Step-by-step guide on importing popper.js

While it may seem like a simple question, I am struggling to find the answer. How can I import popper.js that comes with Bootstrap 4 beta?

I am using Bower and have successfully installed Bootstrap 4 beta. However, in the bower_components folder, there is a popper.js directory with several sub-folders but no dist folder or popper.min.js file.

The Bootstrap 4 guide directs me to the CDN link: https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.11.0/umd/popper.min.js.

Is there a way to import popper.js without using the CDN? Where can I locate the popper.min.js file?

EDIT: Even after downloading a zip file from the popper.js website, I am still unable to find the necessary files that I thought would be included when downloaded from Bower.

javascriptbootstrap-4popper.js

Answer №1

I encountered a similar issue.

To resolve it, I acquired the 'popper.min.js' file directly from the bootstrap website's CDN.

You can find it here: https://cdnjs.cloudflare.com/ajax/libs/popper.js/2.4.4/cjs/popper.min.js

This method proved to be more convenient than compiling the entire project.

Crucial: Remember to include popper after jquery but prior to bootstrap in your setup.

Answer №2

Popper.js can be installed officially through npm, Yarn, or NuGet.

You can use one of the following commands:

npm i popper.js
yarn add popper.js
PM> Install-Package popper.js

Instructions for installation can be found in the library's readme file.

As for downloading the zip file, please note that it contains the source code of the library.

Edit:

Starting from version 1.12.0, Popper.js can also be installed as a Bower dependency.

This method of installation will only be supported for version 1.x and will be removed in 2.x.

It is recommended to transition your dependencies management to a modern system like npm or Yarn, as suggested by Bower as well.

Answer №3

Options for acquiring popper.js: Package, CDN, and Local file

The most suitable method will vary depending on whether you are working on a project with a package manager such as npm.

Using a Package Manager
If you utilize a package manager, acquire popper.js by running this command:

npm install popper.js --save

CDN Access
For testing or creating prototypes (e.g., using http://codepen.io) or if you simply need a URL to a CDN file:

https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.5/umd/popper.js https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.5/umd/popper.min.js

note: Versions under the umd path are required by Bootstrap 4 (more information on popper/bs4).

Local File

You can also save one of the CDN files to use locally. Simply paste one of these URLs into your browser, then Save As... in order to obtain a local copy.

https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.5/umd/popper.js https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.5/umd/popper.min.js

Answer №4

I encountered a similar issue and after trying various approaches, I found a solution that worked for me. Make sure to follow the instructions provided on http://getbootstrap.com/.

Ensure you copy the CDN paths of JavaScript libraries (Popper, jQuery, and Bootstrap) exactly as specified.

https://i.sstatic.net/EqNqm.png

<head>
//Include jQuery
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>

////Add Popper - needed for dropdowns in bootstrap
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.3/umd/popper.min.js" integrity="sha384-vFJXuSJphROIrBnz7yo7oB41mKfc8JzQZiCq4NCceLEaO4IHwicKwpJf9c9IpFgh" crossorigin="anonymous"></script>

//Bootstrap path
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.min.js" integrity="sha384-alpBpkh1PFOepccYVYDB4do5UnbKysX5WZXm3XxPqe5iKTfUKjNkCk9SaVuEZflJ" crossorigin="anonymous"></script>
</head>

Answer №5

I'm struggling to grasp why the JavaScript world insists on making things more complicated. Why not simply download and include in the HTML? Are we attempting to mimic Maven in Java for some reason? Yet, ultimately, we still have to manually include it in the HTML. So, what's the purpose of all this complexity? Perhaps someday it will make sense to me, but not now.

Here is my process:

  • Download and install NodeJs
  • Run "npm install popper.js --save"

  • Upon running this command, I receive the following message

    [email protected] added 1 package in 1.215s

  • Now, where is this "added package"? Quite cryptic, isn't it? It can be found in C:\Users\surasin\node_modules\popper.js\dist

Hopefully, this information proves useful.

Answer №6

make sure to include popper**.js** as a dependency instead of just popper: notice the distinction in bold.

use yarn add popper.js , rather than yarn add popper

this change is important for proper functionality.

also, remember to include the script based on your specific requirements:

whether it's included in html code or when using the library as a dependency in single-page applications like react or angular

Answer №7

When working with Bootstrap 4, it is essential to include Popper.js for tooltips. However, the decision to include an external Popper.js library in Bootstrap 4 can be confusing. This additional step may seem like it complicates the process of upgrading to the latest versions rather than simplifying it.

If you are using Angular or a simple HTML file, you can import Popper.js before Bootstrap as shown below:

npm install popper.js --save

Then, make sure to adjust the order in your .angular-cli.json file accordingly:

"scripts": [
        "../node_modules/jquery/dist/jquery.slim.min.js",
        "../node_modules/tether/dist/js/tether.min.js", 
        "../node_modules/popper.js/dist/umd/popper.js",              
        "../node_modules/bootstrap/dist/js/bootstrap.min.js"
      ],

Alternatively, you can directly call the Popper.js CDN into any of your projects:

https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.5/umd/popper.js https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.5/umd/popper.min.js

Answer №8

I removed all existing popper folders and proceeded with the following command:

npm install --save popper.js angular-popper

Answer №9

Start by adding propperJs to your project using yarn

yarn add popper.js

After that, you can easily import it into your code like so

import Popper from "popper.js";

Answer №10

Many users have discovered that Popper.js does not offer pre-compiled files on its GitHub page. This means individuals must either compile the project themselves or obtain pre-compiled files from content delivery networks (CDNs). Automatic importing is not supported for this library.

Answer №11

If you want to effortlessly download and import Bootstrap, as well as Popper, in one go, check out the convenient tool called Fetch Injection:

fetchInject([
  'https://npmcdn.com/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="25474a4a51565157445565110b150b15084449554d440b10">[email protected]</a>/dist/js/bootstrap.min.js',
  'https://cdn.jsdelivr.net/popper.js/1.0.0-beta.3/popper.min.js'
], fetchInject([
  'https://cdn.jsdelivr.net/jquery/3.1.1/jquery.slim.min.js',
  'https://npmcdn.com/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="b2c6d7c6dad7c0f2839c809c86">[email protected]</a>/dist/js/tether.min.js'
]));

Don't forget to include CSS files if necessary. Customize versions and external links based on your requirements and remember to implement sub-resource integrity checks for added security, especially if you are not hosting the files yourself or have doubts about the source.

Answer №12

To add popper.js to your project with a specific version, follow these steps:

bower install popper.js@^1.16.0

You will now be able to locate the dist folder and the popper.min.js file.

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