Dropped the dependency on "mkdirp", since recursive directory creation is built-in on Node 10

Author: JamesMessinger

package.json

@@ -60,8 +60,6 @@
     "del": "^5.1.0",
     "eslint": "^6.8.0",
     "eslint-config-modular": "^7.0.1",
-    "mkdirp": "^0.5.1",
-    "mocha": "^6.2.2",
     "npm-check": "^5.9.0",
     "nyc": "^15.0.0",
     "shx": "^0.3.2",

test/utils/files.js

@@ -2,7 +2,6 @@
 
 const fs = require("fs");
 const path = require("path");
-const mkdirp = require("mkdirp");
 
 const tempDir = path.resolve(__dirname, "..", ".tmp");
 
@@ -21,7 +20,7 @@ const files = module.exports = {
     let filePath = path.join(tempDir, name);
     let dirPath = path.dirname(filePath);
 
-    mkdirp.sync(dirPath);
+    fs.mkdirSync(dirPath, { recursive: true });
     fs.writeFileSync(filePath, contents);
   },