[Fix] no-extraneous-dependencies: Add support for export from

Fixes #1049.

Author: marcusdarmstrong

CHANGELOG.md

@@ -4,6 +4,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 This change log adheres to standards from [Keep a CHANGELOG](http://keepachangelog.com).
 
 ## [Unreleased]
+- [`no-extraneous-dependencies`]: Check `export from` ([#1049], thanks [@marcusdarmstrong])
 
 ### Added
 - [`internal-regex`]: regex pattern for marking packages "internal"  ([#1491], thanks [@Librazy])
@@ -691,6 +692,7 @@ for info on changes for earlier releases.
 [#1093]: https://github.com/benmosher/eslint-plugin-import/pull/1093
 [#1085]: https://github.com/benmosher/eslint-plugin-import/pull/1085
 [#1068]: https://github.com/benmosher/eslint-plugin-import/pull/1068
+[#1049]: https://github.com/benmosher/eslint-plugin-import/pull/1049
 [#1046]: https://github.com/benmosher/eslint-plugin-import/pull/1046
 [#944]: https://github.com/benmosher/eslint-plugin-import/pull/944
 [#912]: https://github.com/benmosher/eslint-plugin-import/pull/912
@@ -1022,3 +1024,4 @@ for info on changes for earlier releases.
 [@brettz9]: https://github.com/brettz9
 [@Taranys]: https://github.com/Taranys
 [@maxmalov]: https://github.com/maxmalov
+[@marcusdarmstrong]: https://github.com/marcusdarmstrong

src/rules/no-extraneous-dependencies.js

@@ -205,6 +205,12 @@ module.exports = {
       ImportDeclaration: function (node) {
         reportIfMissing(context, deps, depsOptions, node, node.source.value)
       },
+      ExportNamedDeclaration: function (node) {
+        reportIfMissing(context, deps, depsOptions, node, node.source.value)
+      },
+      ExportAllDeclaration: function (node) {
+        reportIfMissing(context, deps, depsOptions, node, node.source.value)
+      },
       CallExpression: function handleRequires(node) {
         if (isStaticRequire(node)) {
           reportIfMissing(context, deps, depsOptions, node, node.arguments[0].value)

tests/src/rules/no-extraneous-dependencies.js

@@ -122,6 +122,8 @@ ruleTester.run('no-extraneous-dependencies', rule, {
       code: 'import foo from "@generated/foo"',
       options: [{packageDir: packageDirBundledDepsRaceCondition}],
     }),
+    test({ code: 'export { foo } from "lodash.cond"' }),
+    test({ code: 'export * from "lodash.cond"' }),
   ],
   invalid: [
     test({
@@ -319,5 +321,19 @@ ruleTester.run('no-extraneous-dependencies', rule, {
       options: [{packageDir: packageDirBundledDepsRaceCondition}],
       errors: ["'@generated/bar' should be listed in the project's dependencies. Run 'npm i -S @generated/bar' to add it"],
     }),
+    test({
+      code: 'export { foo } from "not-a-dependency";',
+      errors: [{
+        ruleId: 'no-extraneous-dependencies',
+        message: '\'not-a-dependency\' should be listed in the project\'s dependencies. Run \'npm i -S not-a-dependency\' to add it',
+      }],
+    }),
+    test({
+      code: 'export * from "not-a-dependency";',
+      errors: [{
+        ruleId: 'no-extraneous-dependencies',
+        message: '\'not-a-dependency\' should be listed in the project\'s dependencies. Run \'npm i -S not-a-dependency\' to add it',
+      }],
+    }),
   ],
 })