Add stylelint dependency
This also adds CC-BY-4.0 to the list of accepted licenses.
DISABLE_THIRD_PARTY_CHECK=update dependencies
Bug: chromium:1083142
Change-Id: I8612de2fba52dae32eeb71af79d5aacfde52142b
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2220097
Reviewed-by: Paul Lewis <aerotwist@chromium.org>
Commit-Queue: Mathias Bynens <mathias@chromium.org>
diff --git a/node_modules/is-regexp/index.d.ts b/node_modules/is-regexp/index.d.ts
new file mode 100644
index 0000000..809e90c
--- /dev/null
+++ b/node_modules/is-regexp/index.d.ts
@@ -0,0 +1,20 @@
+/**
+Check if a value is a regular expression.
+
+@example
+```
+import isRegexp = require('is-regexp');
+
+isRegexp('unicorn');
+//=> false
+
+isRegexp(/unicorn/);
+//=> true
+
+isRegexp(new RegExp('unicorn'));
+//=> true
+```
+*/
+declare function isRegexp(input: unknown): input is RegExp;
+
+export = isRegexp;