repomix/lib/shared/sizeParse.js

A tool to pack repository contents to single file for AI consumption

import { RepomixError } from './errorHandle.js';
const SIZE_RE = /^\s*(\d+(?:\.\d+)?)\s*(kb|mb)\s*$/i;
export const parseHumanSizeToBytes = (input) => {
    const match = SIZE_RE.exec(input);
    if (!match) {
        throw new RepomixError(`Invalid size: '${input}'. Expected format like '500kb', '2mb', or '2.5mb' (case-insensitive).`);
    }
    const amount = Number(match[1]);
    if (!Number.isFinite(amount) || amount <= 0) {
        throw new RepomixError(`Invalid size amount: '${match[1]}'. Must be a positive number.`);
    }
    const unit = match[2].toLowerCase();
    const multiplier = unit === 'kb' ? 1024 : 1024 * 1024;
    const bytes = Math.floor(amount * multiplier);
    if (!Number.isSafeInteger(bytes)) {
        throw new RepomixError(`Invalid size: '${input}'. Resulting byte value is too large.`);
    }
    return bytes;
};