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302 lines
9.5 KiB
Markdown
302 lines
9.5 KiB
Markdown
# tty-table 端子台
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[](http://badge.fury.io/js/tty-table) [](https://coveralls.io/github/tecfu/tty-table?branch=master)
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---
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Display your data in a table using a terminal, browser, or browser console.
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---
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## [Examples](examples/)
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[See here for complete example list](examples/)
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To view all example output:
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```sh
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$ git clone https://github.com/tecfu/tty-table && cd tty-table && npm i
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$ npm run view-examples
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```
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### Terminal (Static)
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[examples/styles-and-formatting.js](examples/styles-and-formatting.js)
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### Terminal (Streaming)
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```
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$ node examples/data/fake-stream.js | tty-table --format json --header examples/config/header.js
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```
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- See the built-in help for the terminal version of tty-table with:
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```
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$ tty-table -h
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```
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### Browser & Browser Console
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- View in Chrome or Chromium at [http://localhost:8070/examples/browser-example.html](http://localhost:8070/examples/browser-example.html) using a dockerized apache instance:
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```sh
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git clone https://github.com/tecfu/tty-table
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cd tty-table
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docker run -dit --name tty-table-in-browser -p 8070:80 -v "$PWD":/usr/local/apache2/htdocs/ httpd:2.4
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```
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- [live demo (chrome only): jsfiddle](https://jsfiddle.net/nb14eyav/)
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- [live demo (chrome only): plnkr](https://plnkr.co/edit/iQn9xn5yCY4NUkXRF87o?p=preview)
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- [source: examples/browser-example.html](examples/browser-example.html)
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<br/>
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<br/>
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## API Reference
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<!--API-REF-->
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<a name="new_Table_new"></a>
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### Table(header ```array```, rows ```array```, options ```object```)
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| Param | Type | Description |
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| --- | --- | --- |
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| [header](#header_options) | <code>array</code> | Per-column configuration. An array of objects, one object for each column. Each object contains properties you can use to configure that particular column. [See available properties](#header_options) |
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| [rows](#rows_examples) | <code>array</code> | Your data. An array of arrays or objects. [See examples](#rows_examples) |
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| [options](#options_properties) | <code>object</code> | Global table configuration. [See available properties](#options_properties) |
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<br/>
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<a name="header_options"></a>
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#### header ```array of objects```
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| Param | Type | Description |
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| --- | --- | --- |
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| alias | <code>string</code> | Text to display in column header cell |
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| align | <code>string</code> | default: "center" |
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| color | <code>string</code> | default: terminal default color |
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| footerAlign | <code>string</code> | default: "center" |
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| footerColor | <code>string</code> | default: terminal default color |
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| formatter | <code>function(cellValue, columnIndex, rowIndex, rowData, inputData</code> | Runs a callback on each cell value in the parent column. <br/>Please note that fat arrow functions `() => {}` don't support scope overrides, and this feature won't work correctly within them. |
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| @formatter configure | <code>function(object)</code> | Configure cell properties. For example: <br/>`this.configure({ truncate: false, align: "left" })` [More here](https://github.com/tecfu/tty-table/blob/master/examples/truncated-lines.js#L100-L110). |
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| @formatter resetStyle | <code>function(cellValue)</code> | Removes ANSI escape sequences. For example: <br/>`this.resetStyle("[32m myText[39m") // "myText"`<br/> |
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| @formatter style | <code>function(cellValue, effect)</code> | Style cell value. For example: <br/>`this.style("mytext", "bold", "green", "underline")`<br/>For a full list of options in the terminal: [chalk](https://github.com/chalk/chalk). For a full list of options in the browser: [kleur](https://github.com/lukeed/kleur)|
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| headerAlign | <code>string</code> | default: "center" |
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| headerColor | <code>string</code> | default: terminal's default color |
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| marginLeft | <code>integer</code> | default: 0 |
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| marginTop | <code>integer</code> | default: 0 |
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| paddingBottom | <code>integer</code> | default: 0 |
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| paddingLeft | <code>integer</code> | default: 1 |
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| paddingRight | <code>integer</code> | default: 1 |
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| paddingTop | <code>integer</code> | default: 0 |
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| value | <code>string</code> | Name of the property to display in each cell when data passed as an array of objects |
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| width | <code>string</code> \|\| <code>integer</code> | default: "auto" <br/> Can be a percentage of table width i.e. "20%" or a fixed number of columns i.e. "20". <br/> When set to the default ("auto"), the column widths are made proportionate by the longest value in each column. <br/> Note: Percentage columns and fixed value colums not intended to be mixed in the same table.|
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**Example**
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```js
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let header = [{
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value: "item",
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headerColor: "cyan",
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color: "white",
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align: "left",
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width: 20
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},
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{
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value: "price",
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color: "red",
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width: 10,
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formatter: function (value) {
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let str = `$${value.toFixed(2)}`
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return (value > 5) ? this.style(str, "green", "bold") :
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this.style(str, "red", "underline")
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}
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}]
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```
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<br/>
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<br/>
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<a name="rows_examples"></a>
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#### rows ```array```
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**Example**
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- each row an array
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```js
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const rows = [
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["hamburger",2.50],
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]
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```
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- each row an object
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```js
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const rows = [
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{
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item: "hamburger",
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price: 2.50
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}
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]
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```
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<br/>
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<br/>
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<a name="footer_example"></a>
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#### footer ```array```
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- Footer is optional
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**Example**
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```js
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const footer = [
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"TOTAL",
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function (cellValue, columnIndex, rowIndex, rowData) {
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let total = rowData.reduce((prev, curr) => {
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return prev + curr[1]
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}, 0)
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.toFixed(2)
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return this.style(`$${total}`, "italic")
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}
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]
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```
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<br/>
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<br/>
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<a name="options_properties"></a>
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#### options ```object```
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| Param | Type | Description |
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| --- | --- | --- |
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| borderStyle | <code>string</code> | default: "solid". <br/> options: "solid", "dashed", "none" |
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| borderColor | <code>string</code> | default: terminal default color |
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| color | <code>string</code> | default: terminal default color |
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| compact | <code>boolean</code> | default: false <br/> Removes horizontal borders when true. |
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| defaultErrorValue | <code>mixed</code> | default: '<27>' |
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| defaultValue | <code>mixed</code> | default: '?' |
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| errorOnNull | <code>boolean</code> | default: false |
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| truncate | <code>mixed</code> | default: false <br/> When this property is set to a string, cell contents will be truncated by that string instead of wrapped when they extend beyond of the width of the cell. <br/> For example if: <br/> <code>"truncate":"..."</code> <br/> the cell will be truncated with "..." <br/> Note: tty-table wraps overflowing cell text into multiple lines by default, so you would likely only utilize `truncate` for extremely long values. |
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| width | <code>string</code> | default: "100%" <br/> Width of the table. Can be a percentage of i.e. "50%" or a fixed number of columns in the terminal viewport i.e. "100". <br/> Note: When you use a percentage, your table will be "responsive".|
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**Example**
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```js
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const options = {
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borderStyle: "solid",
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borderColor: "blue",
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headerAlign: "center",
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align: "left",
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color: "white",
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truncate: "...",
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width: "90%"
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}
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```
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<br/>
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### Table.render() ⇒ <code>String</code>
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<a name="Table.tableObject.render"></a>
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Add method to render table to a string
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**Example**
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```js
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const out = Table(header,rows,options).render()
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console.log(out); //prints output
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```
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<!--END-API-REF-->
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<br/>
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<br/>
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## Installation
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- [Terminal](docs/terminal.md):
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```sh
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$ npm install tty-table -g
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```
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- Node Module
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```sh
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$ npm install tty-table
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```
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- Browser
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```js
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import Table from 'https://cdn.jsdelivr.net/gh/tecfu/tty-table/dist/tty-table.esm.js'
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let Table = require('tty-table') // https://cdn.jsdelivr.net/gh/tecfu/tty-table/dist/tty-table.cjs.js
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let Table = TTY_Table; // https://cdn.jsdelivr.net/gh/tecfu/tty-table/dist/tty-table.umd.js
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```
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## Version Compatibility
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| Node Version | tty-table Version |
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| -------------- | ------------------|
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| 8 | >= 2.0 |
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| 0.11 | >= 0.0 |
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## Running tests
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```sh
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$ npm test
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```
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```sh
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$ npm run coverage
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```
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## Saving the output of new unit tests
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```sh
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$ npm run save-tests
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```
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## Dev Tips
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- To generate vim tags (make sure [jsctags](https://github.com/ramitos/jsctags) is installed globally)
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```sh
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$ npm run tags
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```
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- To generate vim tags on file save
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```sh
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$ npm run watch-tags
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```
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## Pull Requests
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Pull requests are encouraged!
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- Please remember to add a unit test when necessary
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- Please format your commit messages according to the ["Conventional Commits"](https://www.conventionalcommits.org/en/v1.0.0/) specification
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If you aren't familiar with Conventional Commits, here's a good [article on the topic](https://dev.to/maniflames/how-conventional-commits-improved-my-git-skills-1jfk)
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TL/DR:
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- feat: a feature that is visible for end users.
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- fix: a bugfix that is visible for end users.
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- chore: a change that doesn't impact end users (e.g. chances to CI pipeline)
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- docs: a change in the README or documentation
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- refactor: a change in production code focused on readability, style and/or performance.
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## [Packaging as a distributable](packaging.md)
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## License
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[MIT License](https://opensource.org/licenses/MIT)
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Copyright 2015-2020, Tecfu.
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