RevenueCat/purchases-js
Jan 2025 – Jun 2025
6 Months active
Languages Used
TypeScriptCSSHTMLJavaScriptShellSvelteBashMarkdown
Technical Skills
DebuggingRefactoringTestingAPI IntegrationBackend IntegrationCI/CD Configuration
Pol Miro
PROFILE
Pol Miro
Pol Miros built and enhanced purchase and checkout flows for the RevenueCat/purchases-js repository, focusing on analytics reliability, tax calculation, and user experience. He modularized pricing components using Svelte and TypeScript, integrated Stripe for payments, and applied Atomic Design principles to reorganize UI architecture. His work included implementing event tracking for purchase flows, refining error handling, and improving test infrastructure with Playwright and CI/CD pipelines. By updating Storybook tooling and expanding test coverage, Pol ensured maintainable, scalable components and robust analytics. These efforts resulted in smoother checkout experiences, clearer tax handling, and more reliable data for business and engineering teams.
Overall Statistics
Feature vs Bugs
75%Features
Repository Contributions
54Total
Bugs
6
Commits
54
Features
18
Lines of code
23,075
Activity Months6
Work History
June 2025
3 Commits • 1 Features
Jun 1, 2025June 2025 — RevenueCat/purchases-js: Key analytics reliability improvements, test data integrity, and UX clarity. Delivered fixes and updates that reduce premature event signaling, improve sandbox analytics data quality, and enhance user understanding of tax implications. Key changes include (1) delaying CheckoutPaymentFormImpression until Stripe loads, (2) ensuring tax_inclusive is present in analytics fixtures for sandbox projects, and (3) updating the trial footer text to accurately reflect applicable taxes.
3 Commits • 1 Features
Jun 1, 2025June 2025 — RevenueCat/purchases-js: Key analytics reliability improvements, test data integrity, and UX clarity. Delivered fixes and updates that reduce premature event signaling, improve sandbox analytics data quality, and enhance user understanding of tax implications. Key changes include (1) delaying CheckoutPaymentFormImpression until Stripe loads, (2) ensuring tax_inclusive is present in analytics fixtures for sandbox projects, and (3) updating the trial footer text to accurately reflect applicable taxes.
June 2025
May 2025
14 Commits • 2 Features
May 1, 2025May 2025 performance summary for RevenueCat/purchases-js: Two major feature deliveries focused on checkout UX and tax processing, underpinned by expanded analytics, better error handling, and stronger test coverage. The work delivered measurable business value through smoother purchase flow, clearer error feedback, and improved observability for finance-related flows.
May 2025
14 Commits • 2 Features
May 1, 2025May 2025 performance summary for RevenueCat/purchases-js: Two major feature deliveries focused on checkout UX and tax processing, underpinned by expanded analytics, better error handling, and stronger test coverage. The work delivered measurable business value through smoother purchase flow, clearer error feedback, and improved observability for finance-related flows.
April 2025
12 Commits • 7 Features
Apr 1, 2025April 2025 Highlights: shipped major UX and checkout enhancements for RevenueCat/purchases-js, focused on business value, reliability, and maintainability. Key outcomes include branding updates, pricing UI polish with loading states and tax refinements, checkout flow simplification with in-flow email capture via Stripe Link Authentication, wallet payments integration in PayButton, and a typography system with UI polish. Strengthened Storybook and test infrastructure to reduce risk and improve collaboration across design, engineering, and QA.
12 Commits • 7 Features
Apr 1, 2025April 2025 Highlights: shipped major UX and checkout enhancements for RevenueCat/purchases-js, focused on business value, reliability, and maintainability. Key outcomes include branding updates, pricing UI polish with loading states and tax refinements, checkout flow simplification with in-flow email capture via Stripe Link Authentication, wallet payments integration in PayButton, and a typography system with UI polish. Strengthened Storybook and test infrastructure to reduce risk and improve collaboration across design, engineering, and QA.
April 2025
March 2025
23 Commits • 6 Features
Mar 1, 2025March 2025 summary for RevenueCat/purchases-js: Delivered Storybook/UI tooling enhancements (globals, pseudo-states, date freezing, Chromatic diff threshold), modularized pricing components with Stripe elements, and a thorough Atomic Design-based reorganization. Added PricingDropdown, PricingTable, and ProductInfoWithTaxSupport, plus Purchases UI refactor. Implemented targeted fixes to improve correctness and reliability: translations corrected for price_after_free_trial and translation variables, app user ID validation on change, non-subscription description fixes, and test fixture stability. Also addressed UI/page hygiene by stripping query parameters from pageUrl. These changes boost UI consistency, checkout reliability, and developer velocity across pricing flows and subscription experiences.
March 2025
23 Commits • 6 Features
Mar 1, 2025March 2025 summary for RevenueCat/purchases-js: Delivered Storybook/UI tooling enhancements (globals, pseudo-states, date freezing, Chromatic diff threshold), modularized pricing components with Stripe elements, and a thorough Atomic Design-based reorganization. Added PricingDropdown, PricingTable, and ProductInfoWithTaxSupport, plus Purchases UI refactor. Implemented targeted fixes to improve correctness and reliability: translations corrected for price_after_free_trial and translation variables, app user ID validation on change, non-subscription description fixes, and test fixture stability. Also addressed UI/page hygiene by stripping query parameters from pageUrl. These changes boost UI consistency, checkout reliability, and developer velocity across pricing flows and subscription experiences.
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for RevenueCat/purchases-js: Delivered a comprehensive Purchase Flow Event Tracking System that instruments the SDK initialization and the entire checkout flow. Implemented an internal event tracking function and updated environment variables and test configurations to support the new tracking infrastructure. This improves observability, analytics accuracy, and faster debugging for purchase flows across environments. No major bugs fixed this month; the work focused on feature delivery and infrastructure improvements with potential minor cleanups. Demonstrates strong capabilities in instrumentation, environment/config management, and JS/SDK integration, providing business value through data-driven insights and reliability.
1 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for RevenueCat/purchases-js: Delivered a comprehensive Purchase Flow Event Tracking System that instruments the SDK initialization and the entire checkout flow. Implemented an internal event tracking function and updated environment variables and test configurations to support the new tracking infrastructure. This improves observability, analytics accuracy, and faster debugging for purchase flows across environments. No major bugs fixed this month; the work focused on feature delivery and infrastructure improvements with potential minor cleanups. Demonstrates strong capabilities in instrumentation, environment/config management, and JS/SDK integration, providing business value through data-driven insights and reliability.
February 2025
January 2025
1 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for RevenueCat/purchases-js: Focused on test infrastructure cleanup to reduce log noise and simplify test configurations, boosting test reliability and CI feedback loops. Delivered measurable improvements in test maintainability without impacting production code.
January 2025
1 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for RevenueCat/purchases-js: Focused on test infrastructure cleanup to reduce log noise and simplify test configurations, boosting test reliability and CI feedback loops. Delivered measurable improvements in test maintainability without impacting production code.
Activity
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Quality Metrics
Correctness89.6%
Maintainability88.4%
Architecture84.6%
Performance82.0%
AI Usage21.0%
Skills & Technologies
Programming Languages
BashCSSHTMLJavaScriptMarkdownSVGShellSvelteTypeScriptYAML
Technical Skills
API IntegrationAPI Integration TestingAtomic DesignBackend DevelopmentBackend IntegrationCI/CDCI/CD ConfigurationCSSCheckout FlowCode OrganizationComponent ArchitectureComponent DesignComponent DevelopmentComponent OrganizationComponent Storytelling
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