Replace Jest with Vitest 2 (#4728)

.github/workflows/test-all.yml

@@ -61,7 +61,7 @@ jobs:
       - name: Upload coverage reports to Codecov
         uses: codecov/codecov-action@v5
         with:
-          files: ${{ github.workspace }}/coverage/jest/codecov.json
+          files: ${{ github.workspace }}/coverage/vitest/unit/coverage-final.json
           verbose: true
           token: ${{ secrets.CODECOV_TOKEN }}
           disable_search: true
@@ -92,7 +92,7 @@ jobs:
         if: '!cancelled()'
         uses: codecov/codecov-action@v5
         with:
-          files: ${{ github.workspace }}/coverage/jest/codecov.json
+          files: ${{ github.workspace }}/coverage/vitest/integration/coverage-final.json
           verbose: true
           token: ${{ secrets.CODECOV_TOKEN }}
           disable_search: true

.vscode/settings.json

@@ -14,6 +14,5 @@
   },
   "[typescriptreact]": {
     "editor.defaultFormatter": "dbaeumer.vscode-eslint"
-  },
-  "jest.jestCommandLine": "jest",
-}
+  }
+}

eslint.config.js

@@ -1,7 +1,7 @@
 import typescriptEslint from '@typescript-eslint/eslint-plugin';
 import stylisticTs from '@stylistic/eslint-plugin-ts'
 import tsdoc from 'eslint-plugin-tsdoc';
-import jest from 'eslint-plugin-jest';
+import vitest from 'eslint-plugin-vitest';
 import globals from 'globals';
 import tsParser from '@typescript-eslint/parser';
 import react from 'eslint-plugin-react';
@@ -18,7 +18,7 @@ export default [
             '@typescript-eslint': typescriptEslint,
             '@stylistic': stylisticTs,
             tsdoc,
-            jest,
+            vitest,
         },
 
         linterOptions: {
@@ -101,23 +101,7 @@ export default [
                 max: 1,
             }],
 
-            'tsdoc/syntax': 'warn',
-            'jest/no-commented-out-tests': 'error',
-            'jest/no-disabled-tests': 'warn',
-            'jest/no-focused-tests': 'error',
-            'jest/prefer-to-contain': 'warn',
-            'jest/prefer-to-have-length': 'warn',
-            'jest/valid-expect': 'error',
-            'jest/prefer-to-be': 'warn',
-            'jest/no-alias-methods': 'warn',
-            'jest/no-interpolation-in-snapshots': 'warn',
-
-            'jest/no-large-snapshots': ['warn', {
-                maxSize: 50,
-                inlineMaxSize: 20,
-            }],
-
-            'jest/no-deprecated-functions': 'warn',
+            'tsdoc/syntax': 'warn'
         },
     },
     {
@@ -155,5 +139,4 @@ export default [
             },
         },
     },
-
 ];