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Settings up postcss to use VH fix

I'm attempting to use PostCSS to fix the problem where 100vh doesn't account for the browser/navigation bar on mobile devices.

https://github.com/Faisal-Manzer/postcss-viewport-height-correction

The problem is, I have no idea how to set it up and the instructions assume I know how. I have very little experience with JavaScript and don't use any frameworks or know how to, I just do everything in VS Code with no plugins.

I installed the PostCSS extension in VS Code but am unsure what to do next.

The installation says:

"And then add this javascript to public/index.html (for React), or add to template.html (for Preact)."

I don't use React (I don't think?), so what do I do instead?

Then it says:

"Check you project for existed PostCSS config: postcss.config.js in the project root, "postcss" section in package.json or postcss in bundle config.

If you already use PostCSS, add the plugin to plugins list:"

Would postcss.config.js be in my root folder? Am I supposed to create this file?

It then says to do this:

module.exports = {
  plugins: [
+   require('postcss-viewport-height-correction'),
    require('autoprefixer')
  ]
}

I added that to my .js file (Or does it go in the css file?), and am getting an error "module is not defined."

Could someone walk me through this as if I had no idea what I'm doing and have only been using JavaScript and VS Code for a week? Because that's where I'm at.

I'm on Windows if that makes a difference.

Part of the instructions say to do:

npm install --save postcss-viewport-height-correction

I don't know where to enter this command. I've come across similar instructions several times, and looking up "How to do npm install" doesn't produce any results. I've largely been avoiding using frameworks and extensions and plugins with JavaScript because I can never figure out how to use them, and every guide I can find assumes I already know what it all means.

Via Active questions tagged javascript - Stack Overflow https://ift.tt/2FdjaAW
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