Function doubleMap

Apps/BabylonScripts/meshwriter.min.js:621–621

                    var letterSpec = fontSpec[letter],
                        singleMap = cmds => decodeList(cmds),
                        doubleMap = cmdslists => isArray(cmdslists) ? cmdslists.map(singleMap) : cmdslists;

                    if (isObject(letterSpec)) {
                        if (!isArray(letterSpec.shapeCmds) && isArray(letterSpec.sC)) {