Aseprite scripts to jump between tags keeping the relative local frame

Jump Tag Backward.lua

local spr = app.activeSprite
local tag = app.activeTag
local fr = app.activeFrame
if not spr or not tag then return end

local relativeFr = fr.frameNumber - tag.fromFrame.frameNumber

local function clamp(x, min, max)
  if x < min then
    return min
  elseif x > max then
      return max
  else
    return x
  end
end

for i,t in ipairs(spr.tags) do
  if t == tag then
    local tag2
    if i-1 >= 1 then
      tag2 = spr.tags[i-1]
    else
      tag2 = spr.tags[#spr.tags]
    end

    app.activeFrame = clamp(tag2.fromFrame.frameNumber + relativeFr,
                            tag2.fromFrame.frameNumber,
                            tag2.toFrame.frameNumber)
    return
  end
end

Jump Tag Forward.lua

local spr = app.activeSprite
local tag = app.activeTag
local fr = app.activeFrame
if not spr or not tag then return end

local relativeFr = fr.frameNumber - tag.fromFrame.frameNumber

local function clamp(x, min, max)
  if x < min then
    return min
  elseif x > max then
      return max
  else
    return x
  end
end

for i,t in ipairs(spr.tags) do
  if t == tag then
    local tag2
    if i+1 <= #spr.tags then
      tag2 = spr.tags[i+1]
    else
      tag2 = spr.tags[1]
    end

    app.activeFrame = clamp(tag2.fromFrame.frameNumber + relativeFr,
                            tag2.fromFrame.frameNumber,
                            tag2.toFrame.frameNumber)
    return
  end
end