chore: replace ESLint with Oxlint

.github/workflows/lint-build-test.yml

@@ -110,8 +110,8 @@ jobs:
             exit 1
           fi
 
-  lint-eslint:
-    name: Lint (lint:eslint)
+  lint-oxlint:
+    name: Lint (lint:oxlint)
     runs-on: ubuntu-latest
     if: needs.prepare.outputs.changed-paths != '[]'
     needs: prepare
@@ -126,19 +126,7 @@ jobs:
           persist-credentials: false
           node-version: ${{ matrix.node-version }}
       - name: Lint
-        run: |
-          if [[ "$CHANGED_PATHS" == "full" ]]; then
-            echo "Running ESLint on all packages."
-            echo ""
-            yarn lint:eslint
-          else
-            echo "Running ESLint on:"
-            echo "$CHANGED_PATHS" | jq -r '"- " + .[]'
-            echo ""
-            echo "$CHANGED_PATHS" | jq -r '.[]' | xargs yarn lint:eslint
-          fi
-        env:
-          CHANGED_PATHS: ${{ needs.prepare.outputs.changed-paths }}
+        run: yarn lint:oxlint
       - name: Require clean working directory
         shell: bash
         run: |

AGENTS.md

@@ -62,14 +62,14 @@ The monorepo uses a hierarchical configuration approach for different tools. For
 - `jest.config.scripts.js` defines shared Jest settings for all directories in `scripts/`.
 - `packages/**/jest.config.js` (and `scripts/create-package/package-template/jest.config.js`) customizes Jest settings for each package.
 
-#### ESLint
+#### Oxlint
 
-- `eslint.config.mjs` configures ESLint for the entire monorepo.
-- `eslint-suppressions.json` isn't a config file per se, but defines ESLint errors that are being ignored (temporarily).
+- `oxlint.config.ts` configures Oxlint for the entire monorepo.
+- `oxlint-suppressions.json` isn't a config file per se, but defines Oxlint errors that are being ignored (temporarily).
 
-#### Prettier
+#### Oxfmt
 
-- `.prettierrc.js` configures Prettier for the entire repo.
+- `.oxfmtrc.json` configures Oxlint for the entire repo.
 
 #### TypeDoc
 

docs/processes/linting-and-formatting.md

@@ -1,8 +1,8 @@
 # Linting and formatting code
 
-[ESLint](https://eslint.org) v9 (via [MetaMask's shared ESLint configurations](https://github.com/MetaMask/eslint-config)) is used to check for code quality issues, and [Prettier](https://prettier.io/docs/en/) is used to format files.
+[Oxlint](https://oxc.rs/docs/guide/usage/linter) v1 (via [MetaMask's shared Oxlint configurations](https://github.com/MetaMask/oxlint-config)) is used to check for code quality issues, and [Oxfmt](https://oxc.rs/docs/guide/usage/formatter) is used to format files.
 
-If you need to customize the behavior of ESLint, see `eslint.config.mjs` in the root.
+If you need to customize the behavior of Oxlint, see `oxlint.config.ts` in the root.
 
 - Run `yarn lint` to lint all files and show possible violations across the monorepo.
 - Run `yarn lint:fix` to fix any automatically fixable violations.