function checkType()

in src/ccf/ccf-provider-common/constitution/actions.js [41:60]

• 20 lines of code
• 9 McCabe index (conditional complexity)

function checkType(value, type, field) {
  const optional = type.endsWith("?");
  if (optional) {
    if (value === null || value === undefined) {
      return;
    }
    type = type.slice(0, -1);
  }
  if (type === "array") {
    if (!Array.isArray(value)) {
      throw new Error(`${field} must be an array`);
    }
  } else if (type === "integer") {
    if (!Number.isInteger(value)) {
      throw new Error(`${field} must be an integer`);
    }
  } else if (typeof value !== type) {
    throw new Error(`${field} must be of type ${type} but is ${typeof value}`);
  }
}