@ima/cli/dist/dev-server/internalSourceMiddleware.js

IMA.js CLI tool to build, develop and work with IMA.js applications.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.internalSourceMiddleware = internalSourceMiddleware;
const fs_1 = __importDefault(require("fs"));
const path_1 = __importDefault(require("path"));
/**
 * Returns project source files requested by url query param fileName.
 * Don't use in production!
 */
function internalSourceMiddleware(rootDir) {
    return async (req, res) => {
        let fileName = req.query.fileName?.toString();
        // Handle files with absolute/relative urls
        if (!fileName) {
            return res.status(500).end();
        }
        // Resolve absolute
        fileName = path_1.default.resolve(fileName);
        // Don't allow access outside of project dir
        if (!fileName.startsWith(rootDir)) {
            return res.status(500).end();
        }
        if (!fs_1.default.existsSync(fileName)) {
            return res.status(404).end();
        }
        try {
            const fileSource = await fs_1.default.promises.readFile(fileName, 'utf8');
            return res.json({
                source: fileSource,
                rootDir, // Used to print relative urls in error-overlay
            });
        }
        catch (error) {
            return res.status(500).end();
        }
    };
}