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feat(s3): add missing storage classes and API cleanups #2834

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do not emit empty arrays
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Elad Ben-Israel committed Jun 13, 2019
commit f4b50173fbb8949e2e6cf5c204c17c931f167127
12 changes: 10 additions & 2 deletions packages/@aws-cdk/aws-s3/lib/bucket.ts
Original file line number Diff line number Diff line change
Expand Up @@ -1067,13 +1067,13 @@ export class Bucket extends BucketBase {
expirationInDays: rule.expirationInDays,
id: rule.id,
noncurrentVersionExpirationInDays: rule.noncurrentVersionExpirationInDays,
noncurrentVersionTransitions: (rule.noncurrentVersionTransitions || []).map(t => ({
noncurrentVersionTransitions: mapOrUndefined(rule.noncurrentVersionTransitions, t => ({
storageClass: t.storageClass.value,
transitionInDays: t.transitionInDays
})),
prefix: rule.prefix,
status: enabled ? 'Enabled' : 'Disabled',
transitions: (rule.transitions || []).map(t => ({
transitions: mapOrUndefined(rule.transitions, t => ({
storageClass: t.storageClass.value,
transitionDate: t.transitionDate,
transitionInDays: t.transitionInDays
Expand Down Expand Up @@ -1287,3 +1287,11 @@ export interface OnCloudTrailBucketEventOptions extends events.OnEventOptions {
*/
readonly paths?: string[];
}

function mapOrUndefined<T, U>(list: T[] | undefined, callback: (element: T) => U): U[] | undefined {
if (!list || list.length === 0) {
return undefined;
}

return list.map(callback);
}