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36 lines
1.3 KiB
Markdown
36 lines
1.3 KiB
Markdown
# Project Hints
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## Architecture
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This project follows the @push.rocks/smartstate pattern with the following structure:
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- TypeScript source files in `ts/` directory
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- Test files in `test/` directory
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- Built files output to `dist_ts/` directory
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- ES modules configuration (`"type": "module"`)
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## Key Design Decisions
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1. **Decimal Precision**: Uses decimal.js library to avoid JavaScript floating-point errors
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2. **Class Hierarchy**: Calculator is the base class, other classes extend it for specific domains
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3. **Naming Convention**: Files follow pattern `calculation.classes.*.ts`
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4. **Plugin Pattern**: Dependencies are imported through `calculation.plugins.ts`
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## Development Workflow
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1. Run tests: `pnpm test`
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2. Build project: `pnpm build`
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3. Type checking: `tsbuild check test/**/* --skiplibcheck`
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4. Testing uses @git.zone/tstest with expect from @push.rocks/tapbundle
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## Financial Calculations
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- All monetary calculations use decimal arithmetic for accuracy
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- Interest calculations support multiple compounding frequencies
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- Financial functions follow standard financial formulas
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- Currency class handles formatting based on locale conventions
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## Testing Strategy
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- Cross-platform tests in `test.both.ts`
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- Tests cover accuracy, edge cases, and error handling
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- Precision tests ensure decimal accuracy is maintained |