mirror of
https://github.com/johndoe6345789/metabuilder.git
synced 2026-04-24 22:04:56 +00:00
JohnDoe6345789
d65962eb98
- Added CSV export functionality with escape handling. - Implemented JSON export functionality. - Created utility functions for retrieving column labels and row values. - Established a filtering system with state management and filter application. - Refactored sorting logic into dedicated modules for better maintainability. - Deprecated old filtering and sorting files, redirecting to new module structure. - Introduced form field builders and validation utilities, also refactored into single-function files.
60 lines
1.5 KiB
Lua
60 lines
1.5 KiB
Lua
-- Serialize a value to JSON
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-- Single function module for data table export
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---@class JsonEncode
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local M = {}
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---Serialize a value to JSON
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---@param value any Value to serialize
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---@return string JSON string
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function M.jsonEncode(value)
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local t = type(value)
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if value == nil then
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return "null"
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elseif t == "boolean" then
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return value and "true" or "false"
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elseif t == "number" then
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return tostring(value)
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elseif t == "string" then
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-- Escape special characters
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local escaped = value
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escaped = string.gsub(escaped, '\\', '\\\\')
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escaped = string.gsub(escaped, '"', '\\"')
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escaped = string.gsub(escaped, '\n', '\\n')
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escaped = string.gsub(escaped, '\r', '\\r')
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escaped = string.gsub(escaped, '\t', '\\t')
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return '"' .. escaped .. '"'
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elseif t == "table" then
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-- Check if array or object
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local isArray = true
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local maxIndex = 0
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for k, _ in pairs(value) do
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if type(k) ~= "number" or k < 1 or k ~= math.floor(k) then
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isArray = false
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break
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end
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if k > maxIndex then maxIndex = k end
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end
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isArray = isArray and maxIndex == #value
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if isArray then
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local items = {}
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for _, v in ipairs(value) do
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table.insert(items, M.jsonEncode(v))
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end
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return "[" .. table.concat(items, ",") .. "]"
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else
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local items = {}
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for k, v in pairs(value) do
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table.insert(items, M.jsonEncode(tostring(k)) .. ":" .. M.jsonEncode(v))
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end
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return "{" .. table.concat(items, ",") .. "}"
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end
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end
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return "null"
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end
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return M
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