StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics https://doi.org/10.1109/TVCG.2020.3030352
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StackGenVis/frontend/node_modules/assemble-handle/README.md

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# assemble-handle [![NPM version](https://img.shields.io/npm/v/assemble-handle.svg?style=flat)](https://www.npmjs.com/package/assemble-handle) [![NPM monthly downloads](https://img.shields.io/npm/dm/assemble-handle.svg?style=flat)](https://npmjs.org/package/assemble-handle) [![NPM total downloads](https://img.shields.io/npm/dt/assemble-handle.svg?style=flat)](https://npmjs.org/package/assemble-handle) [![Linux Build Status](https://img.shields.io/travis/assemble/assemble-handle.svg?style=flat&label=Travis)](https://travis-ci.org/assemble/assemble-handle)
> Assemble pipeline plugin for handling custom middleware stages.
## Install
Install with [npm](https://www.npmjs.com/):
```sh
$ npm install --save assemble-handle
```
## Usage
```js
var handle = require('assemble-handle');
```
### handle
Handle middleware for the given middleware "stage".
```js
app.task('default', function() {
return app.src('*.js')
.pipe(handle(app, 'handlerName')) //<= handle middleware
.pipe(app.dest('foo'))
});
```
**Example**
```js
var assemble = require('assemble');
var handle = require('assemble-handle');
var app = assemble();
/**
* create some middleware "stages"
*/
app.handler('onStream');
app.handler('preWrite');
app.handler('postWrite');
/**
* Create middleware
*/
app.onStream(/\.(js|css)$/, function(file, next) {
// lint javascript
next();
});
app.preWrite(/\.(jpg|png)$/, function(file, next) {
// minify images
next();
});
app.postWrite(/./, function(file, next) {
// create files tree or something
next();
});
/**
* Run (handle) the middleware
*/
app.task('site', function() {
return app.src('assets/**/*.*')
.pipe(handle(app, 'onStream')) // handle onStream
.pipe(handle(app, 'preWrite')) // handle preWrite
.pipe(app.dest('site/'));
.pipe(handle(app, 'postWrite')) // handle postWrite
});
```
### handle.once
A `.once` method is exposed, which has the same exact behavior as the main function, but will ensure that middleware is only handled once for a given "stage".
**Example**
For example the given middleware will only run once.
```js
var assemble = require('assemble-core');
var handle = require('assemble-handle');
var app = assemble();
app.handler('onFoo');
app.onFoo(/./, function(file, next) {
file.count = file.count || 0;
file.count++;
next();
});
app.task('handle-once', function(cb) {
var files = [];
app.src('test/**/*.*')
.pipe(handle.once(app, 'onFoo'))
.pipe(handle.once(app, 'onFoo'))
.pipe(handle.once(app, 'onFoo'))
.pipe(handle.once(app, 'onFoo'))
.pipe(handle.once(app, 'onFoo'))
.on('data', function(file) {
files.push(file);
})
.pipe(app.dest('test/actual'))
.on('end', function() {
console.log(files[0].count);
//=> 1
cb();
});
});
app.task('handle', function(cb) {
var files = [];
app.src('test/**/*.*')
.pipe(handle(app, 'onFoo'))
.pipe(handle(app, 'onFoo'))
.pipe(handle(app, 'onFoo'))
.pipe(handle(app, 'onFoo'))
.pipe(handle(app, 'onFoo'))
.on('data', function(file) {
files.push(file);
})
.pipe(app.dest('test/actual'))
.on('end', function() {
console.log(files[0].count);
//=> 5
cb();
});
});
```
## Custom handlers
Create custom middleware handlers.
```js
app.handler('onFoo');
```
This adds an `.onFoo` method to the instance:
```js
app.onFoo(/\.hbs$/, function(file, next) {
// do stuff to file
next();
});
```
All `.onFoo` middleware will now run when the `onFoo` handler is called:
```js
app.task('default', function() {
return app.src('*.hbs')
// call the `onFoo` handler
.pipe(handle(app, 'onFoo'))
});
```
## About
### Related projects
* [assemble-core](https://www.npmjs.com/package/assemble-core): The core assemble application with no presets or defaults. All configuration is left to the… [more](https://github.com/assemble/assemble-core) | [homepage](https://github.com/assemble/assemble-core "The core assemble application with no presets or defaults. All configuration is left to the implementor.")
* [assemble-fs](https://www.npmjs.com/package/assemble-fs): Assemble plugin to add methods to assemble for working with the file system, like src… [more](https://github.com/assemble/assemble-fs) | [homepage](https://github.com/assemble/assemble-fs "Assemble plugin to add methods to assemble for working with the file system, like src, dest, copy and symlink.")
* [assemble-streams](https://www.npmjs.com/package/assemble-streams): Assemble pipeline plugin for pushing views into a vinyl stream. | [homepage](https://github.com/assemble/assemble-streams "Assemble pipeline plugin for pushing views into a vinyl stream.")
* [assemble](https://www.npmjs.com/package/assemble): Get the rocks out of your socks! Assemble makes you fast at creating web projects… [more](https://github.com/assemble/assemble) | [homepage](https://github.com/assemble/assemble "Get the rocks out of your socks! Assemble makes you fast at creating web projects. Assemble is used by thousands of projects for rapid prototyping, creating themes, scaffolds, boilerplates, e-books, UI components, API documentation, blogs, building websit")
### Contributing
Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
### Contributors
| **Commits** | **Contributor** |
| --- | --- |
| 13 | [jonschlinkert](https://github.com/jonschlinkert) |
| 3 | [doowb](https://github.com/doowb) |
### Building docs
_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
To generate the readme, run the following command:
```sh
$ npm install -g verbose/verb#dev verb-generate-readme && verb
```
### Running tests
Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
```sh
$ npm install && npm test
```
### Author
**Jon Schlinkert**
* [github/jonschlinkert](https://github.com/jonschlinkert)
* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
### License
Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
Released under the [MIT License](LICENSE).
***
_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on May 28, 2017._