swagger-api/swagger-ui · error · Error

paramToIdentifier: received a non-Im.Map parameter as input

Error message

paramToIdentifier: received a non-Im.Map parameter as input

What it means

Error "paramToIdentifier: received a non-Im.Map parameter as input" thrown in swagger-api/swagger-ui.

When it happens

Trigger: Thrown at src/core/utils/index.js:775 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of swagger-api/swagger-ui@0ad38e9c47 (2026-08-21). Data as JSON: /api/errors/735762a315eba0d2. Report an issue: GitHub.

Appendix: source

Thrown at src/core/utils/index.js:774

  if(thing === null || thing === undefined) {
    return ""
  }

  return thing.toString()
}

export function numberToString(thing) {
  if(typeof thing === "number") {
    return thing.toString()
  }

  return thing
}

export function paramToIdentifier(param, { returnAll = false, allowHashes = true } = {}) {
  if(!Map.isMap(param)) {
    throw new Error("paramToIdentifier: received a non-Map parameter as input")
  }
  const paramName = param.get("name")
  const paramIn = param.get("in")

  let generatedIdentifiers = []

  // Generate identifiers in order of most to least specificity

  if (param && param.hashCode && paramIn && paramName && allowHashes) {
    generatedIdentifiers.push(`${paramIn}.${paramName}.hash-${param.hashCode()}`)
  }

  if(paramIn && paramName) {
    generatedIdentifiers.push(`${paramIn}.${paramName}`)
  }

  generatedIdentifiers.push(paramName)

  // Return the most preferred identifier, or all if requested

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