ffi-libraries/lib/ffiLibraries.js

A Node.js library for loading and calling functions from dynamic libraries

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Library = void 0;
const ffiBindings = require('bindings')('ffi_libraries');
/**
 * Creates a new library instance with function definitions
 * @param {string} path Path to the dynamic library
 * @param {Object} functions Object containing function definitions
 * @returns {Object} Object containing the defined functions
 * @example
 * const lib = new Library('user32.dll', {
 *   'MessageBoxA': ['int32', ['pointer', 'string', 'string', 'uint32']],
 *   'GetLastError': ['uint32', []]
 * });
 */
class LibraryImpl {
    constructor(path, functions) {
        if (typeof path !== 'string') {
            throw new TypeError('Library path must be a string');
        }
        if (typeof functions !== 'object' || functions === null) {
            throw new TypeError('Functions definition must be an object');
        }
        const library = new ffiBindings.Library(path, functions);
        Object.assign(this, library);
    }
    /**
     * Closes the library and frees resources
     */
    close() {
        if (typeof this.close === 'function') {
            this.close();
        }
    }
}
exports.Library = LibraryImpl;