string format

Format a string with '{0}','{1}'...

Цей скрипт не слід встановлювати безпосередньо. Це - бібліотека для інших скриптів для включення в мета директиву // @require https://update.greasyfork.org/scripts/453846/1131145/string%20format.js

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(У мене вже є менеджер скриптів, дайте мені встановити його!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name string format
// @namespace http://tampermonkey.net/
// @version 2.0.2
// @description Format a string with '{0}','{1}'...
// @license Apache License 2.0
// @author 捈荼
// ==/UserScript==

// commented by ChatGPT

(function () {
    "use strict";
 
    // Check if the String.prototype.format function is already defined
    if (String.prototype.format == undefined) {
        // Define a new function named string_format_V2_0_2
        let string_format_V2_0_2 = function () {
            // Get the arguments passed to the function
            let args = arguments;
            // Initialize a counter variable
            let cnt = 0;
            // Check if the string contains numbered placeholders ({0}, {1}, etc.)
            // If not, check if the string contains unnumbered placeholders ({})
            return this.match(/{(\d+)}/g) == null && this.match(/{}/g) != null ?
                // If the string contains unnumbered placeholders, replace them with the corresponding arguments
                this.replace(/{}/g, (match) => {
                    // If the corresponding argument is defined, return it; otherwise, return the placeholder
                    return typeof args[cnt] != 'undefined' ? args[cnt++] : match;
                }) :
                // If the string contains numbered placeholders, replace them with the corresponding arguments
                this.replace(/{(\d+)}/g, (match, number) => {
                    // If the argument at the specified index is defined, return it; otherwise, return the placeholder
                    return typeof args[number] != 'undefined' ? args[number] : match;
                });
        };
        // Add the new function as the String.prototype.format function
        String.prototype.format = string_format_V2_0_2;
    } else {
        // If the String.prototype.format function is already defined, check if it is the correct implementation
        if (String.prototype.format.name != 'string_format_V2_0_2') {
            // If the function is not the correct implementation, throw an error
            throw 'String.prototype.format defined.';
        }
    }
})();