- Add a new 389737066_migration_lit.js jscodeshift codemod that
automatically updates Lit code as needed.
- Update validate_tsconfig.py to restrict valid values for allowed
flags.
- Add tsconfig_base_lit_389737066.json and
tsconfig_base_polymer_389737066.json configurations for Lit and
Polymer respectively.
In this CL simply adding all the necessary pieces for subsequent CLs
to actually update Lit/Polymer code as needed.
Bug: 389737066
Change-Id: I52120556df27c95d21acff83f95e1afcdf92d2b6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6266790
Commit-Queue: Demetrios Papadopoulos <dpapad@chromium.org>
Reviewed-by: Rebekah Potter <rbpotter@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1422306}
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