Update wasmoon to use builtin proxies, add CI

Author: ceifa

.github/workflows/publish.yml

@@ -0,0 +1,21 @@
+name: CI
+
+on:
+  push:
+      branches: [main]
+
+jobs:
+    publish:
+        runs-on: ubuntu-latest
+
+        steps:
+            - uses: actions/checkout@v2
+            - name: Use Node.js 14.x
+              uses: actions/setup-node@v1
+              with:
+                  node-version: 14.x
+            - uses: mymindstorm/setup-emsdk@v7
+            - run: npm ci
+            - uses: JS-DevTools/npm-publish@v1
+              with:
+                  token: ${{ secrets.NPM_TOKEN }}

example/main.lua

@@ -1,3 +1,4 @@
+#!/usr/bin/env demoon
 -- you can require JS module files
 local jssleep = require('./sleep.js')
 -- you can require node modules
@@ -16,8 +17,7 @@ http.createServer(async(function (req, res)
     jssleep(1000):await()
 
     res:write('Hello World!'); -- write a response to the client
-    -- because end is a lua keyword you have to put the '_'
-    res:_end(); -- end the response
+    res['end'](); -- end the response
 end)):listen(port); -- the server object listens on port 8080
 
 print('Your server is running on port ' .. port .. '!')

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "demoon",
-  "version": "0.0.1",
+  "version": "0.0.2",
   "description": "Lua + Node",
   "main": "src/index.js",
   "bin": {
@@ -13,6 +13,6 @@
     "lua"
   ],
   "dependencies": {
-    "wasmoon": "1.5.0"
+    "wasmoon": "1.6.1"
   }
 }

package.json

@@ -1,8 +1,7 @@
-const { LuaFactory, decorate } = require('wasmoon')
+const { LuaFactory } = require('wasmoon')
 const path = require('path')
 const { walk } = require('./file')
 const fs = require('fs').promises
-const proxy = require('./proxy')
 
 const registerDirectory = async (factory, dir) => {
     for await (const file of walk(dir)) {
@@ -18,28 +17,19 @@ const start = async (entryFile) => {
 
     const lua = await factory.createEngine({ injectObjects: true })
 
-    lua.global.set('new', constructor => new constructor)
-    lua.global.set('global', decorate(global, {
-        reference: true,
-        metatable: proxy
-    }))
+    lua.global.set('new', (constructor, ...args) => new constructor(...args))
+    lua.global.set('global', global)
     lua.global.set('mountFile', factory.mountFileSync.bind(factory))
     lua.global.set('jsRequire', (modulename, metaDirectory) => {
-        if (modulename.startsWith('.')) {
-            modulename = path.resolve(metaDirectory, '..', modulename)
-        }
+            if (modulename.startsWith('.')) {
+                modulename = path.resolve(metaDirectory, '..', modulename)
+            }
 
-        return decorate(require(modulename), {
-            reference: true,
-            metatable: proxy
+            return require(modulename)
         })
-    })
-
-    const module = await factory.getModule()
-    module.module.FS.chdir(process.cwd())
 
     await lua.doFile(path.resolve(__dirname, "std/main.lua"))
-    await lua.doFile(entryFile)
+    await lua.doFile(path.resolve(process.cwd(), entryFile))
 }
 
 module.exports = { start }

src/index.js

@@ -51,6 +51,11 @@ table.insert(package.searchers, function(moduleName)
     if success then return function() return result end end
 end)
 
+-- replace the origin getenv by the nodejs one
+function os.getenv(varname)
+    return process.env[varname]
+end
+
 -- set the nodejs global as fallback to default lua global
 setmetatable(_G, {
     __index = function(t, k) return global[k] end