Function includeThreadPermissionForThreadType

lib/permissions/prefixes.js:76–102

(
  parsed: ParsedThreadPermissionString,
  threadType: ThreadType,
  isMember: boolean,
)

}

function includeThreadPermissionForThreadType(
  parsed: ParsedThreadPermissionString,
  threadType: ThreadType,
  isMember: boolean,
): boolean {
  if (
    threadType !== threadTypes.COMMUNITY_OPEN_SUBTHREAD &&
    threadType !== threadTypes.COMMUNITY_OPEN_ANNOUNCEMENT_SUBTHREAD &&
    !threadTypeIsSidebar(threadType) &&
    (parsed.filterPrefix === threadPermissionFilterPrefixes.OPEN ||
      parsed.filterPrefix === threadPermissionFilterPrefixes.OPEN_TOP_LEVEL)
  ) {
    return false;
  } else if (
    threadTypeIsSidebar(threadType) &&
    (parsed.filterPrefix === threadPermissionFilterPrefixes.TOP_LEVEL ||
      parsed.filterPrefix === threadPermissionFilterPrefixes.OPEN_TOP_LEVEL)
  ) {
    return false;
  } else if (
    !isMember &&
    parsed.membershipPrefix === threadPermissionMembershipPrefixes.MEMBER
  ) {
    return false;
  }
  return true;
}

const { CHILD, DESCENDANT } = threadPermissionPropagationPrefixes;
const { OPEN, TOP_LEVEL, OPEN_TOP_LEVEL } = threadPermissionFilterPrefixes;