build: Modernize eslint

Author: manthey

.eslintignore

@@ -0,0 +1,82 @@
+var neostandard = require('neostandard');
+// var globals = require("globals");
+// import globals from "globals";
+const globals = require('globals');
+
+module.exports = [
+  ...neostandard({
+    semi: true
+  }), {
+    languageOptions: {
+      globals: {
+        ...globals.browser,
+        sinon: true
+      }
+    },
+    rules: {
+      '@stylistic/indent': ['error', 2, {
+        CallExpression: {arguments: 'first'},
+        MemberExpression: 'off',
+        SwitchCase: 1,
+        VariableDeclarator: 2
+      }],
+      '@stylistic/key-spacing': 'off',
+      '@stylistic/multiline-ternary': 'off',
+      '@stylistic/no-multi-spaces': 'off',
+      '@stylistic/object-curly-newline': 'off',
+      '@stylistic/object-curly-spacing': 'off',
+      '@stylistic/object-shorthand': 'off',
+      '@stylistic/operator-linebreak': 'off',
+      '@stylistic/padded-blocks': 'off',
+      '@stylistic/space-before-function-paren': ['error', {anonymous: 'always', named: 'never'}],
+      '@stylistic/spaced-comment': 'off',
+      camelcase: 'off',
+      'new-cap': 'off',
+      'no-loss-of-precision': 'off',
+      'no-prototype-builtins': 'off',
+      'no-throw-literal': 'off',
+      'no-unneeded-ternary': 'off',
+      'no-useless-call': 'off',
+      'no-var': 'off',
+      'object-shorthand': 'off',
+      'one-var': 'off',
+      yoda: 'off'
+    }
+  }, {
+    files: ['examples/**', 'tutorials/**'],
+    languageOptions: {
+      globals: {
+        ...globals.browser,
+        $: true,
+        CodeMirror: true,
+        d3: true,
+        geo: true,
+        sinon: true
+      }
+    },
+    rules: {
+    }
+  }, {
+    files: ['tests/**'],
+    languageOptions: {
+      globals: {
+        ...globals.jasmine,
+        sinon: true
+      }
+    },
+    rules: {
+    }
+  }, {
+    ignores: [
+      'src/util/distanceGrid.js',
+      'dist/**',
+      'website/**',
+      '**/*.min.js',
+      'jsdoc/template/publish.js',
+      'jsdoc/template/static/**',
+      'jsdoc/template/tmpl/**',
+      '_build/**',
+      'docs/_build/**',
+    ]
+  }
+];