Dart2.19コマンドラインツール

% dart create --help
Create a new Dart project.

Usage: dart create [arguments] <directory>
-h, --help                       Print this usage information.
-t, --template                   The project template to use.

          [console] (default)    A command-line application.
          [package]              A package containing shared Dart libraries.
          [server-shelf]         A server app using package:shelf.
          [web]                  A web app that uses only core Dart libraries.

    --[no-]pub                   Whether to run 'pub get' after the project has been created.
                                 (defaults to on)
    --force                      Force project generation, even if the target directory already exists.

Run "dart help" to see global options.

% dart create -t console dev1
Creating dev1 using template console...

  .gitignore
  analysis_options.yaml
  CHANGELOG.md
  pubspec.yaml
  README.md
  bin/dev1.dart
  lib/dev1.dart
  test/dev1_test.dart

Running pub get...                     2.0s
  Resolving dependencies...
  Changed 46 dependencies!

Created project dev1 in dev1! In order to get started, run the following commands:

  cd dev1
  dart run

% tree -a dev1 
dev1
├── .dart_tool
│   └── package_config.json
├── .gitignore
├── CHANGELOG.md
├── README.md
├── analysis_options.yaml
├── bin
│   └── dev1.dart
├── lib
│   └── dev1.dart
├── pubspec.lock
├── pubspec.yaml
└── test
    └── dev1_test.dart

% dart analyze
Analyzing dev1...                      0.6s
No issues found!

import 'package:dev1/dev1.dart' as dev1;

void main(List<String> arguments) {
  print('Hello world: ${dev1.calculate()}!') //←末尾の";"を取る。
}

% dart analyze
Analyzing dev1...                      0.5s

  error • bin/dev1.dart:4:44 • Expected to find ';'. • expected_token

1 issue found.

% dart compile -h
Compile Dart to various formats.

Usage: dart compile <subcommand> [arguments]
-h, --help    Print this usage information.

Available subcommands:
  aot-snapshot   Compile Dart to an AOT snapshot.
  exe            Compile Dart to a self-contained executable.
  jit-snapshot   Compile Dart to a JIT snapshot.
  js             Compile Dart to JavaScript.
  kernel         Compile Dart to a kernel snapshot.

Run "dart help" to see global options.

import 'package:dev1/dev1.dart' as dev1;

void main(List<String> arguments) {
  int i;
  for (i = 0; i < 1000000; i++) {
    i = i + i;
  }
  print('i=$i');
  print('Hello world: ${dev1.calculate()}!');
}

% dart compile aot-snapshot dev1.dart 
Info: Compiling with sound null safety.
Generated: /Users/********/app/dart/dev1/bin/dev1.aot

% dart compile jit-snapshot dev1.dart
Compiling dev1.dart to jit-snapshot file dev1.jit.
Info: Compiling with sound null safety.
i=1048575
Hello world: 42!

% dart compile exe dev1.dart
Info: Compiling with sound null safety.
Generated: /Users/********/app/dart/dev1/bin/dev1.exe

% dart compile kernel dev1.dart
Compiling dev1.dart to kernel file dev1.dill.
Info: Compiling with sound null safety.

% du -hs * | sort -h | grep -v dev1.dart
4.0K	dev1.dill
864K	dev1.aot
4.4M	dev1.exe
4.7M	dev1.jit

% /usr/bin/time dart run dev1.dart
i=1048575
Hello world: 42!
        0.72 real         0.44 user         0.16 sys

% /usr/bin/time dart run dev1.jit
i=1048575
Hello world: 42!
        0.10 real         0.09 user         0.03 sys

% /usr/bin/time dartaotruntime dev1.aot
i=1048575
Hello world: 42!
        0.04 real         0.01 user         0.01 sys

% /usr/bin/time ./dev1.exe
i=1048575
Hello world: 42!
        0.01 real         0.00 user         0.00 sys

% /usr/bin/time dart run dev1.dill
i=1048575
Hello world: 42!
        0.08 real         0.09 user         0.02 sys

% dart info

If providing this information as part of reporting a bug, please review the information below to ensure it only contains
things you're comfortable posting publicly.

#### General info

- Dart 2.19.2 (stable) (Tue Feb 7 18:37:17 2023 +0000) on "macos_arm64"
- on macos / Version 12.4 (Build 21F79)
- locale is ja-JP

#### Process info

| Memory |  CPU | Elapsed time | Command line                                                                    |
| -----: | ---: | -----------: | ------------------------------------------------------------------------------- |
~~~~以下省略~~~~~~~             

% dart doc
Documenting dev1...
Initialized dartdoc with 41 libraries
Generating docs for library dev1 from package:dev1/dev1.dart...
no issues found
Documented 1 public library in 7.8 seconds
Success! Docs generated into /Users/*******/app/dart/dev1/doc/api

% ls -1       
__404error.html
categories.json
dev1/
index.html
index.json
search.html
static-assets/

import 'package:dev1/dev1.dart' as dev1;

void main(List<String> arguments) {
int i;
for (i = 0; i < 1000000; i++) {
  i = i + i;
}
print('i=$i');
print('Hello world: ${dev1.calculate()}!');
}

% dart format dev1.dart
Formatted dev1.dart
Formatted 1 file (1 changed) in 0.08 seconds.

import 'package:dev1/dev1.dart' as dev1;

void main(List<String> arguments) {
  int i;
  for (i = 0; i < 1000000; i++) {
    i = i + i;
  }
  print('i=$i');
  print('Hello world: ${dev1.calculate()}!');
}

% dart devtools
Serving DevTools at http://127.0.0.1:9102.

          Hit ctrl-c to terminate the server.