124 lines
3.5 KiB
Markdown
124 lines
3.5 KiB
Markdown
[](https://travis-ci.org/abdennour/react-csv)
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[](https://coveralls.io/github/abdennour/react-csv?branch=master)
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# Overview :
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Generate CSV document according to given data.
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This data can be array of arrays , or array of literal objects or string which is the CSV content.
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# Example :
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```js
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import {CSVLink, CSVDownload} from 'react-csv';
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const csvData =[
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['firstname', 'lastname', 'email'] ,
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['Ahmed', 'Tomi' , 'ah@smthing.co.com'] ,
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['Raed', 'Labes' , 'rl@smthing.co.com'] ,
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['Yezzi','Min l3b', 'ymin@cocococo.com']
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];
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<CSVLink data={csvData} >Download me</CSVLink>
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// or
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<CSVDownload data={csvData} target="_blank" />
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```
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# Components:
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This package includes actually two components: `CSVLink` and `CSVDownload`.
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## 0. Common Props:
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The two components accepts the following `Props`:
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### - **data** Props:
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a required property that represents the CSV data.
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This data can be *array of arrays*, *array of literal objects* or *string*.
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**.i.e (array of arrays)**
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```js
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//array of arrays : each item is rendered as csv line
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data = [
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['firstname', 'lastname', 'email'] ,
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['Ahmed', 'Tomi' , 'ah@smthing.co.com'] ,
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['Raed', 'Labes' , 'rl@smthing.co.com'] ,
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['Yezzi','Min l3b', 'ymin@cocococo.com']
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];
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```
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**.i.e (array of literal objects)**
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```js
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//array of literal objects : each item is rendered as csv line however the order of fields will be defined by headers props .If headers props is not defined , the component will generate headers from all data items.
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data = [
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{firstname: 'Ahmed', lastname: 'Tomi' , email: 'ah@smthing.co.com'},
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{firstname:'Raed', lastname:'Labes' , email:'rl@smthing.co.com'} ,
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{firstname:'Yezzi', lastname:'Min l3b', email:'ymin@cocococo.com'}
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];
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```
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**.i.e (string)**
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```js
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//if the data is string , this means the csv content is already generated by developer/3rd party package.
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data =`firstname,lastname
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Ahmed,Tomi
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Raed,Labes
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Yezzi,Min l3b
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`;
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// or using 3rd party package
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import json2csv from 'json2csv';
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data = json2csv(arrayOfLiteralObjects);
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```
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### - **headers** Props:
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Specifying `headers` helps to define an order of CSV fields , so , the csv content will be generated accordingly.
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> Notes :
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> - The meaning of headers with data of type `Array` is to order fields AND prepend those headers at the top of CSV content.
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> - The meaning of headers with data of type `String` data is only prepending those headers as the first line of CSV content.
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## 1. CSVLink Component:
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It renders a hyperlink , and clicking on it will trigger the download action of the CSV document.
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It does not accept only `data` and `headers` props , but also , it rendered all props of `HTMLAnchor` tag. (className, target,....)
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**example**
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```js
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import {CSVLink} from 'react-csv';
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<CSVLink data={data}
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className="btn btn-primary"
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target="_blank">
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Download me
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</CSVLink>
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```
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## 2. CSVDownload Component:
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It triggers downloading ONLY on mounting the component. so , be careful to render this component whenever it is needed.
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It does not accept only `data` and `headers` props , but also , it takes advantage of all arguments of `window.open` function known that its signature is :
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```js
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window.open(ARG0, target, specs, replace )
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```
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Thus, `target`, `specs` and `replace` Props are available .
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**example**
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```js
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import {CSVDownload} from 'react-csv';
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<CSVDownload data={data} target="_blank" />
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```
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