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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58 lines
1.2 KiB
58 lines
1.2 KiB
# spawn-please
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[](https://npmjs.org/package/spawn-please)
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> Promisified child_process.spawn. \*Supports stdin* \*Rejects on stderr*
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## Install
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```sh
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$ npm install --save spawn-please
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```
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## Usage
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> `promise = spawn(command, [arguments], [stdin], [options])`
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`options` are passed directly through to `child_process.spawn`.
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```js
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const spawn = require('spawn-please')
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spawn('printf', ['please?'])
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.then(output => {
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assert.equal(output, 'please?')
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})
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```
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### How is this different than other child_process libraries?
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- Allows you to pass a string to stdin:
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```js
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spawn('cat', [], 'test')
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.then(output => {
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assert.equal(output, 'test')
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})
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```
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- Rejects on any stderr:
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```js
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spawn('some-command-with-stderr')
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.catch(stderr => {
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// do something with stderr
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})
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```
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### Using your own Promise library
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**spawn-please** uses the global Promise object by default. You may use your own Promise library by overriding the Promise property:
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```js
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const spawn = require('spawn-please')
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spawn.Promise = require('bluebird')
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```
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## License
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ISC © [Raine Revere](https://github.com/raineorshine)
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