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image-loader-spinner

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image-loader-spinner

Use a spinner until your images are completely loaded in the DOM

1.2.5
latest
Source
npm
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26
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Maintainers
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image-loader-spinner

NPM version Downloads
Use a spinner until your images are completely loaded in the DOM

Installation

npm i image-loader-spinner

Example output

image

Usage

import ImageLoader from 'image-loader-spinner';

// first argument is an default image src error (default is null)
// second argument is the default size of loading container in pixel (default is 100)
ImageLoader('assets/images/errorLoad.png', 150);

<!DOCTYPE HTML>
<html>
    <head>
        <meta charset="utf-8">
        <title>My test page</title>
    </head>

    <body>
        <style>
            .spinner_container {
                display: flex;
                align-items: center;
                background-color: rgba(0, 0, 0, 0.05);
            }
            
            .spinner {
                border: 3px solid #333;
                border-bottom-color: transparent;
                border-radius: 50%;
                display: inline-block;
                box-sizing: border-box;
                animation: rotation 1s linear infinite;
                margin: auto
            }

            @keyframes rotation {
                0% {
                    transform: rotate(0deg);
                }

                100% {
                    transform: rotate(360deg);
                }
            }
        </style>

        <img src="assets/images/image.png" spinner="true" fadein="true"/> <!-- Show spinner container with defaultSize and fadeIn animation -->

        <img src="assets/images/image.png" spinner="true" size="150px" /> <!-- Show spinner container with widthSize 150px, heightSize 150px -->

        <div class="insideDiv">
            <img src="assets/images/image.png" spinner="true" wsize="50%" hsize="200px" /> <!-- Show spinner container with widthSize 50px, heightSize 200px -->
        </div>
    </body>
</html>

Add the attribute spinner to true for set the loading spinner instead an empty image.
The attribute size is the size of your spinner_container (by default is set to 100 or your default value configuration).
The attribute wsize is the width size of your spinner_container
The attribute hsize is the height size of your spinner_container
The attribute fadein will display your image with fadeIn animation to your opacity value (20fps)
Values can be set to pixels, percentages, and viewports.

The spinner will be half the size of your container.
Your spinner will be display as :

<div class="spinner_container">
    <div class="spinner"></div>
</div>

The module detect the DOM inserted images and updated images, and actualise spinners while loading.

Test Delay

import ImageLoader from 'image-loader-spinner';
ImageLoader();

const image = new Image();
image.setAttribute("spinner", "true");
image.setAttribute("hsize", "200")
image.setAttribute("wsize", "100%")
setTimeout(() => {
	image.src = "https://i.imgur.com/rsjPao4.gif";
}, 5000)
document.body.appendChild(image);

Reload image src dynamically

import ImageLoader from 'image-loader-spinner';
ImageLoader();

setTimeout(() => {
    const image = document.getElementById("myImage");
    image.setAttribute("spinner", "true");
    // image.setAttribute("size", "100"); // redefine size of the loader container
    image.src = "https://i.imgur.com/rsjPao4.gif";
}, 5000);

Keywords

image
loader
spinner
wait
dom
loading

FAQs

Package last updated on 12 Feb 2024

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