refactor: centralize safe decode helpers

js/utils/safeDecode.js

@@ -0,0 +1,32 @@
+export function safeDecodeURIComponent(value) {
+  if (typeof value !== "string") {
+    return "";
+  }
+
+  if (value === "") {
+    return "";
+  }
+
+  try {
+    return decodeURIComponent(value);
+  } catch (err) {
+    return value;
+  }
+}
+
+export function safeDecodeURIComponentLoose(value, { trim = true } = {}) {
+  if (typeof value !== "string") {
+    return "";
+  }
+
+  const working = trim ? value.trim() : value;
+  if (trim && !working) {
+    return "";
+  }
+
+  try {
+    return decodeURIComponent(working);
+  } catch (err) {
+    return working;
+  }
+}