feat: Allow the resolver options to be set in the eslint file (#68)

.babelrc

@@ -2,7 +2,7 @@
   "presets": [
     ["env", {
       "targets": {
-        "node": 4
+        "node": 6
       },
       "loose": true,
       "useBuiltIns": true

.npmrc

@@ -0,0 +1 @@
+package-lock=false

circle.yml

@@ -5,7 +5,7 @@ dependencies:
   cache_directories:
     - ~/.cache/yarn
   pre:
-    - case $CIRCLE_NODE_INDEX in 0) NODE_VERSION=4 ;; 1) NODE_VERSION=6 ;; 2) NODE_VERSION=7 ;; esac; nvm install $NODE_VERSION && nvm alias default $NODE_VERSION
+    - case $CIRCLE_NODE_INDEX in 0) NODE_VERSION=6 ;; 1) NODE_VERSION=7 ;; 2) NODE_VERSION=8 ;; esac; nvm install $NODE_VERSION && nvm alias default $NODE_VERSION
   override:
     - yarn --no-lockfile
 test:

package.json

@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/tleunen/eslint-import-resolver-babel-module.git"
   },
+  "engines": {
+    "node": ">=6.0.0"
+  },
   "files": [
     "lib"
   ],
@@ -30,25 +33,25 @@
   ],
   "dependencies": {
     "pkg-up": "^2.0.0",
-    "resolve": "^1.3.3"
+    "resolve": "^1.4.0"
   },
   "devDependencies": {
-    "babel-cli": "^6.24.1",
-    "babel-core": "^6.24.1",
-    "babel-jest": "^20.0.3",
+    "babel-cli": "^6.26.0",
+    "babel-core": "^6.26.0",
+    "babel-jest": "^21.2.0",
     "babel-plugin-module-resolver": "^3.0.0-beta.0",
-    "babel-plugin-transform-object-rest-spread": "^6.23.0",
-    "babel-preset-env": "^1.4.0",
-    "eslint": "^3.19.0",
-    "eslint-config-airbnb-base": "^11.1.3",
-    "eslint-plugin-import": "^2.2.0",
-    "jest": "^20.0.3",
+    "babel-plugin-transform-object-rest-spread": "^6.26.0",
+    "babel-preset-env": "^1.6.0",
+    "eslint": "^4.8.0",
+    "eslint-config-airbnb-base": "^12.0.2",
+    "eslint-plugin-import": "^2.7.0",
+    "jest": "^21.2.1",
     "lodash": "^4.17.4",
-    "standard-version": "^4.0.0"
+    "standard-version": "^4.2.0"
   },
   "peerDependencies": {
     "babel-core": "^6.0.0",
-    "babel-plugin-module-resolver": ">3.0.0-beta"
+    "babel-plugin-module-resolver": "^3.0.0-beta"
   },
   "scripts": {
     "lint": "eslint src test",
@@ -57,7 +60,7 @@
     "test": "jest --coverage",
     "test:suite": "jest",
     "test:watch": "jest --watch",
-    "prepublish": "npm run compile",
+    "prepare": "npm run compile",
     "release": "standard-version"
   },
   "jest": {

src/index.js

@@ -2,8 +2,8 @@ const path = require('path');
 const resolve = require('resolve');
 const pkgUp = require('pkg-up');
 const targetPlugin = require('babel-plugin-module-resolver').default;
-const resolvePath = require('babel-plugin-module-resolver').resolvePath;
-const OptionManager = require('babel-core').OptionManager;
+const { resolvePath } = require('babel-plugin-module-resolver');
+const { OptionManager } = require('babel-core');
 
 function getPlugins(file, target) {
   try {
@@ -73,7 +73,21 @@ exports.resolve = (source, file, opts) => {
         alias: Object.assign(config.alias, plugin[1] ? plugin[1].alias : {}),
         extensions: plugin[1] && plugin[1].extensions ? plugin[1].extensions : config.extensions,
       }),
-      { root: [], alias: {}, cwd: projectRootDir },
+      {
+        // if .babelrc doesn't exist, try to get the configuration information from `options`,
+        // which gets defined by the eslint configuration file.
+        // e.g. in .eslintrc file
+        // "import/resolver": {
+        //   "babel-module": {
+        //     "root": ["./src"],
+        //     "extensions": [".js", ".jsx"]
+        //   }
+        // }
+        cwd: options.cwd || projectRootDir,
+        root: options.root || [],
+        alias: options.alias || {},
+        extensions: options.extensions || ['.js', '.jsx', '.es', '.es6', '.mjs'],
+      },
     );
 
     const finalSource = stripWebpack(source);

test/index.test.js

@@ -4,7 +4,7 @@
 'use strict';
 
 const path = require('path');
-const OptionManager = require('babel-core').OptionManager;
+const { OptionManager } = require('babel-core');
 const resolverPlugin = require('../src/index');
 
 const opts = {};
@@ -185,6 +185,7 @@ describe('eslint-import-resolver-module-resolver', () => {
 
     beforeEach(() => {
       oldInit = OptionManager.prototype.init;
+      // eslint-disable-next-line prefer-destructuring
       error = console.error;
     });
     afterEach(() => {