function serializeDateTypes()

in sdk/core/core-client/src/serializer.ts [491:548]
58 lines of code
24 McCabe index (conditional complexity)

function serializeDateTypes(typeName: string, value: any, objectName: string): any {
  if (value !== undefined && value !== null) {
    if (typeName.match(/^Date$/i) !== null) {
      if (
        !(
          value instanceof Date ||
          (typeof value.valueOf() === "string" && !isNaN(Date.parse(value)))
        )
      ) {
        throw new Error(`${objectName} must be an instanceof Date or a string in ISO8601 format.`);
      }
      value =
        value instanceof Date
          ? value.toISOString().substring(0, 10)
          : new Date(value).toISOString().substring(0, 10);
    } else if (typeName.match(/^DateTime$/i) !== null) {
      if (
        !(
          value instanceof Date ||
          (typeof value.valueOf() === "string" && !isNaN(Date.parse(value)))
        )
      ) {
        throw new Error(`${objectName} must be an instanceof Date or a string in ISO8601 format.`);
      }
      value = value instanceof Date ? value.toISOString() : new Date(value).toISOString();
    } else if (typeName.match(/^DateTimeRfc1123$/i) !== null) {
      if (
        !(
          value instanceof Date ||
          (typeof value.valueOf() === "string" && !isNaN(Date.parse(value)))
        )
      ) {
        throw new Error(`${objectName} must be an instanceof Date or a string in RFC-1123 format.`);
      }
      value = value instanceof Date ? value.toUTCString() : new Date(value).toUTCString();
    } else if (typeName.match(/^UnixTime$/i) !== null) {
      if (
        !(
          value instanceof Date ||
          (typeof value.valueOf() === "string" && !isNaN(Date.parse(value)))
        )
      ) {
        throw new Error(
          `${objectName} must be an instanceof Date or a string in RFC-1123/ISO8601 format ` +
            `for it to be serialized in UnixTime/Epoch format.`,
        );
      }
      value = dateToUnixTime(value);
    } else if (typeName.match(/^TimeSpan$/i) !== null) {
      if (!isDuration(value)) {
        throw new Error(
          `${objectName} must be a string in ISO 8601 format. Instead was "${value}".`,
        );
      }
    }
  }
  return value;
}