fix(cp): add default arguments

Author: everett1992

lib/cp/polyfill.js

@@ -22,8 +22,8 @@ const {
   ERR_FS_CP_SYMLINK_TO_SUBDIRECTORY,
   ERR_FS_CP_UNKNOWN,
   ERR_FS_EISDIR,
-} = require('../errors.js')
-
+  ERR_INVALID_ARG_TYPE,
+} = require('../errors.js');
 const {
   constants: {
     errno: {
@@ -33,7 +33,7 @@ const {
       ENOTDIR,
     }
   }
-} = require('os')
+} = require('os');
 const {
   chmod,
   copyFile,
@@ -53,9 +53,37 @@ const {
   parse,
   resolve,
   sep,
+  toNamespacedPath,
 } = require('path');
+const { fileURLToPath } = require('url');
+
+const defaultOptions = {
+  dereference: false,
+  errorOnExist: false,
+  filter: undefined,
+  force: true,
+  preserveTimestamps: false,
+  recursive: false,
+};
 
 async function cp(src, dest, opts) {
+  if (opts != undefined && typeof opts !== 'object') {
+    throw new ERR_INVALID_ARG_TYPE('options', ['Object'], opts);
+  }
+  return cpFn(
+    toNamespacedPath(getValidatedPath(src)),
+    toNamespacedPath(getValidatedPath(dest)),
+    { ...defaultOptions, ...opts });
+}
+
+function getValidatedPath(fileURLOrPath) {
+  const path = fileURLOrPath != null  && fileURLOrPath.href && fileURLOrPath.origin
+    ? fileURLToPath(fileURLOrPath)
+    : fileURLOrPath
+  return path;
+}
+
+async function cpFn(src, dest, opts) {
   // Warn about using preserveTimestamps on 32-bit node
   if (opts.preserveTimestamps && process.arch === 'ia32') {
     const warning = 'Using the preserveTimestamps option in 32-bit ' +