wasmoon 基于webassembly 的lua 虚拟机

const { LuaFactory } = require('wasmoon')

async function main() {

    // Initialize a new lua environment factory

    // You can pass the wasm location as the first argument, useful if you are using wasmoon on a web environment and want to host the file by yourself

    const factory = new LuaFactory()

    // Create a standalone lua environment from the factory

    const lua = await factory.createEngine()

    //  基于虚拟文件系统的文件操作

    await factory.mountFile('app.lua',`

            local app = {

                name = "app",

                age = 333

            }

            local function demo()

                return app

            end

            return {

                demo = demo

            }

    `)

    try {

        // Set a JS function to be a global lua function

        lua.global.set('sum', (x, y) => x + y)

        // Run a lua string

        await lua.doString(`

    print(sum(10, 10))

    function multiply(x, y)

        return x * y

    end

    `);

        await lua.doFile('app.lua')

        // Get a global lua function as a JS function

        const multiply = lua.global.get('multiply')

        console.log(multiply(10, 10))

       // 加载模块

        const value = await lua.doString(`local appmy = require('app'); return appmy;`) 

       // 调用模块的方法

        console.log(value.demo())

    } finally {

        // Close the lua environment, so it can be freed

        lua.global.close()

    }

}

main().catch(console.error)