Files
purchases-ios/Sources/RulesEngine/CustomOperators
Antonio PallaresandCursor 2a59bec6e0 Add rc.length operator for strings and arrays (#7437)
* Add Scope plumbing and custom operator extension point

Thread evaluation scope through the rules engine and delegate unknown
operators to an empty CustomOperators dispatcher, without changing behavior.

Co-authored-by: Cursor <cursoragent@cursor.com>

* Fix project.pbxproj: restore RewardedAdTrackingMetadata entries

The RulesEngine registration edit accidentally dropped four
RewardedAdTrackingMetadata.swift entries from the Xcode project.
Restore them and normalize CustomOperators identifiers to 24 hex chars.

Co-authored-by: Cursor <cursoragent@cursor.com>

* Promote firstArgEvaluated to shared Operators helpers

Move the unary-arg helper from LogicOperators to Operators so custom
operators can use the same json-logic-js spread convention.

Co-authored-by: Cursor <cursoragent@cursor.com>

* Add rc.length operator for string and array lengths

UTF-16 code-unit count for strings (JS String.length parity), element
count for arrays, typeMismatch for other inputs. Thirteen new fixtures.

Co-authored-by: Cursor <cursoragent@cursor.com>

* Address review comments on custom operator extension point

Drop the cross-engine registration note from CustomOperators, and restore
the single-line var extra-args warning that was reflowed without changing
its text.

Co-authored-by: Cursor <cursoragent@cursor.com>

* Trim rc.length doc comment

Drop the rationale contrasting rc.length's throwing behavior with
rc.entries' lenient empty result.

Co-authored-by: Cursor <cursoragent@cursor.com>

* Pin that rc.length ignores extra arguments

The doc comment claimed extra args are silently ignored but no fixture
covered it. Under single-operand semantics ["abc", "ignored"] would
measure the arg list itself and yield 2, so the fixture fails if the
spread convention regresses.

Co-authored-by: Cursor <cursoragent@cursor.com>

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Co-authored-by: Cursor <cursoragent@cursor.com>
2026-08-20 07:10:49 +00:00
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