prompt-helper/dist/libs/padMiddle.js

A CLI tool to help you create and manage prompts for AI models.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.padMiddle = padMiddle;
// src/libs/padMiddle.ts
/**
 * Pads a string with the given character equally on both sides to reach the desired total length.
 *
 * If an odd number of padding characters is needed, the extra one goes on the right.
 *
 * @param str - The input string to center.
 * @param totalLength - The final length of the padded string.
 * @param padChar - The character used for padding (default is space).
 * @returns The centered and padded string.
 */
function padMiddle(str, totalLength, padChar = ' ') {
    if (str.length >= totalLength) {
        return str;
    }
    const totalPadding = totalLength - str.length;
    const leftPadding = Math.floor(totalPadding / 2);
    const rightPadding = totalPadding - leftPadding;
    return padChar.repeat(leftPadding) + str + padChar.repeat(rightPadding);
}
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