Replace validate-npm-package-name with a regexp

.changeset/sharp-llamas-chew.md

@@ -0,0 +1,5 @@
+---
+'sku': patch
+---
+
+Replace `validate-npm-package-name` dependency with a regexp

packages/sku/package.json

@@ -118,7 +118,6 @@
     "terser-webpack-plugin": "^5.1.4",
     "tree-kill": "^1.2.1",
     "typescript": "~5.3.0",
-    "validate-npm-package-name": "^5.0.0",
     "webpack": "^5.52.0",
     "webpack-bundle-analyzer": "^4.6.1",
     "webpack-dev-server": "^5.0.2",

packages/sku/scripts/init.js

@@ -11,7 +11,6 @@ const chalk = require('chalk');
 const fs = require('node:fs/promises');
 const { posix: path } = require('node:path');
 const { isEmptyDir } = require('../lib/isEmptyDir');
-const validatePackageName = require('validate-npm-package-name');
 const dedent = require('dedent');
 const { setCwd } = require('../lib/cwd');
 const prettierWrite = require('../lib/runPrettier').write;
@@ -48,6 +47,11 @@ const getTemplateFileDestinationFromRoot =
     return path.join(projectRoot, filePathRelativeToTemplate);
   };
 
+// Copied from `package-name-regex@4.0.0`
+// See https://github.com/dword-design/package-name-regex/blob/acae7d482b1d03379003899df4d484238625364d/src/index.js#L1-L2
+const packageNameRegex =
+  /^(@[a-z0-9-~][a-z0-9-._~]*\/)?[a-z0-9-~][a-z0-9-._~]*$/;
+
 (async () => {
   const projectName = args.argv[0];
 
@@ -89,21 +93,16 @@ const getTemplateFileDestinationFromRoot =
     'braid-design-system',
   ].sort();
 
-  const {
-    validForNewPackages,
-    errors = [],
-    warnings = [],
-  } = validatePackageName(appName);
+  const isValidPackageName = packageNameRegex.test(appName);
 
-  if (!validForNewPackages) {
+  if (!isValidPackageName) {
     console.error(dedent`
-    Could not create a project called ${chalk.red(`"${appName}"`)} \
-    because of npm naming restrictions:
+    Could not create a project called ${chalk.red(
+      `"${appName}"`,
+    )} because of npm naming restrictions. \
+    Please see https://docs.npmjs.com/cli/configuring-npm/package-json for package name rules.
   `);
 
-    const results = [...errors, ...warnings];
-    results.forEach((result) => console.error(chalk.red(`  *  ${result}`)));
-
     process.exit(1);
   }