Dynamic table react

Dynamic table react DEFAULT

Introduction

A Table is an essential building block of a user interface which is very critical for displaying data in a web, mobile or desktop App. Also referred to as data grid, a Table is an arrangement of data in rows and columns or in a more complex structure.

The goal of every frontend developer is to create an intuitive user interface with data properly displayed regardless of screen size. Hence the importance of tables in UI UX cannot be over emphasized in software development as a whole.

This guide is focused on using react-table library to build a simple transactions history logs Table. After building our Table we will then proceed to spice it up with Filtering, Sorting and pagination functionality. Interestingly react-table is a lightweight, 100% customizable and fully controllable tool for building fast and extendable data grids for React. In React Table, you the developer are responsible for rendering the UI (markup and styles) of your table. The Library was created by Tanner Lesley, and is well documented react-table.tanstack.com.

This guide assumes that you are familiar with HTML table element, creating a Mock API, making API calls using axios and React Hooks.

If you do not already know about Mock API, Set up the Mock API as explained in my previous guide, How to create a Mock API in React.

Your data structure in db.json file should look like this for the purpose of this tutorial.

db.json

Now start the API server by running this command:

The mock-server should be up and running on

As mention earlier this guide assumes that you’re familiar with the basics of working with react, so I am just going to dive straight into the setup and move on.

Run the Create-React-App, command to create a new React App:

Now startup the App by running the command:

Remember our Mock-API server is running on *port 3000 which is also the default port for React. So expect React server to complain of *port 3000 already in use. Simply press enter key and follow the prompt to start React Server on another port.

A typical table is made up of rows which contain columns. A table configurations can get far more complex with nested columns, sub rows, etc.

React Table uses useTable hook which accepts column and data array object and returns a Table instance that contains everything you will need to build a table and interact with its state. This includes:

  • Sorting
  • Filtering
  • Grouping
  • Pagination
  • Columns

From react-table official Doc

useTable at the very least needs to be provided with an object containing the memoized columns and data.

  • column is an array of object, where each object is a key value pair representation of Table Column Header.

  • data is an array of object which contains rows to be displayed on the table.

Define Columns For the Table

Now that we have some data coming from our mock-API, let’s create a set of column definitions to pass into the useTable hook.

Create a file Column.js, here we will define our column structure (an array of objects that consists of:

Header - Table column header display string or JSX.
accessor - key in data object

Both accessor and Header value can be a function.

Column.js

We now have data to populate the Table coming from our mock API and a Column definition, it’s time to create our Table.

Creating a basic Table in a React app is easy with react-table. Run the following command to install it:

First lets create our Table component, create a file TransactionsLogTable.js place the following code inside the file.

TransactionsLogTable.js

Above we imported the useTable Hook and defined our Table Component as TransactionsLogTable. The Component will receive column and data from the props, which originate from those objects and arrays that we defined earlier.

Note that we memoized column and data object before passing them to useTable as emphasized in react-table official Doc.

It’s important that we’re using React.useMemo here to ensure that our data isn’t recreated on every render. If we didn’t use React.useMemo, the table would think it was receiving new data on every render and attempt to recalculate a lot of logic every single time. Not cool!

The getTableProps and getTableBodyProps functions are passed to the Table from the instance returned by the useTable Hook.

please refer to the official react-table Doc for more in-depth explanation on the built in functions

Next Open the App.js file and replace the default content with the following:

App.js

Finally we imported column object from the Column.js file, TransactionsLogTable Component from TransactionsLogTable.js file and make an API call to our Mock-API using axios to retrieve of data.

Then we returned our Table Component passing column and data to it as props.

We are now done with the basics of how to use React Table.

Styling the Table

Now let’s add some styling to our Table to make it more appealing!.
Create a file App.css and add the following css style

Now start the React Server if it’s not already running. If you’ve followed the guide correctly your output should look like this:
transactionsLogTable

Customising Table Cell

In the introductory part of this guide, I did mention it that React Table is %100 customizable. We are going to Customize the date and status Column of our Table.

React Table 7 allows you to define custom look for each cell. We can do this in the definition for a given column. We can render any React Component.

Open the Column.js file and modify it this way

Refresh the browser to see our changes, your output should look like this:
React Table Customize cell

Now you can see that the date field is looking more readable and the status field uses color to indicate the status of each transaction instead of text. You can customize your Table Cell however you want.

We have successfully setup our React Table at the most basic level and customized some of the Table Cell to suit our need.

In the next part of this simple guide we will add Pagination functionality to the Table.

ADD PAGINATION TO A REACT TABLE

Sours: https://www.codesmartly.codes/react/javascript/how-to-create-dynamic-tables-from-react-table-v7/

How to create a dynamic table in React JS depending on keys?

Alright alright, i took me around two hours to do it and to get back into react, it's been a while i haven't touched it. So if y'all see something to refactor, with pleasure you can edit !

The code first :

Why undefined ? Well, like i said, im kind of rotten on react (and maybe on codding ;) ) But i didn't find any other way to keep the orders of each value under her belonging column without it being at her current index in the array.

To come back to our code, we end up with a variable row populated with each values belonging to her current column name, so at the right index.

the payload of row before being sending back on the html is so :

As you see, it isn't clean. But i did not find any solution for that, i believe it's possible but it requires more time to think.

So since it's really deeply nested, i had to come up with some filters, to allow the user to see when the property doens't exist, or we could just left it blank.

After each push, i need to clean my deep nested values in arrays, so i've come up with a function filterDeepUndefinedValues

And the function itself

To make short, i have arrays nested in array which contain undefined values, so i'll return a new array filtered out without undefined value, so it return an empty array.

How the array is received in the function initially enter image description here

In the second part, i just replace empty array content by a hyphen in array

First treatment with .map and filter() enter image description here

Replace empty array with a hyphenenter image description here

The return of addTableRow

Here we simply map all the values from rows and render a td for each array of row

Im running out of time to end the details, but all it's here and i will try to come back later to clean a bit this answer and it's grammar.

Codesandbox link: https://codesandbox.io/s/bold-mendel-vmfsk?file=/src/App.js

Sours: https://stackoverflow.com/questions/65005097/how-to-create-a-dynamic-table-in-react-js-depending-on-keys
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npm

functionTable({ data }){

constheaders=['Column 1','Column 2','Column 3','Column 4'];

constnewData=data.map(item=>{

constnewItem=[];

        newItem['Column 1']={

            value:<ImageComponent src={item.src} alt={item.name}/>,

            width:7,

            noSort:true,

            noTitle:true,

};

        newItem['Column 2']={

            value:item.name,

            noDivider:true,

            columnTitleColor:'#ff0000',

};

        newItem['Column 3']={

            value:handleSizeTooBig(item.size),

            originalValue:item.size,

            titleAlign:'right',

};

        newItem['Column 4']={

            value:'Download',

action:()=>downloadMedia(item),

};

return newItem;

});

return<Table headers={headers} data={newData}/>;

}

Example

Sours: https://www.npmjs.com/react-table-dynamic
Create a Table in React - Learn how to view, add, delete and edit rows in a table from Scratch

Hello again!¬†👋¬†😊

In the comment section¬†under my previous post there was quite a discussion about creating a more dynamic solution for dynamic tables in React, so here we are!¬†🚀

Today I wanna show you a more dynamic solution than the previous one.¬†🔥

Effect of this short post:

React - customized dynamic table

In below example I used the following concept:

  • table is described by columns and data properties,
  • table is composed of header and some data records,
  • the array allows us to decide which column names we want to display in the data rows,¬†
  • using¬†¬†function we are able to reduce the amount of code ‚Äď columns and data arrays are mapped into React components.

Note:

Remember that each element should have a unique  - it helps React optimally manage changes in the DOM. Such a key may be for example the  assigned to each element of the table.

Practical example:

References

Sours: https://dirask.com/posts/How-to-create-customized-dynamic-table-in-React-with-dynamic-header-j4qyG1

Table react dynamic

Hi everyone!¬†👋¬†😊

Last week I had a problem with creating a dynamic table in React, so I thought that maybe someone will find this solution helpful.

Effect of this short post:

React - customized dynamic table

I took several steps in the solution below:

  1. I created a dynamic table based on array,
  2. Each table consists of a header and some data records,
  3. The header is fixed and keeps the same amount of columns,
  4. While creating records I used  function to convert array items into React elements. 

Remember¬†that each element should have a unique key¬†🗝ÔłŹ¬†because¬†it helps¬†React¬†optimally manage changes in the DOM.¬†Such a key may be¬†for example¬†the¬†¬†assigned to each element of the table.

Runnable example:

Note:

Check out¬†this article¬†if you want to read¬†more about dynamic tables.¬†😊

References

Sours: https://dirask.com/posts/How-to-create-customized-dynamic-table-in-React-pqa53p
React Table Tutorial - 3 - Basic Table

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Can you switch to. I have to get used to. Come on. Come on. Height height difference.



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