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* @license Apache-2.0
*
* Copyright (c) 2019 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 isString = require( '@stdlib/assert/is-string' ).isPrimitive;
var hasOwnProp = require( '@stdlib/assert/has-own-property' );
var format = require( '@stdlib/string/format' );
var ALIAS_TO_EXAMPLE = require( './../data/data.json' );
// MAIN //
/**
* Returns an example associated with a specified alias.
*
* @param {string} alias - alias
* @throws {TypeError} must provide a string
* @returns {(string|null)} example
*
* @example
* var out = example( 'base.sin' );
* // returns <string>
*/
function example( alias ) {
if ( !isString( alias ) ) {
throw new TypeError( format( 'invalid argument. Must provide a string. Value: `%s`.', alias ) );
}
if ( hasOwnProp( ALIAS_TO_EXAMPLE, alias ) ) {
return ALIAS_TO_EXAMPLE[ alias ];
}
return null;
}
// EXPORTS //
module.exports = example;
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