update

node_modules/nunjucks/.eslintrc.js

@@ -0,0 +1,52 @@
+module.exports = {
+  'extends': [
+    'airbnb-base/legacy',
+  ],
+  'parserOptions': {
+    'sourceType': 'module',
+    'ecmaVersion': 2017,
+  },
+  'env': {
+    'node': true,
+    'es6': true,
+  },
+  "rules": {
+    // The one assertion of personal preference: no spaces before parentheses
+    // of anonymous functions
+    'space-before-function-paren': ['error', {
+      anonymous: 'never',
+      named: 'never',
+      asyncArrow: 'always',
+    }],
+    // Temporarily disabled rules
+    //
+    // no-use-before-define is a good rule, but it would make the diff for
+    // linting the code even more inscrutible than it already is.
+    'no-use-before-define': 'off',
+    // Relax some rules
+    'no-cond-assign': ['error', 'except-parens'],
+    'no-unused-vars': ['error', {
+      'args': 'none',
+    }],
+    // Disable some overly-strict airbnb style rules
+    'no-underscore-dangle': 'off',
+    'no-param-reassign': 'off',
+    'class-methods-use-this': 'off',
+    'function-paren-newline': 'off',
+    'no-plusplus': 'off',
+    'object-curly-spacing': 'off',
+    'no-multi-assign': 'off',
+    'no-else-return': 'off',
+    // While technically useless from the point of view of the regex parser,
+    // escaping characters inside character classes is more consistent. I
+    // would say that they make the regular expression more readable, if the
+    // idea of readable regular expressions wasn't absurd on its face.
+    'no-useless-escape': 'off',
+    // I'm inclined to reverse this rule to be ['error', 'always'], but not just yet
+    // IE 8 is a thing of the past and trailing commas are useful.
+    'comma-dangle': 'off',
+  },
+  'globals': {
+    'nunjucks': false,
+  },
+};