Driftwatch

Square / Square API /

Breakingdirection flip: their tools call this safe

value can now return "COMPLETE"

What changed

Producer-side tools call this additive. It breaks exhaustive switches, strict parsers and generated client enums.

Affects this value on SubscriptionActionType reachable from 10 operations.

New value: COMPLETE.

can now return "COMPLETE"

Who is affected

Code that reads Square's SubscriptionActionType objects, used by 10 Square operations.

Before and after

WhereBeforeAfter
SubscriptionActionType"CANCEL", "CHANGE_BILLING_ANCHOR_DATE", "PAUSE", "RESUME", "SWAP_PLAN""CANCEL", "CHANGE_BILLING_ANCHOR_DATE", "COMPLETE", "PAUSE", "RESUME", "SWAP_PLAN"

Code that breaks

switch (response) {
  // existing branches …
  // no branch for "COMPLETE"
  default:
    throw new Error("unexpected value");
}

Based on Square’s published API specification. How severity is decided.