Lua

Pretty Print JSON (Formatter, Beautifier)

See more JSON Examples

Demonstrates how to emit JSON in a pretty, human-readable format with indenting of nested arrays and objects. Lua

local chilkat = require("chilkat")

local json = chilkat.JsonObject.new()

local jsonStr = "{\"name\": \"donut\",\"image\":{\"fname\": \"donut.jpg\",\"w\": 200,\"h\": 200},\"thumbnail\":{\"fname\": \"donutThumb.jpg\",\"w\": 32,\"h\": 32}}"

local success = json:load(jsonStr)
if not success then
    print(json.last_error_text)
    return
end

-- To pretty-print, set the EmitCompact property equal to false
json.emit_compact = false

-- If bare-LF line endings are desired, turn off EmitCrLf
-- Otherwise CRLF line endings are emitted.
json.emit_cr_lf = false

-- Emit the formatted JSON:
print(json:emit())