🐛 bug: support no have tsconfig (#51)

* 🐛 bug: support no have tsconfig

* add commet

* fix test

Author: chenshuai2144

src/eslint.ts

@@ -1,16 +1,33 @@
 /** @format */
 
 import * as path from 'path';
+import * as fs from 'fs';
 
-const eslintFolder = path.join(path.dirname(require.resolve('eslint')), '..');
-
-const moduleResolverPath = path.join(eslintFolder, 'lib/shared/relative-module-resolver');
-const ModuleResolver = require(moduleResolverPath);
-
-ModuleResolver.resolve = function(moduleName: string) {
-  return require.resolve(moduleName);
+let parserOptions: {
+  tsconfigRootDir?: string;
+  project?: string;
+  createDefaultProgram?: boolean;
+} = {
+  project: './tsconfig.json',
 };
 
+if (!fs.existsSync(path.join(process.env.PWD || '.', './tsconfig.json'))) {
+  parserOptions = {
+    tsconfigRootDir: __dirname,
+    project: './tsconfig.json',
+    /**
+     * parserOptions.createDefaultProgram
+     * Default .false
+     * This option allows you to request that when the setting is specified,
+     * files will be allowed when not included in the projects defined by the provided files.
+     * Using this option will incur significant performance costs.
+     * This option is primarily included for backwards-compatibility.
+     * See the project section above for more information.projecttsconfig.json
+     */
+    createDefaultProgram: true,
+  };
+}
+
 module.exports = {
   extends: [
     'airbnb',
@@ -115,7 +132,5 @@ module.exports = {
     'import/resolver': { node: { extensions: ['.js', '.jsx', '.ts', '.tsx', '.d.ts'] } },
     polyfills: ['fetch', 'Promise', 'URL', 'object-assign'],
   },
-  parserOptions: {
-    project: './tsconfig.json',
-  },
+  parserOptions,
 };

src/tsconfig.json

@@ -0,0 +1,26 @@
+{
+  "compilerOptions": {
+    "outDir": "build/dist",
+    "module": "esnext",
+    "target": "esnext",
+    "lib": ["esnext", "dom"],
+    "sourceMap": true,
+    "baseUrl": ".",
+    "jsx": "react",
+    "allowSyntheticDefaultImports": true,
+    "moduleResolution": "node",
+    "forceConsistentCasingInFileNames": true,
+    "noImplicitReturns": true,
+    "suppressImplicitAnyIndexErrors": true,
+    "noUnusedLocals": true,
+    "allowJs": true,
+    "skipLibCheck": true,
+    "experimentalDecorators": true,
+    "strict": true,
+    "paths": {
+      "@/*": ["./src/*"],
+      "@@/*": ["./src/.umi/*"]
+    }
+  },
+  "exclude": ["node_modules", "build", "dist", "scripts", "src/.umi/*", "webpack", "jest"]
+}

tsconfig.json

@@ -6,6 +6,7 @@
     "lib": ["esnext", "dom"],
     "baseUrl": ".",
     "jsx": "react",
+    "resolveJsonModule": true,
     "allowSyntheticDefaultImports": true,
     "moduleResolution": "node",
     "forceConsistentCasingInFileNames": true,
@@ -29,5 +30,6 @@
     "tslint:latest",
     "tslint-config-prettier",
     "example/**"
-  ]
+  ],
+  "include": ["src/*.json", "src/*.ts"]
 }