typescript-eslint · JoshuaKGoldberg · Mar 2, 2022 · Feb 22, 2022 · Feb 22, 2022 · Feb 22, 2022
diff --git a/jest.config.base.js b/jest.config.base.js
@@ -0,0 +1,21 @@
+'use strict';
+
+// @ts-check
+/** @type {import('@jest/types').Config.InitialOptions} */
+module.exports = {
+  collectCoverage: false,
+  collectCoverageFrom: ['src/**/*.{js,jsx,ts,tsx}'],
+  coverageReporters: ['text-summary', 'lcov'],
+  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
+  resolver: '<rootDir>/../../tests/jest-resolver.js',
+  transform: {
+    '^.+\\.(t|j)sx?$': [
+      '@swc/jest',
+      {
+        jsc: {
+          target: 'es2019',
+        },
+      },
+    ],
+  },
+};
diff --git a/package.json b/package.json
@@ -55,16 +55,14 @@
     "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
   },
   "devDependencies": {
-    "@babel/code-frame": "^7.16.0",
-    "@babel/parser": "^7.16.4",
-    "@babel/types": "^7.16.0",
     "@commitlint/cli": "^16.0.1",
     "@commitlint/config-conventional": "^16.0.0",
     "@nrwl/cli": "13.0.2",
     "@nrwl/nx-cloud": "12.5.1",
     "@nrwl/tao": "13.0.2",
     "@nrwl/workspace": "13.0.2",
-    "@types/babel__code-frame": "^7.0.3",
+    "@swc/core": "^1.2.143",
+    "@swc/jest": "^0.2.17",
     "@types/debug": "^4.1.7",
     "@types/eslint-visitor-keys": "^1.0.0",
     "@types/glob": "^7.2.0",
@@ -81,6 +79,7 @@
     "@types/tmp": "^0.2.2",
     "all-contributors-cli": "^6.20.0",
     "cross-env": "^7.0.3",
+    "cross-fetch": "^3.1.4",
     "cspell": "^5.12.3",
     "cz-conventional-changelog": "^3.3.0",
     "downlevel-dts": "^0.9.0",
@@ -100,12 +99,10 @@
     "make-dir": "^3.1.0",
     "markdownlint-cli": "^0.29.0",
     "ncp": "^2.0.0",
-    "cross-fetch": "^3.1.4",
     "prettier": "^2.5.0",
     "pretty-format": "^27.3.1",
     "rimraf": "^3.0.2",
     "tmp": "^0.2.1",
-    "ts-jest": "^27.0.5",
     "ts-node": "^10.4.0",
     "tslint": "^6.1.3",
     "typescript": ">=3.3.1 <4.6.0"

diff --git a/packages/ast-spec/jest.config.js b/packages/ast-spec/jest.config.js
@@ -3,18 +3,6 @@
 // @ts-check
 /** @type {import('@jest/types').Config.InitialOptions} */
 module.exports = {
-  globals: {
-    'ts-jest': {
-      isolatedModules: true,
-    },
-  },
-  testEnvironment: 'node',
-  transform: {
-    ['^.+\\.tsx?$']: 'ts-jest',
-  },
+  ...require('../../jest.config.base.js'),
   testRegex: ['./tests/.+\\.test\\.ts$'],
-  collectCoverage: false,
-  collectCoverageFrom: ['src/**/*.{js,jsx,ts,tsx}'],
-  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
-  coverageReporters: ['text-summary', 'lcov'],
 };
diff --git a/packages/eslint-plugin-internal/jest.config.js b/packages/eslint-plugin-internal/jest.config.js
@@ -3,19 +3,6 @@
 // @ts-check
 /** @type {import('@jest/types').Config.InitialOptions} */
 module.exports = {
-  resolver: '<rootDir>/../../tests/jest-resolver.js',
-  globals: {
-    'ts-jest': {
-      isolatedModules: true,
-    },
-  },
-  testEnvironment: 'node',
-  transform: {
-    '^.+\\.tsx?$': 'ts-jest',
-  },
+  ...require('../../jest.config.base.js'),
   testRegex: './tests/.+\\.test\\.ts$',
-  collectCoverage: false,
-  collectCoverageFrom: ['src/**/*.{js,jsx,ts,tsx}'],
-  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
-  coverageReporters: ['text-summary', 'lcov'],
 };
diff --git a/packages/eslint-plugin-tslint/jest.config.js b/packages/eslint-plugin-tslint/jest.config.js
@@ -3,19 +3,6 @@
 // @ts-check
 /** @type {import('@jest/types').Config.InitialOptions} */
 module.exports = {
-  resolver: '<rootDir>/../../tests/jest-resolver.js',
-  globals: {
-    'ts-jest': {
-      isolatedModules: true,
-    },
-  },
-  testEnvironment: 'node',
-  transform: {
-    '^.+\\.tsx?$': 'ts-jest',
-  },
+  ...require('../../jest.config.base.js'),
   testRegex: './tests/.+\\.spec\\.ts$',
-  collectCoverage: false,
-  collectCoverageFrom: ['src/**/*.{js,jsx,ts,tsx}'],
-  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
-  coverageReporters: ['text-summary', 'lcov'],
 };
diff --git a/packages/eslint-plugin/jest.config.js b/packages/eslint-plugin/jest.config.js
@@ -3,19 +3,7 @@
 // @ts-check
 /** @type {import('@jest/types').Config.InitialOptions} */
 module.exports = {
-  resolver: '<rootDir>/../../tests/jest-resolver.js',
-  globals: {
-    'ts-jest': {
-      isolatedModules: true,
-    },
-  },
-  testEnvironment: 'node',
-  transform: {
-    '^.+\\.tsx?$': 'ts-jest',
-  },
+  ...require('../../jest.config.base.js'),
   testRegex: './tests/.+\\.test\\.ts$',
-  collectCoverage: false,
-  collectCoverageFrom: ['src/**/*.{js,jsx,ts,tsx}'],
-  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
   coverageReporters: ['text-summary', 'lcov'],
 };
diff --git a/packages/eslint-plugin/src/rules/consistent-type-definitions.ts b/packages/eslint-plugin/src/rules/consistent-type-definitions.ts
@@ -85,57 +85,54 @@ export default util.createRule({
       }),
       ...(option === 'type' && {
         TSInterfaceDeclaration(node): void {
+          const fix = isCurrentlyTraversedNodeWithinModuleDeclaration()
+            ? null
+            : (fixer: TSESLint.RuleFixer): TSESLint.RuleFix[] => {
+                const typeNode = node.typeParameters ?? node.id;
+                const fixes: TSESLint.RuleFix[] = [];
+
+                const firstToken = sourceCode.getTokenBefore(node.id);
+                if (firstToken) {
+                  fixes.push(fixer.replaceText(firstToken, 'type'));
+                  fixes.push(
+                    fixer.replaceTextRange(
+                      [typeNode.range[1], node.body.range[0]],
+                      ' = ',
+                    ),
+                  );
+                }
+
+                if (node.extends) {
+                  node.extends.forEach(heritage => {
+                    const typeIdentifier = sourceCode.getText(heritage);
+                    fixes.push(
+                      fixer.insertTextAfter(node.body, ` & ${typeIdentifier}`),
+                    );
+                  });
+                }
+
+                if (
+                  node.parent?.type === AST_NODE_TYPES.ExportDefaultDeclaration
+                ) {
+                  fixes.push(
+                    fixer.removeRange([node.parent.range[0], node.range[0]]),
+                    fixer.insertTextAfter(
+                      node.body,
+                      `\nexport default ${node.id.name}`,
+                    ),
+                  );
+                }
+
+                return fixes;
+              };
           context.report({
             node: node.id,
             messageId: 'typeOverInterface',
             /**
              * remove automatically fix when the interface is within a declare global
              * @see {@link https://github.com/typescript-eslint/typescript-eslint/issues/2707}
              */
-            fix: isCurrentlyTraversedNodeWithinModuleDeclaration()
-              ? null
-              : (fixer): TSESLint.RuleFix[] => {
-                  const typeNode = node.typeParameters ?? node.id;
-                  const fixes: TSESLint.RuleFix[] = [];
-
-                  const firstToken = sourceCode.getTokenBefore(node.id);
-                  if (firstToken) {
-                    fixes.push(fixer.replaceText(firstToken, 'type'));
-                    fixes.push(
-                      fixer.replaceTextRange(
-                        [typeNode.range[1], node.body.range[0]],
-                        ' = ',
-                      ),
-                    );
-                  }
-
-                  if (node.extends) {
-                    node.extends.forEach(heritage => {
-                      const typeIdentifier = sourceCode.getText(heritage);
-                      fixes.push(
-                        fixer.insertTextAfter(
-                          node.body,
-                          ` & ${typeIdentifier}`,
-                        ),
-                      );
-                    });
-                  }
-
-                  if (
-                    node.parent?.type ===
-                    AST_NODE_TYPES.ExportDefaultDeclaration
-                  ) {
-                    fixes.push(
-                      fixer.removeRange([node.parent.range[0], node.range[0]]),
-                      fixer.insertTextAfter(
-                        node.body,
-                        `\nexport default ${node.id.name}`,
-                      ),
-                    );
-                  }
-
-                  return fixes;
-                },
+            fix,
           });
         },
       }),