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Count Item (listCountItemNode)

Category: Lists

Intended behavior

Counts how many times one specific item appears in a list.

Inputs

ID Label Type Unwired default
list List any []
item Item any ""
enabled Enabled boolean true

Outputs

ID Label Type Default
count Count number undefined

Configuration defaults

{
  "caseSensitive": false
}

Observed frontend behavior

This calls the production passive computation with the declared input/config defaults. Cached state, trigger execution and project wiring are separate.

{
  "kind": "passive-default-probe",
  "outputs": {
    "count": 0
  }
}

Observed backend behavior

Offline production passive computation with the same declared defaults; no device or model service is invoked.

{
  "kind": "passive-default-probe",
  "outputs": {
    "count": 0
  }
}

Current frontend implementation

Extracted production branches; helper calls and project execution context are defined in the referenced modules.

src/lib/list-node-compute.ts:123

listCountItemNode: (inputs, config) => {
    const caseSensitive = config.caseSensitive ?? false;
    const needle = groupKey(inputs.item, caseSensitive);
    // Compared as text so a wired number 5 matches a typed "5", like List Contains.
    return { count: toList(inputs.list).filter((v) => groupKey(v, caseSensitive) === needle).length };
  }

Implementation references

Verification limits

  • Default passive probe is an observation, not proof of all configurations, trigger behavior, or correctness. See ../NODE_RUNTIME_AUDIT.md and ../AUDIT_VALIDATION.md for test evidence.
  • Enabled=false uses the runtime bypass mapping; bypass output can differ from the normal declared output type.

Source fingerprint: 7e9d192bd3a559a7c50253919867601ef02c311d61e859f7afb4cadcfa508430. Rebuild with npm run docs:index.