What about just wrapping the code in a block: `"{"+actual_source+"}"` Let
and const will stay in the block while var will float out to the global
scope.On Tue, Apr 12, 2022 at 1:48 AM Robbie McElrath <rmcelr...@chromium.org> wrote: > Hello! > > I'm trying to implement a replacement for the eval call > <https://source.chromium.org/chromium/chromium/src/+/main:content/public/test/browser_test_utils.cc;l=1826;drc=7fb345a0da63049b102e1c0bcdc8d7831110e324> > in > EvalJs that won't be blocked by CSP. To do this, I'm reimplementing the JS > wrapper (see the previous link) in C++ and having the ClassicScript run the > test-provided JS unmodified without an eval. > > This mostly works, but the scoping behavior is different than eval's, > which is causing issues. I want vars to be defined in the global scope, but > let/const to be scoped to the JS being executed. I tried creating a new > Context that shared a global object with the existing one (my understanding > is that scopes map to Contexts), but Chrome was unhappy about defining a > new Context for the main world, and I'm not sure that would make vars > behave correctly. > > Is there a way to get the scoping behavior I want, or a better approach to > work around CSP? > > > Thanks! > Robbie > > -- > -- > v8-users mailing list > v8-users@googlegroups.com > http://groups.google.com/group/v8-users > --- > You received this message because you are subscribed to the Google Groups > "v8-users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to v8-users+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/v8-users/CANtkjcRi8O3Z9aPzeEX0sFPmCfdhbB1%2Bp-zKnYVnFHnry1D3NA%40mail.gmail.com > <https://groups.google.com/d/msgid/v8-users/CANtkjcRi8O3Z9aPzeEX0sFPmCfdhbB1%2Bp-zKnYVnFHnry1D3NA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- -- v8-users mailing list v8-users@googlegroups.com http://groups.google.com/group/v8-users --- You received this message because you are subscribed to the Google Groups "v8-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to v8-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/v8-users/CANS-YRpu%2Bvd0YTXSSFQ__1e4nNsxPC45LUOsMQ2O8KKrcufRZw%40mail.gmail.com.
