I am trying and banging my head already while trying to read excel file in Reactjs. I have tried multiple libraries out there like, Sheetjs , excel-parser, exceljs and so on (like 8-9) libraries. I am getting weird and different errors in every library. For example i am using excel-parser and getting following error That is because it is a
Tag: reactjs
Fetch local JSON file from public folder ReactJS
I have a problem since two days; I want read a local JSON from my public folder on my React application created with react-app. This is my project structure: public data mato.json (my .JSON file) src components App.js Why I put my file in public folder? If I build my project with file in src folder, my file will be
Build error while compiling create-react-app
I am new to Reactjs and am started learning it. I have been trying to start a basic hello world program but its failing at compilation level. Created a start up hello-word program with create-react-app hello-world it gave me a nice folder structure with bunch of files. And Here you can see the compilation error Here the error states cannot
Render curly braces as plain text in React/JSX
I am having problems displaying { and } as text in React. I saw a similar question that someone said to wrap the entire string in curlies, but this is not working: The return (<p>{“{{}}”}<p>) causes Is there an easy way to escape curly braces in jsx? Answer I think the issue is just a typo. You have this: but
Rendering heavy SVG files (improving performance)
In our company we want to come up with universal solution for creating interactive presentations as mobile applications. First idea was to create a PDF file and use it in mobile phone, it didn’t work out – it was too slow. Another idea was to convert PDF into SVGs and use them as scenes (slides) and that’s what I am
Struggle with chaining of promises in react application
JavaScript, React – sending multiple simultaneous ajax calls struggling with promises. Basically I want to chain the calls, if one server call completes then only do next call, and collect the successful response of calls from endpoint /pqr made inside makeServerCalls. Error: expected to return a value in arrow function. What am I doing wrong here? Is this a right
How to remove ESlint error no-unresolved from importing ‘react’
no-unresolved https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-unresolved.md After installing eslint-import-resolver-webpack My .eslintrc config My package.json Webpack Answer You can add an option to ignore case: This thread at github also describes how the linter was checking case for parts of the path which come before the folder containing package.json. If you for example have the path: C:/Workspace/app and you navigate to it using cd C:/workspace/app
Modifying Shopify Polaris Styles – Reactjs
I am trying to modify Shopify Polaris Button components colors for React, I tried to change style.css file but nothing happened. Any idea how to do so? App.js I am trying to modify node_modules/@shopify/polaris/styles.css , but it does not make ay effect to button color. Answer The Polaris design system is meant to provide consistency to apps within the Shopify
Using Webpack HtmlWebpackPlugin
I am very new to webpack and stuffs, I need a solution to separate base href of index.html and src for bundle.js, for development and production as both are different. For Development base href = localhost src = /bundle.js For Production base href = server url src = /dist/bundle.js To solve the above problem I am trying to use HtmlWebpackPlugin,
Download File automatically with browser that can be opened or read properly
Frontend will send a post request to Scala Play Framework API to download a file. The response header is like : My react js code is as below: It can be downloaded automatically but the file cannot be read. For example, if I download an image, the image cannot be rendered. If I download a zip file, it cannot be