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node-protocols

v1.2.25

Published

Protokol inplementation for node.js

Downloads

9

Readme

Node-Protocols

a tiny implementation to fulfil protocols (Interfaces) in nodejs.

Description

A js object does not have any possibilities to implement a protocol (Interface) at language level. Well, that is very good in many ways, but get extrem unhandy when implementing a pluggable system. node-protocols is a tiny object extension to allow a class implements one or more protocols.

Example

Create a myProtocol.js file:

module.exports.foo = function(){};
module.exports.bar = function(){};
module.exports.s = String();

Than implement a module like this:

var impl = module.exports = {
	foo: function(){
		console.log("I am foo");
	}
}

To confirm that this implementation confirms to a protocol, node-protocols is required.

var protocol = require('node-protocols');

Finally a member named "protocol" must be set in your implementation that defines the protocol:

module.exports.protocol = protocol.implement(impl, 'myProtocol.js')

Typpes

It is allowed to use any kind of type as a definition. Object(), Array(), function(), String()...

A special case is undefined that is there to allow anything.

protocol.implement

Implement does have 3 Parameters:

  • module
  • Protoccol-List
  • (optional) throw exception

If the execution of the application should not be terminated when a protocol is not fulfilled, than pass a "false" to the implement function:

module.exports.protocol = protocol.implement(impl, 'myProtocol.js', false)

Protocol Functions

confirmsToProtocols

Returns a list of the protocols that the implementation successfully implements.

fulfillProtocols

Returns a boolean indicator "true" if all protocols are successfully implemented.

Contribute

Yes, please help us to improve node-protocols and tell us your thoughts about this module.

Contact

See https://www.ausdertechnik.de for more details. if you like this tool, spend a Satoshi to this address (We will buy more coffee from it):

1FaKEmpUz7S1g4v5qgmDWwQDzVYGBM6MLw