excel-tools

"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.getVbaTools = getVbaTools;
const sdk_1 = require("@lmstudio/sdk");
const zod_1 = require("zod");
const XLSX = __importStar(require("xlsx"));
const path = __importStar(require("path"));
const config_1 = require("../utils/config");
function getVbaTools() {
    return [
        // ── 28. excel_read_vba ───────────────────────────────────────────────────
        (0, sdk_1.tool)({
            name: "excel_read_vba",
            description: "Extract and display VBA module code from a macro-enabled Excel file (.xlsm). Requires a .xlsm file. VBA creation is not supported (requires Python+openpyxl).",
            parameters: {
                filePath: zod_1.z.string().describe("Path to a .xlsm file"),
            },
            implementation: async ({ filePath }) => {
                const err = (0, config_1.checkReadable)(filePath);
                if (err)
                    return `Error: ${err}`;
                const ext = path.extname(filePath).toLowerCase();
                if (ext !== ".xlsm")
                    return `Error: VBA reading requires a .xlsm file. Got: ${ext}`;
                try {
                    const wb = XLSX.readFile(filePath, { bookVBA: true });
                    if (!wb.vbaraw)
                        return "No VBA project found in this file.";
                    // Write raw VBA binary to temp, then try to parse module names from it
                    const vbaBuffer = Buffer.from(wb.vbaraw, "binary");
                    // Extract module names and code snippets from VBA binary (text search)
                    const vbaStr = vbaBuffer.toString("latin1");
                    const modules = [];
                    const moduleMatches = [...vbaStr.matchAll(/Attribute VB_Name = "([^"]+)"/g)];
                    if (moduleMatches.length > 0) {
                        for (const match of moduleMatches) {
                            const name = match[1];
                            // Extract code between Attribute blocks (heuristic)
                            const start = match.index ?? 0;
                            const snippet = vbaStr.substring(start, start + 500)
                                .replace(/[\x00-\x08\x0b-\x1f\x7f-\x9f]/g, " ")
                                .trim();
                            modules.push({ name, preview: snippet });
                        }
                    }
                    return JSON.stringify({
                        file: filePath,
                        vba_present: true,
                        vba_size_bytes: vbaBuffer.length,
                        modules_found: modules.length,
                        modules,
                        note: "VBA binary extracted. For full source editing, use Excel or Python+openpyxl.",
                    }, null, 2);
                }
                catch (e) {
                    return `Error: ${e}`;
                }
            },
        }),
    ];
}
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