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* @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' );
var format = require( '@stdlib/string/format' );
// 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( format( 'invalid argument. Must provide an array of arrays. Value: `%s`.', entries ) );
}
out = {};
for ( i = 0; i < entries.length; i++ ) {
out[ entries[i][0] ] = entries[ i ][ 1 ];
}
return out;
}
// EXPORTS //
module.exports = objectFromEntries;
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