knowledge/node_modules/bullmq/dist/esm/scripts/removeChildDependency-1.js

const content = `--[[
  Break parent-child dependency by removing
  child reference from parent
  Input:
    KEYS[1] 'key' prefix,
    ARGV[1] job key
    ARGV[2] parent key
    Output:
       0  - OK
       1  - There is not relationship.
      -1  - Missing job key
      -5  - Missing parent key
]]
local rcall = redis.call
local jobKey = ARGV[1]
local parentKey = ARGV[2]
-- Includes
--[[
  Check if this job has a parent. If so we will just remove it from
  the parent child list, but if it is the last child we should move the parent to "wait/paused"
  which requires code from "moveToFinished"
]]
-- Includes
--[[
  Function to add job in target list and add marker if needed.
]]
-- Includes
--[[
  Add marker if needed when a job is available.
]]
local function addBaseMarkerIfNeeded(markerKey, isPausedOrMaxed)
  if not isPausedOrMaxed then
    rcall("ZADD", markerKey, 0, "0")
  end  
end
local function addJobInTargetList(targetKey, markerKey, pushCmd, isPausedOrMaxed, jobId)
  rcall(pushCmd, targetKey, jobId)
  addBaseMarkerIfNeeded(markerKey, isPausedOrMaxed)
end
--[[
  Functions to destructure job key.
  Just a bit of warning, these functions may be a bit slow and affect performance significantly.
]]
local getJobIdFromKey = function (jobKey)
  return string.match(jobKey, ".*:(.*)")
end
local getJobKeyPrefix = function (jobKey, jobId)
  return string.sub(jobKey, 0, #jobKey - #jobId)
end
--[[
  Function to check for the meta.paused key to decide if we are paused or not
  (since an empty list and !EXISTS are not really the same).
]]
local function getTargetQueueList(queueMetaKey, activeKey, waitKey, pausedKey)
  local queueAttributes = rcall("HMGET", queueMetaKey, "paused", "concurrency", "max", "duration")
  if queueAttributes[1] then
    return pausedKey, true, queueAttributes[3], queueAttributes[4]
  else
    if queueAttributes[2] then
      local activeCount = rcall("LLEN", activeKey)
      if activeCount >= tonumber(queueAttributes[2]) then
        return waitKey, true, queueAttributes[3], queueAttributes[4]
      else
        return waitKey, false, queueAttributes[3], queueAttributes[4]
      end
    end
  end
  return waitKey, false, queueAttributes[3], queueAttributes[4]
end
--[[
  Function to remove job keys.
]]
local function removeJobKeys(jobKey)
  return rcall("DEL", jobKey, jobKey .. ':logs', jobKey .. ':dependencies',
    jobKey .. ':processed', jobKey .. ':failed', jobKey .. ':unsuccessful')
end
local function _moveParentToWait(parentPrefix, parentId, emitEvent)
  local parentTarget, isPausedOrMaxed = getTargetQueueList(parentPrefix .. "meta", parentPrefix .. "active",
    parentPrefix .. "wait", parentPrefix .. "paused")
  addJobInTargetList(parentTarget, parentPrefix .. "marker", "RPUSH", isPausedOrMaxed, parentId)
  if emitEvent then
    local parentEventStream = parentPrefix .. "events"
    rcall("XADD", parentEventStream, "*", "event", "waiting", "jobId", parentId, "prev", "waiting-children")
  end
end
local function removeParentDependencyKey(jobKey, hard, parentKey, baseKey, debounceId)
  if parentKey then
    local parentDependenciesKey = parentKey .. ":dependencies"
    local result = rcall("SREM", parentDependenciesKey, jobKey)
    if result > 0 then
      local pendingDependencies = rcall("SCARD", parentDependenciesKey)
      if pendingDependencies == 0 then
        local parentId = getJobIdFromKey(parentKey)
        local parentPrefix = getJobKeyPrefix(parentKey, parentId)
        local numRemovedElements = rcall("ZREM", parentPrefix .. "waiting-children", parentId)
        if numRemovedElements == 1 then
          if hard then -- remove parent in same queue
            if parentPrefix == baseKey then
              removeParentDependencyKey(parentKey, hard, nil, baseKey, nil)
              removeJobKeys(parentKey)
              if debounceId then
                rcall("DEL", parentPrefix .. "de:" .. debounceId)
              end
            else
              _moveParentToWait(parentPrefix, parentId)
            end
          else
            _moveParentToWait(parentPrefix, parentId, true)
          end
        end
      end
      return true
    end
  else
    local parentAttributes = rcall("HMGET", jobKey, "parentKey", "deid")
    local missedParentKey = parentAttributes[1]
    if( (type(missedParentKey) == "string") and missedParentKey ~= ""
      and (rcall("EXISTS", missedParentKey) == 1)) then
      local parentDependenciesKey = missedParentKey .. ":dependencies"
      local result = rcall("SREM", parentDependenciesKey, jobKey)
      if result > 0 then
        local pendingDependencies = rcall("SCARD", parentDependenciesKey)
        if pendingDependencies == 0 then
          local parentId = getJobIdFromKey(missedParentKey)
          local parentPrefix = getJobKeyPrefix(missedParentKey, parentId)
          local numRemovedElements = rcall("ZREM", parentPrefix .. "waiting-children", parentId)
          if numRemovedElements == 1 then
            if hard then
              if parentPrefix == baseKey then
                removeParentDependencyKey(missedParentKey, hard, nil, baseKey, nil)
                removeJobKeys(missedParentKey)
                if parentAttributes[2] then
                  rcall("DEL", parentPrefix .. "de:" .. parentAttributes[2])
                end
              else
                _moveParentToWait(parentPrefix, parentId)
              end
            else
              _moveParentToWait(parentPrefix, parentId, true)
            end
          end
        end
        return true
      end
    end
  end
  return false
end
if rcall("EXISTS", jobKey) ~= 1 then return -1 end
if rcall("EXISTS", parentKey) ~= 1 then return -5 end
if removeParentDependencyKey(jobKey, false, parentKey, KEYS[1], nil) then
  rcall("HDEL", jobKey, "parentKey", "parent")
  return 0
else
  return 1
end`;
export const removeChildDependency = {
    name: 'removeChildDependency',
    content,
    keys: 1,
};
//# sourceMappingURL=removeChildDependency-1.js.map