jsmoo/lib/before.js

JavaScript Minimalist Object Orientation

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
// The before function importe to the global import of JSMOO
//
// object = The Ojbet on which the before funcition will search for the method to attach
// method = A string with the name of the method to attach
// func   = The function which will be called before the method
function before(object, method, func) {
  if (object.prototype) {
    //TODO: FOR STATIC METHODS
    //const oldFunction = object[method];
    //object[method] = (...args) => {
    //oldFunction.bind(object)(...args);
    //beforeFunction.bind(object)(...args);
    //};
  } else {
    if (!object._beforeFunctions_) object._beforeFunctions_ = [];
    object._beforeFunctions_.push({ method: method, func: func });
  }
}

// Function exported to the Jsmoo.js to attach the before functions to the new object
function defineBeforeFunctions() {
  var _this = this;

  if (!this._beforeFunctions_) return;

  this._beforeFunctions_.forEach(function (override) {
    var oldFunction = _this[override.method];
    _this[override.method] = function () {
      override.func.bind(_this).apply(undefined, arguments);
      return oldFunction.bind(_this).apply(undefined, arguments);
    };
  });
}

exports.default = before;
exports.defineBeforeFunctions = defineBeforeFunctions;