json-like string parser

a = {"rstatus":0,"stderr":"","stdout":"ctrl_interface=\/var\/run\/wpa_supplicant\nupdate_config=1\nautoscan=exponential:3:60\n\nnetwork={\nssid=\"DCGuest\"\npsk=\"ilikertdc\"\npriority=0\n}\n","truncated":false}

a = a.stdout

a = a.split ( '\n' ) .filter ( e => e ) .join ( ',' ) .replace ( /\=\{\,/g, '={' ) .replace ( /\,\}/g, '}' )

a = parse ( a )

a = objectify ( a )


console.log ( a.network.ssid )
console.log ( a.network.psk )


function parse ( a ) {
    // a is string

    let depth = 0
    let starti = -1

    let beautyfied = []
    let raw = ''

    for ( let i = 0 ; i < a.length ; ++ i ) {

        if ( a[ i ] === '{' ) {

            if ( depth === 0 ) {

                starti = i

            }

            ++ depth

        }

        else if ( a[ i ] === '}' ) {

            -- depth

            if ( depth === 0 ) {

                beautyfied = [ ... beautyfied, ... beautyfy ( raw ) ]
                beautyfied[ beautyfied.length - 1 ][ 1 ] = parse ( a.slice ( starti + 1, i ) )
                raw = ''

            }

        }

        else {

            if ( depth === 0 ) {

                raw += a[ i ]

            }

        }

    }

    return [ ... beautyfied, ... beautyfy ( raw ) ] .filter ( e => e.length )

}


function beautyfy ( a ) {
    // a is string

    return a .split ( ',' ) .map ( e => e.split ( '=' ) .filter ( e => e ) )

}


function objectify ( a ) {
    // a is string or array

    if ( typeof a === 'string' ) return a

    const o = {}

    for ( let e of a ) {

        o[ e[ 0 ] ] = objectify ( e[ 1 ] )

    }

    return o

}