Postman delivers the assets of a webpage
| share/postman/examples/progressbar | ||
| src | ||
| .eslintrc.js | ||
| .gitignore | ||
| .projectile | ||
| LICENSE | ||
| package.json | ||
| README.md | ||
| tsconfig.json | ||
About
Postman delivers the assets of a web page.
The library is typically paired with a progress
bar that reports progress to the client.
Examples
Progress bar
The following example delivers fonts, scripts, images and stylesheets with the help of a progress bar. The progress bar is removed once the delivery is complete:
index.html
<!DOCTYPE html>
<html>
<head>
<title>Postman</title>
<script type="module" src="delivery.js"></script>
<style>
html, html body { height: 100%; }
main.postman {
height: 100%;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
}
main.postman progress {
max-width: 200px;
}
main.postman .percent {
font-family: courier;
font-size: smaller;
}
</style>
</head>
<body>
<main class="postman">
<label>
<progress id="progress" value="0" max="100"></progress>
</label>
</main>
</body>
</html>
delivery.js
import postman, { item } from "postman";
document.addEventListener("DOMContentLoaded", () => {
const postman = document.querySelector("main.postman");
const bar = postman.querySelector("progress");
const span = postman.querySelector(".percent");
const delivery = postman(
item.font("Kanit Regular", "url(/fonts/kanit-regular.ttf)"),
item.script("/js/app.js"),
item.image("/images/app.png"),
item.css("/css/app.css"),
item.progress((percent) => {
bar.value = percent;
bar.innerText = span.innerText = `${percent}%`;
})
).deliver();
delivery.then((package) => {
/* Add page assets */
package.fonts.forEach((font) => documents.fonts.add(font));
package.scripts.forEach((script) => document.body.appendChild(script));
package.css.forEach((css) => document.head.appendChild(css));
/* Replace loading screen */
postman.remove();
});
});
See also
- https://al-quran.reflectslight.io/
Delivers all of its assets with Postman