Micro RequireJS v2.0
WARNING - THIS PROJECT IS NO LONGER MAINTAINED!!!
Extremely simple and light-weight (<1KB gzipped) asynchronous resource (JavaScript and CSS) loader
If you need support of legacy (like ancient) browsers, go with micro-requirejs v1.x
How to use
<!DOCTYPE html>
<html>
<body>
...
<script src="./rjs.js"></script>
<script type="text/javascript">
rjs([
"https://code.jquery.com/jquery-3.3.1.slim.min.js",
"https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css"
])
.then(() => {
console.log( "jQuery available, Bootstrap CSS available." );
return rjs("https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js")
.then(() => {
console.log( "Bootstrap JS available." );
});
})
.catch(( err ) => {
console.error( "Something went wrong", err );
});
</script>
</body>
</html>Async function style
async function main() {
try {
await rjs([
"https://code.jquery.com/jquery-3.3.1.slim.min.js",
"https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css"
]);
await rjs( "https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js" );
console.log( "jQuery and Bootstrap loaded" );
} catch ( err ) {
console.error( err );
}
}
main();Injecting extra attributes
// Single source
await rjs( "https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js", {
integrity: "sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy",
crossorigin: "anonymous"
});
// Multiple sources
await rjs([
["https://code.jquery.com/jquery-3.3.1.slim.min.js", {
integrity: "sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo",
crossorigin: "anonymous"
}],
"https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css"
]); You can run tests like that:
npm test