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feat(clerk-js, types): Update billing resources with trial properties #6492

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@panteliselef panteliselef commented Aug 8, 2025

Description

Checklist

  • pnpm test runs as expected.
  • pnpm build runs as expected.
  • (If applicable) JSDoc comments have been added or updated for any package exports
  • (If applicable) Documentation has been updated

Type of change

  • 🐛 Bug fix
  • 🌟 New feature
  • 🔨 Breaking change
  • 📖 Refactoring / dependency upgrade / documentation
  • other:

Summary by CodeRabbit

  • New Features

    • Added display of trial eligibility and trial status on billing resources (shows if a subscription is eligible for a free trial and if an item is a free trial). These billing fields are marked experimental — consider pinning SDK versions.
  • Chores

    • Published a changeset and updated package versions to include the new billing properties.

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changeset-bot bot commented Aug 8, 2025

🦋 Changeset detected

Latest commit: 50801c5

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 22 packages
Name Type
@clerk/clerk-js Minor
@clerk/types Minor
@clerk/chrome-extension Patch
@clerk/clerk-expo Patch
@clerk/agent-toolkit Patch
@clerk/astro Patch
@clerk/backend Patch
@clerk/elements Patch
@clerk/expo-passkeys Patch
@clerk/express Patch
@clerk/fastify Patch
@clerk/localizations Patch
@clerk/nextjs Patch
@clerk/nuxt Patch
@clerk/react-router Patch
@clerk/clerk-react Patch
@clerk/remix Patch
@clerk/shared Patch
@clerk/tanstack-react-start Patch
@clerk/testing Patch
@clerk/themes Patch
@clerk/vue Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

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clerk-js-sandbox Ready Preview Comment Aug 12, 2025 3:36pm

@panteliselef panteliselef marked this pull request as ready for review August 8, 2025 18:06
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commit: 50801c5

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coderabbitai bot commented Aug 8, 2025

📝 Walkthrough

Walkthrough

Adds trial-related boolean fields to commerce subscription models and types. In packages/clerk-js, CommerceSubscription gains optional eligibleForFreeTrial and CommerceSubscriptionItem gains isFreeTrial, populated from JSON. In packages/types and packages/types/src/json.ts, corresponding resource and JSON interfaces add eligible_for_free_trial/eligibleForFreeTrial (optional) and is_free_trial/isFreeTrial (required on item JSON, required on item resource). A new changeset file was added to bump package versions and note billing resource updates.

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📒 Files selected for processing (3)
  • packages/clerk-js/src/core/resources/CommerceSubscription.ts (4 hunks)
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🚧 Files skipped from review as they are similar to previous changes (3)
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  • packages/types/src/commerce.ts

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Actionable comments posted: 2

🧹 Nitpick comments (5)
packages/types/src/json.ts (1)

813-814: Add brief field-level JSDoc to clarify semantics of eligibility.

Consider documenting when eligible_for_free_trial is true (e.g., org/user has never consumed trial for this product/plan) and whether it can be undefined vs false. This helps integrators reason about UI state.

.changeset/sour-lemons-talk.md (1)

1-6: Be explicit in the changeset about new fields and scope.

Consider naming the fields and affected resources for clearer release notes, e.g.:

-Update billing resources with trial properties.
+Billing (experimental): add trial properties
+
+- `CommerceSubscriptionItem`: `isFreeTrial` (JSON: `is_free_trial`)
+- `CommerceSubscription`: `eligibleForFreeTrial?` (JSON: `eligible_for_free_trial?`)
+
+These power trial-state UI and logic; map from snake_case JSON to camelCase resource props.
packages/types/src/commerce.ts (2)

1109-1117: Clarify semantics of isFreeTrial and ensure runtime always provides a boolean.

Docs are currently generic. Add a one-liner like “True when this item is currently in a free trial period.” Also ensure deserialization defaults to false if the field is missing to honor the required type.

If you keep it required here (preferred), the runtime mapping should use data.is_free_trial ?? false.


1228-1236: Clarify semantics of eligibleForFreeTrial?.

Add a brief note: e.g., “Indicates whether the payer (org/user) is eligible to start a free trial on a plan. May be undefined when unknown/not applicable.” This disambiguates undefined vs false for consumers.

packages/clerk-js/src/core/resources/CommerceSubscription.ts (1)

30-31: Property addition LGTM; consider adding concise JSDoc on runtime props.

eligibleForFreeTrial is optional by design. Add a short JSDoc to mirror the types package and clarify when it’s undefined vs false for consumers.

Also applies to: 55-56

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  • packages/types/src/json.ts (2 hunks)
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Files:

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Comment on lines +783 to 784
is_free_trial: boolean;
}
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💡 Verification agent

🧩 Analysis chain

Required JSON field may break backward-compat; ensure safe runtime default.

is_free_trial is required here. If older API responses omit it, runtime code will assign undefined over the initial default. Prefer keeping it required only if the backend guarantees presence across all records. Otherwise either:

  • keep it required but default safely during deserialization, or
  • make it optional in the JSON type.

Follow-up fix (in runtime mapping) to preserve a safe default:

Apply in packages/clerk-js/src/core/resources/CommerceSubscription.ts:

-    this.isFreeTrial = data.is_free_trial;
+    this.isFreeTrial = data.is_free_trial ?? false;

🏁 Script executed:

#!/bin/bash
# Locate CommerceSubscription.ts
echo "CommerceSubscription.ts files:"
rg -l "CommerceSubscription" -g "*.ts"

# Inspect JSON mapping references in clerk-js
echo -e "\nMapping of is_free_trial in clerk-js runtime:"
rg -n "is_free_trial" -C2 packages/clerk-js/src

echo -e "\nAssignment to isFreeTrial in clerk-js runtime:"
rg -n "isFreeTrial" -C2 packages/clerk-js/src

Length of output: 2519


Ensure safe default for isFreeTrial when deserializing JSON

To prevent legacy responses from clearing the default, update the runtime mapping in packages/clerk-js/src/core/resources/CommerceSubscription.ts:

  • At line 110 (inside the constructor), change
    - this.isFreeTrial = data.is_free_trial;
    + this.isFreeTrial = data.is_free_trial ?? false;

Optional: if the backend cannot guarantee is_free_trial is always present, also update the JSON type in packages/types/src/json.ts:

- interface CommerceSubscriptionItemJSON {
-   is_free_trial: boolean;
+ interface CommerceSubscriptionItemJSON {
+   /** Indicates whether this subscription item started with a free trial */
+   is_free_trial?: boolean;

This preserves backward compatibility while clarifying the field’s semantics.

Committable suggestion skipped: line range outside the PR's diff.

🤖 Prompt for AI Agents
In packages/types/src/json.ts at lines 783-784, ensure the isFreeTrial field has
a safe default when deserializing JSON by updating the runtime mapping in
packages/clerk-js/src/core/resources/CommerceSubscription.ts around line 110
inside the constructor. Modify the mapping to provide a default value for
is_free_trial if it is missing, and optionally update the JSON type definition
here to reflect that is_free_trial may be optional or have a default, preserving
backward compatibility and clarifying the field's semantics.

@panteliselef panteliselef self-assigned this Aug 8, 2025
…esources-for-free-trials

# Conflicts:
#	packages/clerk-js/bundlewatch.config.json
@panteliselef panteliselef merged commit ae2e2d6 into main Aug 12, 2025
37 checks passed
@panteliselef panteliselef deleted the elef/com-1131-update-clerk-js-subscription-resources-for-free-trials branch August 12, 2025 15:49
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