Provides a http proxy as middleware for grunt connect.
npm install grunt-connect-proxy-updated>=0.4.1
shell
npm install grunt-connect-proxy-updated --save-dev
`
One the plugin has been installed, it may be enabled inside your Gruntfile with this line of JavaScript:
`js
grunt.loadNpmTasks('grunt-connect-proxy-updated');
`
Adapting the "connect" task
$3
#### Proxy Configuration
In your project's Gruntfile, add a section named proxies to your existing connect definition.
`js
grunt.initConfig({
connect: {
server: {
options: {
port: 9000,
hostname: 'localhost'
},
proxies: [
{
context: '/cortex',
host: '10.10.2.202',
port: 8080,
https: false,
xforward: false,
headers: {
"x-custom-added-header": value
},
hideHeaders: ['x-removed-header']
}
]
}
}
})
`
#### Adding the middleware
##### With Livereload
Add the middleware call from the connect option middleware hook
`js
connect: {
livereload: {
options: {
middleware: function (connect, options) {
if (!Array.isArray(options.base)) {
options.base = [options.base];
}
// Setup the proxy
var middlewares = [require('grunt-connect-proxy-updated/lib/utils').proxyRequest];
// Serve static files.
options.base.forEach(function(base) {
middlewares.push(connect.static(base));
});
// Make directory browse-able.
var directory = options.directory || options.base[options.base.length - 1];
middlewares.push(connect.directory(directory));
return middlewares;
}
}
}
}
`
##### Without Livereload
It is possible to add the proxy middleware without Livereload as follows:
`js
// server
connect: {
server: {
options: {
port: 8000,
base: 'public',
logger: 'dev',
hostname: 'localhost',
middleware: function (connect, options, defaultMiddleware) {
var proxy = require('grunt-connect-proxy-updated/lib/utils').proxyRequest;
return [
// Include the proxy first
proxy
].concat(defaultMiddleware);
}
},
proxies: [ / as defined above / ]
}
}
`
$3
For the server task, add the configureProxies task before the connect task
`js
grunt.registerTask('server', function (target) {
grunt.task.run([
'clean:server',
'compass:server',
'configureProxies:server',
'livereload-start',
'connect:livereload',
'open',
'watch'
]);
});
`
IMPORTANT: You must specify the connect target in the configureProxies task.
$3
The available configuration options from a given proxy are generally the same as what is provided by the underlying httpproxy library
#### options.context
Type: String or Array
The context(s) to match requests against. Matching requests will be proxied. Should start with /. Should not end with /
Multiple contexts can be matched for the same proxy rule via an array such as:
context: ['/api', '/otherapi']
#### options.host
Type: String
The host to proxy to. Should not start with the http/https protocol.
#### options.port
Type: Number
Default: 80
The port to proxy to.
#### options.https
Type: Boolean
Default: false
if the proxy should target a https end point on the destination server
#### options.secure
Type: Boolean
Default: true
true/false, if you want to verify the SSL Certs (Avoids: SELF_SIGNED_CERT_IN_CHAIN errors when set to false)
Whether to proxy with https
#### options.xforward:
Type: Boolean
Default: false
Whether to add x-forward headers to the proxy request, such as
"x-forwarded-for": "127.0.0.1",
"x-forwarded-port": 50892,
"x-forwarded-proto": "http"
#### options.appendProxies
Type: Boolean
Default: true
Set to false to isolate multi-task configuration proxy options from parent level instead of appending them.
#### options.rewrite
Type: Object
Allows rewrites of url (including context) when proxying. The object's keys serve as the regex used in the replacement operation. As an example the following proxy configuration will update the context when proxying:
`js
proxies: [
context: '/context',
host: 'host',
port: 8080,
rewrite: {
'^/removingcontext': '',
'^/changingcontext': '/anothercontext',
'^/updating(context)': function(match, p1) {
return '/new' + p1;
}
}
]
`
#### options.headers
Type: Object
A map of headers to be added to proxied requests.
#### options.hostRewrite
Type: String
Rewrites the location hostname on 30X redirects.
#### options.hideHeaders
Type: Array
An array of headers that should be removed from the server's response.
#### options.errorHandler
Type: Function
Another middleware that will be called if proxy request fails.
Example:
`js
errorHandler: function(req, res, next, err) {
if (err.code === 404) {
res.send('Some error page');
} else {
next();
}
}
`
#### options.ws
Type: Boolean
Default: false
Set to true to proxy websockets.
Contributing
In lieu of a formal styleguide, take care to maintain the existing coding style. Add unit tests for any new or changed functionality. Lint and test your code using Grunt.
#### Multi-server proxy configuration
grunt-contrib-connect multi-server configuration is supported. You can define _proxies_ blocks in per-server options and refer to those blocks in task invocation.
`js
grunt.initConfig({
connect: {
options: {
port: 9000,
hostname: 'localhost'
},
server2: {
proxies: [
{
context: '/cortex',
host: '10.10.2.202',
port: 8080,
https: false,
}
]
},
server3: {
appendProxies: false,
proxies: [
{
context: '/api',
host: 'example.org'
}
]
}
}
})
grunt.registerTask('e2etest', function (target) {
grunt.task.run([
'configureProxies:server2',
'open',
'karma'
]);
});
``