Fix linter errors

.eslintrc.js

@@ -13,6 +13,7 @@ module.exports = {
   rules: {
     'consistent-return': 'off',
     'import/no-dynamic-require': 'off',
+    'import/no-extraneous-dependencies': ['error', { optionalDependencies: true }],
     'global-require': 'off',
     'no-bitwise': 'off',
     'no-console': 'off',

lib/rules/miscellaneous/prettier.js

@@ -27,7 +27,7 @@ class Prettier extends BaseChecker {
     this.fileName = fileName
   }
 
-  enterSourceUnit(ctx) {
+  enterSourceUnit() {
     try {
       // Check for optional dependencies with the try catch
       // Prettier is expensive to load, so only load it if needed.

package.json

@@ -34,6 +34,7 @@
     "cosmiconfig": "^5.0.7",
     "eslint": "^5.6.0",
     "fast-diff": "^1.1.2",
+    "glob": "^7.1.3",
     "ignore": "^4.0.6",
     "js-yaml": "^3.12.0",
     "lodash": "^4.17.11",

solhint.js

@@ -17,10 +17,7 @@ function init() {
   program
     .usage('[options] <file> [...other_files]')
     .option('-f, --formatter [name]', 'report formatter name (stylish, table, tap, unix)')
-    .option(
-      '-w, --max-warnings [maxWarningsNumber]',
-      'number of allowed warnings'
-    )
+    .option('-w, --max-warnings [maxWarningsNumber]', 'number of allowed warnings')
     .option('-c, --config [file_name]', 'file to use as your .solhint.json')
     .option('-q, --quiet', 'report errors only - default: false')
     .option('--ignore-path [file_name]', 'file to use as your .solhintignore')

test/rules/security/avoid-low-level-calls.js

@@ -1,9 +1,6 @@
 const linter = require('./../../../lib/index')
 const funcWith = require('./../../common/contract-builder').funcWith
-const {
-  assertWarnsCount,
-  assertErrorMessage
-} = require('./../../common/asserts')
+const { assertWarnsCount, assertErrorMessage } = require('./../../common/asserts')
 
 describe('Linter - avoid-low-level-calls', () => {
   const LOW_LEVEL_CALLS = [