feat: prep some stuff for lighthouse forms multiselect

lua/spec/array_spec.lua

@@ -322,6 +322,18 @@ describe('array', function()
 		end)
 	end)
 
+	describe('ParseMultiSelect', function()
+		it('check', function()
+			local a = {'test1', 'test2', 'test3'}
+			assert.are_same(a, Array.parseMultiSelect('test1, test2,test3'))
+			assert.are_same(a, Array.parseMultiSelect('test1 - test2-test3', '-'))
+			assert.are_same(a, Array.parseMultiSelect('["test1", "test2", "test3"]'))
+			assert.error(function ()
+				return Array.parseMultiSelect('{"a":"test1","b":"test2","c":"test3"}')
+			end)
+		end)
+	end)
+
 	describe('Interleave', function ()
 		it('works', function()
 			assert.are_same({'a', ' ', 'b', ' ', 'c'}, Array.interleave({'a', 'b', 'c'}, ' '))

lua/wikis/commons/Array.lua

@@ -5,6 +5,7 @@
 -- Please see https://github.com/Liquipedia/Lua-Modules to contribute
 --
 
+local Json = require('Module:Json')
 local Logic = require('Module:Logic')
 local Set = require('Module:Set')
 local String = require('Module:StringUtils')
@@ -791,4 +792,21 @@ function Array.interleave(elements, x)
 	return ret
 end
 
+---@param inputString string?
+---@param sep string?
+---@return string[]
+---@nodiscard
+function Array.parseMultiSelect(inputString, sep)
+	local parsed = Json.parseIfTable(inputString)
+
+	if not parsed then
+		return Array.parseCommaSeparatedString(inputString, sep)
+	end
+
+	-- validate it actually is an array
+	assert(Array.isArray(parsed), '"inputString" could not be parsed to an array')
+
+	return parsed
+end
+
 return Array

lua/wikis/commons/MatchTable.lua

@@ -404,7 +404,7 @@ function MatchTable:buildAdditionalConditions()
 	local getOrCondition = function(lpdbKey, input)
 		if Logic.isEmpty(input) then return end
 
-		conditions:add(ConditionUtil.anyOf(ColumnName(lpdbKey), Array.parseCommaSeparatedString(input)))
+		conditions:add(ConditionUtil.anyOf(ColumnName(lpdbKey), Array.parseMultiSelect(input)))
 	end
 
 	getOrCondition('liquipediatier', args.tier)

lua/wikis/commons/ResultsTable/Base.lua

@@ -255,7 +255,7 @@ function BaseResultsTable:buildBaseConditions()
 
 	if args.tier then
 		conditions:add(
-			ConditionUtil.anyOf(ColumnName('liquipediatier'), Array.parseCommaSeparatedString(args.tier))
+			ConditionUtil.anyOf(ColumnName('liquipediatier'), Array.parseMultiSelect(args.tier))
 		)
 	end