Function getDocErrorMessage

src/document/utilities/invalid-doc-error.js:7–29

(doc)

  new Intl.ListFormat("en-US", { type: "disjunction" }).format(list);

function getDocErrorMessage(doc) {
  const type = doc === null ? "null" : typeof doc;
  if (type !== "string" && type !== "object") {
    return `Unexpected doc '${type}', \nExpected it to be 'string' or 'object'.`;
  }

  /* c8 ignore next 3 */
  if (getDocType(doc)) {
    throw new Error("doc is valid.");
  }

  // eslint-disable-next-line prettier-internal-rules/no-unnecessary-ast-path-call
  const objectType = Object.prototype.toString.call(doc);
  if (objectType !== "[object Object]") {
    return `Unexpected doc '${objectType}'.`;
  }

  const EXPECTED_TYPE_VALUES = disjunctionListFormat(
    [...VALID_OBJECT_DOC_TYPES].map((type) => `'${type}'`),
  );

  return `Unexpected doc.type '${doc.type}'.\nExpected it to be ${EXPECTED_TYPE_VALUES}.`;
}

class InvalidDocError extends Error {
  name = "InvalidDocError";