node-aspect

如何安装

Node.js.

npm install node-aspect

---

如何使用

module.exexports = class Hello {
    say(name) {
        console.log(`hello ${name}`);
        return name;
    }
}
//import
const Aspect = require('node-aspect');
// create Aspect
let aspect = new Aspect('/**/test/**/*.js', `classes`, `name`);
//set [before, after, error, around] handler
aspect.before((name, aspect) => {
    console.log(`before: ${name}`);
});
//start aop
aspect.aop();
 
const Hello = require('./Hello');
console.log(new Hello().say('Alone'));
 
// output:
before: Alone
hello Alone
Alone

API

handler(type, handler)

Set handler.

• type - (String) aop handler type:

  • before - (String) target method before called.
  • after - (String) target method after return called.
  • error - (String) target method error called.
  • around - (String) target method around called.

• handler - (Function) aop handler function:

  • before - {function(arguments)} last arg is this Aspect.
  • after - {function(arguments + this Aspect + ctx + result)} last arg is this Aspect.
  • error - {function(arguments + this Aspect + ctx + error)} last arg is this Aspect.
  • around - {function(arguments)} last arg is this Aspect.

Return this

aop()

start aop.