react-setup | optimize React for production via Webpack | Frontend Framework library
kandi X-RAY | react-setup Summary
kandi X-RAY | react-setup Summary
#Update This information is still relevant but, just use -> Create React App (get back to coding) it handles all of this for you. Do at least this. That's a 77 KB win -> because by default, React is in development mode. Facebook also recommends UglifyJS to completely remove the extra code present in development mode. #Note Check the Webpack 2 version here #What is this? I started this as an experiment to see how big React is for a production build via Webpack (without gzip etc...). React and React Dom are split out into a vendors.js file (standalone). Note this isn't a React Starter boilerplate. It's an experiment to test Webpack settings. #Tips / Ideas? Feel free to send a pull request or add to the dicussion using Issues i.e -> #Build npm run build (output to production dir). #What about GZIP sizes? Checkout (40.9 kB).
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QUESTION
- Framework: React
- Error type: result.map is not a function
I am following the book Road to learn React, I tried the below code with hacker news API it worked well but it is not working with this API. I don't know why I'm getting this error, please help.
Link to my sandbox --> https://codesandbox.io/s/react-setup-forked-q0hti?file=/src/App.js
...ANSWER
Answered 2020-Oct-02 at 15:47.map
is used on an array, your result
is not an array but an object. Try this:
QUESTION
onclick routing is going perfect but on refresh page not found error is coming. I am using react router 4.2 and webpack 3.8. when i am going to dashboard to about us component it is correctly routing but when we refresh that page there is coming an error can not get aboutus page. This is my webpack.config.js
...ANSWER
Answered 2017-Dec-07 at 08:15Use contentBase as '.' not './'. Then re-run start and dev command.
QUESTION
I'm new to React and I followed Facebook's Installation (Create a New App).
So every time I need to run the app, it needs to start a server. When I try to open the build version in chrome( opening HTML directly ), nothing gets displayed.
Then I tried to setup React environment myself from scratch using codecademy tutorial. Here, after I build the project, I can directly open the HTML in chrome and the contents are displayed.
My question is:
Why webpage doesn't get displayed in the 1st method but 2nd method runs without starting server?
Edit:
package.json for 2nd method:
...ANSWER
Answered 2017-Sep-21 at 11:21The problem is: path to the other files in the HTML.
When the webpack-dev-server
is run from the directory, it assumes it is the root of the server.
So, if you open your app's HTML(build/index.html
) created with Facebook tutorial, you can see that the path to other files are given as absolute path but not as a relative path.
Like in HTML you can see /static/pathToFile
but not ./static/pathToFile
.
So, according to your 2nd method, try to give the path to transformed.js
as /transformed.js
in your HTML. It doesn't display anything. But if you run npm run start
and then open your localhost with given port number(just like in the 1st method). Now you can see your React app.
Opinion: Always try to setup your environment by yourself from scratch. Don't try easy to setup methods like Facebook's "create new app". Instead try Facebook's "Adding React to an Existing Application". You can learn how things actually work, like today.
Tip:
Try to debug the app always in your web browser!
For example, open your 1st method HTML in your chrome and open developer tools.
Head over to the network tab and reload.
Hover-over the failed file to see what is the error. You can see ERR_FILE_NOT_FOUND
.
Click on it to see return status, url requested etc.
Hope it helps!
QUESTION
Found this tutorial (linked to last page) on codeacademy, decided to try this modern-way of deploying and configuring js apps (decided to try ReactJS
)
Step by step implemented it just like it was told, but I edened up with this error (when I try to build everything)
ERROR in Entry module not found: Error: Can't resolve 'C:\Users\temp1\Documents\Learn\ReactJS\playaroundapp\index.html' in 'C:\Users\temp1\Documents\Learn\ReactJS\playaround' resolve 'C:\Users\temp1\Documents\Learn\ReactJS\playaroundapp\index.html' in 'C:\Users\temp1\Documents\Learn\ReactJS\playaround' using description file: C:\Users\temp1\Documents\Learn\ReactJS\playaround\package.json (relative path: .) Field 'browser' doesn't contain a valid alias configuration after using description file: C:\Users\temp1\Documents\Learn\ReactJS\playaround\package.json (relative path: .) No description file found no extension Field 'browser' doesn't contain a valid alias configuration C:\Users\temp1\Documents\Learn\ReactJS\playaroundapp\index.html doesn't exist .js Field 'browser' doesn't contain a valid alias configuration C:\Users\temp1\Documents\Learn\ReactJS\playaroundapp\index.html.js doesn't exist .json Field 'browser' doesn't contain a valid alias configuration C:\Users\temp1\Documents\Learn\ReactJS\playaroundapp\index.html.json doesn't exist as directory C:\Users\temp1\Documents\Learn\ReactJS\playaroundapp\index.html doesn't exist
Mine webpack.config.js
:
ANSWER
Answered 2017-Jul-25 at 12:56Looks like the path concatenation misses a slash, try
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