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The Finanzen slide crashed on mount with "a.toFixed is not a function". Traced to UnitEconomicsCards.tsx:59 calling ltvCacRatio.toFixed(1), where ltvCacRatio arrives as a string. Root cause: the cached path in /api/financial-model/compute returns raw rows from pitch_fm_results. node-postgres returns NUMERIC / DECIMAL columns as strings by default, so lastResult.ltv_cac_ratio (and every other *_eur / *_pct / *_ratio field) flows through the app as a string. Arithmetic-heavy code paths survived on accidental string-coerce (`-`, `/`, `*`), but direct method calls like .toFixed() don't coerce, which is why Unit Economics was the visible crash site. Fix at the boundary: register a single types.setTypeParser(NUMERIC, …) on the pg Pool so every query returns real numbers. All our NUMERIC values fit well inside Number.MAX_SAFE_INTEGER, so parseFloat is safe. One-line change, no component-level defensive coercions needed. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
18 lines
721 B
TypeScript
18 lines
721 B
TypeScript
import { Pool, types } from 'pg'
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// Coerce NUMERIC/DECIMAL columns to JS numbers globally. The default
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// node-postgres behavior hands them back as strings, which silently breaks
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// every downstream `.toFixed()` / direct-number call (seen crashing
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// UnitEconomicsCards on the Finanzen slide). Our values fit comfortably in
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// Number.MAX_SAFE_INTEGER, so the precision trade-off is fine.
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types.setTypeParser(types.builtins.NUMERIC, (val) => (val === null ? null : parseFloat(val)))
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const pool = new Pool({
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connectionString: process.env.DATABASE_URL || 'postgres://breakpilot:breakpilot123@localhost:5432/breakpilot_db',
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max: 20,
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idleTimeoutMillis: 30000,
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connectionTimeoutMillis: 10000,
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})
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export default pool
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