itsjoekent-bind/npm_dist/index.js

Bind functions to a scope

'use strict';

/**
 * Bind the given list of function names on the Class
 * to the class.
 *
 * @param  {Object} context
 * @param  {Array<String>} functions
 */
function functions(context, functions) {
  var _iteratorNormalCompletion = true;
  var _didIteratorError = false;
  var _iteratorError = undefined;

  try {
    for (var _iterator = functions[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
      var fn = _step.value;

      if (!context[fn]) continue;

      context[fn] = context[fn].bind(context);
      context[fn].isBinded = true;
    }
  } catch (err) {
    _didIteratorError = true;
    _iteratorError = err;
  } finally {
    try {
      if (!_iteratorNormalCompletion && _iterator.return) {
        _iterator.return();
      }
    } finally {
      if (_didIteratorError) {
        throw _iteratorError;
      }
    }
  }
}

/**
 * Bind every function on the given class to the class.
 *
 * @param  {Object} context
 * @param  {Class}  clss
 */
function all(context, clss) {
  var allFunctions = Object.getOwnPropertyNames(clss.prototype).filter(function (fn) {
    return fn !== 'constructor';
  });

  functions(context, allFunctions);
}

module.exports = {
  functions: functions, all: all
};