feat: add no-unused-exports rule

.README/README.md

@@ -92,6 +92,7 @@ See [ESLint documentation](https://eslint.org/docs/user-guide/configuring/config
 {"gitdown": "include", "file": "./rules/id-match.md"}
 {"gitdown": "include", "file": "./rules/import-specifier-newline.md"}
 {"gitdown": "include", "file": "./rules/no-restricted-strings.md"}
+{"gitdown": "include", "file": "./rules/no-unused-exports.md"}
 {"gitdown": "include", "file": "./rules/no-use-extend-native.md"}
 {"gitdown": "include", "file": "./rules/prefer-import-alias.md"}
 {"gitdown": "include", "file": "./rules/prefer-inline-type-import.md"}

.README/rules/no-unused-exports.md

@@ -0,0 +1,13 @@
+### `no-unused-exports`
+
+Identifies unused exports.
+
+> **Note** This rule uses [`ts-unused-exports`](https://github.com/pzavolinsky/ts-unused-exports) program behind the scenes.
+
+#### Options
+
+|Config|Type|Description|
+|---|---|---|
+|`tsConfigPath`|string|Path to [tsconfig.json](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html)]
+
+<!-- assertions noUnusedExports -->

README.md

@@ -305,6 +305,24 @@ Disallow specified strings.
 
 The 1st option is an array of strings that cannot be contained in the codebase.
 
+<a name="user-content-eslint-plugin-canonical-rules-no-unused-exports"></a>
+<a name="eslint-plugin-canonical-rules-no-unused-exports"></a>
+### <code>no-unused-exports</code>
+
+Identifies unused exports.
+
+> **Note** This rule uses [`ts-unused-exports`](https://github.com/pzavolinsky/ts-unused-exports) program behind the scenes.
+
+<a name="user-content-eslint-plugin-canonical-rules-no-unused-exports-options-2"></a>
+<a name="eslint-plugin-canonical-rules-no-unused-exports-options-2"></a>
+#### Options
+
+|Config|Type|Description|
+|---|---|---|
+|`tsConfigPath`|string|Path to [tsconfig.json](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html)]
+
+
+
 <a name="user-content-eslint-plugin-canonical-rules-no-use-extend-native"></a>
 <a name="eslint-plugin-canonical-rules-no-use-extend-native"></a>
 ### <code>no-use-extend-native</code>
@@ -382,8 +400,8 @@ Note: This rule is equivalent to [`sort-keys`](https://eslint.org/docs/rules/sor
 
 This rule requires identifiers in assignments and `function` definitions to match a specified regular expression.
 
-<a name="user-content-eslint-plugin-canonical-rules-sort-keys-options-2"></a>
-<a name="eslint-plugin-canonical-rules-sort-keys-options-2"></a>
+<a name="user-content-eslint-plugin-canonical-rules-sort-keys-options-3"></a>
+<a name="eslint-plugin-canonical-rules-sort-keys-options-3"></a>
 #### Options
 
 The 1st option is "asc" or "desc".

package.json

@@ -11,6 +11,7 @@
     "is-proto-prop": "^2.0.0",
     "lodash": "^4.17.21",
     "natural-compare": "^1.4.0",
+    "ts-unused-exports": "^9.0.3",
     "xregexp": "^5.1.1"
   },
   "description": "Canonical linting rules for ESLint.",

src/index.ts

@@ -7,6 +7,7 @@ import filenameNoIndex from './rules/filenameNoIndex';
 import idMatch from './rules/idMatch';
 import importSpecifierNewline from './rules/importSpecifierNewline';
 import noRestrictedStrings from './rules/noRestrictedStrings';
+import noUnusedExports from './rules/noUnusedExports';
 import noUseExtendNative from './rules/noUseExtendNative';
 import preferImportAlias from './rules/preferImportAlias';
 import preferInlineTypeImport from './rules/preferInlineTypeImport';
@@ -26,6 +27,7 @@ export = {
     'id-match': idMatch,
     'import-specifier-newline': importSpecifierNewline,
     'no-restricted-strings': noRestrictedStrings,
+    'no-unused-exports': noUnusedExports,
     'no-use-extend-native': noUseExtendNative,
     'prefer-import-alias': preferImportAlias,
     'prefer-inline-type-import': preferInlineTypeImport,