b = 'boop';
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* return this;
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* }
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*
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* Foo.prototype = Object.create( null );
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* Foo.prototype.c = 'foo';
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* Foo.prototype.d = 'bar';
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*
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* var obj = new Foo();
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*
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* var out = groupIn( obj, indicator );
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* // e.g., returns { 'b': [ 'beep', 'boop', 'bar' ], 'f': [ 'foo' ] }
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*
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* @example
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* var groupIn = require( '@stdlib/utils/group-in' );
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*
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* function indicator( v ) {
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* return v[ 0 ];
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* }
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*
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* function Foo() {
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* this.a = 'beep';
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* this.b = 'boop';
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* return this;
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* }
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*
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* Foo.prototype = Object.create( null );
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* Foo.prototype.c = 'foo';
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* Foo.prototype.d = 'bar';
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*
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* var obj = new Foo();
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*
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* var opts = {
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* 'returns': 'keys'
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* };
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* var out = groupIn( obj, opts, indicator );
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* // e.g., returns { 'b': [ 'a', 'b', 'd' ], 'f': [ 'c' ] }
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*
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* @example
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* var groupIn = require( '@stdlib/utils/group-in' );
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*
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* function indicator( v ) {
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* return v[ 0 ];
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* }
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*
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* function Foo() {
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* this.a = 'beep';
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* this.b = 'boop';
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* return this;
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* }
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*
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* Foo.prototype = Object.create( null );
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* Foo.prototype.c = 'foo';
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* Foo.prototype.d = 'bar';
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*
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* var obj = new Foo();
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*
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* var opts = {
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* 'returns': '*'
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* };
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* var out = groupIn( obj, opts, indicator );
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* // e.g., returns { 'b': [ [ 'a', 'beep' ], [ 'b', 'boop' ], [ 'd', 'bar' ] ], 'f': [ [ 'c', 'foo' ] ] }
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*/
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// MODULES //
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var groupIn = require( './main.js' );
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// EXPORTS //
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module.exports = groupIn;
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