feat(deps): bump eslint from 6.6.0 to 6.7.0 (#516)

Bumps [eslint](https://github.com/eslint/eslint) from 6.6.0 to 6.7.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v6.6.0...v6.7.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -35,7 +35,7 @@
     "eslint-restricted-globals": "^0.2.0"
   },
   "devDependencies": {
-    "eslint": "6.6.0",
+    "eslint": "6.7.0",
     "eslint-find-rules": "3.4.0",
     "execa": "3.3.0",
     "prettier": "1.19.1",
@@ -45,7 +45,7 @@
     "ybiq": "9.1.0"
   },
   "peerDependencies": {
-    "eslint": ">=6.6.0 <7",
+    "eslint": ">=6.7.0 <7",
     "prettier": ">=1.19.1 <2",
     "typescript": ">=3.7.2 <4"
   },

rules/core/best-practices.js

@@ -12,12 +12,15 @@ module.exports = {
     "dot-location": ["error", "property"],
     "dot-notation": "error",
     eqeqeq: ["error", "always", { null: "ignore" }],
+    "grouped-accessor-pairs": "error",
     "guard-for-in": "error",
     "max-classes-per-file": ["error", 5],
     "no-alert": "off",
     "no-caller": "error",
     "no-case-declarations": "error",
+    "no-constructor-return": "error",
     "no-div-regex": "off",
+    "no-dupe-else-if": "error",
     "no-else-return": ["error", { allowElseIf: false }],
     "no-empty-function": ["error"],
     "no-empty-pattern": "error",

rules/core/possible-errors.js

@@ -28,6 +28,7 @@ module.exports = {
     "no-obj-calls": "error",
     "no-prototype-builtins": "error",
     "no-regex-spaces": "error",
+    "no-setter-return": "error",
     "no-sparse-arrays": "error",
     "no-template-curly-in-string": "error",
     "no-unexpected-multiline": "error",

rules/core/styles.js

@@ -55,6 +55,7 @@ module.exports = {
     "one-var": "off",
     "operator-assignment": "off",
     "padding-line-between-statements": "off",
+    "prefer-exponentiation-operator": "warn",
     "prefer-object-spread": "error",
     "require-jsdoc": "off",
     "sort-keys": "off",

test/helper.js

@@ -38,8 +38,13 @@ const sandbox = callback => {
     process.chdir(workDir);
     return callback(workDir);
   } catch (err) {
-    const { stderr } = err;
-    if (typeof stderr === "string") {
+    const { stdout, stderr } = err;
+    if (typeof stdout === "string" && stdout !== "") {
+      process.stdout.write(`==================================================${EOL}`);
+      process.stdout.write(`${stdout}${EOL}`);
+      process.stdout.write(`==================================================${EOL}`);
+    }
+    if (typeof stderr === "string" && stderr !== "") {
       process.stderr.write(`==================================================${EOL}`);
       process.stderr.write(`${stderr}${EOL}`);
       process.stderr.write(`==================================================${EOL}`);