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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 isArray = require( '@stdlib/assert/is-array' );
var ctors = require( './ctors.js' );
// MAIN //
/**
* Revives a JSON-serialized typed array.
*
* @param {string} key - key
* @param {*} value - value
* @returns {(*|TypedArray)} value or typed array
*
* @example
* var parseJSON = require( '@stdlib/utils/parse-json' );
*
* var str = '{"type":"Float64Array","data":[5,3]}';
*
* var arr = parseJSON( str, reviveTypedArray );
* // returns <Float64Array>[ 5.0, 3.0 ]
*/
function reviveTypedArray( key, value ) {
var ctor;
if (
value &&
value.type &&
isArray( value.data )
) {
ctor = ctors[ value.type ];
if ( ctor ) {
return new ctor( value.data );
}
}
return value;
}
// EXPORTS //
module.exports = reviveTypedArray;
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