node fixes, updates

1 files changed, 33 insertions, 0 deletions

diff --git a/node_modules/swup/src/modules/resolveUrl.ts b/node_modules/swup/src/modules/resolveUrl.ts
new file mode 100755
index 00000000..a687d6fe
--- /dev/null
+++ b/node_modules/swup/src/modules/resolveUrl.ts
@@ -0,0 +1,33 @@
+import type Swup from '../Swup.js';
+
+/**
+ * Utility function to validate and run the global option 'resolveUrl'
+ * @param {string} url
+ * @returns {string} the resolved url
+ */
+export function resolveUrl(this: Swup, url: string): string {
+	if (typeof this.options.resolveUrl !== 'function') {
+		console.warn(`[swup] options.resolveUrl expects a callback function.`);
+		return url;
+	}
+	const result = this.options.resolveUrl(url);
+	if (!result || typeof result !== 'string') {
+		console.warn(`[swup] options.resolveUrl needs to return a url`);
+		return url;
+	}
+	if (result.startsWith('//') || result.startsWith('http')) {
+		console.warn(`[swup] options.resolveUrl needs to return a relative url`);
+		return url;
+	}
+	return result;
+}
+
+/**
+ * Compares the resolved version of two paths and returns true if they are the same
+ * @param {string} url1
+ * @param {string} url2
+ * @returns {boolean}
+ */
+export function isSameResolvedUrl(this: Swup, url1: string, url2: string): boolean {
+	return this.resolveUrl(url1) === this.resolveUrl(url2);
+}