JavaScript脚本预编译成字节码

// 以控制led灯代码为例
// app.js
import * as gpio from 'gpio';
let led3 = gpio.open({
  id: 'LED3',
  success: function() {
    console.log('gpio: open led success')
  },
  fail: function() {
    console.log('gpio: open led failed')
  }
});
let val = 0;
// 设置gpio亮灭，间隔一秒
setInterval(function() {
  val = 1 - val;
  led3.writeValue(val);
  console.log('led set value :', val);
}, 1000);
// app.json
{
    "version": "1.0.0",
    "io": {
        "LED3": {
            "type": "GPIO",
            "port": 36,
            "dir": "output",
            "pull": "pulldown"
        }
    },
    "debugLevel": "DEBUG"
}

// app.bin
� ��
u6���+"��app.json{
    "version": "1.0.0",
    "io": {
        "LED3": {
            "type": "GPIO",
            "port": 36,
            "dir": "output",
            "pull": "pulldown"
        }
    },
    "debugLevel": "DEBUG"
}�
Y�Q���-�Б%Aapp.jsimport * as gpio from 'gpio'; // app.js
var led3 = gpio.open({
  id: 'LED3',
  success: function success() {
    console.log('gpio: open led success');
  },
  fail: function fail() {
    console.log('gpio: open led failed');
  }
});
var val = 0; // 设置gpio亮灭，间隔一秒
setInterval(function () {
  val = 1 - val;
  led3.writeValue(val);
  console.log('led set value :', val);
}, 1000);