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ledger · Mon, Oct 12 · Claude Code

Add CSV import for bank statements

3 prompts and 10 tool calls over 6 minutes. You corrected it once.

  1. You4:27 pm

    add a csv import for bank statements. chase and amex exports, see fixtures/statements/

  2. Claude Code4:27 pm

    I'll look at the fixtures first. Both have a header row and ISO dates. I'll add papaparse.

    • Readfixtures/statements/chase.csv
    • Readfixtures/statements/amex.csv
    • Bashnpm install papaparse @types/papaparse
  3. You4:28 pm

    no, use pnpm. this is a pnpm repo

    Correction
  4. Claude Code4:29 pm

    Sorry about that. Switching to pnpm. Added src/import/csv.ts with a parser per bank and a shared Transaction shape.

    • Bashrm package-lock.json
    • Bashpnpm add papaparse && pnpm add -D @types/papaparse
    • Writesrc/import/csv.ts
    • Editsrc/import/index.ts
  5. You4:32 pm

    nice. amex amounts are negative for charges, flip them

  6. Claude Code4:32 pm

    Flipped the sign for Amex and added a test.

    • Editsrc/import/csv.ts
    • Writesrc/import/csv.test.ts
    • Bashpnpm vitest run src/import