flutter-cli

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Modern terminal UI for Flutter — hot reload across N devices, live HTTP/perf inspector, drops into your shell so 'flutter run' becomes the dashboard.

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**English | [简体中文](README.zh-CN.md)**

# `flutter run`, but with superpowers.

[![Release](https://img.shields.io/github/v/release/Antoinegtir/flutter-cli?logo=github&color=brightgreen)](https://github.com/Antoinegtir/flutter-cli/releases/latest)
[![npm downloads](https://img.shields.io/npm/dm/@antoinegtir/flutter-cli.svg?logo=npm)](https://www.npmjs.com/package/@antoinegtir/flutter-cli)
[![License: MIT](https://img.shields.io/badge/license-MIT-blue.svg)](https://raw.githubusercontent.com/Antoinegtir/flutter-cli/master/LICENSE)
[![Discussions](https://img.shields.io/github/discussions/Antoinegtir/flutter-cli?logo=github)](https://github.com/Antoinegtir/flutter-cli/discussions)

A modern terminal UI for Flutter — hot reload across N devices, real-time perf, inline scrollback. Drops into your shell so `flutter run` *becomes* the dashboard.

![flutter-cli landing](https://raw.githubusercontent.com/Antoinegtir/flutter-cli/master/docs/screenshots/landing.gif)

</div>

## Try it without installing

```sh
npx @antoinegtir/flutter-cli run
```

Fetches the binary into npm's cache, no shell shim, no rc edits — just runs the dashboard on the current project. Swap `run` for `test`, `build`, or `devices`.

## Install

```sh
curl -fsSL https://raw.githubusercontent.com/Antoinegtir/flutter-cli/master/install.sh | bash
```
or:
```sh
npm i -g @antoinegtir/flutter-cli
```

Both paths drop a binary on your `PATH` and wire the shell shim into your rc automatically. Open a new terminal — `flutter run` / `test` / `build` / `devices` now route through the TUI. Your IDE keeps using vanilla `flutter`; everything else (`flutter pub`, `doctor`, `clean`, …) passes through unchanged.

**Requirements:** an existing Flutter SDK reachable via `PATH`, [FVM](https://fvm.app), or `$FLUTTER_ROOT`. macOS / Linux / Windows (bash, zsh, fish, Git Bash, WSL).

---

## At a glance

**Multi-device picker — `space` to select, `a` for all, `enter` to fire.**
![Device picker](https://raw.githubusercontent.com/Antoinegtir/flutter-cli/master/docs/screenshots/select-devices.png)

**Live per-device FPS + memory sparklines, side by side.**
![Per-device performance](https://raw.githubusercontent.com/Antoinegtir/flutter-cli/master/docs/screenshots/performance.png)

**Press `n` — full HTTP traffic inspector, color-coded by status.**
![Network inspector](https://raw.githubusercontent.com/Antoinegtir/flutter-cli/master/docs/screenshots/network.png)

**Press `/` — logs filter as you type, by message or by level.**
![Live filter](https://raw.githubusercontent.com/Antoinegtir/flutter-cli/master/docs/screenshots/logfilter.png)

**Press `b` — flip light/dark on every device without leaving the terminal.**
![Brightness toggle](https://raw.githubusercontent.com/Antoinegtir/flutter-cli/master/docs/screenshots/darkmode.png)

**Press `o` — fake iOS or Android per device to chase layout bugs.**
![Platform override](https://raw.githubusercontent.com/Antoinegtir/flutter-cli/master/docs/screenshots/platform.png)

---

### Works with FVM

`flutter-cli` auto-detects per-project FVM pins: it resolves `.fvm/flutter_sdk` first (what your IDE reads), then falls back to `.fvmrc` / legacy `.fvm/fvm_config.json` against `~/fvm/versions`. No `fvm flutter` prefix needed, and the resolved Flutter/Dart versions show up in the dashboard header.

### Pre-run / pre-test / pre-build hooks

Codegen, fixture seeding, env checks — drop a `flutter_cli:` section in `pubspec.yaml` and the commands run before the TUI takes over the terminal. First non-zero exit aborts.

```yaml
# pubspec.yaml
flutter_cli:
  pre_run:
    - dart run build_runner build --delete-conflicting-outputs
  pre_test:
    - dart run build_runner build
  pre_build:
    - ./tool/check_env.sh
```

Each command is spawned through `sh -c` so pipes, `&&`, env-var substitution all work. Output streams live to your terminal — codegen progress stays visible after the dashboard exits.

### IntelliJ / Android Studio hot reload

`flutter-cli` prints the canonical `A Dart VM Service on <device> is available at: http://…` line as soon as the app boots. The Flutter IntelliJ plugin scrapes for that pattern and auto-attaches — **Cmd+S in your IDE then triggers hot reload** straight through the VM Service, no extra config needed.

### Upgrade

Re-run the same install line — idempotent, no reload needed:
```sh
curl -fsSL https://raw.githubusercontent.com/Antoinegtir/flutter-cli/master/install.sh | bash
```
or:
```sh
npm update -g @antoinegtir/flutter-cli
```

### Uninstall

```sh
curl -fsSL https://raw.githubusercontent.com/Antoinegtir/flutter-cli/master/uninstall.sh | bash
```
or:
```sh
 npm uninstall -g @antoinegtir/flutter-cli
```

Strips the shim from every shell rc / profile, removes the binary from every known dir. Non-invasive.

### Direct binary (no shim)

Call `flutter-cli run` / `test` / `build` directly. Handy for CI runners or machines where you can't touch rc files.

---

## Why

`flutter run` was built for one device, one terminal. Today you're usually:
- Testing on 2+ devices at once (iOS, Android, simulator).
- Watching FPS, memory, jank — not just compile errors.
- Drowning in 50k lines of scrollback.
- Re-typing `flutter run --device emulator-5554 --flavor prod` for the hundredth time.

Same `flutter` underneath, dramatically better feedback loop:

| | vanilla `flutter run` | with the shim |
|---|---|---|
| Multi-device hot reload | one at a time | parallel, single `r` |
| Per-device FPS / memory | — | live sparklines |
| Inline TUI (scrollback preserved) | — | yes |
| Device picker | text prompt | navigable list |
| `--release` / `--profile` / `--flavor` / `--dart-define` | works | works |
| Open DevTools | copy URL manually | `d` keystroke |
| Live HTTP inspector | DevTools-only | `n` keystroke |
| Side-by-side screenshots | per-platform tooling | `s` keystroke |
| Skip the TUI | n/a | `--basic` |

---

## Commands

### `flutter run` — multi-device dashboard

```sh
flutter run                    # auto-pick or interactive picker
flutter run --release          # release mode
flutter run -d emulator-5554   # specific device
flutter run -d all             # every connected device
flutter run -- --flavor prod --dart-define=API=https://x   # any flutter flag
```

Keybindings while running:

| key | action |
|---|---|
| `r` / `R` | hot reload / hot restart (all devices) |
| `b` / `o` | flip theme (light/dark) / fake platform (iOS/Android) |
| `p` / `P` | debug paint / performance overlay |
| `e` | jump to error location in VS Code / Android Studio (or ⌘+click the underlined ref) |
| `n` | toggle Network inspector |
| `d` | open Flutter DevTools in your browser |
| `s` | screenshot every device → `screenshots/<timestamp>/<device>.png` |
| `/` | filter logs live · `c` copy the filtered slice |
| `↑` / `↓` | scroll the active panel |
| `q` | quit |

Screenshots go through the VM Service's `_flutter.screenshot` RPC first (zero deps), with `flutter screenshot` / `adb` / `idevicescreenshot` / `simctl` as fallbacks. Works on iPhone, Android, simulators, and desktop.

### `flutter test`

Live failures panel: pass/fail/skip counters update in real time, any failure jumps to its stack trace. `Tab` switches focus, `c` copies failures, `r` re-runs.

![flutter test runner](https://raw.githubusercontent.com/Antoinegtir/flutter-cli/master/docs/screenshots/test.png)

```sh
flutter test                       # everything under test/
flutter test test/auth/            # one directory
flutter test integration_test/     # e2e — picker fires automatically
flutter test --golden --update-goldens
flutter test --coverage --tags slow --exclude-tags flaky
flutter test -- --start-paused --total-shards 4   # any extra flag
```

### `flutter build` — any target

```sh
flutter build apk
flutter build ios --release
flutter build ipa
flutter build macos
flutter build ios -- --no-codesign --obfuscate --split-debug-info=symbols/
```

### `flutter devices`

Live-tracked list with status and OS version.

### `--basic` — skip the TUI

```sh
flutter run --basic              # vanilla `flutter run` output
flutter test --basic --coverage
flutter build apk --basic --release
```

Useful for CI, piping into another tool, or debugging the TUI itself. Same logs you'd get if `flutter-cli` weren't on `PATH`.

---

## How the shim works

The installer adds 3 lines to your rc, gated by sentinel comments so removal is a one-liner:
```sh
# >>> flutter-cli shim >>>
eval "$(flutter-cli init <shell>)"
# <<< flutter-cli shim <<<
```

The eval expands to a function that routes only the 4 claimed subcommands through the TUI, falling through for everything else:
```sh
flutter() {
  case "$1" in
    run|test|build|devices) shift; command flutter-cli "$@" ;;
    *) command flutter "$@" ;;
  esac
}
```

Self-healing: if `flutter-cli` ever disappears (uninstalled, PATH broken, …), the function detects it and falls back to `command flutter` for every call instead of erroring. Your IDE plugins, CI pipelines, and dotfile zealotry stay untouched.

---

## Manual install (without the script)

```sh
git clone https://github.com/Antoinegtir/flutter-cli && cd flutter-cli
cargo install --path crates/flutter-cli
echo 'eval "$(flutter-cli init zsh)"' >> ~/.zshrc   # bash / fish — substitute shell
```

---

## Docker

Multi-stage `Dockerfile` (Debian slim runtime, non-root) for CI and locked-down dev VMs. The image **does not** bundle the Flutter SDK — mount yours.

```sh
docker build -t flutter-cli:dev .
docker run --rm -it -v "$PWD":/work -w /work \
  -v "$FLUTTER_ROOT":/opt/flutter:ro \
  -e PATH=/opt/flutter/bin:/usr/local/bin:/usr/bin:/bin \
  flutter-cli:dev run --basic
```

Android USB needs `--device /dev/bus/usb` + udev rules on the host. iOS interaction stays macOS-only (`xcrun`).

---

## Contributing

```sh
git clone https://github.com/Antoinegtir/flutter-cli && cd flutter-cli
cargo test --workspace        # `cargo fmt` + `cargo clippy -D warnings` also checked by CI
```

---

MIT — see [LICENSE](LICENSE). Built by [@Antoinegtir](https://github.com/Antoinegtir).

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