From afb7e05d7b94d79126a3e5ebcc56dab02a839ecd Mon Sep 17 00:00:00 2001
From: Michal Fox <me@dualfroz.com>
Date: Fri, 25 Sep 2026 12:57:39 +0200
Subject: [PATCH] Bug 2012474 - Persist the project search exclude patterns as
 they are edited. r?bomsy

---
 .../mochitest/browser_dbg-project-search.js   | 53 +++++++++++++++++++
 .../client/shared/components/SearchInput.js   | 39 +++++++++++---
 2 files changed, 85 insertions(+), 7 deletions(-)

diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-project-search.js b/devtools/client/debugger/test/mochitest/browser_dbg-project-search.js
index f1b638d..074c574 100644
--- a/devtools/client/debugger/test/mochitest/browser_dbg-project-search.js
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-project-search.js
@@ -274,6 +274,59 @@ add_task(async function testSearchExcludePatterns() {
   pressKey(dbg, "Enter");
 });
 
+add_task(async function testClearedExcludePatternsAreNotKept() {
+  const dbg = await initDebugger("doc-react.html", "App.js");
+
+  await openProjectSearch(dbg);
+  await doProjectSearch(dbg, "console", 5);
+
+  info("Exclude the node_modules files");
+  await clickElement(dbg, "excludePatternsInput");
+  type(dbg, "**/node_modules/**");
+  pressKey(dbg, "Enter");
+  await waitForSearchResults(dbg, 2);
+
+  info("Clear the exclude input and blur it without pressing Enter");
+  await clearElement(dbg, "excludePatternsInput");
+  await clickElement(dbg, "projectSearchSearchInput");
+  await waitForState(
+    dbg,
+    () =>
+      dbg.selectors.getSearchOptions("project-search").excludePatterns === "",
+    "The cleared exclude pattern is stored"
+  );
+
+  info("Re-trigger the search from the search input");
+  pressKey(dbg, "Enter");
+  const fileResults = await waitForSearchResults(dbg, 5);
+  const resultsFromNodeModules = [...fileResults].filter(result =>
+    result.innerText.includes("node_modules")
+  );
+  is(
+    resultsFromNodeModules.length,
+    3,
+    "Results from node_modules are no longer excluded"
+  );
+
+  info("Close and reopen the debugger");
+  await dbg.toolbox.closeToolbox();
+  const toolbox = await openToolboxForTab(gBrowser.selectedTab, "jsdebugger");
+  const dbg2 = createDebuggerContext(toolbox);
+  await openProjectSearch(dbg2);
+
+  const excludePatternsInputElement = await waitForElement(
+    dbg2,
+    "excludePatternsInput"
+  );
+  is(
+    excludePatternsInputElement.value,
+    "",
+    "The exclude input is still empty after reopening the debugger"
+  );
+
+  await clearElement(dbg2, "projectSearchSearchInput");
+});
+
 async function assertProjectSearchModifier(
   dbg,
   searchModifierBtn,
diff --git a/devtools/client/shared/components/SearchInput.js b/devtools/client/shared/components/SearchInput.js
index 74a8e8d..e28b558 100644
--- a/devtools/client/shared/components/SearchInput.js
+++ b/devtools/client/shared/components/SearchInput.js
@@ -20,6 +20,7 @@ const DebuggerImage = require("devtools/client/shared/components/DebuggerImage")
 const CloseButton = require("devtools/client/shared/components/CloseButton");
 
 const classnames = require("resource://devtools/client/shared/classnames.js");
+const { debounce } = require("resource://devtools/shared/debounce.js");
 const SearchModifiers = require("resource://devtools/client/shared/components/SearchModifiers.js");
 
 const { LocalizationHelper } = require("resource://devtools/shared/l10n.js");
@@ -95,6 +96,12 @@ class SearchInput extends Component {
         ? (props.searchOptions?.excludePatterns ?? "")
         : null,
     };
+    // Persist the exclude patterns while the user types, without dispatching
+    // on every keystroke.
+    this.debouncedSetExcludePatterns = debounce(
+      excludePatterns => this.setExcludePatterns(excludePatterns),
+      200
+    );
   }
 
   componentDidMount() {
@@ -107,6 +114,10 @@ class SearchInput extends Component {
     }
   }
 
+  componentWillUnmount() {
+    this.debouncedSetExcludePatterns.cancel();
+  }
+
   setFocus() {
     if (this.$input) {
       const _input = this.$input;
@@ -198,13 +209,29 @@ class SearchInput extends Component {
 
   onExcludeKeyDown = e => {
     if (e.key === "Enter") {
-      this.props.setSearchOptions(this.props.searchKey, {
-        excludePatterns: this.state.excludePatterns,
-      });
+      this.setExcludePatterns(this.state.excludePatterns);
       this.props.onKeyDown(e);
     }
   };
 
+  onExcludeChange = e => {
+    const excludePatterns = e.target.value;
+    this.setState({ excludePatterns });
+    this.debouncedSetExcludePatterns(excludePatterns);
+  };
+
+  onExcludeBlur = () => {
+    this.setExcludePatterns(this.state.excludePatterns);
+  };
+
+  setExcludePatterns(excludePatterns) {
+    this.debouncedSetExcludePatterns.cancel();
+    if (this.props.searchOptions?.excludePatterns === excludePatterns) {
+      return;
+    }
+    this.props.setSearchOptions(this.props.searchKey, { excludePatterns });
+  }
+
   saveEnteredTerm(query) {
     const { history } = this.state;
     const previousIndex = history.indexOf(query);
@@ -279,10 +306,8 @@ class SearchInput extends Component {
         placeholder: this.props.excludePatternsPlaceholder,
         value: this.state.excludePatterns,
         onKeyDown: this.onExcludeKeyDown,
-        onChange: e =>
-          this.setState({
-            excludePatterns: e.target.value,
-          }),
+        onChange: this.onExcludeChange,
+        onBlur: this.onExcludeBlur,
       })
     );
   }