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instant-load v1.1.1

A JavaScript library to speed up your site

InstantLoad

InstantLoadJS is a JavaScript library to speed up your site.

How does it work?

InstantLoad makes your website a one-page website by preloading the next page on your website when hovering a link. When the user clicks the link, the already loaded page replaces the current one with an instant transition. In addition InstantLoadJS offers seamless loading animations to make your website look even more modern.

Install

CDN:

https://unpkg.com/instant-load@1.1.1/instantload.min.js

NPM:

npm i instant-load

Initialize

Place the InstantLoad script on the bottom of your webpage, before any other scripts, like this:

<script src="/path/to/instantload.min.js" instantload-blacklist></script>

After adding the instantload.min.js script to your site, you'll need to initialize the library by adding this script after it:

<script instantload-blacklist>InstantLoad.init();</script>

It's important to keep the instantload-blacklist attribute on the scripts above.

Configure

InstantLoad offers high level customizations via it's config. You can pass your settings through the InstantLoad.init() function, like this:

InstantLoad.init({reloadPagesOnPopstate: false, loadingStyle: InstantLoad.configOptions.loadingStyles.circle});

Full list of config options

Config property nameTypeDescription
reloadPagesOnPopstatebooleanIf true, on pressing the back/forward button, the target page will be reloaded.
Default: false
loadingStyleInstantLoad.configOptions.loadingStylesCustomize the loading transition.
Possible values:
- bar
- blink
- circle
- invisible
Default: bar

More coming soon...

API

The InstantLoad object returns some useful values. Let's take a look at them!

InstantLoad.init()

This will initialize the InstantLoad script and start speeding up you site

InstantLoad.config()

This will return the current config for the library. You can also use it to change the config, after initializing InstantLoad.

InstantLoad.on('eventType', callback)

Used to add your own events to InstantLoad. More belove

InstantLoad.history

This will return the history of your site, after initializing the library.

InstantLoad.configOptions

This stores the options for different config elements

InstantLoad.isRunning

Check if InstantLoad had been initialized

Blacklisting scripts

If you don't want your scripts to get re-inserted and re-initialized, you will find the instantload-blacklist attribute really useful. Add it to your scripts to blacklist it from InstantLoad, like this:

<script src="/path/to/my/script.js" instantload-blacklist></script>

Event Handling

InstantLoad has it's own events, and you can listen to them like this:

InstantLoad.on('change', function(event) {console.log('Page changed', event)});

Event types

Event typeReturn valuesDescription
initeventType: init
trackedElements: All preloadable elements
Occurs after the initialization of InstantLoad
preloadeventType: preloadOccurs before preloading a page, when hovering a link
postloadeventType: postload
success: Whether the request was successful
message: Request message
Occurs after preloading a page, when hovering a link
changeeventType: change
popstateEvent: Whether the change was triggered by the back/forward arrows or not
Occurs after changing the page

Customize the loading styles

You can configure the different loading styles via CSS. You can find the CSS selectors to use above.

SelectorElement
#instantload-barThe loading line of the bar styled loading
#instantload-whiteScreenThe blink styled loading's layer
#instantload-circleThe circle styled spinner loading's container
#instantload-circle-spinnerThe circle styled loading's spinner

Why did I make this library?

I was working on a project of mine, and I wanted to use the well-known instantclick.io library, but I realized, that while it is great and very much useful, it lacks some customizations I'd like to use and it is a bit buggy.

So I sat down and wrote my own version of it.

Hope you like it :) Thank you for the inspiration instantclick

Contributions

You are more than welcome contributing to the library.

Make sure to do npm install, after cloning the repository to install UglifyJs as a devDependency. Use this command to minify:

uglifyjs instantload.js --output instantload.min.js --mangle --source-map

Please make a pull request if you have implemented something new

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