chore: use common eslint config for most packages (#4705)

Split from https://github.com/twentyhq/twenty/pull/4518

Related to #4766 

Mutualizes eslint config between projects.
I didn't include `twenty-server` in this PR as this was causing too many
lint errors.

.eslintrc.cjs

@@ -0,0 +1,146 @@
+module.exports = {
+  root: true,
+  extends: ['plugin:prettier/recommended'],
+  plugins: [
+    '@nx',
+    'prefer-arrow',
+    'import',
+    'simple-import-sort',
+    'unused-imports',
+    'unicorn',
+  ],
+  rules: {
+    'func-style': ['error', 'declaration', { allowArrowFunctions: true }],
+    'no-console': ['warn', { allow: ['group', 'groupCollapsed', 'groupEnd'] }],
+    'no-control-regex': 0,
+    'no-duplicate-imports': 'error',
+    'no-undef': 'off',
+    'no-unused-vars': 'off',
+
+    '@nx/enforce-module-boundaries': [
+      'error',
+      {
+        enforceBuildableLibDependency: true,
+        allow: [],
+        depConstraints: [
+          {
+            sourceTag: '*',
+            onlyDependOnLibsWithTags: ['*'],
+          },
+        ],
+      },
+    ],
+
+    'import/no-relative-packages': 'error',
+    'import/no-useless-path-segments': 'error',
+    'import/no-duplicates': ['error', { considerQueryString: true }],
+
+    'prefer-arrow/prefer-arrow-functions': [
+      'error',
+      {
+        disallowPrototype: true,
+        singleReturnOnly: false,
+        classPropertiesAllowed: false,
+      },
+    ],
+
+    'simple-import-sort/imports': [
+      'error',
+      {
+        groups: [
+          ['^react', '^@?\\w'],
+          ['^(@|~|src)(/.*|$)'],
+          ['^\\u0000'],
+          ['^\\.\\.(?!/?$)', '^\\.\\./?$'],
+          ['^\\./(?=.*/)(?!/?$)', '^\\.(?!/?$)', '^\\./?$'],
+          ['^.+\\.?(css)$'],
+        ],
+      },
+    ],
+    'simple-import-sort/exports': 'error',
+
+    'unused-imports/no-unused-imports': 'warn',
+    'unused-imports/no-unused-vars': [
+      'warn',
+      {
+        vars: 'all',
+        varsIgnorePattern: '^_',
+        args: 'after-used',
+        argsIgnorePattern: '^_',
+      },
+    ],
+  },
+  overrides: [
+    {
+      files: ['**/*.ts', '**/*.tsx'],
+      extends: ['plugin:@nx/typescript'],
+      rules: {
+        '@typescript-eslint/ban-ts-comment': 'error',
+        '@typescript-eslint/consistent-type-imports': [
+          'error',
+          { prefer: 'no-type-imports' },
+        ],
+        '@typescript-eslint/explicit-function-return-type': 'off',
+        '@typescript-eslint/explicit-module-boundary-types': 'off',
+        '@typescript-eslint/interface-name-prefix': 'off',
+        '@typescript-eslint/no-empty-function': 'off',
+        '@typescript-eslint/no-empty-interface': [
+          'error',
+          {
+            allowSingleExtends: true,
+          },
+        ],
+        '@typescript-eslint/no-explicit-any': 'off',
+        '@typescript-eslint/no-empty-function': 'off',
+        '@typescript-eslint/no-unused-vars': [
+          'warn',
+          {
+            vars: 'all',
+            varsIgnorePattern: '^_',
+            args: 'after-used',
+            argsIgnorePattern: '^_',
+          },
+        ],
+      },
+    },
+    {
+      files: ['*.js', '*.jsx'],
+      extends: ['plugin:@nx/javascript'],
+      rules: {},
+    },
+    {
+      files: ['*.spec.@(ts|tsx|js|jsx)', '*.test.@(ts|tsx|js|jsx)'],
+      env: {
+        jest: true,
+      },
+      rules: {
+        '@typescript-eslint/no-non-null-assertion': 'off',
+      },
+    },
+    {
+      files: ['**/constants/*.ts', '**/*.constants.ts'],
+      rules: {
+        '@typescript-eslint/naming-convention': [
+          'error',
+          {
+            selector: 'variable',
+            format: ['UPPER_CASE'],
+          },
+        ],
+        'unicorn/filename-case': [
+          'warn',
+          {
+            cases: {
+              pascalCase: true,
+            },
+          },
+        ],
+        '@nx/workspace-max-consts-per-file': ['error', { max: 1 }],
+      },
+    },
+    {
+      files: ['*.json'],
+      parser: 'jsonc-eslint-parser',
+    },
+  ],
+};