Adjusting variables when building custom firmware

Ah the heatshrink technique is nice! :)

I'm still getting memory issues though.

>reset()
=undefined
 ____                 _
|  __|___ ___ ___ _ _|_|___ ___
|  __|_ -| . |  _| | | |   | . |
|____|___|  _|_| |___|_|_|_|___|
         |_| espruino.com
 2v06 (c) 2019 G.Williams
No errors in https://raw.githubusercontent.com/esprui­no/EspruinoDocs/master/devices/MPU6050_D­MP.js. Minified 34114 bytes to 9872 bytes.
No errors. Minified 15565 bytes to 15435 bytes.
>
 ____                 _
|  __|___ ___ ___ _ _|_|___ ___
|  __|_ -| . |  _| | | |   | . |
|____|___|  _|_| |___|_|_|_|___|
         |_| espruino.com
 2v06 (c) 2019 G.Williams
>Uncaught SyntaxError: Got EOF expected '}'
 at line 1 col 13307
...etMemoryBank(b),this.setMem
                              ^
Execution Interrupted
New interpreter error: LOW_MEMORY,MEMORY
> 

and that's with the minification options Esprima(offline) for both modules and editor.

Enabling mangling gives me:

No errors in https://raw.githubusercontent.com/esprui­no/EspruinoDocs/master/devices/MPU6050_D­MP.js. Minified 34114 bytes to 8640 bytes.
No errors. Minified 14333 bytes to 13937 bytes.
>
 ____                 _
|  __|___ ___ ___ _ _|_|___ ___
|  __|_ -| . |  _| | | |   | . |
|____|___|  _|_| |___|_|_|_|___|
         |_| espruino.com
 2v06 (c) 2019 G.Williams
>Uncaught Error: Function "setClockSource" not found!
 at line 1 col 6
this.setClockSource(b.CLOCK_PLL_XGYRO),t­his.setFullScaleAcce...
     ^
in function "initialize" called from line 1 col 103
...AD0_HIGH:a,this.initialize()
                              ^
in function "a" called from line 1 col 10
new a(b,c)
         ^
in function "connect" called from line 1 col 13768
...ire('MPU6050').connect(I2C1);const DMP=require('https://raw....
                              ^
New interpreter error: LOW_MEMORY,MEMORY

and turning on pretokenise:

No errors in https://raw.githubusercontent.com/esprui­no/EspruinoDocs/master/devices/MPU6050_D­MP.js. Minified 34114 bytes to 8640 bytes.
Error parsing JavaScript, but uploading anyway.
SyntaxError: Unexpected token (1:126)
Error: Line 1: Unexpected token {
> 

I'll try playing around with the closure minifiers as well