Refactor to a default export

Bring everything into a ES2016 Module export.

Author: Arcanemagus

lib/index.js

@@ -11,26 +11,6 @@ const { findAsync, generateRange } = lazyReq('atom-linter')('findAsync', 'genera
 const stripJSONComments = lazyReq('strip-json-comments');
 const tinyPromisify = lazyReq('tiny-promisify');
 
-const grammarScopes = [];
-
-let subscriptions;
-
-export function activate() {
-  require('atom-package-deps').install('linter-htmlhint');
-
-  subscriptions = new CompositeDisposable();
-  subscriptions.add(atom.config.observe('linter-htmlhint.enabledScopes', (scopes) => {
-    // Remove any old scopes
-    grammarScopes.splice(0, grammarScopes.length);
-    // Add the current scopes
-    Array.prototype.push.apply(grammarScopes, scopes);
-  }));
-}
-
-export function deactivate() {
-  subscriptions.dispose();
-}
-
 const getConfig = async (filePath) => {
   const readFile = tinyPromisify()(fsReadFile);
   const configPath = await findAsync(dirname(filePath), '.htmlhintrc');
@@ -44,45 +24,65 @@ const getConfig = async (filePath) => {
   return null;
 };
 
-export function provideLinter() {
-  return {
-    name: 'htmlhint',
-    grammarScopes,
-    scope: 'file',
-    lintOnFly: true,
-    lint: async (editor) => {
-      if (!atom.workspace.isTextEditor(editor)) {
-        return null;
-      }
-
-      const filePath = editor.getPath();
-      if (!filePath) {
-        // Invalid path
-        return null;
-      }
-
-      const fileText = editor.getText();
-      if (!fileText) {
-        return [];
+export default {
+  activate() {
+    require('atom-package-deps').install('linter-htmlhint');
+
+    this.grammarScopes = [];
+
+    this.subscriptions = new CompositeDisposable();
+    this.subscriptions.add(atom.config.observe('linter-htmlhint.enabledScopes', (scopes) => {
+      // Remove any old scopes
+      this.grammarScopes.splice(0, this.grammarScopes.length);
+      // Add the current scopes
+      Array.prototype.push.apply(this.grammarScopes, scopes);
+    }));
+  },
+
+  deactivate() {
+    this.subscriptions.dispose();
+  },
+
+  provideLinter() {
+    return {
+      name: 'htmlhint',
+      grammarScopes: this.grammarScopes,
+      scope: 'file',
+      lintOnFly: true,
+      lint: async (editor) => {
+        if (!atom.workspace.isTextEditor(editor)) {
+          return null;
+        }
+
+        const filePath = editor.getPath();
+        if (!filePath) {
+          // Invalid path
+          return null;
+        }
+
+        const fileText = editor.getText();
+        if (!fileText) {
+          return [];
+        }
+
+        const { HTMLHint } = require('htmlhint');
+
+        const ruleset = await getConfig(filePath);
+
+        const messages = HTMLHint.verify(fileText, ruleset || undefined);
+
+        if (editor.getText() !== fileText) {
+          // Editor contents have changed, tell Linter not to update
+          return null;
+        }
+
+        return messages.map(message => ({
+          range: generateRange(editor, message.line - 1, message.col - 1),
+          type: message.type,
+          text: message.message,
+          filePath
+        }));
       }
-
-      const { HTMLHint } = require('htmlhint');
-
-      const ruleset = await getConfig(filePath);
-
-      const messages = HTMLHint.verify(fileText, ruleset || undefined);
-
-      if (editor.getText() !== fileText) {
-        // Editor contents have changed, tell Linter not to update
-        return null;
-      }
-
-      return messages.map(message => ({
-        range: generateRange(editor, message.line - 1, message.col - 1),
-        type: message.type,
-        text: message.message,
-        filePath
-      }));
-    }
-  };
-}
+    };
+  }
+};