Update dependency: strip-json-comments to 4.0.0.

.eslintrc.json

@@ -48,7 +48,7 @@
     }
   ],
   "parserOptions": {
-    "ecmaVersion": 2019
+    "ecmaVersion": 2020
   },
   "plugins": [
     "jsdoc",

package.json

@@ -65,7 +65,7 @@
     "markdownlint-rule-github-internal-links": "~0.1.0",
     "markdownlint-rule-helpers": "~0.15.0",
     "npm-run-all": "~4.1.5",
-    "strip-json-comments": "~3.1.1",
+    "strip-json-comments": "~4.0.0",
     "toml": "~3.0.0",
     "ts-loader": "~9.2.6",
     "tv4": "~1.3.0",

test/markdownlint-test-repos.js

@@ -8,32 +8,11 @@ const { join } = require("path");
 const { promisify } = require("util");
 const globby = require("globby");
 const jsYaml = require("js-yaml");
-const stripJsonComments = require("strip-json-comments");
 const test = require("ava").default;
 const markdownlint = require("../lib/markdownlint");
 const markdownlintPromise = promisify(markdownlint);
 const readConfigPromise = promisify(markdownlint.readConfig);
 
-/**
- * Parses JSONC text.
- *
- * @param {string} json JSON to parse.
- * @returns {Object} Object representation.
- */
-function jsoncParse(json) {
-  return JSON.parse(stripJsonComments(json));
-}
-
-/**
- * Parses YAML text.
- *
- * @param {string} yaml YAML to parse.
- * @returns {Object} Object representation.
- */
-function yamlParse(yaml) {
-  return jsYaml.load(yaml);
-}
-
 /**
  * Lints a test repository.
  *
@@ -43,8 +22,12 @@ function yamlParse(yaml) {
  * @param {RegExp[]} [ignoreRes] Array of RegExp violations to ignore.
  * @returns {Promise} Test result.
  */
-function lintTestRepo(t, globPatterns, configPath, ignoreRes) {
+async function lintTestRepo(t, globPatterns, configPath, ignoreRes) {
   t.plan(1);
+  // eslint-disable-next-line node/no-unsupported-features/es-syntax
+  const { "default": stripJsonComments } = await import("strip-json-comments");
+  const jsoncParse = (json) => JSON.parse(stripJsonComments(json));
+  const yamlParse = (yaml) => jsYaml.load(yaml);
   return Promise.all([
     globby(globPatterns),
     // @ts-ignore

test/markdownlint-test.js

@@ -10,7 +10,6 @@ const pluginInline = require("markdown-it-for-inline");
 const pluginSub = require("markdown-it-sub");
 const pluginSup = require("markdown-it-sup");
 const pluginTexMath = require("markdown-it-texmath");
-const stripJsonComments = require("strip-json-comments");
 const test = require("ava").default;
 const tv4 = require("tv4");
 const { homepage, version } = require("../package.json");
@@ -1070,9 +1069,10 @@ test("validateConfigSchemaAppliesToUnknownProperties", (t) => {
   }
 });
 
-test("validateConfigExampleJson", (t) => {
+test("validateConfigExampleJson", async(t) => {
   t.plan(2);
-
+  // eslint-disable-next-line node/no-unsupported-features/es-syntax
+  const { "default": stripJsonComments } = await import("strip-json-comments");
   // Validate JSONC
   const fileJson = ".markdownlint.jsonc";
   const dataJson = fs.readFileSync(
@@ -1084,7 +1084,6 @@ test("validateConfigExampleJson", (t) => {
     // @ts-ignore
     tv4.validate(jsonObject, configSchemaStrict),
     fileJson + "\n" + JSON.stringify(tv4.error, null, 2));
-
   // Validate YAML
   const fileYaml = ".markdownlint.yaml";
   const dataYaml = fs.readFileSync(