@neilkrichi/pdf-cli/dist/merge.js

A CLI tool for splitting and merging PDF files

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.mergePDFs = mergePDFs;
const pdf_lib_1 = require("pdf-lib");
const promises_1 = require("fs/promises");
const chalk_1 = __importDefault(require("chalk"));
const path_1 = __importDefault(require("path"));
const utils_1 = require("./utils");
async function mergePDFs(files, output = "merged.pdf") {
    try {
        console.log(chalk_1.default.blue("🔄 Merging PDFs..."));
        // Check if output file exists
        const normalizedOutput = path_1.default.normalize(output);
        const shouldContinue = await (0, utils_1.confirmOverwrite)(normalizedOutput);
        if (!shouldContinue) {
            console.log(chalk_1.default.yellow("⚠️  Operation cancelled"));
            process.exit(0);
        }
        const mergedPdf = await pdf_lib_1.PDFDocument.create();
        for (const file of files) {
            // Normalize the path to handle spaces and special characters
            const normalizedPath = path_1.default.normalize(file);
            console.log(chalk_1.default.yellow(`📄 Adding ${normalizedPath}...`));
            try {
                const pdfBytes = await (0, promises_1.readFile)(normalizedPath);
                const pdf = await pdf_lib_1.PDFDocument.load(pdfBytes);
                const copiedPages = await mergedPdf.copyPages(pdf, pdf.getPageIndices());
                copiedPages.forEach((page) => mergedPdf.addPage(page));
            }
            catch (fileError) {
                console.error(chalk_1.default.red(`❌ Error processing ${normalizedPath}: `), fileError);
                throw new Error(`Failed to process ${normalizedPath}`);
            }
        }
        const mergedPdfBytes = await mergedPdf.save();
        await (0, promises_1.writeFile)(normalizedOutput, mergedPdfBytes);
        console.log(chalk_1.default.green(`✅ Merged PDF saved as: ${normalizedOutput}`));
    }
    catch (error) {
        console.error(chalk_1.default.red("❌ Error merging PDFs: "), error);
        process.exit(1);
    }
}