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105 lines
2.0 KiB
Markdown
105 lines
2.0 KiB
Markdown
5 years ago
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# cliui
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[](https://travis-ci.org/bcoe/cliui)
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[](https://coveralls.io/r/bcoe/cliui?branch=)
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[](https://www.npmjs.com/package/cliui)
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easily create complex multi-column command-line-interfaces.
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## Example
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```js
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var ui = require('cliui')({
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width: 80
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})
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ui.div('Usage: $0 [command] [options]')
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ui.div({
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text: 'Options:',
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padding: [2, 0, 2, 0]
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})
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ui.div(
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{
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text: "-f, --file",
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width: 40,
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padding: [0, 4, 0, 4]
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},
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{
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text: "the file to load",
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width: 25
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},
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{
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text: "[required]",
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align: 'right'
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}
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)
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console.log(ui.toString())
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```
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## Layout DSL
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cliui exposes a simple layout DSL:
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If you create a single `ui.row`, passing a string rather than an
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object:
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* `\n`: characters will be interpreted as new rows.
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* `\t`: characters will be interpreted as new columns.
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* ` `: characters will be interpreted as padding.
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**as an example...**
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```js
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var ui = require('./')({
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width: 60
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})
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ui.div(
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'Usage: node ./bin/foo.js\n' +
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' <regex>\t provide a regex\n' +
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' <glob>\t provide a glob\t [required]'
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)
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console.log(ui.toString())
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```
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**will output:**
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```shell
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Usage: node ./bin/foo.js
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<regex> provide a regex
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<glob> provide a glob [required]
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```
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## Methods
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```js
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cliui = require('cliui')
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```
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### cliui({width: integer})
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Specify the maximum width of the UI being generated.
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### cliui({wrap: boolean})
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Enable or disable the wrapping of text in a column.
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### cliui.div(column, column, column)
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Create a row with any number of columns, a column
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can either be a string, or an object with the following
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options:
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* **width:** the width of a column.
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* **align:** alignment, `right` or `center`.
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* **padding:** `[top, right, bottom, left]`.
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### cliui.span(column, column, column)
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Similar to `div`, except the next row will be appended without
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a new line being created.
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