@capraconsulting/webapp-deploy-lambda
Version:
CDK construct for deploying a webapp release to S3 and CloudFront
64 lines • 7.75 kB
JavaScript
import * as s3Assets from "aws-cdk-lib/aws-s3-assets";
/**
* Specifies bucket deployment source.
*
* Usage:
*
* Source.bucket(bucket, key)
* Source.asset('/local/path/to/directory')
* Source.asset('/local/path/to/a/file.zip')
*
*/
export class Source {
/**
* Uses a .zip file stored in an S3 bucket as the source for the destination bucket contents.
* @param bucket The S3 Bucket
* @param zipObjectKey The S3 object key of the zip file with contents
*/
static bucket(bucket, zipObjectKey) {
return {
bind: (_, context) => {
if (!context) {
throw new Error("To use a Source.bucket(), context must be provided");
}
if (context.handlerRole) {
bucket.grantRead(context.handlerRole);
}
return { bucket, zipObjectKey };
},
};
}
/**
* Uses a local asset as the deployment source.
* @param path The path to a local .zip file or a directory
*/
static asset(path, options) {
return {
bind(scope, context) {
if (!context) {
throw new Error("To use a Source.asset(), context must be provided");
}
let id = 1;
while (scope.node.tryFindChild(`Asset${id}`)) {
id++;
}
const asset = new s3Assets.Asset(scope, `Asset${id}`, {
path,
...options,
});
if (!asset.isZipArchive) {
throw new Error("Asset path must be either a .zip file or a directory");
}
if (context.handlerRole) {
asset.grantRead(context.handlerRole);
}
return {
bucket: asset.bucket,
zipObjectKey: asset.s3ObjectKey,
};
},
};
}
constructor() { }
}
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