local Json = {}
local Arguments = require('Module:Arguments')
function Json.fromArgs(frame) local args = Arguments.getArgs(frame) return Json.stringify(args) end
function Json.stringify(obj, pretty) return mw.text.jsonEncode(obj, pretty == true and mw.text.JSON_PRETTY or nil) end
function Json.parse(obj) local parse = function(object) return mw.text.jsonDecode(object, mw.text.JSON_TRY_FIXING) end local status, res = pcall(parse, obj); if status then return res, false else mw.log('Error: could not parse Json:') mw.logObject(obj) mw.log(debug.traceback()) return {}, true end end
function Json.parseIfString(obj) if type(obj) == 'string' then return Json.parse(obj) else return obj end end
--[[ Attempts to parse a JSON encoded table. Returns nil if unsuccessful.
Example:
JsonExt.parseIfTable('{"a" = 3}') -- Returns {a = 3}
]] function Json.parseIfTable(any) if type(any) == 'string' then local firstChar = any:sub(1, 1) if firstChar == '{' or firstChar == '[' then local result, hasError = Json.parse(any) if not hasError then return result end end end return nil end
return Json