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* @license Apache-2.0
*
* Copyright (c) 2023 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 format = require( '@stdlib/string/format' );
var base = require( '@stdlib/string/base/replace-before' );
// MAIN //
/**
* Replaces the substring before the first occurrence of a specified search string.
*
* @param {string} str - input string
* @param {string} search - search string
* @param {string} replacement - replacement string
* @throws {TypeError} first argument must be a string
* @throws {TypeError} second argument must be a string
* @throws {TypeError} third argument must be a string
* @returns {string} output string
*
* @example
* var out = replaceBefore( 'beep boop', ' ', 'foo' );
* // returns 'foo boop'
*
* @example
* var out = replaceBefore( 'beep boop', 'p', 'foo' );
* // returns 'foop boop'
*
* @example
* var out = replaceBefore( 'Hello World!', '', 'foo' );
* // returns 'Hello World!'
*
* @example
* var out = replaceBefore( 'Hello World!', 'xyz', 'foo' );
* // returns 'Hello World!'
*/
function replaceBefore( str, search, replacement ) {
if ( !isString( str ) ) {
throw new TypeError( format( 'invalid argument. First argument must be a string. Value: `%s`.', str ) );
}
if ( !isString( search ) ) {
throw new TypeError( format( 'invalid argument. Second argument must be a string. Value: `%s`.', search ) );
}
if ( !isString( replacement ) ) {
throw new TypeError( format( 'invalid argument. Third argument must be a string. Value: `%s`.', replacement ) );
}
return base( str, search, replacement, 0 );
}
// EXPORTS //
module.exports = replaceBefore;
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