1 files changed, 29 insertions, 0 deletions
diff --git a/testing/web-platform/tests/scroll-to-text-fragment/stash.js b/testing/web-platform/tests/scroll-to-text-fragment/stash.js
new file mode 100644
index 0000000000..f1b2ea8d3a
--- /dev/null
+++ b/testing/web-platform/tests/scroll-to-text-fragment/stash.js
@@ -0,0 +1,29 @@
+// Put test results into Stash
+function stashResultsThenClose(key, results) {
+  fetch(`/scroll-to-text-fragment/stash.py?key=${key}`, {
+    method: 'POST',
+    body: JSON.stringify(results)
+  }).then(() => {
+    window.close();
+  });
+}
+
+// Fetch test results from the Stash
+function fetchResults(key, resolve, reject) {
+  fetch(`/scroll-to-text-fragment/stash.py?key=${key}`).then(response => {
+    return response.text();
+  }).then(text => {
+    if (text) {
+      try {
+        const results = JSON.parse(text);
+        resolve(results);
+      } catch(e) {
+        reject();
+      }
+    } else {
+      // We keep trying to fetch results as the target page may not have stashed
+      // them yet.
+      fetchResults(key, resolve, reject);
+    }
+  });
+}