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react-preload-link

1.0.0 • Public • Published

react-preload-link

npm version npm downloads

A superversion of React Router's Link component that preloads your data before navigating. Built with and for React.

Demo

Live demo: https://sandervspl.github.io/react-preload-link/

Installation

NPM

npm install --save react-preload-link

YARN

yarn add react-preload-link

Usage

import PreloadLink from 'react-preload-link';
 
const PreloadExample = () => {
    const loadProfile = () => {
        return fetch('https://someapi.com/api/v1/user/me')
            .then(result => doSomething(result));
    };
    
    const loadFriends = () => {
        return fetch('https://someapi.com/api/v1/user/1/friends')
            .then(result => doSomething(result));
    }
    
    return (
        <div>
            <PreloadLink to="profile" load={loadProfile}>
                View profile
            </PreloadLink>
            
            <PreloadLink to="friends" load={[loadProfile, loadFriends]}>
                View friends
            </PreloadLink>
        </div>
    );
};

Props

PreloadLinkProps {
    tostring,
    load?: () => Promise<any> | Array<() => Promise<any>>,
    onLoading?: (defaultHook: () => void) => any,
    onSuccess?: (defaultHook: () => void) => any,
    onFail?: (defaultHook: () => void) => any,
    onNavigate?: (defaultHook: () => void) => any,
    loadMiddleware?: (data: any) => any,
    noInterrupt?: boolean,
    className?: string,
    navLink?: boolean,
    activeClassName?: string,
    onClick?: () => any,
}

to (Required)

string

The URL to which the app will navigate to. If load is used, it will navigate after the load function(s) resolve. The only required prop.

load

() => Promise<any> | Array<() => Promise<any>>

Promise that will be resolved before navigating to the URL provided by to. This can be a single function or multiple in an Array. Must be a function that returns a Promise! It will wait for everything to resolve before navigating.

Note: If you see an error that says "Can not read then of undefined" then one of your passed functions does not return a Promise.

onLoading, onSuccess, onFail, onNavigate

(defaultHook: () => void) => void

Overriding the default hooks, set with configure, can be done with these props. The default hook is passed as a parameter.

loadMiddleware

(data: any) => void

Will fire for each of your resolved Promises. The resolved data is passed as a parameter.

Note: This will fire multiple times if you pass an Array to load.

noInterrupt

boolean | Default false

PreloadLinks with this prop can not have their load be interrupted by any other PreloadLink.

className

string

The CSS class to be set on the <a> element.

navLink

boolean | Default false

Use React-Router's NavLink instead of Link. This will give it the same benefits as the regular NavLink.

activeClassName

string

CSS class to be set on the <a> element when its route is active.

onClick

() => void

For any methods that should be fired instantly on click. Use this for methods that are not async.

Note: will not fire if another PreloadLink process is busy and this process is not interruptible. This happens when a noInterrupt PreloadLink was clicked.

Configuring lifecycle hooks

You can create hooks for the various lifecycle methods of PreloadLink. These functions will only be called if a load prop is passed to the component. These functions will only be called once, even if you pass an array to load. It's recommended to only use configure once, like at the entry of your app.

Example

You can hook up a global loader with these hooks very easily. Here is an example on how to use NProgress together with PreloadLink.

import { configure } from 'react-preload-link';
import NProgress from 'nprogress';
 
configure({
    onLoading: NProgress.start,
    onFail: NProgress.done,
    onSuccess: NProgress.done,
)};

Type

PreloadLinkConfigOptions {
    onLoading?: () => any;
    onSuccess?: () => any;
    onFail?: () => any;
    onNavigate?: () => any;
}

onLoading

() => any

Fires once when the load process has started. Only fires when load prop has been used.

onSuccess

() => any

Fires once when the all Promises have been resolved. Success is fired before navigation. Only fires when load prop has been used.

onFail

() => any

Fires once when one of the Promised from load fails or rejects. Only fires when load prop has been used.

onNavigate

() => any

Fires once after navigation. Always fires.

install

npm i react-preload-link

Downloadsweekly downloads

7

version

1.0.0

license

MIT

homepage

github.com

repository

Gitgithub

last publish

collaborators

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