feat(get-cpf-info): add getCpfInfo - #558
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Navigate logical layers of code changes, visualize relationships, and explore their blast radius. No actionable comments were generated in the recent review. 🎉 ℹ️ Recent review info⚙️ Run configurationConfiguration used: Organization UI Review profile: CHILL Plan: Advanced Run ID: 📒 Files selected for processing (5)
Included review availability: Your plan provides up to 10 included reviews per hour; 2 remain after this review. 📝 WalkthroughWalkthroughThe PR adds ChangesCPF information parsing
Priority: ➖ Normal Estimated code review effort: 2 (Simple) | ~10 minutes Change: Feature Sequence Diagram(s)sequenceDiagram
participant Caller
participant getCpfInfo
participant isValidCpf
participant CPF_FISCAL_REGION_BY_STATE
Caller->>getCpfInfo: Provide CPF value
getCpfInfo->>isValidCpf: Validate CPF
isValidCpf-->>getCpfInfo: Return validation result
getCpfInfo->>CPF_FISCAL_REGION_BY_STATE: Resolve associated states
getCpfInfo-->>Caller: Return CpfInfo or null
Merge Risk: 🔵 Low · up to The new getCpfInfo API exposes CPF fiscal-region data, but public wording may still mislead users about what that digit represents. This is a bounded documentation risk requiring follow-up. 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
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Tree-shaking report✅ No size regression. 1 new out of 157 exports.
What changed (1)
All exports (157)
How this is measuredEvery export is imported alone into an esbuild consumer bundle (minified, tree-shaken) built from the head and from the base of this pull request; the sizes are the resulting bundles, gzip is their gzipped size. 🔴 marks a regression: a pre-existing export that grew more than 20% and more than 256 B, or the bundle importing every pre-existing export growing more than 5%. 🟡 is growth under the threshold, 🟢 a decrease, ⚪ no change, 🆕 an export that does not exist on the base (never a regression), 🗑️ an export that was removed. An intentional increase is accepted with the |
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## claude/fix-treeshaking-templates #558 +/- ##
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Files 186 187 +1
Lines 2069 2077 +8
Branches 613 614 +1
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+ Hits 2069 2077 +8
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Actionable comments posted: 2
- 🪄 Fix CodeRabbit comments on this PR
🤖 Prompt to fix review comments
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Inline comments:
In `@docs/pt-br/utilities.md`:
- Line 58: Update the CPF fiscal-region description at
docs/pt-br/utilities.md:58-58 and docs/utilities.md:58-58 to state that the
digit reflects the region associated with the address provided during initial
CPF registration, not where the CPF was issued; keep the surrounding CpfInfo and
isValidCpf behavior descriptions unchanged.
In `@src/get-cpf-info/get-cpf-info.ts`:
- Line 31: Correct the ninth-digit description to identify the fiscal region of
the original registered address, not the CPF issuance location. Update the JSDoc
in src/get-cpf-info/get-cpf-info.ts at lines 31-31 and apply the same wording in
docs/llms-full.txt at lines 321-321.
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📒 Files selected for processing (13)
docs/llms-full.txtdocs/llms.txtdocs/pt-br/utilities.mddocs/utilities.mdreports/api/brazilian-utils.api.mdsrc/_internals/constants/cpf.tssrc/generate-cpf/constants.tssrc/generate-cpf/generate-cpf.test.tssrc/generate-cpf/generate-cpf.tssrc/get-cpf-info/get-cpf-info.test.tssrc/get-cpf-info/get-cpf-info.tssrc/index.test.tssrc/index.ts
💤 Files with no reviewable changes (1)
- src/generate-cpf/constants.ts
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hyanmandian
added this pull request to stack #589
September 22, 2026 04:45
…nstants getCpfInfo reads the same state to região fiscal digit table generateCpf writes with, and a table used by two modules lives under src/_internals/constants. The table and the base length move to constants/cpf.ts under CPF prefixed names; generateCpf behaves as before.
A CPF carries more than its check digits: the 9th digit is the Região Fiscal of the Receita Federal the number was registered in. getCpfInfo returns the base, that digit, the states of the region and the check digits of a valid CPF, masked or not, and null for anything isValidCpf rejects. The region to state mapping was checked against the Receita Federal's folheto "Cadastros: CPF e CNPJ" and its Superintendências Regionais page.
CpfInfo.states is a StateCode[], but a consumer importing from the get-cpf-info subpath had no way to name that type, while every other module whose public type mentions StateCode re-exports it, generate-cpf and get-nfe-key-info included. The doc of CpfInfo.base and of CPF_BASE_LENGTH also called the first 8 digits the sequential number of the registration. None of the cited Receita Federal sources says that, so they now say only what those sources support.
… was issued The folheto only says the 9th digit is the Região Fiscal of the address given at the first registration. Where the number was asked for is a different thing, and no cited source ties the two, so the JSDoc and both docs now say what the digit does not tell instead of naming an issuing place.
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hyanmandian
removed this pull request from stack #589
September 22, 2026 04:57
hyanmandian
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September 22, 2026 04:57
hyanmandian
added this pull request to stack #591
September 22, 2026 05:05
This was referenced Sep 22, 2026
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What
Adds
getCpfInfo(value), in the style ofgetIbanInfo/getNfeKeyInfo: for a valid CPF it returns what the number encodes, otherwisenull.The state to região fiscal digit table
generateCpfalready had now serves two modules, so it moves fromsrc/generate-cpf/constants.tstosrc/_internals/constants/cpf.ts(asCPF_FISCAL_REGION_BY_STATE, withCPF_BASE_LENGTH) in arefactorcommit of its own.generateCpfbehaves as before: same table, same values, its tests only changed the import.API
isValidCpfaccepts (masked or not, whitespace around and between groups) and returnsnullwheneverisValidCpfreturnsfalse, non strings included. Never throws.StateCodeis re-exported from the module, so theget-cpf-infosubpath entry can name the element type ofstates, the waygenerate-cpfandget-nfe-key-infoalready do. It is the same type the root entry exports, so nothing changes for the root.statesis derived from the shared table (STATE_CODES.filter(...)), so there is one table and not a mirrored one, and every call returns a fresh array.Sources
isValidCpf, unchanged (sources cited there). The manual's worked example280012389-38is one of the test vectors.Verification
npm run check: passnpm run test -- --run: 185 files, 6143 passednpm run test:coverage: 100% statements, branches, functions and linesnpm run build: pass (attw and publint clean)npm run check:api:update: report updated and committed (onlyCpfInfoandgetCpfInfoadded)npm run check:unused,npm run check:duplication(0 clones),npm run check:commits: passnpm run check:tree-shaking:getCpfInfois 1705 bytes (999 gzip);generateCpfstays at 1482 bytesnpm run test:mutation -- --mutate src/get-cpf-info/get-cpf-info.ts: 100% (14 killed); also 100% onsrc/generate-cpf/generate-cpf.tsnpm run test:bunandnpm run test:deno: passnpm run build:docsandnpm run build:jsr: run, output committed (jsr.jsongains./get-cpf-info)Test vectors are synthetic, one per região fiscal, with check digits computed by hand from the algorithm and not by the code under test.
Rebase onto #588
Rebased onto
claude/fix-treeshaking-templatesso theTree-shaking reportjob is green here too; it fails on every branch rebased past #556 until #588 lands. The rebase was clean: #588 only touchesCONTRIBUTING.md,context7.json,tsconfig.json,scripts/examples.tsand the template file names underdocs/snippets/document-field/, none of which this PR goes near.npm run build:jsr,npm run build:docsandnpm run check:api:updatewere re-run on the rebased branch and left the tree clean, andcheck,test:coverage(100%),build,check:unused,check:duplicationandcheck:commitsall pass.Open points
fiscalRegionis the digit as a string ("0"for the 10ª Região Fiscal), the same representationgenerateCpfwrites. No region number or name field was added.Summary by CodeRabbit
New Features
getCpfInfoto extract details from valid masked or unmasked CPFs, including the base number, fiscal region, associated states, and check digits.null.CpfInfotype for typed integrations.Documentation