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Very slow to create an app / Size of created directory is huge #1243
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Are all of your students using npm >= 3? |
This is the size of the created folder but it is not the same as download size. It is about 19 MB for the latest version: Having done it just once, bandwidth usage for creating a next project is 300 kB thanks to the cache: So while it is frustrating, asking the students to do this before their first lesson would likely solve the issue. I understand 19 MB is not tiny, but compare this to the size of Xcode (5 GB). iOS courses seem to get by despite this. It is also 3 times less than Google Chrome (which presumably students also might need for good DevTools). In my opinion 19 MB is not too much for a whole compiler toolchain with a compiler, a linter, a development server, a test runner, and optimization tools. And you can indeed use CodePen if for one or another reason it is a limiting factor. But we are aware of the problem and want to make it better: #1239, #1235, #1190, #1183. We’d appreciate feedback and help on the actionable issues here, and we know CRA is far from perfect in this regard. I hope this helps and is not too disappointing! |
You can also use services like https://c9.io/ which work with Create React App and have reasonable install speeds in my experience. |
Thanks for the quick and full response, I will tell students to use npm version 3 and do it before the next course. Indeed, the issues that you linked to are very revelant and it would be great to see them fixed. |
can this be re-opened? On node 8.11.3, npm 5.6.0, Win7, it took 2332s Installing packages. This might take a couple of minutes.
Success! Created react-marionette-angular at [PATH]\react-marionette-angular It was much faster in npm 3.x, node 6.11.x win7 |
Can you reproduce the problem with latest npm?
Yes, with current npm version of 4.0.3
Description
It is very slow to create a new app, on a decent connection (~800kB/s). Approximately 5 minutes.
I am teaching a course about React in University, and wanted the students to use CRA for easily getting started, however, for 50% of the students, the install time was so slow (more than 30 minutes), that I told them to use codepen instead. I also tried by giving them a USB stick of the created base folder, but it took an enormous amount of time to unzip the folder on their windows machines (30minutes, for > 60000 files apparently).
The size of the created folder is of 114M, this seems extremely big, couldn't we find a way to make this smaller ?
Expected behavior
The install to be faster / the directory size to be smaller
Actual behavior
The install is slow / the directory size is too big
Environment
Run these commands in the project folder and fill in their results:
npm ls react-scripts
(if you haven’t ejected):node -v
: 4.7.0npm -v
: 4.0.3Operating system: Docker argon inside linux
Browser and version: NA
Reproducible Demo
You can use this Dockerfile for reproducing :
If they is no way to reduce the time of download and size of an app for now, do you have an idea of how I could give my students a way to have their base directory when I'm in linux, and they are on windows, without internet connection ?
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