Use lazy-req to only load modules when needed

Author: Arcanemagus

lib/index.js

@@ -2,12 +2,14 @@
 
 // eslint-disable-next-line import/extensions, import/no-extraneous-dependencies
 import { CompositeDisposable } from 'atom';
-import fs from 'fs';
-import path from 'path';
-import { findAsync, rangeFromLineNumber } from 'atom-linter';
-import stripJSONComments from 'strip-json-comments';
+import { readFile as fsReadFile } from 'fs';
+import { dirname } from 'path';
 
-const readFile = require('tiny-promisify')(fs.readFile);
+const lazyReq = require('lazy-req')(require);
+
+const { findAsync, rangeFromLineNumber } = lazyReq('atom-linter')('findAsync', 'rangeFromLineNumber');
+const stripJSONComments = lazyReq('strip-json-comments');
+const tinyPromisify = lazyReq('tiny-promisify');
 
 const grammarScopes = [];
 
@@ -30,13 +32,14 @@ export function deactivate() {
 }
 
 const getConfig = async (filePath) => {
-  const configPath = await findAsync(path.dirname(filePath), '.htmlhintrc');
+  const readFile = tinyPromisify()(fsReadFile);
+  const configPath = await findAsync(dirname(filePath), '.htmlhintrc');
   let conf = null;
   if (configPath !== null) {
     conf = await readFile(configPath, 'utf8');
   }
   if (conf) {
-    return JSON.parse(stripJSONComments(conf));
+    return JSON.parse(stripJSONComments()(conf));
   }
   return null;
 };

package.json

@@ -47,6 +47,7 @@
     "atom-linter": "^8.0.0",
     "atom-package-deps": "^4.0.1",
     "htmlhint": "0.9.13",
+    "lazy-req": "^1.1.0",
     "strip-json-comments": "^2.0.1",
     "tiny-promisify": "^0.1.1"
   },