1 files changed, 58 insertions, 0 deletions
diff --git a/src/normalize-url.js b/src/normalize-url.js
new file mode 100644
index 0000000..c22e243
--- /dev/null
+++ b/src/normalize-url.js
@@ -0,0 +1,58 @@
+/**
+ * Stripped down version of [normalize-url](https://github.com/sindresorhus/normalize-url)
+ * by sindresorhus
+ *
+ * - always converts http => https
+ * - removed unused options
+ * - removed dataURL support
+ */
+export const normalizeUrl = (urlString) => {
+  const urlObj = new URL(urlString)
+
+  if (urlObj.protocol === 'http:') {
+    urlObj.protocol = 'https:'
+  }
+
+  /*
+  // Remove auth
+  // TODO: Cloudflare Workers seems to have a subtle bug where if you set URL.username and
+  // URL.password at all, it will include the @ authentication prefix in the resulting URL.
+  // This does not repro in normal web or Node.js contexts.
+  if (options.stripAuthentication) {
+    urlObj.username = ''
+    urlObj.password = ''
+  }
+  */
+
+  // Remove duplicate slashes if not preceded by a protocol
+  if (urlObj.pathname) {
+    urlObj.pathname = urlObj.pathname.replace(/(?<!https?:)\/{2,}/g, '/')
+  }
+
+  // Decode URI octets
+  if (urlObj.pathname) {
+    urlObj.pathname = decodeURI(urlObj.pathname)
+  }
+
+  if (urlObj.hostname) {
+    // Remove trailing dot
+    urlObj.hostname = urlObj.hostname.replace(/\.$/, '')
+  }
+
+  // Sort query parameters
+  urlObj.searchParams.sort()
+
+  // Remove trailing `/`
+  urlObj.pathname = urlObj.pathname.replace(/\/$/, '')
+
+  urlString = urlObj.toString()
+
+  // Remove trailing `/` for real this time
+  if (urlObj.pathname === '/' && urlObj.hash === '') {
+    urlString = urlString.replace(/\/$/, '')
+  }
+
+  urlString = urlString.replace(/https:%2F%2F/g, 'https%3A%2F%2F')
+
+  return urlString
+}