the standard library
nika:convert
Convert between json·yaml·toml·csv (from/to · identity rejected). One of 28 builtins in the closed nika: namespace.
the data familypure JSON/data transforms, no I/O
- datafamily9 tools
- 5argsdeclared contract
- 3requiredcheck teaches a miss
- craftedusage filecheck-green below
the contract
5 args · 3 requiredA missing required arg is a nika check finding before anything runs; the vocabulary below comes from the binary itself (nika catalog --tools --json), not from prose.
- input*
- the data (string for text formats)
- from*
stringjson|yaml|toml|csv- to*
stringjson|yaml|toml|csv- has_header
booleanCSV only (default true)- formula_guard
booleanCSV only · prefix formula-triggering cells (=+-@) with ' against spreadsheet injection · default false (alters data)
in a real file
a complete workflownika: v1workflow: id: json-to-yaml description: "one format in, another out — identity is rejected"tasks: translate: invoke: tool: "nika:convert" args: input: '{"name":"nika","verbs":4}' from: json to: yamloutputs: yaml: ${{ tasks.translate.output }}a complete file, nika check green; the drift gate re-validates this copy against the schema on every test run. open it in the playground →
cross-references
ships in skeletons
no skeleton ships it; the crafted file above is the reference.
the check gates
the data family
9 toolspure JSON/data transforms, no I/O.
Machines read the same vocabulary at /tools/catalog.json; the contract lives in spec 06 · stdlib. Install and ask the binary itself: nika catalog --tools. Read the spec →