more utility functions

content_script.js

@@ -24,7 +24,7 @@ const settings = browser.storage.sync;
 const ensureSettingsProp = (prop, existCallback, noExistCallback) => {
     settings.get(prop).then(foundKeys => {
         console.log("storage returned", foundKeys);
-        prop in foundKeys ? existCallback(foundKeys[prop]) : noExistCallback();
+        return (prop in foundKeys ? existCallback(foundKeys[prop]) : noExistCallback());
     });
 }
 
@@ -53,11 +53,7 @@ function executeStage(node) {
         if (currentStage.match(node)) {
             console.log(currentStage.name, "matched: ", node);
             console.log(currentStage.name, currentStage.execute(node) ? "executed" : "execution failed");
-            if (stages.length > 0) {
-                currentStage = stages.shift();
-            } else {
-                observer.disconnect();
-            }
+            nextStage();
         } else {
             console.log(currentStage.name, "did not match: ", mutation);
         }
@@ -158,6 +154,37 @@ function fillTextInput(parentNode, selector, value) {
 
 }
 
+/**
+ * 
+ * @param {MutationRecord} mut 
+ * @param {string} testName
+ * @param {"open"|"close"} openOrClose
+ * @returns boolean
+ */
+const matchDropdown = (mut, testName, openOrClose) => {
+    let nodes;
+    if (openOrClose == "open") {
+        nodes = mut.addedNodes;
+    } else if (openOrClose == "close") {
+        nodes = mut.removedNodes;
+    } else {
+        throw new Error(`"${openOrClose}" is not a valid value for openOrClose`);
+    }
+    return mut.target.parentNode.parentNode.classList.contains(testName) &&
+            Array.from(nodes).some(
+                n => n.nodeType === Node.ELEMENT_NODE &&
+                    n.classList.contains("db-web-dropdown-outer-container"))
+    }
+
+/**@param {MutationRecord} mut */
+const getDropdownList = (mut) => {
+    const dd = Array.from(mut.addedNodes).filter(e => e instanceof Element && e.querySelector("ul")!==null);
+    return dd.at(0).querySelector("ul");
+}
+
+/**@param {MutationRecord} mut */
+const getDropdownCloseButton = (mut) => mut.target.parentElement.parentElement.querySelector("button");
+
 const startClaim = {
     name: "startClaim",
     match: node => node.classList.contains("main-layout"),