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The Extended Common library is an open contribution area for components, hooks, and utilities that extend Anvil2 for the ServiceTitan app. It is maintained by the wider ServiceTitan engineering organization with support from the Design System team.

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Installation

The package requires @servicetitan/anvil2 as a peer dependency. Individual features may add their own peer dependencies — see each feature’s documentation.

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What’s available

  • Form fields — Form.* wrappers that bind Anvil2 input fields to formstate, plus the A2InputFieldState field state.
  • Hooks — React hooks for common interactions, like useInputGuards for debounced, rate-limited input commits.
  • Illustration — Illustration and IllustrationProvider pick a named empty-state or header SVG from scenario, segment, and trade.
Last modified on September 9, 2026