Expose profession skill lines

These will come in handy later

LibProcessable.lua

@@ -316,6 +316,20 @@ function lib:GetProfessionCategories(professionID)
 	return professionCategories and CopyTable(professionCategories)
 end
 
+--[[ LibProcessable:GetProfessionSkillLines(_professionID_)
+Returns data of all skill lines for a given (valid) profession, indexed by the expansion level index.
+
+**Arguments:**
+* `professionID`: The profession ID _(number)_
+
+**Return values:**
+* `skillLines`: Profession skill lines _(table)_
+--]]
+function lib:GetProfessionSkillLines(professionID)
+	local professionSkillLines = data.professionSkillLines[professionID]
+	return professionSkillLines and CopyTable(professionSkillLines)
+end
+
 local classicIDs = {
 	[(GetSpellInfo(2259))]  = 171, -- Alchemy
 	[(GetSpellInfo(2018))]  = 164, -- Blacksmithing
@@ -669,3 +683,128 @@ data.professionCategories = {
 		[LE_EXPANSION_SHADOWLANDS]            = 1395,
 	},
 }
+
+-- https://wowpedia.fandom.com/wiki/TradeSkillLineID
+data.professionSkillLines = {
+	[171] = { -- Alchemy
+		[LE_EXPANSION_CLASSIC]                = 2485,
+		[LE_EXPANSION_BURNING_CRUSADE]        = 2484,
+		[LE_EXPANSION_WRATH_OF_THE_LICH_KING] = 2483,
+		[LE_EXPANSION_CATACLYSM]              = 2482,
+		[LE_EXPANSION_MISTS_OF_PANDARIA]      = 2481,
+		[LE_EXPANSION_WARLORDS_OF_DRAENOR]    = 2480,
+		[LE_EXPANSION_LEGION]                 = 2479,
+		[LE_EXPANSION_BATTLE_FOR_AZEROTH]     = 2478,
+		[LE_EXPANSION_SHADOWLANDS]            = 2750,
+	},
+	[164] = { -- Blacksmithing
+		[LE_EXPANSION_CLASSIC]                = 2477,
+		[LE_EXPANSION_BURNING_CRUSADE]        = 2476,
+		[LE_EXPANSION_WRATH_OF_THE_LICH_KING] = 2475,
+		[LE_EXPANSION_CATACLYSM]              = 2474,
+		[LE_EXPANSION_MISTS_OF_PANDARIA]      = 2473,
+		[LE_EXPANSION_WARLORDS_OF_DRAENOR]    = 2472,
+		[LE_EXPANSION_LEGION]                 = 2454,
+		[LE_EXPANSION_BATTLE_FOR_AZEROTH]     = 2437,
+		[LE_EXPANSION_SHADOWLANDS]            = 2751,
+	},
+	[333] = { -- Enchanting
+		[LE_EXPANSION_CLASSIC]                = 2494,
+		[LE_EXPANSION_BURNING_CRUSADE]        = 2493,
+		[LE_EXPANSION_WRATH_OF_THE_LICH_KING] = 2492,
+		[LE_EXPANSION_CATACLYSM]              = 2491,
+		[LE_EXPANSION_MISTS_OF_PANDARIA]      = 2489,
+		[LE_EXPANSION_WARLORDS_OF_DRAENOR]    = 2488,
+		[LE_EXPANSION_LEGION]                 = 2487,
+		[LE_EXPANSION_BATTLE_FOR_AZEROTH]     = 2486,
+		[LE_EXPANSION_SHADOWLANDS]            = 2753,
+	},
+	[202] = { -- Engineering
+		[LE_EXPANSION_CLASSIC]                = 2506,
+		[LE_EXPANSION_BURNING_CRUSADE]        = 2505,
+		[LE_EXPANSION_WRATH_OF_THE_LICH_KING] = 2504,
+		[LE_EXPANSION_CATACLYSM]              = 2503,
+		[LE_EXPANSION_MISTS_OF_PANDARIA]      = 2502,
+		[LE_EXPANSION_WARLORDS_OF_DRAENOR]    = 2501,
+		[LE_EXPANSION_LEGION]                 = 2500,
+		[LE_EXPANSION_BATTLE_FOR_AZEROTH]     = 2499,
+		[LE_EXPANSION_SHADOWLANDS]            = 2755,
+	},
+	[182] = { -- Herbalism
+		[LE_EXPANSION_CLASSIC]                = 2556,
+		[LE_EXPANSION_BURNING_CRUSADE]        = 2555,
+		[LE_EXPANSION_WRATH_OF_THE_LICH_KING] = 2554,
+		[LE_EXPANSION_CATACLYSM]              = 2553,
+		[LE_EXPANSION_MISTS_OF_PANDARIA]      = 2552,
+		[LE_EXPANSION_WARLORDS_OF_DRAENOR]    = 2551,
+		[LE_EXPANSION_LEGION]                 = 2550,
+		[LE_EXPANSION_BATTLE_FOR_AZEROTH]     = 2549,
+		[LE_EXPANSION_SHADOWLANDS]            = 2760,
+	},
+	[773] = { -- Inscription
+		[LE_EXPANSION_CLASSIC]                = 2514,
+		[LE_EXPANSION_BURNING_CRUSADE]        = 2513,
+		[LE_EXPANSION_WRATH_OF_THE_LICH_KING] = 2512,
+		[LE_EXPANSION_CATACLYSM]              = 2511,
+		[LE_EXPANSION_MISTS_OF_PANDARIA]      = 2510,
+		[LE_EXPANSION_WARLORDS_OF_DRAENOR]    = 2509,
+		[LE_EXPANSION_LEGION]                 = 2508,
+		[LE_EXPANSION_BATTLE_FOR_AZEROTH]     = 2507,
+		[LE_EXPANSION_SHADOWLANDS]            = 2756,
+	},
+	[755] = { -- Jewelcrafting
+		[LE_EXPANSION_CLASSIC]                = 2524,
+		[LE_EXPANSION_BURNING_CRUSADE]        = 2523,
+		[LE_EXPANSION_WRATH_OF_THE_LICH_KING] = 2522,
+		[LE_EXPANSION_CATACLYSM]              = 2521,
+		[LE_EXPANSION_MISTS_OF_PANDARIA]      = 2520,
+		[LE_EXPANSION_WARLORDS_OF_DRAENOR]    = 2519,
+		[LE_EXPANSION_LEGION]                 = 2518,
+		[LE_EXPANSION_BATTLE_FOR_AZEROTH]     = 2517,
+		[LE_EXPANSION_SHADOWLANDS]            = 2757,
+	},
+	[165] = { -- Leatherworking
+		[LE_EXPANSION_CLASSIC]                = 2532,
+		[LE_EXPANSION_BURNING_CRUSADE]        = 2531,
+		[LE_EXPANSION_WRATH_OF_THE_LICH_KING] = 2530,
+		[LE_EXPANSION_CATACLYSM]              = 2529,
+		[LE_EXPANSION_MISTS_OF_PANDARIA]      = 2528,
+		[LE_EXPANSION_WARLORDS_OF_DRAENOR]    = 2527,
+		[LE_EXPANSION_LEGION]                 = 2526,
+		[LE_EXPANSION_BATTLE_FOR_AZEROTH]     = 2525,
+		[LE_EXPANSION_SHADOWLANDS]            = 2758,
+	},
+	[186] = { -- Mining
+		[LE_EXPANSION_CLASSIC]                = 2572,
+		[LE_EXPANSION_BURNING_CRUSADE]        = 2571,
+		[LE_EXPANSION_WRATH_OF_THE_LICH_KING] = 2570,
+		[LE_EXPANSION_CATACLYSM]              = 2569,
+		[LE_EXPANSION_MISTS_OF_PANDARIA]      = 2568,
+		[LE_EXPANSION_WARLORDS_OF_DRAENOR]    = 2567,
+		[LE_EXPANSION_LEGION]                 = 2566,
+		[LE_EXPANSION_BATTLE_FOR_AZEROTH]     = 2565,
+		[LE_EXPANSION_SHADOWLANDS]            = 2761,
+	},
+	[393] = { -- Skinning
+		[LE_EXPANSION_CLASSIC]                = 2564,
+		[LE_EXPANSION_BURNING_CRUSADE]        = 2563,
+		[LE_EXPANSION_WRATH_OF_THE_LICH_KING] = 2562,
+		[LE_EXPANSION_CATACLYSM]              = 2561,
+		[LE_EXPANSION_MISTS_OF_PANDARIA]      = 2560,
+		[LE_EXPANSION_WARLORDS_OF_DRAENOR]    = 2559,
+		[LE_EXPANSION_LEGION]                 = 2558,
+		[LE_EXPANSION_BATTLE_FOR_AZEROTH]     = 2557,
+		[LE_EXPANSION_SHADOWLANDS]            = 2762,
+	},
+	[197] = { -- Tailoring
+		[LE_EXPANSION_CLASSIC]                = 2540,
+		[LE_EXPANSION_BURNING_CRUSADE]        = 2539,
+		[LE_EXPANSION_WRATH_OF_THE_LICH_KING] = 2538,
+		[LE_EXPANSION_CATACLYSM]              = 2537,
+		[LE_EXPANSION_MISTS_OF_PANDARIA]      = 2536,
+		[LE_EXPANSION_WARLORDS_OF_DRAENOR]    = 2535,
+		[LE_EXPANSION_LEGION]                 = 2534,
+		[LE_EXPANSION_BATTLE_FOR_AZEROTH]     = 2533,
+		[LE_EXPANSION_SHADOWLANDS]            = 2759,
+	},
+}