@datagraphics/delivery
is a way to push and pull assets to and from S3 the Data Graphics way!
@datagraphics/delivery
is available via npm
.
npm install -D @datagraphics/delivery
Extends EventEmitter
The base class for @datagraphics/delivery. Create an instance of Delivery to set an interface with S3.
options
{bucket: string, basePath: string?, useAccelerateEndpoint: boolean?, shouldBeCached: function (path: string): boolean?}options.bucket
The bucket on S3 to interact withoptions.basePath
A pre-defined base path for all interactions with S3. Useful for establishing the slug or prefix of an upload. (optional, default''
)options.useAccelerateEndpoint
If true, use the Accelerate endpoint (optional, defaultfalse
)options.shouldBeCached
A function used to determine whether a file should receive long-lived cache headers. (optional, defaultdefaultShouldBeCached
)
const delivery = new Delivery({
bucket: 'apps.thebignews.com',
basePath: 'our-great-project',
});
Uploads a single file to S3.
file
string The path to the file to uploadpath
string Where to upload the file relative to the base pathoptions
{isPublic: boolean?, shouldCache: boolean?, cacheControlOverride: string?} (optional, default{}
)options.isPublic
Whether a file should be made public or not on upload (optional, defaultfalse
)options.shouldCache
Whether a file should have cache headers applied (optional, defaultfalse
)options.cacheControlOverride
A custom Cache-Control value that will override the built-in lookup if shouldCache is true
const result = await delivery.uploadFile(
'./data/counties.json', // path to the file on local drive
'counties.json', // the key to give the file in S3, combined with `basePath`
{
isPublic: true,
}
);
Returns Promise<UploadOutput>
Upload a directory of files to S3.
dir
string The directory to upload to S3options
{prefix: string?, isPublic: boolean?, shouldCache: boolean?, cacheControlOverride: string?} (optional, default{}
)options.prefix
The prefix to add to the uploaded file's path (optional, default''
)options.isPublic
Whether all files uploaded should be made public (optional, defaultfalse
)options.shouldCache
Whether all files uploaded should get cache headers (optional, defaultfalse
)options.cacheControlOverride
A custom Cache-Control value that will override the built-in lookup if shouldCache is true
const result = await delivery.uploadFiles(
'./dist/', // path to the directory on local drive to upload
{
isPublic: true,
prefix: 'output', // the key prefix to combine with `basePath`
}
);
Downloads a file from S3 to the local disk.
path
string The path to the file to downloaddest
string Where to put the file on the local diskoptions
{s3ETag: string?} (optional, default{}
)options.s3ETag
If the ETag from S3 is already known, it can be provided here
const result = await delivery.downloadFile(
'output/data.json', // key of file on S3 to download
'./downloaded/data.json', // where to download the file to the local drive
);
Downloads multiple files from a prefix on S3.
prefix
string The prefix to the directory on S3 to download fromdir
string Where to put all the files on the local disk
const result = await delivery.downloadFiles(
'production', // the key of the directory on S3 to download from
'./downloaded/', // where to download the files to the local drive
);
These represent the output objects from Delivery's commands.
What downloadFile and downloadFiles returns.
The file's path on S3.
Type: string
Whether the file was identical on S3 or locally and was skipped.
Type: boolean
What uploadFile and uploadFiles returns.
The file's ETag.
Type: string
The file's path on S3.
Type: string
Whether the file was identical on S3 or locally and was skipped.
Type: boolean
This file was made public on upload.
Type: boolean
The size of the uploaded file in bytes.
Type: number
Type: UploadOutput
MIT