Get path to main with require.resolve

package.json

@@ -85,6 +85,7 @@
     "has": "^1.0.1",
     "lodash.cond": "^4.3.0",
     "minimatch": "^3.0.3",
+    "pkg-up": "^1.0.0",
     "read-pkg-up": "^2.0.0"
   },
   "nyc": {

src/rules/no-import-module-exports.js

@@ -1,16 +1,10 @@
 import minimatch from 'minimatch'
 import path from 'path'
-import readPkgUp from 'read-pkg-up'
+import pkgUp from 'pkg-up'
 
 function getEntryPoint(context) {
-  try {
-    const pkg = readPkgUp.sync({cwd: context.getFilename(), normalize: false})
-    return pkg && pkg.pkg
-      ? path.join(process.cwd(), pkg.pkg.main)
-      : null
-  } catch (e) {
-    return null
-  }
+  const pkgPath = pkgUp.sync(context.getFilename())
+  return require.resolve(path.dirname(pkgPath))
 }
 
 module.exports = {

tests/files/package.json

@@ -1,6 +1,6 @@
 {
   "dummy": true,
-  "main": "tests/files/lib/main.js",
+  "main": "src-root/src-bar.js",
   "devDependencies": {
     "glob": "1.0.0",
     "eslint": "2.x"

tests/src/rules/no-import-module-exports.js

@@ -47,7 +47,7 @@ ruleTester.run('no-import-module-exports', rule, {
       `,
       // When the file matches the entry point defined in package.json
       // See tests/files/package.json
-      filename: path.join(process.cwd(), 'tests/files/lib/main.js'),
+      filename: path.join(process.cwd(), 'tests/files/src-root/src-bar.js'),
     }),
     test({
       code: `
@@ -95,7 +95,7 @@ ruleTester.run('no-import-module-exports', rule, {
       `,
       // When the file does not match the entry point defined in package.json
       // See tests/files/package.json
-      filename: path.join(process.cwd(), 'tests/files/not/lib/main.js'),
+      filename: path.join(process.cwd(), 'tests/files/not/src-root/src-bar.js'),
       errors: [error],
     }),
     test({