@kingjs/property-descriptor.initialize.external v1.0.2

@kingjs/property-descriptor.initialize.external

Overwrites a descriptors properties with those of the result of a callback invoked with the name and target.

Usage

var assert = require('assert');
var external = require('@kingjs/property-descriptor.initialize.external');

function Target() { };
function Foo() { }

var descriptor = {
  configurable: true,
  enumerable: false,
}

external.call(descriptor, () => Foo, 'foo', Target);
assert(descriptor.value == Foo);
assert(!descriptor.enumerable);
assert(descriptor.configurable);

function init(name, target) {
  assert(name == 'foo');
  assert(target == Target);
  return {
    enumerable: true,
    value: Foo 
  };
}

external.call(descriptor, init, 'foo', Target);
assert(descriptor.value == Foo);
assert(descriptor.enumerable);
assert(descriptor.configurable);

API

external(this, callback(name, target), name, target)

Parameters

• this: The descriptor that delegates its initialization to callback.
• callback: Returns a function or a descriptor given name and target.
  • name: The name of property being described.
  • target: The target on which the property is defined.
• name: The name of property being described.
• target: The target on which the property is defined.

Returns

The descriptor whose properties have been overwritten with those of the callback result.

Install

With npm installed, run

$ npm install @kingjs/property-descriptor.initialize.external

Source

https://repository.kingjs.net/property-descriptor/initialize/external

License

MIT