chore: pin wasm-bindgen version for tooling/CI reasons

.github/workflows/ci-changed-examples.yml

@@ -29,4 +29,4 @@ jobs:
     with:
       directory: ${{ matrix.directory }}
       cargo_make_task: "ci"
-      toolchain: stable
+      toolchain: nightly-2024-01-29

.github/workflows/ci-examples.yml

@@ -24,4 +24,4 @@ jobs:
     with:
       directory: ${{ matrix.directory }}
       cargo_make_task: "ci"
-      toolchain: stable
+      toolchain: nightly-2024-01-29

.github/workflows/ci-semver.yml

@@ -1,28 +0,0 @@
-name: CI semver
-
-on:
-  push:
-    branches:
-      - main
-  pull_request:
-    branches:
-      - main
-
-jobs:
-  get-leptos-changed:
-    uses: ./.github/workflows/get-leptos-changed.yml
-
-  test:
-    needs: [get-leptos-changed]
-    if: needs.get-leptos-changed.outputs.leptos_changed == 'true'
-    name: Run semver check (nightly-2024-04-14)
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Semver Checks
-        uses: obi1kenobi/cargo-semver-checks-action@v2
-        with:
-          rust-toolchain: nightly-2024-04-14

.github/workflows/ci-stable-examples.yml

@@ -0,0 +1,26 @@
+name: CI Stable Examples
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  get-leptos-changed:
+    uses: ./.github/workflows/get-leptos-changed.yml
+
+  test:
+    name: CI
+    needs: [get-leptos-changed]
+    if: needs.get-leptos-changed.outputs.leptos_changed == 'true'
+    strategy:
+      matrix:
+        directory: [examples/counters_stable, examples/counter_without_macros]
+    uses: ./.github/workflows/run-cargo-make-task.yml
+    with:
+      directory: ${{ matrix.directory }}
+      cargo_make_task: "ci"
+      toolchain: stable

.github/workflows/ci.yml

@@ -40,4 +40,4 @@ jobs:
     with:
       directory: ${{ matrix.directory }}
       cargo_make_task: "ci"
-      toolchain: nightly-2024-04-14
+      toolchain: nightly-2024-01-29

.github/workflows/get-example-changed.yml

@@ -21,7 +21,7 @@ jobs:
 
       - name: Get example files that changed
         id: changed-files
-        uses: tj-actions/changed-files@v43
+        uses: tj-actions/changed-files@v41
         with:
           files: |
             examples/**

.github/workflows/get-examples-matrix.yml

@@ -17,8 +17,8 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Install jq
-        run: sudo apt-get install jq
+      - name: Install JQ Tool
+        uses: mbround18/install-jq@v1
 
       - name: Set Matrix
         id: set-matrix

.github/workflows/get-leptos-changed.yml

@@ -16,12 +16,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
 
       - name: Get source files that changed
         id: changed-source
-        uses: tj-actions/changed-files@v43
+        uses: tj-actions/changed-files@v41
         with:
           files: |
             integrations/**

.github/workflows/run-cargo-make-task.yml

@@ -27,9 +27,11 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Setup Rust
-        uses: dtolnay/rust-toolchain@master
+        uses: actions-rs/toolchain@v1
         with:
           toolchain: ${{ inputs.toolchain }}
+          override: true
+          components: rustfmt
 
       - name: Add wasm32-unknown-unknown
         run: rustup target add wasm32-unknown-unknown
@@ -42,18 +44,6 @@ jobs:
 
       - uses: Swatinem/rust-cache@v2
 
-      - name: Install binstall
-        uses: cargo-bins/cargo-binstall@main
-
-      - name: Install wasm-bindgen
-        run: cargo binstall wasm-bindgen-cli --no-confirm
-
-      - name: Install wasm-pack
-        run: cargo binstall wasm-pack --no-confirm
-
-      - name: Install cargo-leptos
-        run: cargo binstall cargo-leptos --no-confirm
-
       - name: Install Trunk
         uses: jetli/trunk-action@v0.4.0
         with:
@@ -79,7 +69,7 @@ jobs:
         run: |
           echo "STORE_PATH=$(pnpm store path)" >> $GITHUB_OUTPUT
 
-      - uses: actions/cache@v4
+      - uses: actions/cache@v3
         name: Setup pnpm cache
         with:
           path: ${{ steps.pnpm-cache.outputs.STORE_PATH }}

CONTRIBUTING.md

@@ -72,19 +72,12 @@ check-examples`.
 
 ## Before Submitting a PR
 
-We have a fairly extensive CI setup that runs both lints (like `rustfmt` and `clippy`)
+We have a fairly extensive CI setup that runs both lints (like `rustfmt` and `clippy`) 
 and tests on PRs. You can run most of these locally if you have `cargo-make` installed.
 
-Note that some of the `rustfmt` settings used require usage of the nightly compiler.
-Formatting the code using the stable toolchain may result in a wrong code format and
-subsequently CI errors.
-Run `cargo +nightly fmt` if you want to keep the stable toolchain active.
-You may want to let your IDE automatically use the `+nightly` parameter when a
-"format on save" action is used.
-
 If you added an example, make sure to add it to the list in `examples/Makefile.toml`.
 
-From the root directory of the repo, run
+From the root directory of the repo, run 
 - `cargo +nightly fmt`
 - `cargo +nightly make check`
 - `cargo +nightly make test`

Cargo.toml

@@ -25,23 +25,23 @@ members = [
 exclude = ["benchmarks", "examples"]
 
 [workspace.package]
-version = "0.6.11"
+version = "0.6.9"
 rust-version = "1.75"
 
 [workspace.dependencies]
-leptos = { path = "./leptos", version = "0.6.11" }
-leptos_dom = { path = "./leptos_dom", version = "0.6.11" }
-leptos_hot_reload = { path = "./leptos_hot_reload", version = "0.6.11" }
-leptos_macro = { path = "./leptos_macro", version = "0.6.11" }
-leptos_reactive = { path = "./leptos_reactive", version = "0.6.11" }
-leptos_server = { path = "./leptos_server", version = "0.6.11" }
-server_fn = { path = "./server_fn", version = "0.6.11" }
-server_fn_macro = { path = "./server_fn_macro", version = "0.6.11" }
+leptos = { path = "./leptos", version = "0.6.9" }
+leptos_dom = { path = "./leptos_dom", version = "0.6.9" }
+leptos_hot_reload = { path = "./leptos_hot_reload", version = "0.6.9" }
+leptos_macro = { path = "./leptos_macro", version = "0.6.9" }
+leptos_reactive = { path = "./leptos_reactive", version = "0.6.9" }
+leptos_server = { path = "./leptos_server", version = "0.6.9" }
+server_fn = { path = "./server_fn", version = "0.6.9" }
+server_fn_macro = { path = "./server_fn_macro", version = "0.6.9" }
 server_fn_macro_default = { path = "./server_fn/server_fn_macro_default", version = "0.6" }
-leptos_config = { path = "./leptos_config", version = "0.6.11" }
-leptos_router = { path = "./router", version = "0.6.11" }
-leptos_meta = { path = "./meta", version = "0.6.11" }
-leptos_integration_utils = { path = "./integrations/utils", version = "0.6.11" }
+leptos_config = { path = "./leptos_config", version = "0.6.9" }
+leptos_router = { path = "./router", version = "0.6.9" }
+leptos_meta = { path = "./meta", version = "0.6.9" }
+leptos_integration_utils = { path = "./integrations/utils", version = "0.6.9" }
 
 [profile.release]
 codegen-units = 1

README.md

@@ -163,7 +163,7 @@ The new rendering approach being developed for 0.7 supports “universal renderi
 
 ### How is this different from Yew?
 
-Yew is the most-used library for Rust web UI development, but there are several differences between Yew and Leptos, in philosophy, approach, and performance.
+Yew is the most-used library for Rust web UI development, but there are several differences between Yew and Leptos, in philosophy, approach, and performance. 
 
 - **VDOM vs. fine-grained:** Yew is built on the virtual DOM (VDOM) model: state changes cause components to re-render, generating a new virtual DOM tree. Yew diffs this against the previous VDOM, and applies those patches to the actual DOM. Component functions rerun whenever state changes. Leptos takes an entirely different approach. Components run once, creating (and returning) actual DOM nodes and setting up a reactive system to update those DOM nodes.
 - **Performance:** This has huge performance implications: Leptos is simply much faster at both creating and updating the UI than Yew is.
@@ -182,4 +182,4 @@ Sycamore and Leptos are both heavily influenced by SolidJS. At this point, Lepto
 
 - **Templating DSLs:** Sycamore uses a custom templating language for its views, while Leptos uses a JSX-like template format.
 - **`'static` signals:** One of Leptos’s main innovations was the creation of `Copy + 'static` signals, which have excellent ergonomics. Sycamore is in the process of adopting the same pattern, but this is not yet released.
-- **Perseus vs. server functions:** The Perseus metaframework provides an opinionated way to build Sycamore apps that include server functionality. Leptos instead provides primitives like server functions in the core of the framework.
+- **Perseus vs. server functions:** The Perseus metaframework provides an opinionated way to build Sycamore apps that include server functionality. Leptos instead provides primitives like server functions in the core of the framework. 

cargo-make/check.toml

@@ -3,5 +3,5 @@ alias = "check-all"
 
 [tasks.check-all]
 command = "cargo"
-args = ["check-all-features"]
+args = ["+nightly-2024-01-29", "check-all-features"]
 install_crate = "cargo-all-features"

cargo-make/lint.toml

@@ -8,11 +8,4 @@ args = ["fmt", "--", "--check", "--config-path", "${LEPTOS_PROJECT_DIRECTORY}"]
 [tasks.clippy-each-feature]
 dependencies = ["install-clippy"]
 command = "cargo"
-args = [
-    "clippy",
-    "--all-features",
-    "--no-deps",
-    "--",
-    "-D",
-    "clippy::print_stdout",
-]
+args = ["hack", "clippy", "--all", "--each-feature", "--no-dev-deps"]

cargo-make/test.toml

@@ -3,5 +3,5 @@ alias = "test-all"
 
 [tasks.test-all]
 command = "cargo"
-args = ["test-all-features"]
+args = ["+nightly-2024-01-29", "test-all-features"]
 install_crate = "cargo-all-features"

examples/Makefile.toml

@@ -5,41 +5,34 @@ CARGO_MAKE_EXTEND_WORKSPACE_MAKEFILE = true
 CARGO_MAKE_CARGO_BUILD_TEST_FLAGS = ""
 CARGO_MAKE_WORKSPACE_EMULATION = true
 CARGO_MAKE_CRATE_WORKSPACE_MEMBERS = [
-  "action-form-error-handling",
   "animated_show",
   "counter",
   "counter_isomorphic",
   "counters",
+  "counters_stable",
   "counter_url_query",
   "counter_without_macros",
-  "directives",
   "error_boundary",
   "errors_axum",
   "fetch",
   "hackernews",
   "hackernews_axum",
-  "hackernews_islands_axum",
-  "hackernews_js_fetch",
   "js-framework-benchmark",
   "login_with_token_csr_only",
   "parent_child",
-  "portal",
   "router",
   "server_fns_axum",
   "session_auth_axum",
   "slots",
-  "spread",
-  "sso_auth_axum",
   "ssr_modes",
   "ssr_modes_axum",
   "suspense_tests",
   "tailwind_actix",
-  "tailwind_axum",
   "tailwind_csr",
+  "tailwind_axum",
   "timer",
   "todo_app_sqlite",
   "todo_app_sqlite_axum",
-  "todo_app_sqlite_csr",
   "todomvc",
 ]
 

examples/README.md

@@ -8,7 +8,7 @@ To the extent that new features have been released or breaking changes have been
 
 ## Getting Started
 
-The simplest way to get started with any example is to use the “quick start” command found in the README for each example. Most of the examples use either [`trunk`](https://trunkrs.dev/) (a simple build system and dev server for client-side-rendered apps) or [`cargo-leptos`](https://github.com/leptos-rs/cargo-leptos) (a build system for server-rendered and client-hydrated apps).
+The simplest way to get started with any example is to use the “quick start” command found in the README for each example. Most of the examples use either [`trunk`](https://trunkrs.dev/) (a simple build system and dev server for client-side-rendered apps) or [`cargo-leptos`](https://github.com/leptos-rs/cargo-leptos) (a build system for server-rendered and client-hydrated apps). 
 
 ## Using Cargo Make
 
@@ -17,17 +17,15 @@ You can also run any of the examples using [`cargo-make`](https://github.com/sag
 Follow these steps to get any example up and running.
 
 1. `cd` to the example you want to run
-2. Make sure `cargo-make` is installed (for example by running `cargo install cargo-make`)
-3. Make sure `rustup target add wasm32-unknown-unknown` was executed for the currently selected toolchain.
-4. Run `cargo make ci` to setup and test the example
-5. Run `cargo make start` to run the example
-6. Open the client URL in the console output (<http://127.0.0.1:8080> or <http://127.0.0.1:3000> by default)
-7. Run `cargo make stop` to end any processes started by `cargo make start`.
+2. Run `cargo make ci` to setup and test the example
+3. Run `cargo make start` to run the example
+4. Open the client URL in the console output (<http://127.0.0.1:8080> or <http://127.0.0.1:3000> by default)
+5. Run `cargo make stop` to end any processes started by `cargo make start`. 
 
 Here are a few additional notes:
 
 - Extendable custom task files are located in the [cargo-make](./cargo-make/) directory
-- Running a task will automatically install `cargo` dependencies
+- Running a task will automatically install `cargo` dependencies 
 - Each `Makefile.toml` file must extend the [cargo-make/main.toml](./cargo-make/main.toml) file
 - [cargo-make](./cargo-make/) files that end in `*-test.toml` configure web testing strategies
 - Run `cargo make test-report` to learn which examples have web tests

examples/action-form-error-handling/Cargo.toml

@@ -16,7 +16,7 @@ leptos = { path = "../../leptos" }
 leptos_meta = { path = "../../meta" }
 leptos_actix = { path = "../../integrations/actix", optional = true }
 leptos_router = { path = "../../router" }
-wasm-bindgen = "0.2"
+wasm-bindgen = "=0.2.92"
 serde = { version = "1", features = ["derive"] }
 
 [features]

examples/animated_show/Cargo.toml

@@ -7,7 +7,7 @@ edition = "2021"
 codegen-units = 1
 lto = true
 
-[dependencies] 
+[dependencies]
 leptos = { path = "../../leptos", features = ["csr"] }
 console_log = "1"
 log = "0.4"

examples/cargo-make/cargo-leptos.toml

@@ -15,13 +15,13 @@ clear = true
 dependencies = ["check-debug", "check-release"]
 
 [tasks.check-debug]
-toolchain = "stable"
+toolchain = "nightly-2024-01-29"
 command = "cargo"
 args = ["check-all-features"]
 install_crate = "cargo-all-features"
 
 [tasks.check-release]
-toolchain = "stable"
+toolchain = "nightly-2024-01-29"
 command = "cargo"
 args = ["check-all-features", "--release"]
 install_crate = "cargo-all-features"

examples/cargo-make/clean.toml

@@ -4,13 +4,11 @@ dependencies = [
   "clean-trunk",
   "clean-node_modules",
   "clean-playwright",
-  "clean-pkg",
 ]
 
 [tasks.clean-cargo]
-script = '''
-find . -type d -name target | xargs rm -rf
-'''
+command = "rm"
+args = ["-rf", "target"]
 
 [tasks.clean-trunk]
 script = '''
@@ -29,8 +27,3 @@ fi
 script = '''
 find . -name playwright-report -name playwright -name test-results | xargs rm -rf
 '''
-
-[tasks.clean-pkg]
-script = '''
-find . -type d -name pkg | xargs rm -rf
-'''

examples/cargo-make/compile.toml

@@ -1,11 +1,11 @@
 [tasks.build]
-toolchain = "stable"
+toolchain = "nightly-2024-01-29"
 command = "cargo"
 args = ["build-all-features"]
 install_crate = "cargo-all-features"
 
 [tasks.check]
-toolchain = "stable"
+toolchain = "nightly-2024-01-29"
 command = "cargo"
 args = ["check-all-features"]
 install_crate = "cargo-all-features"

examples/cargo-make/deno-build.toml

@@ -12,13 +12,13 @@ clear = true
 dependencies = ["check-debug", "check-release"]
 
 [tasks.check-debug]
-toolchain = "stable"
+toolchain = "nightly-2024-01-29"
 command = "cargo"
 args = ["check-all-features"]
 install_crate = "cargo-all-features"
 
 [tasks.check-release]
-toolchain = "stable"
+toolchain = "nightly-2024-01-29"
 command = "cargo"
 args = ["check-all-features", "--release"]
 install_crate = "cargo-all-features"

examples/counter/Cargo.toml

@@ -8,12 +8,12 @@ codegen-units = 1
 lto = true
 
 [dependencies]
-leptos = { path = "../../leptos", features = ["csr"] }
+leptos = { path = "../../leptos", features = ["csr", "nightly"] }
 console_log = "1"
 log = "0.4"
 console_error_panic_hook = "0.1.7"
 
 [dev-dependencies]
-wasm-bindgen = "0.2"
+wasm-bindgen = "=0.2.92"
 wasm-bindgen-test = "0.3.0"
 web-sys = "0.3"

examples/counter/rust-toolchain.toml

@@ -1,2 +1,2 @@
 [toolchain]
-channel = "stable" # test change
+channel = "nightly-2024-01-29"

examples/counter/src/lib.rs

@@ -14,7 +14,7 @@ pub fn SimpleCounter(
 
     view! {
         <div>
-            <button on:click=move |_| set_value.set(0)>"Clear"</button>
+            <button on:click=move |_| set_value(0)>"Clear"</button>
             <button on:click=move |_| set_value.update(|value| *value -= step)>"-1"</button>
             <span>"Value: " {value} "!"</span>
             <button on:click=move |_| set_value.update(|value| *value += step)>"+1"</button>

examples/counter_isomorphic/Cargo.toml

@@ -25,12 +25,13 @@ leptos_router = { path = "../../router" }
 log = "0.4"
 once_cell = "1.18"
 gloo-net = { git = "https://github.com/rustwasm/gloo" }
-wasm-bindgen = "0.2"
+wasm-bindgen = "=0.2.92"
 serde = { version = "1", features = ["derive"] }
 simple_logger = "4.3"
 tracing = { version = "0.1", optional = true }
 
 [features]
+default = ["nightly"]
 hydrate = ["leptos/hydrate", "leptos_meta/hydrate", "leptos_router/hydrate"]
 ssr = [
 	"dep:actix-files",
@@ -41,9 +42,10 @@ ssr = [
 	"leptos_meta/ssr",
 	"leptos_router/ssr",
 ]
+nightly = ["leptos/nightly", "leptos_router/nightly"]
 
 [package.metadata.cargo-all-features]
-denylist = ["actix-files", "actix-web", "leptos_actix"]
+denylist = ["actix-files", "actix-web", "leptos_actix", "nightly"]
 skip_feature_sets = [["ssr", "hydrate"]]
 
 [package.metadata.leptos]

examples/counter_url_query/Cargo.toml

@@ -8,13 +8,13 @@ codegen-units = 1
 lto = true
 
 [dependencies]
-leptos = { path = "../../leptos", features = ["csr"] }
+leptos = { path = "../../leptos", features = ["csr", "nightly"] }
 leptos_router = { path = "../../router", features = ["csr"] }
 console_log = "1"
 log = "0.4"
 console_error_panic_hook = "0.1.7"
 
 [dev-dependencies]
-wasm-bindgen = "0.2"
+wasm-bindgen = "=0.2.92"
 wasm-bindgen-test = "0.3.0"
 web-sys = "0.3"

examples/counter_url_query/rust-toolchain.toml

@@ -1,2 +1,2 @@
 [toolchain]
-channel = "stable" # test change
+channel = "nightly-2024-01-29"

examples/counter_url_query/src/lib.rs

@@ -7,17 +7,17 @@ use leptos_router::*;
 #[component]
 pub fn SimpleQueryCounter() -> impl IntoView {
     let (count, set_count) = create_query_signal::<i32>("count");
-    let clear = move |_| set_count.set(None);
-    let decrement = move |_| set_count.set(Some(count.get().unwrap_or(0) - 1));
-    let increment = move |_| set_count.set(Some(count.get().unwrap_or(0) + 1));
+    let clear = move |_| set_count(None);
+    let decrement = move |_| set_count(Some(count().unwrap_or(0) - 1));
+    let increment = move |_| set_count(Some(count().unwrap_or(0) + 1));
 
     let (msg, set_msg) = create_query_signal::<String>("message");
     let update_msg = move |ev| {
         let new_msg = event_target_value(&ev);
         if new_msg.is_empty() {
-            set_msg.set(None);
+            set_msg(None);
         } else {
-            set_msg.set(Some(new_msg));
+            set_msg(Some(new_msg));
         }
     };
 
@@ -25,13 +25,13 @@ pub fn SimpleQueryCounter() -> impl IntoView {
         <div>
             <button on:click=clear>"Clear"</button>
             <button on:click=decrement>"-1"</button>
-            <span>"Value: " {move || count.get().unwrap_or(0)} "!"</span>
+            <span>"Value: " {move || count().unwrap_or(0)} "!"</span>
             <button on:click=increment>"+1"</button>
 
             <br />
 
             <input
-                prop:value=move || msg.get().unwrap_or_default()
+                prop:value=move || msg().unwrap_or_default()
                 on:input=update_msg
             />
         </div>

examples/counter_without_macros/Cargo.toml

@@ -15,7 +15,7 @@ log = "0.4"
 console_error_panic_hook = "0.1.7"
 
 [dev-dependencies]
-wasm-bindgen = "0.2"
+wasm-bindgen = "0.2.84"
 wasm-bindgen-test = "0.3.34"
 pretty_assertions = "1.3.0"
 rstest = "0.17.0"

examples/counter_without_macros/src/lib.rs

@@ -1,4 +1,4 @@
-use leptos::{html::*, *};
+use leptos::{ev, html::*, *};
 
 /// A simple counter view.
 // A component is really just a function call: it runs once to create the DOM and reactive system

examples/counters/Cargo.toml

@@ -4,12 +4,12 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = { path = "../../leptos", features = ["csr"]  }
+leptos = { path = "../../leptos", features = ["csr", "nightly"] }
 log = "0.4"
 console_log = "1"
 console_error_panic_hook = "0.1.7"
 
 [dev-dependencies]
 wasm-bindgen-test = "0.3.0"
-wasm-bindgen = "0.2"
+wasm-bindgen = "=0.2.92"
 web-sys = "0.3"

examples/counters/rust-toolchain.toml

@@ -1,2 +1,2 @@
 [toolchain]
-channel = "stable" # test change
+channel = "nightly-2024-01-29"

examples/counters/src/lib.rs

@@ -1,4 +1,4 @@
-use leptos::*;
+use leptos::{For, *};
 
 const MANY_COUNTERS: usize = 1000;
 
@@ -16,14 +16,14 @@ pub fn Counters() -> impl IntoView {
     provide_context(CounterUpdater { set_counters });
 
     let add_counter = move |_| {
-        let id = next_counter_id.get();
+        let id = next_counter_id();
         let sig = create_signal(0);
         set_counters.update(move |counters| counters.push((id, sig)));
         set_next_counter_id.update(|id| *id += 1);
     };
 
     let add_many_counters = move |_| {
-        let next_id = next_counter_id.get();
+        let next_id = next_counter_id();
         let new_counters = (next_id..next_id + MANY_COUNTERS).map(|id| {
             let signal = create_signal(0);
             (id, signal)
@@ -53,17 +53,17 @@ pub fn Counters() -> impl IntoView {
                 <span>{move ||
                     counters.get()
                         .iter()
-                        .map(|(_, (count, _))| count.get())
+                        .map(|(_, (count, _))| count())
                         .sum::<i32>()
                         .to_string()
                 }</span>
                 " from "
-                <span>{move || counters.get().len().to_string()}</span>
+                <span>{move || counters().len().to_string()}</span>
                 " counters."
             </p>
             <ul>
                 <For
-                    each=move || counters.get()
+                    each=counters
                     key=|counter| counter.0
                     children=move |(id, (value, set_value)): (usize, (ReadSignal<i32>, WriteSignal<i32>))| {
                         view! {
@@ -85,8 +85,7 @@ fn Counter(
     let CounterUpdater { set_counters } = use_context().unwrap();
 
     let input = move |ev| {
-        set_value
-            .set(event_target_value(&ev).parse::<i32>().unwrap_or_default())
+        set_value(event_target_value(&ev).parse::<i32>().unwrap_or_default())
     };
 
     // this will run when the scope is disposed, i.e., when this row is deleted

examples/counters_stable/.gitignore

@@ -0,0 +1,20 @@
+# Generated by Cargo
+# will have compiled files and executables
+/target/
+
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# Support playwright testing
+node_modules/
+test-results/
+end2end/playwright-report/
+playwright/.cache/
+pnpm-lock.yaml
+
+# Support trunk
+dist

examples/counters_stable/Cargo.toml

@@ -0,0 +1,28 @@
+[package]
+name = "counters_stable"
+version = "0.1.0"
+edition = "2021"
+rust-version = "1.75"
+
+[dependencies]
+leptos = { path = "../../leptos", features = ["csr"] }
+leptos_meta = { path = "../../meta", features = ["csr"] }
+log = "0.4"
+console_log = "1"
+console_error_panic_hook = "0.1.7"
+
+[dev-dependencies]
+wasm-bindgen = "=0.2.92"
+wasm-bindgen-test = "0.3.37"
+pretty_assertions = "1.4.0"
+
+[dev-dependencies.web-sys]
+features = [
+    "Event",
+    "EventInit",
+    "EventTarget",
+    "HtmlElement",
+    "HtmlInputElement",
+    "XPathResult",
+]
+version = "0.3.64"

examples/counters_stable/Makefile.toml

@@ -0,0 +1,18 @@
+extend = [
+    { path = "../cargo-make/main.toml" },
+    { path = "../cargo-make/wasm-test.toml" },
+    { path = "../cargo-make/trunk_server.toml" },
+    { path = "../cargo-make/playwright-test.toml" },
+]
+
+[tasks.build]
+toolchain = "stable"
+command = "cargo"
+args = ["build-all-features"]
+install_crate = "cargo-all-features"
+
+[tasks.check]
+toolchain = "stable"
+command = "cargo"
+args = ["check-all-features"]
+install_crate = "cargo-all-features"

examples/counters_stable/README.md

@@ -0,0 +1,11 @@
+# Leptos Counters Example on Rust Stable
+
+This example showcases a basic Leptos app with many counters. It is a good example of how to setup a basic reactive app with signals and effects, and how to interact with browser events. Unlike the other counters example, it will compile on Rust stable, because it has the `stable` feature enabled.
+
+## Getting Started
+
+See the [Examples README](../README.md) for setup and run instructions.
+
+## Quick Start
+
+Run `trunk serve --open` to run this example.

examples/counters_stable/e2e/.gitignore

@@ -0,0 +1,4 @@
+node_modules/
+/test-results/
+/playwright-report/
+/playwright/.cache/

examples/counters_stable/e2e/package-lock.json

@@ -0,0 +1,83 @@
+{
+  "name": "grip",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "grip",
+      "devDependencies": {
+        "@playwright/test": "^1.35.1"
+      }
+    },
+    "node_modules/.pnpm/@playwright+test@1.33.0": {
+      "extraneous": true
+    },
+    "node_modules/.pnpm/@types+node@20.2.1/node_modules/@types/node": {
+      "version": "20.2.1",
+      "extraneous": true,
+      "license": "MIT"
+    },
+    "node_modules/.pnpm/playwright-core@1.33.0/node_modules/playwright-core": {
+      "version": "1.33.0",
+      "extraneous": true,
+      "license": "Apache-2.0",
+      "bin": {
+        "playwright": "cli.js"
+      },
+      "engines": {
+        "node": ">=14"
+      }
+    },
+    "node_modules/@playwright/test": {
+      "version": "1.35.1",
+      "resolved": "https://registry.npmjs.org/@playwright/test/-/test-1.35.1.tgz",
+      "integrity": "sha512-b5YoFe6J9exsMYg0pQAobNDR85T1nLumUYgUTtKm4d21iX2L7WqKq9dW8NGJ+2vX0etZd+Y7UeuqsxDXm9+5ZA==",
+      "dev": true,
+      "dependencies": {
+        "@types/node": "*",
+        "playwright-core": "1.35.1"
+      },
+      "bin": {
+        "playwright": "cli.js"
+      },
+      "engines": {
+        "node": ">=16"
+      },
+      "optionalDependencies": {
+        "fsevents": "2.3.2"
+      }
+    },
+    "node_modules/@types/node": {
+      "version": "20.3.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.3.1.tgz",
+      "integrity": "sha512-EhcH/wvidPy1WeML3TtYFGR83UzjxeWRen9V402T8aUGYsCHOmfoisV3ZSg03gAFIbLq8TnWOJ0f4cALtnSEUg==",
+      "dev": true
+    },
+    "node_modules/fsevents": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.2.tgz",
+      "integrity": "sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==",
+      "dev": true,
+      "hasInstallScript": true,
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": "^8.16.0 || ^10.6.0 || >=11.0.0"
+      }
+    },
+    "node_modules/playwright-core": {
+      "version": "1.35.1",
+      "resolved": "https://registry.npmjs.org/playwright-core/-/playwright-core-1.35.1.tgz",
+      "integrity": "sha512-pNXb6CQ7OqmGDRspEjlxE49w+4YtR6a3X6mT1hZXeJHWmsEz7SunmvZeiG/+y1yyMZdHnnn73WKYdtV1er0Xyg==",
+      "dev": true,
+      "bin": {
+        "playwright-core": "cli.js"
+      },
+      "engines": {
+        "node": ">=16"
+      }
+    }
+  }
+}

examples/counters_stable/e2e/package.json

@@ -0,0 +1,7 @@
+{
+  "private": "true",
+  "scripts": {},
+  "devDependencies": {
+    "@playwright/test": "^1.35.1"
+  }
+}

examples/counters_stable/e2e/playwright.config.ts

@@ -0,0 +1,77 @@
+import { defineConfig, devices } from "@playwright/test";
+
+/**
+ * Read environment variables from file.
+ * https://github.com/motdotla/dotenv
+ */
+// require('dotenv').config();
+
+/**
+ * See https://playwright.dev/docs/test-configuration.
+ */
+export default defineConfig({
+  testDir: "./tests",
+  /* Run tests in files in parallel */
+  fullyParallel: true,
+  /* Fail the build on CI if you accidentally left test.only in the source code. */
+  forbidOnly: !process.env.DEV,
+  /* Retry on CI only */
+  retries: process.env.DEV ? 0 : 10,
+  /* Opt out of parallel tests on CI. */
+  workers: process.env.DEV ? 1 : 1,
+  /* Reporter to use. See https://playwright.dev/docs/test-reporters */
+  reporter: [["html", { open: "never" }], ["list"]],
+  /* Shared settings for all the projects below. See https://playwright.dev/docs/api/class-testoptions. */
+  use: {
+    /* Base URL to use in actions like `await page.goto('/')`. */
+    baseURL: "http://127.0.0.1:8080",
+
+    /* Collect trace when retrying the failed test. See https://playwright.dev/docs/trace-viewer */
+    trace: "on-first-retry",
+  },
+
+  /* Configure projects for major browsers */
+  projects: [
+    {
+      name: "chromium",
+      use: { ...devices["Desktop Chrome"] },
+    },
+
+    // {
+    //   name: "firefox",
+    //   use: { ...devices["Desktop Firefox"] },
+    // },
+
+    // {
+    //   name: "webkit",
+    //   use: { ...devices["Desktop Safari"] },
+    // },
+
+    /* Test against mobile viewports. */
+    // {
+    //   name: 'Mobile Chrome',
+    //   use: { ...devices['Pixel 5'] },
+    // },
+    // {
+    //   name: 'Mobile Safari',
+    //   use: { ...devices['iPhone 12'] },
+    // },
+
+    /* Test against branded browsers. */
+    // {
+    //   name: 'Microsoft Edge',
+    //   use: { ...devices['Desktop Edge'], channel: 'msedge' },
+    // },
+    // {
+    //   name: 'Google Chrome',
+    //   use: { ..devices['Desktop Chrome'], channel: 'chrome' },
+    // },
+  ],
+
+  /* Run your local dev server before starting the tests */
+  // webServer: {
+  //   command: "cd ../ && trunk serve",
+  //   url: "http://127.0.0.1:8080",
+  //   reuseExistingServer: false, //!process.env.CI,
+  // },
+});

examples/counters_stable/e2e/tests/add_1k_counters.spec.ts

@@ -0,0 +1,19 @@
+import { test, expect } from "@playwright/test";
+import { CountersPage } from "./fixtures/counters_page";
+
+test.describe("Add 1000 Counters", () => {
+  test("should increase the number of counters", async ({ page }) => {
+    const ui = new CountersPage(page);
+
+    await Promise.all([
+      await ui.goto(),
+      await ui.addOneThousandCountersButton.waitFor(),
+    ]);
+
+    await ui.addOneThousandCounters();
+    await ui.addOneThousandCounters();
+    await ui.addOneThousandCounters();
+
+    await expect(ui.counters).toHaveText("3000");
+  });
+});

examples/counters_stable/e2e/tests/add_counter.spec.ts

@@ -0,0 +1,15 @@
+import { test, expect } from "@playwright/test";
+import { CountersPage } from "./fixtures/counters_page";
+
+test.describe("Add Counter", () => {
+  test("should increase the number of counters", async ({ page }) => {
+    const ui = new CountersPage(page);
+    await ui.goto();
+
+    await ui.addCounter();
+    await ui.addCounter();
+    await ui.addCounter();
+
+    await expect(ui.counters).toHaveText("3");
+  });
+});

examples/counters_stable/e2e/tests/clear_counters.spec.ts

@@ -0,0 +1,18 @@
+import { test, expect } from "@playwright/test";
+import { CountersPage } from "./fixtures/counters_page";
+
+test.describe("Clear Counters", () => {
+  test("should reset the counts", async ({ page }) => {
+    const ui = new CountersPage(page);
+    await ui.goto();
+
+    await ui.addCounter();
+    await ui.addCounter();
+    await ui.addCounter();
+
+    await ui.clearCounters();
+
+    await expect(ui.total).toHaveText("0");
+    await expect(ui.counters).toHaveText("0");
+  });
+});

examples/counters_stable/e2e/tests/decrement_count.spec.ts

@@ -0,0 +1,16 @@
+import { test, expect } from "@playwright/test";
+import { CountersPage } from "./fixtures/counters_page";
+
+test.describe("Decrement Count", () => {
+  test("should decrease the total count", async ({ page }) => {
+    const ui = new CountersPage(page);
+    await ui.goto();
+    await ui.addCounter();
+
+    await ui.decrementCount();
+    await ui.decrementCount();
+    await ui.decrementCount();
+
+    await expect(ui.total).toHaveText("-3");
+  });
+});

examples/counters_stable/e2e/tests/enter_count.spec.ts

@@ -0,0 +1,30 @@
+import { test, expect } from "@playwright/test";
+import { CountersPage } from "./fixtures/counters_page";
+
+test.describe("Enter Count", () => {
+  test("should increase the total count", async ({ page }) => {
+    const ui = new CountersPage(page);
+    await ui.goto();
+    await ui.addCounter();
+
+    await ui.enterCount("5");
+
+    await expect(ui.total).toHaveText("5");
+    await expect(ui.counters).toHaveText("1");
+  });
+
+  test("should decrease the total count", async ({ page }) => {
+    const ui = new CountersPage(page);
+    await ui.goto();
+    await ui.addCounter();
+    await ui.addCounter();
+    await ui.addCounter();
+
+    await ui.enterCount("100");
+    await ui.enterCount("100", 1);
+    await ui.enterCount("100", 2);
+    await ui.enterCount("50", 1);
+
+    await expect(ui.total).toHaveText("250");
+  });
+});

examples/counters_stable/e2e/tests/fixtures/counters_page.ts

@@ -0,0 +1,98 @@
+import { expect, Locator, Page } from "@playwright/test";
+
+export class CountersPage {
+  readonly page: Page;
+  readonly addCounterButton: Locator;
+  readonly addOneThousandCountersButton: Locator;
+  readonly clearCountersButton: Locator;
+
+  readonly incrementCountButton: Locator;
+  readonly counterInput: Locator;
+  readonly decrementCountButton: Locator;
+  readonly removeCountButton: Locator;
+
+  readonly total: Locator;
+  readonly counters: Locator;
+
+  constructor(page: Page) {
+    this.page = page;
+
+    this.addCounterButton = page.locator("button", { hasText: "Add Counter" });
+
+    this.addOneThousandCountersButton = page.locator("button", {
+      hasText: "Add 1000 Counters",
+    });
+
+    this.clearCountersButton = page.locator("button", {
+      hasText: "Clear Counters",
+    });
+
+    this.decrementCountButton = page.locator("button", {
+      hasText: "-1",
+    });
+
+    this.incrementCountButton = page.locator("button", {
+      hasText: "+1",
+    });
+
+    this.removeCountButton = page.locator("button", {
+      hasText: "x",
+    });
+
+    this.total = page.getByTestId("total");
+
+    this.counters = page.getByTestId("counters");
+
+    this.counterInput = page.getByRole("textbox");
+  }
+
+  async goto() {
+    await this.page.goto("/");
+  }
+
+  async addCounter() {
+    await Promise.all([
+      this.addCounterButton.waitFor(),
+      this.addCounterButton.click(),
+    ]);
+  }
+
+  async addOneThousandCounters() {
+    this.addOneThousandCountersButton.click();
+  }
+
+  async decrementCount(index: number = 0) {
+    await Promise.all([
+      this.decrementCountButton.nth(index).waitFor(),
+      this.decrementCountButton.nth(index).click(),
+    ]);
+  }
+
+  async incrementCount(index: number = 0) {
+    await Promise.all([
+      this.incrementCountButton.nth(index).waitFor(),
+      this.incrementCountButton.nth(index).click(),
+    ]);
+  }
+
+  async clearCounters() {
+    await Promise.all([
+      this.clearCountersButton.waitFor(),
+      this.clearCountersButton.click(),
+    ]);
+  }
+
+  async enterCount(count: string, index: number = 0) {
+    await Promise.all([
+      this.counterInput.nth(index).waitFor(),
+      this.counterInput.nth(index).fill(count),
+    ]);
+  }
+
+  async removeCounter(index: number = 0) {
+    await Promise.all([
+      this.removeCountButton.nth(index).waitFor(),
+      this.removeCountButton.nth(index).click(),
+    ]);
+  }
+}

examples/counters_stable/e2e/tests/increment_count.spec.ts

@@ -0,0 +1,16 @@
+import { test, expect } from "@playwright/test";
+import { CountersPage } from "./fixtures/counters_page";
+
+test.describe("Increment Count", () => {
+  test("should increase the total count", async ({ page }) => {
+    const ui = new CountersPage(page);
+    await ui.goto();
+    await ui.addCounter();
+
+    await ui.incrementCount();
+    await ui.incrementCount();
+    await ui.incrementCount();
+
+    await expect(ui.total).toHaveText("3");
+  });
+});

examples/counters_stable/e2e/tests/remove_counter.spec.ts

@@ -0,0 +1,17 @@
+import { test, expect } from "@playwright/test";
+import { CountersPage } from "./fixtures/counters_page";
+
+test.describe("Remove Counter", () => {
+  test("should decrement the number of counters", async ({ page }) => {
+    const ui = new CountersPage(page);
+    await ui.goto();
+
+    await ui.addCounter();
+    await ui.addCounter();
+    await ui.addCounter();
+
+    await ui.removeCounter(1);
+
+    await expect(ui.counters).toHaveText("2");
+  });
+});

examples/counters_stable/e2e/tests/view_counters.spec.ts

@@ -0,0 +1,19 @@
+import { test, expect } from "@playwright/test";
+import { CountersPage } from "./fixtures/counters_page";
+
+test.describe("View Counters", () => {
+  test("should see the title", async ({ page }) => {
+    const ui = new CountersPage(page);
+    await ui.goto();
+
+    await expect(page).toHaveTitle("Counters (Stable)");
+  });
+
+  test("should see the initial counts", async ({ page }) => {
+    const counters = new CountersPage(page);
+    await counters.goto();
+
+    await expect(counters.total).toHaveText("0");
+    await expect(counters.counters).toHaveText("0");
+  });
+});

examples/counters_stable/index.html

@@ -0,0 +1,7 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <link data-trunk rel="rust" data-wasm-opt="z" data-weak-refs />
+  </head>
+  <body></body>
+</html>

examples/counters_stable/package.json

@@ -0,0 +1,11 @@
+{
+  "private": "true",
+  "scripts": {
+    "start-server": "trunk serve",
+    "e2e": "cargo make test-playwright",
+    "e2e:auto-start": "start-server-and-test start-server http://127.0.0.1:8080 e2e"
+  },
+  "devDependencies": {
+    "start-server-and-test": "^1.15.4"
+  }
+}

examples/counters_stable/src/lib.rs

@@ -0,0 +1,118 @@
+use leptos::*;
+use leptos_meta::*;
+
+const MANY_COUNTERS: usize = 1000;
+
+type CounterHolder = Vec<(usize, (ReadSignal<i32>, WriteSignal<i32>))>;
+
+#[derive(Copy, Clone)]
+struct CounterUpdater {
+    set_counters: WriteSignal<CounterHolder>,
+}
+
+#[component]
+pub fn Counters() -> impl IntoView {
+    let (next_counter_id, set_next_counter_id) = create_signal(0);
+    let (counters, set_counters) = create_signal::<CounterHolder>(vec![]);
+    provide_context(CounterUpdater { set_counters });
+
+    let add_counter = move |_| {
+        let id = next_counter_id.get();
+        let sig = create_signal(0);
+        set_counters.update(move |counters| counters.push((id, sig)));
+        set_next_counter_id.update(|id| *id += 1);
+    };
+
+    let add_many_counters = move |_| {
+        let next_id = next_counter_id.get();
+        let new_counters = (next_id..next_id + MANY_COUNTERS).map(|id| {
+            let signal = create_signal(0);
+            (id, signal)
+        });
+
+        set_counters.update(move |counters| counters.extend(new_counters));
+        set_next_counter_id.update(|id| *id += MANY_COUNTERS);
+    };
+
+    let clear_counters = move |_| {
+        set_counters.update(|counters| counters.clear());
+    };
+
+    view! {
+        <Title text="Counters (Stable)" />
+        <div>
+            <button on:click=add_counter>
+                "Add Counter"
+            </button>
+            <button on:click=add_many_counters>
+                {format!("Add {MANY_COUNTERS} Counters")}
+            </button>
+            <button on:click=clear_counters>
+                "Clear Counters"
+            </button>
+            <p>
+                "Total: "
+                <span data-testid="total">{move ||
+                    counters.get()
+                        .iter()
+                        .map(|(_, (count, _))| count.get())
+                        .sum::<i32>()
+                        .to_string()
+                }</span>
+                " from "
+                <span data-testid="counters">{move || counters.with(|counters| counters.len()).to_string()}</span>
+                " counters."
+            </p>
+            <ul>
+                <For
+                    each={move || counters.get()}
+                    key={|counter| counter.0}
+                    children=move |(id, (value, set_value))| {
+                        view! {
+                            <Counter id value set_value/>
+                        }
+                    }
+                />
+            </ul>
+        </div>
+    }
+}
+
+#[component]
+fn Counter(
+    id: usize,
+    value: ReadSignal<i32>,
+    set_value: WriteSignal<i32>,
+) -> impl IntoView {
+    let CounterUpdater { set_counters } = use_context().unwrap();
+
+    let input = move |ev| {
+        set_value
+            .set(event_target_value(&ev).parse::<i32>().unwrap_or_default())
+    };
+
+    // this will run when the scope is disposed, i.e., when this row is deleted
+    // because the signal was created in the parent scope, it won't be disposed
+    // of until the parent scope is. but we no longer need it, so we'll dispose of
+    // it when this row is deleted, instead. if we don't dispose of it here,
+    // this memory will "leak," i.e., the signal will continue to exist until the
+    // parent component is removed. in the case of this component, where it's the
+    // root, that's the lifetime of the program.
+    on_cleanup(move || {
+        log::debug!("deleted a row");
+        value.dispose();
+    });
+
+    view! {
+        <li>
+            <button data-testid="decrement_count" on:click=move |_| set_value.update(move |value| *value -= 1)>"-1"</button>
+            <input data-testid="counter_input" type="text"
+                prop:value={move || value.get().to_string()}
+                on:input=input
+            />
+            <span>{value}</span>
+            <button data-testid="increment_count" on:click=move |_| set_value.update(move |value| *value += 1)>"+1"</button>
+            <button data-testid="remove_counter" on:click=move |_| set_counters.update(move |counters| counters.retain(|(counter_id, _)| counter_id != &id))>"x"</button>
+        </li>
+    }
+}

examples/counters_stable/src/main.rs

@@ -0,0 +1,8 @@
+use counters_stable::Counters;
+use leptos::*;
+
+fn main() {
+    _ = console_log::init_with_level(log::Level::Debug);
+    console_error_panic_hook::set_once();
+    mount_to_body(|| view! { <Counters/> })
+}

examples/counters_stable/tests/web/add_1k_counters.rs

@@ -0,0 +1,17 @@
+use super::*;
+use crate::counters_page as ui;
+use pretty_assertions::assert_eq;
+
+#[wasm_bindgen_test]
+fn should_increase_the_number_of_counters() {
+    // Given
+    ui::view_counters();
+
+    // When
+    ui::add_1k_counters();
+    ui::add_1k_counters();
+    ui::add_1k_counters();
+
+    // Then
+    assert_eq!(ui::counters(), 3000);
+}

examples/counters_stable/tests/web/add_counter.rs

@@ -0,0 +1,17 @@
+use super::*;
+use crate::counters_page as ui;
+use pretty_assertions::assert_eq;
+
+#[wasm_bindgen_test]
+fn should_increase_the_number_of_counters() {
+    // Given
+    ui::view_counters();
+
+    // When
+    ui::add_counter();
+    ui::add_counter();
+    ui::add_counter();
+
+    // Then
+    assert_eq!(ui::counters(), 3);
+}

examples/counters_stable/tests/web/clear_counters.rs

@@ -0,0 +1,19 @@
+use super::*;
+use crate::counters_page as ui;
+use pretty_assertions::assert_eq;
+
+#[wasm_bindgen_test]
+fn should_reset_the_counts() {
+    // Given
+    ui::view_counters();
+    ui::add_counter();
+    ui::add_counter();
+    ui::add_counter();
+
+    // When
+    ui::clear_counters();
+
+    // Then
+    assert_eq!(ui::total(), 0);
+    assert_eq!(ui::counters(), 0);
+}

examples/counters_stable/tests/web/decrement_counter.rs

@@ -0,0 +1,18 @@
+use super::*;
+use crate::counters_page as ui;
+use pretty_assertions::assert_eq;
+
+#[wasm_bindgen_test]
+fn should_decrease_the_total_count() {
+    // Given
+    ui::view_counters();
+    ui::add_counter();
+
+    // When
+    ui::decrement_counter(1);
+    ui::decrement_counter(1);
+    ui::decrement_counter(1);
+
+    // Then
+    assert_eq!(ui::total(), -3);
+}

examples/counters_stable/tests/web/enter_count.rs

@@ -0,0 +1,34 @@
+use super::*;
+use crate::counters_page as ui;
+use pretty_assertions::assert_eq;
+
+#[wasm_bindgen_test]
+fn should_increase_the_total_count() {
+    // Given
+    ui::view_counters();
+    ui::add_counter();
+
+    // When
+    ui::enter_count(1, 5);
+
+    // Then
+    assert_eq!(ui::total(), 5);
+}
+
+#[wasm_bindgen_test]
+fn should_decrease_the_total_count() {
+    // Given
+    ui::view_counters();
+    ui::add_counter();
+    ui::add_counter();
+    ui::add_counter();
+
+    // When
+    ui::enter_count(1, 100);
+    ui::enter_count(2, 100);
+    ui::enter_count(3, 100);
+    ui::enter_count(1, 50);
+
+    // Then
+    assert_eq!(ui::total(), 250);
+}

examples/counters_stable/tests/web/fixtures/counters_page.rs

@@ -0,0 +1,112 @@
+use counters_stable::Counters;
+use leptos::*;
+use wasm_bindgen::JsCast;
+use web_sys::{Element, Event, EventInit, HtmlElement, HtmlInputElement};
+
+// Actions
+
+pub fn add_1k_counters() {
+    find_by_text("Add 1000 Counters").click();
+}
+
+pub fn add_counter() {
+    find_by_text("Add Counter").click();
+}
+
+pub fn clear_counters() {
+    find_by_text("Clear Counters").click();
+}
+
+pub fn decrement_counter(index: u32) {
+    counter_html_element(index, "decrement_count").click();
+}
+
+pub fn enter_count(index: u32, count: i32) {
+    let input = counter_input_element(index, "counter_input");
+    input.set_value(count.to_string().as_str());
+    let mut event_init = EventInit::new();
+    event_init.bubbles(true);
+    let event = Event::new_with_event_init_dict("input", &event_init).unwrap();
+    input.dispatch_event(&event).unwrap();
+}
+
+pub fn increment_counter(index: u32) {
+    counter_html_element(index, "increment_count").click();
+}
+
+pub fn remove_counter(index: u32) {
+    counter_html_element(index, "remove_counter").click();
+}
+
+pub fn view_counters() {
+    remove_existing_counters();
+    mount_to_body(|| view! { <Counters/> });
+}
+
+// Results
+
+pub fn counters() -> i32 {
+    data_test_id("counters").parse::<i32>().unwrap()
+}
+
+pub fn title() -> String {
+    leptos::document().title()
+}
+
+pub fn total() -> i32 {
+    data_test_id("total").parse::<i32>().unwrap()
+}
+
+// Internal
+
+fn counter_element(index: u32, text: &str) -> Element {
+    let selector =
+        format!("li:nth-child({}) [data-testid=\"{}\"]", index, text);
+    leptos::document()
+        .query_selector(&selector)
+        .unwrap()
+        .unwrap()
+}
+
+fn counter_html_element(index: u32, text: &str) -> HtmlElement {
+    counter_element(index, text)
+        .dyn_into::<HtmlElement>()
+        .unwrap()
+}
+
+fn counter_input_element(index: u32, text: &str) -> HtmlInputElement {
+    counter_element(index, text)
+        .dyn_into::<HtmlInputElement>()
+        .unwrap()
+}
+
+fn data_test_id(id: &str) -> String {
+    let selector = format!("[data-testid=\"{}\"]", id);
+    leptos::document()
+        .query_selector(&selector)
+        .unwrap()
+        .expect("counters not found")
+        .text_content()
+        .unwrap()
+}
+
+fn find_by_text(text: &str) -> HtmlElement {
+    let xpath = format!("//*[text()='{}']", text);
+    let document = leptos::document();
+    document
+        .evaluate(&xpath, &document)
+        .unwrap()
+        .iterate_next()
+        .unwrap()
+        .unwrap()
+        .dyn_into::<HtmlElement>()
+        .unwrap()
+}
+
+fn remove_existing_counters() {
+    if let Some(counter) =
+        leptos::document().query_selector("body div").unwrap()
+    {
+        counter.remove();
+    }
+}

examples/counters_stable/tests/web/fixtures/mod.rs

@@ -0,0 +1 @@
+pub mod counters_page;

examples/counters_stable/tests/web/increment_counter.rs

@@ -0,0 +1,18 @@
+use super::*;
+use crate::counters_page as ui;
+use pretty_assertions::assert_eq;
+
+#[wasm_bindgen_test]
+fn should_increase_the_total_count() {
+    // Given
+    ui::view_counters();
+    ui::add_counter();
+
+    // When
+    ui::increment_counter(1);
+    ui::increment_counter(1);
+    ui::increment_counter(1);
+
+    // Then
+    assert_eq!(ui::total(), 3);
+}

examples/counters_stable/tests/web/main.rs

@@ -0,0 +1,16 @@
+use wasm_bindgen_test::*;
+
+// Test Suites
+pub mod add_1k_counters;
+pub mod add_counter;
+pub mod clear_counters;
+pub mod decrement_counter;
+pub mod enter_count;
+pub mod increment_counter;
+pub mod remove_counter;
+pub mod view_counters;
+
+pub mod fixtures;
+pub use fixtures::*;
+
+wasm_bindgen_test_configure!(run_in_browser);

examples/counters_stable/tests/web/remove_counter.rs

@@ -0,0 +1,18 @@
+use super::*;
+use crate::counters_page as ui;
+use pretty_assertions::assert_eq;
+
+#[wasm_bindgen_test]
+fn should_decrement_the_number_of_counters() {
+    // Given
+    ui::view_counters();
+    ui::add_counter();
+    ui::add_counter();
+    ui::add_counter();
+
+    // When
+    ui::remove_counter(2);
+
+    // Then
+    assert_eq!(ui::counters(), 2);
+}

examples/counters_stable/tests/web/view_counters.rs

@@ -0,0 +1,22 @@
+use super::*;
+use crate::counters_page as ui;
+use pretty_assertions::assert_eq;
+
+#[wasm_bindgen_test]
+fn should_see_the_initial_counts() {
+    // When
+    ui::view_counters();
+
+    // Then
+    assert_eq!(ui::total(), 0);
+    assert_eq!(ui::counters(), 0);
+}
+
+#[wasm_bindgen_test]
+fn should_see_the_title() {
+    // When
+    ui::view_counters();
+
+    // Then
+    assert_eq!(ui::title(), "Counters (Stable)");
+}

examples/directives/Cargo.toml

@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = { path = "../../leptos", features = ["csr"] }
+leptos = { path = "../../leptos", features = ["csr", "nightly"] }
 log = "0.4"
 console_log = "1"
 console_error_panic_hook = "0.1.7"
@@ -12,6 +12,6 @@ web-sys = { version = "0.3", features = ["Clipboard", "Navigator"] }
 
 [dev-dependencies]
 wasm-bindgen-test = "0.3.0"
-wasm-bindgen = "0.2"
+wasm-bindgen = "=0.2.92"
 web-sys = "0.3"
 gloo-timers = { version = "0.3", features = ["futures"] }

examples/directives/rust-toolchain.toml

@@ -1,2 +1,2 @@
 [toolchain]
-channel = "stable" # test change
+channel = "nightly-2024-01-29"

examples/error_boundary/Cargo.toml

@@ -8,7 +8,7 @@ codegen-units = 1
 lto = true
 
 [dependencies]
-leptos = { path = "../../leptos", features = ["csr"] }
+leptos = { path = "../../leptos", features = ["csr", "nightly"] }
 console_log = "1"
 log = "0.4"
 console_error_panic_hook = "0.1.7"

examples/error_boundary/rust-toolchain.toml

@@ -1,2 +1,2 @@
 [toolchain]
-channel = "stable" # test change
+channel = "nightly-2024-01-29"

examples/error_boundary/src/lib.rs

@@ -5,8 +5,7 @@ pub fn App() -> impl IntoView {
     let (value, set_value) = create_signal(Ok(0));
 
     // when input changes, try to parse a number from the input
-    let on_input =
-        move |ev| set_value.set(event_target_value(&ev).parse::<i32>());
+    let on_input = move |ev| set_value(event_target_value(&ev).parse::<i32>());
 
     view! {
         <h1>"Error Handling"</h1>

examples/errors_axum/Cargo.toml

@@ -9,7 +9,7 @@ crate-type = ["cdylib", "rlib"]
 [dependencies]
 console_log = "1.0"
 console_error_panic_hook = "0.1"
-leptos = { path = "../../leptos" }
+leptos = { path = "../../leptos", features = ["nightly"] }
 leptos_axum = { path = "../../integrations/axum", optional = true }
 leptos_meta = { path = "../../meta" }
 leptos_router = { path = "../../router" }
@@ -22,7 +22,7 @@ tower-http = { version = "0.5", features = ["fs"], optional = true }
 tokio = { version = "1", features = ["full"], optional = true }
 http = { version = "1.0" }
 thiserror = "1.0"
-wasm-bindgen = "0.2"
+wasm-bindgen = "=0.2.92"
 
 [features]
 hydrate = ["leptos/hydrate", "leptos_meta/hydrate", "leptos_router/hydrate"]

examples/errors_axum/rust-toolchain.toml

@@ -1,2 +1,2 @@
 [toolchain]
-channel = "stable" # test change
+channel = "nightly-2024-01-29"

examples/errors_axum/src/error_template.rs

@@ -1,5 +1,5 @@
 use crate::errors::AppError;
-use leptos::{logging::log, *};
+use leptos::{logging::log, Errors, *};
 #[cfg(feature = "ssr")]
 use leptos_axum::ResponseOptions;
 

examples/fetch/Cargo.toml

@@ -8,7 +8,7 @@ codegen-units = 1
 lto = true
 
 [dependencies]
-leptos = { path = "../../leptos", features = ["csr"] }
+leptos = { path = "../../leptos", features = ["csr", "nightly"] }
 reqwasm = "0.5"
 serde = { version = "1", features = ["derive"] }
 log = "0.4"

examples/fetch/rust-toolchain.toml

@@ -1,2 +1,2 @@
 [toolchain]
-channel = "stable" # test change
+channel = "nightly-2024-01-29"

examples/fetch/src/lib.rs

@@ -44,7 +44,7 @@ pub fn fetch_example() -> impl IntoView {
     // 1) our error type isn't serializable/deserializable
     // 2) we're not doing server-side rendering in this example anyway
     //    (during SSR, create_resource will begin loading on the server and resolve on the client)
-    let cats = create_local_resource(move || cat_count.get(), fetch_cats);
+    let cats = create_local_resource(cat_count, fetch_cats);
 
     let fallback = move |errors: RwSignal<Errors>| {
         let error_list = move || {
@@ -85,7 +85,7 @@ pub fn fetch_example() -> impl IntoView {
                     prop:value=move || cat_count.get().to_string()
                     on:input=move |ev| {
                         let val = event_target_value(&ev).parse::<CatCount>().unwrap_or(0);
-                        set_cat_count.set(val);
+                        set_cat_count(val);
                     }
                 />
             </label>

examples/gtk/Cargo.toml

@@ -4,5 +4,5 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-leptos = { path = "../../leptos", features = ["csr"] }
+leptos = { path = "../../leptos", features = ["csr", "nightly"] }
 gtk = { version = "0.5.0", package = "gtk4" }

examples/gtk/src/main.rs

@@ -51,7 +51,7 @@ fn counter_button() -> Button {
     create_effect({
         let button = button.clone();
         move |_| {
-            button.set_label(&format!("Count: {}", value.get()));
+            button.set_label(&format!("Count: {}", value()));
         }
     });
 

examples/hackernews/Cargo.toml

@@ -15,17 +15,17 @@ actix-files = { version = "0.6", optional = true }
 actix-web = { version = "4", optional = true, features = ["macros"] }
 console_log = "1"
 console_error_panic_hook = "0.1"
-leptos = { path = "../../leptos" }
-leptos_meta = { path = "../../meta" }
+leptos = { path = "../../leptos", features = ["nightly"] }
+leptos_meta = { path = "../../meta", features = ["nightly"] }
 leptos_actix = { path = "../../integrations/actix", optional = true }
-leptos_router = { path = "../../router" }
+leptos_router = { path = "../../router", features = ["nightly"] }
 log = "0.4"
 serde = { version = "1", features = ["derive"] }
 gloo-net = { version = "0.2", features = ["http"] }
 reqwest = { version = "0.11", features = ["json"] }
 tracing = "0.1"
 # openssl = { version = "0.10", features = ["v110"] }
-wasm-bindgen = "0.2"
+wasm-bindgen = "=0.2.92"
 web-sys = { version = "0.3", features = ["AbortController", "AbortSignal"] }
 
 [features]

examples/hackernews/rust-toolchain.toml

@@ -1,2 +1,2 @@
 [toolchain]
-channel = "stable" # test change
+channel = "nightly-2024-01-29"

examples/hackernews/src/main.rs

@@ -52,5 +52,5 @@ fn main() {
 
     _ = console_log::init_with_level(log::Level::Debug);
     console_error_panic_hook::set_once();
-    leptos::mount_to_body(App)
+    mount_to_body(App)
 }

examples/hackernews/src/routes/stories.rs

@@ -37,7 +37,7 @@ pub fn Stories() -> impl IntoView {
 
     let hide_more_link = move || {
         stories.get().unwrap_or(None).unwrap_or_default().len() < 28
-            || pending.get()
+            || pending()
     };
 
     view! {

examples/hackernews/src/routes/story.rs

@@ -7,7 +7,7 @@ use leptos_router::*;
 pub fn Story() -> impl IntoView {
     let params = use_params_map();
     let story = create_resource(
-        move || params.get().get("id").cloned().unwrap_or_default(),
+        move || params().get("id").cloned().unwrap_or_default(),
         move |id| async move {
             if id.is_empty() {
                 None
@@ -87,7 +87,7 @@ pub fn Comment(comment: api::Comment) -> impl IntoView {
                         <a on:click=move |_| set_open.update(|n| *n = !*n)>
                             {
                                 let comments_len = comment.comments.len();
-                                move || if open.get() {
+                                move || if open() {
                                     "[-]".into()
                                 } else {
                                     format!("[+] {}{} collapsed", comments_len, pluralize(comments_len))
@@ -95,7 +95,7 @@ pub fn Comment(comment: api::Comment) -> impl IntoView {
                             }
                         </a>
                     </div>
-                    {move || open.get().then({
+                    {move || open().then({
                         let comments = comment.comments.clone();
                         move || view! {
                             <ul class="comment-children">

examples/hackernews/src/routes/users.rs

@@ -6,7 +6,7 @@ use leptos_router::*;
 pub fn User() -> impl IntoView {
     let params = use_params_map();
     let user = create_resource(
-        move || params.get().get("id").cloned().unwrap_or_default(),
+        move || params().get("id").cloned().unwrap_or_default(),
         move |id| async move {
             if id.is_empty() {
                 None

examples/hackernews_axum/Cargo.toml

@@ -13,10 +13,10 @@ lto = true
 [dependencies]
 console_log = "1.0"
 console_error_panic_hook = "0.1"
-leptos = { path = "../../leptos" }
+leptos = { path = "../../leptos", features = ["nightly"] }
 leptos_axum = { path = "../../integrations/axum", optional = true }
-leptos_meta = { path = "../../meta" }
-leptos_router = { path = "../../router" }
+leptos_meta = { path = "../../meta", features = ["nightly"] }
+leptos_router = { path = "../../router", features = ["nightly"] }
 log = "0.4"
 simple_logger = "4.0"
 serde = { version = "1.0", features = ["derive"] }
@@ -29,7 +29,7 @@ tower-http = { version = "0.5", features = ["fs"], optional = true }
 tokio = { version = "1", features = ["full"], optional = true }
 http = { version = "1.0", optional = true }
 web-sys = { version = "0.3", features = ["AbortController", "AbortSignal"] }
-wasm-bindgen = "0.2"
+wasm-bindgen = "=0.2.92"
 
 [features]
 default = ["csr"]

examples/hackernews_axum/rust-toolchain.toml

@@ -1,2 +1,2 @@
 [toolchain]
-channel = "stable" # test change
+channel = "nightly-2024-01-29"

examples/hackernews_axum/src/error_template.rs

@@ -1,4 +1,4 @@
-use leptos::{view, Errors, For, IntoView, RwSignal, SignalGet, View};
+use leptos::{view, Errors, For, IntoView, RwSignal, View};
 
 // A basic function to display errors served by the error boundaries. Feel free to do more complicated things
 // here than just displaying them
@@ -11,7 +11,7 @@ pub fn error_template(errors: Option<RwSignal<Errors>>) -> View {
       <h1>"Errors"</h1>
       <For
           // a function that returns the items we're iterating over; a signal is fine
-          each=move ||  errors.get()
+          each=errors
           // a unique key for each item as a reference
           key=|(key, _)| key.clone()
           // renders each item to a view

examples/hackernews_axum/src/routes/stories.rs

@@ -37,7 +37,7 @@ pub fn Stories() -> impl IntoView {
 
     let hide_more_link = move || {
         stories.get().unwrap_or(None).unwrap_or_default().len() < 28
-            || pending.get()
+            || pending()
     };
 
     view! {

examples/hackernews_axum/src/routes/story.rs

@@ -7,7 +7,7 @@ use leptos_router::*;
 pub fn Story() -> impl IntoView {
     let params = use_params_map();
     let story = create_resource(
-        move || params.get().get("id").cloned().unwrap_or_default(),
+        move || params().get("id").cloned().unwrap_or_default(),
         move |id| async move {
             if id.is_empty() {
                 None
@@ -80,14 +80,14 @@ pub fn Comment(comment: api::Comment) -> impl IntoView {
             {format!(" {}", comment.time_ago)}
         </div>
         <div class="text" inner_html=comment.content></div>
-        {(!comment.comments.is_empty()).then(move || {
+        {(!comment.comments.is_empty()).then(|| {
             view! {
                 <div>
-                    <div class="toggle" class:open=move ||open.get()>
+                    <div class="toggle" class:open=open>
                         <a on:click=move |_| set_open.update(|n| *n = !*n)>
                             {
                                 let comments_len = comment.comments.len();
-                                move || if open.get() {
+                                move || if open() {
                                     "[-]".into()
                                 } else {
                                     format!("[+] {}{} collapsed", comments_len, pluralize(comments_len))
@@ -95,7 +95,7 @@ pub fn Comment(comment: api::Comment) -> impl IntoView {
                             }
                         </a>
                     </div>
-                    {move || open.get().then({
+                    {move || open().then({
                         let comments = comment.comments.clone();
                         move || view! {
                             <ul class="comment-children">

examples/hackernews_axum/src/routes/users.rs

@@ -6,7 +6,7 @@ use leptos_router::*;
 pub fn User() -> impl IntoView {
     let params = use_params_map();
     let user = create_resource(
-        move || params.get().get("id").cloned().unwrap_or_default(),
+        move || params().get("id").cloned().unwrap_or_default(),
         move |id| async move {
             if id.is_empty() {
                 None

examples/hackernews_islands_axum/Cargo.toml

@@ -14,13 +14,14 @@ lto = true
 console_log = "1.0"
 console_error_panic_hook = "0.1"
 leptos = { path = "../../leptos", features = [
+  "nightly",
   "experimental-islands",
 ] }
 leptos_axum = { path = "../../integrations/axum", optional = true, features = [
   "experimental-islands",
 ] }
-leptos_meta = { path = "../../meta" }
-leptos_router = { path = "../../router"}
+leptos_meta = { path = "../../meta", features = ["nightly"] }
+leptos_router = { path = "../../router", features = ["nightly"] }
 log = "0.4"
 simple_logger = "4.0"
 serde = { version = "1.0", features = ["derive"] }
@@ -36,7 +37,7 @@ tower-http = { version = "0.5", features = [
 tokio = { version = "1", features = ["full"], optional = true }
 http = { version = "1.0", optional = true }
 web-sys = { version = "0.3", features = ["AbortController", "AbortSignal"] }
-wasm-bindgen = "0.2"
+wasm-bindgen = "=0.2.92"
 lazy_static = "1.4.0"
 
 [features]

examples/hackernews_islands_axum/rust-toolchain.toml

@@ -1,2 +1,2 @@
 [toolchain]
-channel = "stable" # test change
+channel = "nightly-2024-01-29"

examples/hackernews_islands_axum/src/error_template.rs

@@ -1,4 +1,4 @@
-use leptos::{view, Errors, For, IntoView, RwSignal, SignalGet, View};
+use leptos::{view, Errors, For, IntoView, RwSignal, View};
 
 // A basic function to display errors served by the error boundaries. Feel free to do more complicated things
 // here than just displaying them
@@ -11,7 +11,7 @@ pub fn error_template(errors: Option<RwSignal<Errors>>) -> View {
       <h1>"Errors"</h1>
       <For
           // a function that returns the items we're iterating over; a signal is fine
-          each=move || errors.get()
+          each=errors
           // a unique key for each item as a reference
           key=|(key, _)| key.clone()
           // renders each item to a view

examples/hackernews_islands_axum/src/lib.rs

@@ -1,3 +1,5 @@
+#![feature(lazy_cell)]
+
 use leptos::*;
 use leptos_meta::*;
 use leptos_router::*;

examples/hackernews_islands_axum/src/routes/stories.rs

@@ -45,7 +45,7 @@ pub fn Stories() -> impl IntoView {
     let (pending, set_pending) = create_signal(false);
 
     let hide_more_link = move || {
-        pending.get()
+        pending()
             || stories
                 .map(|stories| {
                     stories.as_ref().map(|s| s.len() < 28).unwrap_or_default()

examples/hackernews_islands_axum/src/routes/story.rs

@@ -17,7 +17,7 @@ pub async fn fetch_story(
 pub fn Story() -> impl IntoView {
     let params = use_params_map();
     let story = create_resource(
-        move || params.get().get("id").cloned().unwrap_or_default(),
+        move || params().get("id").cloned().unwrap_or_default(),
         move |id| async move {
             if id.is_empty() {
                 Ok(RefCell::new(None))
@@ -94,7 +94,7 @@ pub fn Toggle(children: Children) -> impl IntoView {
     view! {
         <div class="toggle" class:open=open>
             <a on:click=move |_| set_open.update(|n| *n = !*n)>
-                {move || if open.get() {
+                {move || if open() {
                     "[-]"
                 } else {
                     "[+] comments collapsed"
@@ -103,7 +103,7 @@ pub fn Toggle(children: Children) -> impl IntoView {
         </div>
         <ul
             class="comment-children"
-            style:display=move || if open.get() {
+            style:display=move || if open() {
                 "block"
             } else {
                 "none"

examples/hackernews_islands_axum/src/routes/users.rs

@@ -14,7 +14,7 @@ pub async fn fetch_user(
 pub fn User() -> impl IntoView {
     let params = use_params_map();
     let user = create_resource(
-        move || params.get().get("id").cloned().unwrap_or_default(),
+        move || params().get("id").cloned().unwrap_or_default(),
         move |id| async move {
             if id.is_empty() {
                 Ok(None)

examples/hackernews_js_fetch/Cargo.toml

@@ -14,10 +14,10 @@ lto = true
 console_log = "1.0.0"
 console_error_panic_hook = "0.1.7"
 cfg-if = "1.0.0"
-leptos = { version = "0.5" }
+leptos = { version = "0.5", features = ["nightly"] }
 leptos_axum = { version = "0.5", default-features = false, optional = true }
-leptos_meta = { version = "0.5" }
-leptos_router = { version = "0.5" }
+leptos_meta = { version = "0.5", features = ["nightly"] }
+leptos_router = { version = "0.5", features = ["nightly"] }
 log = "0.4.17"
 simple_logger = "4.0.0"
 serde = { version = "1.0.148", features = ["derive"] }
@@ -33,7 +33,7 @@ web-sys = { version = "0.3", features = [
   "Request",
   "Response",
 ] }
-wasm-bindgen = "0.2"
+wasm-bindgen = "=0.2.92"
 wasm-bindgen-futures = { version = "0.4.37", features = [
   "futures-core-03-stream",
 ], optional = true }