From e13256e395cc413ce45a66c8562621d48440d8f4 Mon Sep 17 00:00:00 2001
From: Kai Cataldo <kai@kaicataldo.com>
Date: Wed, 22 Apr 2020 23:47:04 -0400
Subject: [PATCH] Chore: use espree.latestEcmaVersion in config-initializer
 (#13157)

---
 lib/init/config-initializer.js       | 6 ++----
 tests/lib/init/config-initializer.js | 7 ++++---
 2 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/lib/init/config-initializer.js b/lib/init/config-initializer.js
index 28dfad194a7..70f0a250ad1 100644
--- a/lib/init/config-initializer.js
+++ b/lib/init/config-initializer.js
@@ -15,6 +15,7 @@ const util = require("util"),
     inquirer = require("inquirer"),
     ProgressBar = require("progress"),
     semver = require("semver"),
+    espree = require("espree"),
     recConfig = require("../../conf/eslint-recommended"),
     ConfigOps = require("../shared/config-ops"),
     log = require("../shared/logging"),
@@ -31,8 +32,6 @@ const debug = require("debug")("eslint:config-initializer");
 // Private
 //------------------------------------------------------------------------------
 
-const DEFAULT_ECMA_VERSION = 2018;
-
 /* istanbul ignore next: hard to test fs function */
 /**
  * Create .eslintrc file in the current working directory
@@ -265,8 +264,7 @@ function processAnswers(answers) {
         extends: []
     };
 
-    // set the latest ECMAScript version
-    config.parserOptions.ecmaVersion = DEFAULT_ECMA_VERSION;
+    config.parserOptions.ecmaVersion = espree.latestEcmaVersion;
     config.env.es6 = true;
     config.globals = {
         Atomics: "readonly",
diff --git a/tests/lib/init/config-initializer.js b/tests/lib/init/config-initializer.js
index 3393ae2befa..5f4690adfa8 100644
--- a/tests/lib/init/config-initializer.js
+++ b/tests/lib/init/config-initializer.js
@@ -15,6 +15,7 @@ const assert = require("chai").assert,
     os = require("os"),
     sinon = require("sinon"),
     sh = require("shelljs"),
+    espree = require("espree"),
     autoconfig = require("../../../lib/init/autoconfig"),
     npmUtils = require("../../../lib/init/npm-utils");
 
@@ -138,7 +139,7 @@ describe("configInitializer", () => {
                 assert.strictEqual(config.env.es6, true);
                 assert.strictEqual(config.globals.Atomics, "readonly");
                 assert.strictEqual(config.globals.SharedArrayBuffer, "readonly");
-                assert.strictEqual(config.parserOptions.ecmaVersion, 2018);
+                assert.strictEqual(config.parserOptions.ecmaVersion, espree.latestEcmaVersion);
                 assert.strictEqual(config.parserOptions.sourceType, "module");
                 assert.strictEqual(config.env.browser, true);
                 assert.strictEqual(config.extends, "eslint:recommended");
@@ -156,7 +157,7 @@ describe("configInitializer", () => {
                 const config = init.processAnswers(answers);
 
                 assert.strictEqual(config.parserOptions.ecmaFeatures.jsx, true);
-                assert.strictEqual(config.parserOptions.ecmaVersion, 2018);
+                assert.strictEqual(config.parserOptions.ecmaVersion, espree.latestEcmaVersion);
                 assert.deepStrictEqual(config.plugins, ["react"]);
             });
 
@@ -164,7 +165,7 @@ describe("configInitializer", () => {
                 answers.framework = "vue";
                 const config = init.processAnswers(answers);
 
-                assert.strictEqual(config.parserOptions.ecmaVersion, 2018);
+                assert.strictEqual(config.parserOptions.ecmaVersion, espree.latestEcmaVersion);
                 assert.deepStrictEqual(config.plugins, ["vue"]);
                 assert.deepStrictEqual(config.extends, ["eslint:recommended", "plugin:vue/essential"]);
             });