app/state/numkit-cli/.zz/lanes/implement-isprime-command.json
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Ladder Summary
- file This lane records a change‑set that adds a new `isprime` sub‑command to the **numkit‑cli** tool: it bumps the `numkit` dependency to `^0.3.0`, updates `cli.js` to import and expose the `isPrime` function, and adds corresponding tests in `cli.test.js`. The `cli.js` module now exports the functions **`run`** (which parses the command line and dispatches to `clamp`, `average` or `isprime`) and **`main`** (which wraps `run` in a success/error result object).
{
"id": "implement-isprime-command",
"repo": "zz-demo/numkit-cli",
"origin": {
"repo": "zz-demo/numkit-cli",
"lane": "_repo"
},
"name": "implement isprime command",
"objective": "Add `numkit-cli isprime <n>`, delegating to numkit's isPrime(). Bumps the numkit dependency from a local file: path to a real version range (^0.3.0), now that numkit has a real version with everything this CLI uses.",
"status": "claimed",
"scope": [
"cli.js",
"cli.test.js",
"package.json"
],
"trigger": {
"kind": "manual",
"proposed_by": "zz-dev"
},
"coordinators": [
"zz-dev"
],
"history": [
{
"id": "ask-c503ed941d",
"type": "ASK",
"kind": "claim_request",
"from": "zz-dev",
"at": "2026-10-10T03:36:04.977Z"
},
{
"id": "answer-fc3d47eadf",
"type": "ANSWER",
"ask": "ask-c503ed941d",
"from": "zz-dev",
"action": "grant",
"at": "2026-10-10T03:36:04.977Z"
},
{
"id": "ask-f42c784e5c",
"type": "ASK",
"kind": "submit_changeset",
"from": "zz-dev",
"payload": {
"files": [
{
"path": "package.json",
"content": "{\n \"name\": \"numkit-cli\",\n \"version\": \"0.4.0\",\n \"description\": \"A command-line wrapper over numkit.\",\n \"type\": \"module\",\n \"bin\": {\n \"numkit-cli\": \"./cli.js\"\n },\n \"dependencies\": {\n \"numkit\": \"^0.3.0\"\n },\n \"scripts\": {\n \"test\": \"node --test\"\n }\n}\n"
},
{
"path": "cli.js",
"content": "#!/usr/bin/env node\nimport { clamp, average, isPrime } from \"numkit\";\n\nexport function run(argv) {\n const [command, ...args] = argv;\n if (command === \"clamp\") {\n const [value, min, max] = args.map(Number);\n return String(clamp(value, min, max));\n }\n if (command === \"average\") {\n return String(average(args.map(Number)));\n }\n if (command === \"isprime\") {\n return String(isPrime(Number(args[0])));\n }\n throw new Error(`Unknown command: ${command}`);\n}\n\nexport function main(argv) {\n try {\n return { ok: true, output: run(argv) };\n } catch (err) {\n return { ok: false, message: err instanceof Error ? err.message : String(err) };\n }\n}\n\nif (import.meta.url === `file://${process.argv[1]}`) {\n const result = main(process.argv.slice(2));\n if (result.ok) {\n console.log(result.output);\n } else {\n console.error(`error: ${result.message}`);\n process.exit(1);\n }\n}\n"
},
{
"path": "cli.test.js",
"content": "import { test } from \"node:test\";\nimport assert from \"node:assert/strict\";\nimport { run, main } from \"./cli.js\";\n\ntest(\"clamp command clamps into range\", () => {\n assert.equal(run([\"clamp\", \"15\", \"0\", \"10\"]), \"10\");\n});\n\ntest(\"average command averages its arguments\", () => {\n assert.equal(run([\"average\", \"1\", \"2\", \"3\"]), \"2\");\n});\n\ntest(\"isprime command reports primality\", () => {\n assert.equal(run([\"isprime\", \"17\"]), \"true\");\n assert.equal(run([\"isprime\", \"18\"]), \"false\");\n});\n\ntest(\"unknown command throws\", () => {\n assert.throws(() => run([\"nope\"]), /Unknown command/);\n});\n\ntest(\"average with no numbers reports a clean error, not a crash\", () => {\n const result = main([\"average\"]);\n assert.equal(result.ok, false);\n assert.match(result.message, /must not be empty/);\n});\n"
}
],
"message": "Add the isprime command"
},
"at": "2026-10-10T03:36:04.978Z"
},
{
"id": "answer-51b63b272b",
"type": "ANSWER",
"ask": "ask-f42c784e5c",
"from": "zz-dev",
"action": "grant",
"payload": {
"commit": "30578609b75ed99c4604bc87acdafb20f43054bc"
},
"at": "2026-10-10T03:36:05.003Z"
},
{
"id": "ask-45834f87ed",
"type": "ASK",
"kind": "merge_request",
"from": "zz-dev",
"payload": {
"ladder": [
{
"path": "package.json",
"kind": "file"
},
{
"path": "cli.js",
"kind": "file"
},
{
"path": "cli.test.js",
"kind": "file"
}
]
},
"at": "2026-10-10T03:36:05.003Z"
},
{
"id": "answer-65cd10652c",
"type": "ANSWER",
"ask": "ask-45834f87ed",
"from": "zz-dev",
"action": "grant",
"at": "2026-10-10T03:36:05.020Z"
}
],
"related_lanes": []
}