locutus/ruby/String/delete_suffix.js

Locutus other languages' standard libraries to JavaScript for fun and educational purposes

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.delete_suffix = delete_suffix;
function delete_suffix(str, suffix) {
    // parity verified: Ruby 3.3
    //      discuss at: https://locutus.io/ruby/String/delete_suffix/
    //     original by: Kevin van Zonneveld (https://kvz.io)
    //          note 1: Removes suffix when present and otherwise returns the original string unchanged.
    //       example 1: delete_suffix('value-suffix', '-suffix')
    //       returns 1: 'value'
    //       example 2: delete_suffix('value', 'x')
    //       returns 2: 'value'
    const input = str + '';
    const needle = suffix + '';
    if (needle === '') {
        return input;
    }
    return input.endsWith(needle) ? input.slice(0, -needle.length) : input;
}