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Refactor: Modernize Configuration Management and Script Generation#63
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- Convert generate-chain-yamls.js and generate-compose.js to TypeScript - Add ES module support with "type": "module" in package.json - Replace CommonJS require/exports with ES module imports - Use tsx runner for TypeScript script execution - Consolidate handler templates into unified data-driven partial
- Move tsx to devDependencies where it belongs - Add Zod for runtime configuration validation - Create centralized config module with type-safe schemas - Refactor scripts to use new config module instead of direct file/env access - Validate chain configurations at load time to catch errors early
- Convert handler configuration from single `topic` property to `topics` array to allow handlers to listen for multiple event topics. - Update templates to iterate over topics array.
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Wizdave97
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This PR completes a comprehensive refactoring of the indexer package's configuration management and build scripts, introducing type safety, schema validation, and template-based generation using Handlebars.
Changes
1. Handlebars Template Integration for Docker Compose
generate-compose.tsto use Handlebars templates instead of string concatenationgenerate-chain-yamls.tsimplementation2. Centralized Configuration System
src/configs/index.tsas the single source of truth for configuration managementgetEnv(),getConfigs(), andgetValidChains()3. TypeScript Migration
.js→.ts)__dirnameresolution usingimport.meta.url4. Enhanced Type Safety
ConfigObjectandConfigurationtypes derived from Zod schemasEnvironmenttype for better environment handlingDependencies Added
zod@^3.25.32- Runtime schema validationhandlebars@^4.7.8- Template engine