Finance — one repo, ten routes at finance.oriz.in

10 finance calculators into single repo. Shared @oriz/finance package

Finance — one repo, ten routes

Decision

One repo (finance, on GitHub at chirag127/finance, deployed to finance.oriz.in) serves all ten finance calculators as routes:

Math primitives live in the @oriz/finance shared npm package. Reverses the earlier “one repo per calculator” split.

Why

• Shared chrome and primitives — header, footer, account widget, theme toggle, currency formatter, INR locale handling all reused across ten routes for free.
• SEO compounds — internal links between calculators (e.g. EMI page links to FD and lumpsum) build authority for finance.oriz.in as a destination.
• One deploy workflow, one CF Pages project instead of ten.
• Maintenance ratio — a dependency bump touches one repo, not ten.
• Aligned with category subdomain routing (subdomain-path-based-on-category-2026-06-25).
• @oriz/finance package isolates the math so the same primitives can power a CLI or an MCP server later without re-implementing.

Implications

• The ten reserved per-calculator repos either get archived (saturated case) or merged into finance. Slug squat: keep their names on the org as redirects until any inbound links die.
• Internal navigation across the ten routes is built once in finance — sidebar links between siblings, footer cross-links.
• Per-tool SEO content (300-500 words each) lives at the route level, not as a separate repo.
• Tests, lint, and CI run once over the consolidated repo.
• Same pattern is the template for any future category (e.g. text utilities, dev tools): one repo, many routes, shared package for primitives.

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