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https://github.com/ericclemmons/grunt-express-server
Grunt task for running an Express Server that works great with LiveReload + Watch/Regarde
https://github.com/ericclemmons/grunt-express-server
Last synced: about 16 hours ago
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Grunt task for running an Express Server that works great with LiveReload + Watch/Regarde
- Host: GitHub
- URL: https://github.com/ericclemmons/grunt-express-server
- Owner: ericclemmons
- License: mit
- Created: 2013-02-24T21:22:57.000Z (almost 12 years ago)
- Default Branch: master
- Last Pushed: 2018-02-21T22:20:29.000Z (almost 7 years ago)
- Last Synced: 2025-01-18T07:56:42.130Z (3 days ago)
- Language: JavaScript
- Size: 104 KB
- Stars: 248
- Watchers: 9
- Forks: 60
- Open Issues: 21
-
Metadata Files:
- Readme: README.md
- License: LICENSE-MIT
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README
# grunt-express-server
[](https://travis-ci.org/ericclemmons/grunt-express-server)
[](https://david-dm.org/ericclemmons/grunt-express-server)
[](https://david-dm.org/ericclemmons/grunt-express-server#info=devDependencies&view=table)
> Simple grunt task for running an Express server that works great with LiveReload + Watch/Regarde
## Getting Started
This plugin requires Grunt `>=0.4.0`
If you haven't used [Grunt](http://gruntjs.com/) before, be sure to check out the [Getting Started](http://gruntjs.com/getting-started) guide, as it explains how to create a [Gruntfile](http://gruntjs.com/sample-gruntfile) as well as install and use Grunt plugins. Once you're familiar with that process, you may install this plugin with this command:
```shell
npm install grunt-express-server --save-dev
```
Once the plugin has been installed, it may be enabled inside your Gruntfile with this line of JavaScript:
```js
grunt.loadNpmTasks('grunt-express-server');
```
## The `express` task
### Setup
In your project's Gruntfile, you can create one or multiple servers:
```js
grunt.initConfig({
express: {
options: {
// Override defaults here
},
dev: {
options: {
script: 'path/to/dev/server.js'
}
},
prod: {
options: {
script: 'path/to/prod/server.js',
node_env: 'production'
}
},
test: {
options: {
script: 'path/to/test/server.js'
}
}
}
});
```
You can override the default `options` either in the root of the `express` config
or within each individual server task.
### Default `options`
```js
express: {
options: {
// Override the command used to start the server.
// (do not use 'coffee' here, the server will not be able to restart
// see below at opts for coffee-script support)
cmd: process.argv[0],
// Will turn into: `node OPT1 OPT2 ... OPTN path/to/server.js ARG1 ARG2 ... ARGN`
// (e.g. opts: ['node_modules/coffee-script/bin/coffee'] will correctly parse coffee-script)
opts: [ ],
args: [ ],
// Setting to `false` will effectively just run `node path/to/server.js`
background: true,
// Called when the spawned server throws errors
fallback: function() {},
// Override node env's PORT
port: 3000,
// Override node env's NODE_ENV
node_env: undefined,
// Enable Node's --harmony flag
harmony: false,
// Consider the server to be "running" after an explicit delay (in milliseconds)
// (e.g. when server has no initial output)
delay: 0,
// Regular expression that matches server output to indicate it is "running"
output: ".+",
// Set --debug (true | false | integer from 1024 to 65535, has precedence over breakOnFirstLine)
debug: false,
// Set --debug-brk (true | false | integer from 1024 to 65535)
breakOnFirstLine: false,
// Object with properties `out` and `err` both will take a path to a log file and
// append the output of the server. Make sure the folders exist.
logs: undefined
}
}
```
### Usage
By default, unless `delay` or `output` has been customized,
**the server is considered "running" once any output is logged to the console**,
upon which control is passed back to grunt.
Typically, this is:
> Express server listening on port 3000
If your server doesn't log anything, the express task will never finish and **none** of the following tasks, after it, will be executed. For example - if you have a development task like this one:
```javascript
grunt.registerTask('rebuild', ['clean', 'browserify:scripts', 'stylus', 'copy:images']);
grunt.registerTask('dev', ['rebuild', 'express', 'watch']);
```
If you run the dev task and your server doesn't log anything, **'watch' will never be started**.
This can easily be avoided, if you log something, when server is created like that:
```javascript
var server = http.createServer( app ).listen( PORT, function() {
console.log('Express server listening on port ' + PORT);
} );
```
If you log output *before* the server is running, either set `delay` or `output` to indicate
when the server has officially started.
#### Starting the server
If you have a server defined named `dev`, you can start the server by running `express:dev`. The server only runs as long as grunt is running. Once grunt's tasks have completed, the web server stops.
#### Stopping the server
Similarly, if you start the `dev` server with `express:dev`, you can stop the server
with `express:dev:stop`.
#### With [grunt-contrib-watch](https://github.com/gruntjs/grunt-contrib-watch)
```js
grunt.initConfig({
watch: {
express: {
files: [ '**/*.js' ],
tasks: [ 'express:dev' ],
options: {
spawn: false // for grunt-contrib-watch v0.5.0+, "nospawn: true" for lower versions. Without this option specified express won't be reloaded
}
}
}
});
grunt.registerTask('server', [ 'express:dev', 'watch' ])
```
**Important:** Note that the `spawn: false` options only need be applied to the watch target regarding the express task.
You may have other watch targets that use `spawn: true`, which is useful, for example, to reload CSS and not LESS changes.
```js
watch: {
options: {
livereload: true
},
express: {
files: [ '**/*.js' ],
tasks: [ 'express:dev' ],
options: {
spawn: false
}
},
less: {
files: ["public/**/*.less"],
tasks: ["less"],
options: {
livereload: false
}
},
public: {
files: ["public/**/*.css", "public/**/*.js"]
}
}
```
## 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](http://gruntjs.com/).
## Release History
- v0.5.3 - Update peerDeps and enable travis build against Node 4
- v0.5.2 - Add `hardStop` flag ([#99](https://github.com/ericclemmons/grunt-express-server/pull/99))
- v0.5.1 - Add `harmony` flag ([#86](https://github.com/ericclemmons/grunt-express-server/pull/86))
- v0.5.0 - Add breakOnFirstLine option, support for debug ports and fix bugs. Details: ([#68](https://github.com/ericclemmons/grunt-express-server/pull/68), [#70](https://github.com/ericclemmons/grunt-express-server/pull/70), [#73](https://github.com/ericclemmons/grunt-express-server/pull/73))
- v0.4.19 – Use `process.env.PORT` before `3000` ([#59](https://github.com/ericclemmons/grunt-express-server/pull/59))
- v0.4.18 – Fix for when running the node debugger ([#57](https://github.com/ericclemmons/grunt-express-server/pull/57))
- v0.4.17 – Update `devDependencies`...again
- v0.4.16 – Update `devDependencies`
- v0.4.15 – Recommend using local `coffee` with additional arguments ([#50](https://github.com/ericclemmons/grunt-express-server/pull/50))
- v0.4.14 – Attempt to fix issues running Coffeescript ([#54](https://github.com/ericclemmons/grunt-express-server/pull/54))
- v0.4.13 – Add `--nodejs` for Coffeescript users ([#37](https://github.com/ericclemmons/grunt-express-server/issues/37))
- v0.4.12 – Only remove this task's listeners ([#39](https://github.com/ericclemmons/grunt-express-server/pull/39))
- v0.4.11 – Revert v0.4.10 until Travis can reproduce it
- v0.4.10 – Another attempt to fix #28 & #30's server restarting issue ([#31](https://github.com/ericclemmons/grunt-express-server/pull/31))
- v0.4.9 – Revert v0.4.8 until [#30](https://github.com/ericclemmons/grunt-express-server/issues/30#issuecomment-29931192) is resolved
- v0.4.8 – Fix issue with start/restarting multiple instances ([#29](https://github.com/ericclemmons/grunt-express-server/pull/29))
- v0.4.7 – Remove broken `error` option ([#27](https://github.com/ericclemmons/grunt-express-server/issues/27))
- v0.4.6 – Store running servers on `process._servers[target]` ([#22](https://github.com/ericclemmons/grunt-express-server/issues/22))
- v0.4.5 – Support multiple servers running at once ([#23](https://github.com/ericclemmons/grunt-express-server/pull/23))
- v0.4.4 - Fix for using `grunt-env` to change environments, thanks to @FredrikAppelros ([#20](https://github.com/ericclemmons/grunt-express-server/pull/20))
- v0.4.3 - Add `cmd` option that defaults to Node, but can be set to `coffee` for Coffeescript support, thanks to @JonET ([#15](https://github.com/ericclemmons/grunt-express-server/pull/15))
- v0.4.2 - Add `debug` option that gets enables Node's debugger, ideally for use with [node-inspector](https://github.com/node-inspector/node-inspector)
- v0.4.1 - Add `node_env` option that sets `NODE_ENV` when running the server & restores original env upon closing, thanks to @jgable!
- v0.4.0
- Add `delay` option that, when set, passes control back to grunt after timeout
- Add `output` regular expression option that, when set, waits for matching message before passing control back to grunt
- v0.3.1 - Try to force notification that `express` task has finished as much as possible
- v0.3.0 - `express` is now a multitask with customizable options, better error handling and `:stop` task
- v0.2.0
- Change `express-server` task to `express`
- Config is set via `express: '...'` instead of `server: { script: '...' } `
- v0.1.0 - Initial import from [Genesis Skeleton](https://github.com/ericclemmons/genesis-skeleton) & release
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