/** * @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 isArrayArray = require( '@stdlib/assert/is-array-array' ); // MAIN // /** * Creates an object from an array of key-value pairs. * * @param {ArrayArray} entries - input object * @throws {TypeError} must provide an array of arrays * @returns {Object} object created from `[key, value]` pairs * * @example * var entries = [ ['beep', 'boop'], ['foo', 'bar'] ]; * * var obj = objectFromEntries( entries ); * // returns {'beep': 'boop', 'foo': 'bar'} */ function objectFromEntries( entries ) { var out; var i; if ( !isArrayArray( entries ) ) { throw new TypeError( 'invalid argument. Must provide an array of arrays. Value: `'+entries+'`.' ); } out = {}; for ( i = 0; i < entries.length; i++ ) { out[ entries[i][0] ] = entries[ i ][ 1 ]; } return out; } // EXPORTS // module.exports = objectFromEntries;