expressjs_interop 0.0.3

  • Example
  • Installing
  • Versions
  • 62

Interop library for ExpressJS

Build Status Pub

Provides Dart bindings for Express framework JavaScript API.

This package is not actively maintained.

Note that this library does not provide support for handling object and function conversions between Dart and JS. You have to follow package js rules as described in its docs.


Checkout example/ folder to see it in action. To build and run:

$ # 1. Install node dependencies.
$ cd example/
$ npm install
$ cd ../
$ # 2. Build the app.
$ pub build example/
$ # 3. Run the app.
$ node build/example/index.dart.js

Features and bugs

Please file feature requests and bugs at the issue tracker.


  • Prepare for Dart 2 stable.


  • Upgraded to node_interop: 0.1.0-beta.3.
  • Updated bindings and documentation
  • Removed Dart wrappers leaving this library JS-only (bindings-only) for now.


  • Initial version, created by Stagehand


import 'package:expressjs_interop/expressjs_interop.dart';
import 'package:js/js.dart';
import 'package:node_interop/util.dart';
import 'package:node_interop/node.dart';

void main() {
  ExpressFunction express = require('express');
  var app = express();
  app.get('/', allowInterop((Request req, Response res, NextFunction next) {
    print('Request received: ${req.url}');
    res.send(jsify({"result": "OK"}));

Use this package as a library

1. Depend on it

Add this to your package's pubspec.yaml file:

  expressjs_interop: ^0.0.3

2. Install it

You can install packages from the command line:

with pub:

$ pub get

Alternatively, your editor might support pub get. Check the docs for your editor to learn more.

3. Import it

Now in your Dart code, you can use:

import 'package:expressjs_interop/expressjs_interop.dart';
Version Uploaded Documentation Archive
0.0.3 Jul 26, 2018 Go to the documentation of expressjs_interop 0.0.3 Download expressjs_interop 0.0.3 archive
0.0.2 Oct 15, 2017 Go to the documentation of expressjs_interop 0.0.2 Download expressjs_interop 0.0.2 archive
0.0.1 Oct 1, 2017 Go to the documentation of expressjs_interop 0.0.1 Download expressjs_interop 0.0.1 archive
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Learn more about scoring.

We analyzed this package on Jan 15, 2019, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.1.0
  • pana: 0.12.10


Detected platforms: web, other

Primary library: package:expressjs_interop/expressjs_interop.dart with components: js.

Health suggestions

Format lib/expressjs_interop.dart.

Run dartfmt to format lib/expressjs_interop.dart.

Maintenance suggestions

The description is too short. (-20 points)

Add more detail about the package, what it does and what is its target use case. Try to write at least 60 characters.

Package is pre-v0.1 release. (-10 points)

While there is nothing inherently wrong with versions of 0.0.*, it usually means that the author is still experimenting with the general direction of the API.


Package Constraint Resolved Available
Direct dependencies
Dart SDK >=2.0.0-dev <3.0.0
js ^0.6.1 0.6.1+1
node_http ^1.0.0-dev 1.0.0-dev.10.0
node_interop ^1.0.0-dev 1.0.0
Transitive dependencies
async 2.0.8
charcode 1.1.2
collection 1.14.11
http 0.11.3+17 0.12.0+1
http_parser 3.1.3
meta 1.1.7
node_io 1.0.0-dev.10.0
path 1.6.2
source_span 1.5.1
string_scanner 1.0.4
term_glyph 1.1.0
typed_data 1.1.6
Dev dependencies
build_node_compilers ^0.1.8
build_runner ^0.9.1
build_test any
test ^1.0.0