feat(fmt): stabilize CSS, HTML and YAML formatters (#25753)

This commits stabilizes CSS, HTML and YAML formatters
in `deno fmt`.

It is no longer required to use either of these flags:
- `--unstable-css`
- `--unstable-html`
- `--unstable-yaml`
Or these `unstable` options in the config file:
- `fmt-css`
- `fmt-html`
- `html-yaml`

15 files changed, 39 insertions, 209 deletions

diff --git a/cli/args/flags.rs b/cli/args/flags.rs
index a5ca78acc..8490fdab6 100644
--- a/cli/args/flags.rs
+++ b/cli/args/flags.rs
@@ -206,10 +206,7 @@ pub struct FmtFlags {
   pub prose_wrap: Option<String>,
   pub no_semicolons: Option<bool>,
   pub watch: Option<WatchFlags>,
-  pub unstable_css: bool,
-  pub unstable_html: bool,
   pub unstable_component: bool,
-  pub unstable_yaml: bool,
 }
 
 impl FmtFlags {
@@ -2219,7 +2216,8 @@ Ignore formatting a file by adding an ignore comment at the top of the file:
           .help("Enable formatting CSS, SCSS, Sass and Less files")
           .value_parser(FalseyValueParser::new())
           .action(ArgAction::SetTrue)
-          .help_heading(FMT_HEADING),
+          .help_heading(FMT_HEADING)
+          .hide(true),
       )
       .arg(
         Arg::new("unstable-html")
@@ -2227,7 +2225,8 @@ Ignore formatting a file by adding an ignore comment at the top of the file:
           .help("Enable formatting HTML files")
           .value_parser(FalseyValueParser::new())
           .action(ArgAction::SetTrue)
-          .help_heading(FMT_HEADING),
+          .help_heading(FMT_HEADING)
+          .hide(true),
       )
       .arg(
         Arg::new("unstable-component")
@@ -2243,7 +2242,8 @@ Ignore formatting a file by adding an ignore comment at the top of the file:
           .help("Enable formatting YAML files")
           .value_parser(FalseyValueParser::new())
           .action(ArgAction::SetTrue)
-          .help_heading(FMT_HEADING),
+          .help_heading(FMT_HEADING)
+          .hide(true),
       )
   })
 }
@@ -4374,10 +4374,7 @@ fn fmt_parse(
   let single_quote = matches.remove_one::<bool>("single-quote");
   let prose_wrap = matches.remove_one::<String>("prose-wrap");
   let no_semicolons = matches.remove_one::<bool>("no-semicolons");
-  let unstable_css = matches.get_flag("unstable-css");
-  let unstable_html = matches.get_flag("unstable-html");
   let unstable_component = matches.get_flag("unstable-component");
-  let unstable_yaml = matches.get_flag("unstable-yaml");
 
   flags.subcommand = DenoSubcommand::Fmt(FmtFlags {
     check: matches.get_flag("check"),
@@ -4389,10 +4386,7 @@ fn fmt_parse(
     prose_wrap,
     no_semicolons,
     watch: watch_arg_parse(matches)?,
-    unstable_css,
-    unstable_html,
     unstable_component,
-    unstable_yaml,
   });
   Ok(())
 }
@@ -6272,10 +6266,7 @@ mod tests {
           single_quote: None,
           prose_wrap: None,
           no_semicolons: None,
-          unstable_css: false,
-          unstable_html: false,
           unstable_component: false,
-          unstable_yaml: false,
           watch: Default::default(),
         }),
         ..Flags::default()
@@ -6298,10 +6289,7 @@ mod tests {
           single_quote: None,
           prose_wrap: None,
           no_semicolons: None,
-          unstable_css: false,
-          unstable_html: false,
           unstable_component: false,
-          unstable_yaml: false,
           watch: Default::default(),
         }),
         ..Flags::default()
@@ -6324,10 +6312,7 @@ mod tests {
           single_quote: None,
           prose_wrap: None,
           no_semicolons: None,
-          unstable_css: false,
-          unstable_html: false,
           unstable_component: false,
-          unstable_yaml: false,
           watch: Default::default(),
         }),
         ..Flags::default()
@@ -6350,10 +6335,7 @@ mod tests {
           single_quote: None,
           prose_wrap: None,
           no_semicolons: None,
-          unstable_css: false,
-          unstable_html: false,
           unstable_component: false,
-          unstable_yaml: false,
           watch: Some(Default::default()),
         }),
         ..Flags::default()
@@ -6385,10 +6367,7 @@ mod tests {
           single_quote: None,
           prose_wrap: None,
           no_semicolons: None,
-          unstable_css: true,
-          unstable_html: true,
           unstable_component: true,
-          unstable_yaml: true,
           watch: Some(WatchFlags {
             hmr: false,
             no_clear_screen: true,
@@ -6422,10 +6401,7 @@ mod tests {
           single_quote: None,
           prose_wrap: None,
           no_semicolons: None,
-          unstable_css: false,
-          unstable_html: false,
           unstable_component: false,
-          unstable_yaml: false,
           watch: Some(Default::default()),
         }),
         ..Flags::default()
@@ -6448,10 +6424,7 @@ mod tests {
           single_quote: None,
           prose_wrap: None,
           no_semicolons: None,
-          unstable_css: false,
-          unstable_html: false,
           unstable_component: false,
-          unstable_yaml: false,
           watch: Default::default(),
         }),
         config_flag: ConfigFlag::Path("deno.jsonc".to_string()),
@@ -6482,10 +6455,7 @@ mod tests {
           single_quote: None,
           prose_wrap: None,
           no_semicolons: None,
-          unstable_css: false,
-          unstable_html: false,
           unstable_component: false,
-          unstable_yaml: false,
           watch: Some(Default::default()),
         }),
         config_flag: ConfigFlag::Path("deno.jsonc".to_string()),
@@ -6521,10 +6491,7 @@ mod tests {
           single_quote: Some(true),
           prose_wrap: Some("never".to_string()),
           no_semicolons: Some(true),
-          unstable_css: false,
-          unstable_html: false,
           unstable_component: false,
-          unstable_yaml: false,
           watch: Default::default(),
         }),
         ..Flags::default()
@@ -6554,10 +6521,7 @@ mod tests {
           single_quote: Some(false),
           prose_wrap: None,
           no_semicolons: Some(false),
-          unstable_css: false,
-          unstable_html: false,
           unstable_component: false,
-          unstable_yaml: false,
           watch: Default::default(),
         }),
         ..Flags::default()
diff --git a/cli/args/mod.rs b/cli/args/mod.rs
index c4dda95ce..cec1b53b2 100644
--- a/cli/args/mod.rs
+++ b/cli/args/mod.rs
@@ -281,10 +281,7 @@ impl BenchOptions {
 
 #[derive(Clone, Debug, Default, PartialEq, Eq, Hash)]
 pub struct UnstableFmtOptions {
-  pub css: bool,
-  pub html: bool,
   pub component: bool,
-  pub yaml: bool,
 }
 
 #[derive(Clone, Debug)]
@@ -317,10 +314,7 @@ impl FmtOptions {
     Self {
       options: resolve_fmt_options(fmt_flags, fmt_config.options),
       unstable: UnstableFmtOptions {
-        css: unstable.css || fmt_flags.unstable_css,
-        html: unstable.html || fmt_flags.unstable_html,
         component: unstable.component || fmt_flags.unstable_component,
-        yaml: unstable.yaml || fmt_flags.unstable_yaml,
       },
       files: fmt_config.files,
     }
@@ -1301,10 +1295,7 @@ impl CliOptions {
   pub fn resolve_config_unstable_fmt_options(&self) -> UnstableFmtOptions {
     let workspace = self.workspace();
     UnstableFmtOptions {
-      css: workspace.has_unstable("fmt-css"),
-      html: workspace.has_unstable("fmt-html"),
       component: workspace.has_unstable("fmt-component"),
-      yaml: workspace.has_unstable("fmt-yaml"),
     }
   }
 
@@ -1609,10 +1600,7 @@ impl CliOptions {
         "sloppy-imports",
         "byonm",
         "bare-node-builtins",
-        "fmt-css",
-        "fmt-html",
         "fmt-component",
-        "fmt-yaml",
       ]);
       // add more unstable flags to the same vector holding granular flags
       all_valid_unstable_flags.append(&mut another_unstable_flags);
diff --git a/cli/lsp/language_server.rs b/cli/lsp/language_server.rs
index f8fffd292..a1cc5079d 100644
--- a/cli/lsp/language_server.rs
+++ b/cli/lsp/language_server.rs
@@ -1385,18 +1385,9 @@ impl Inner {
         .data_for_specifier(&specifier)
         .map(|d| &d.member_dir.workspace);
       let unstable_options = UnstableFmtOptions {
-        css: maybe_workspace
-          .map(|w| w.has_unstable("fmt-css"))
-          .unwrap_or(false),
-        html: maybe_workspace
-          .map(|w| w.has_unstable("fmt-html"))
-          .unwrap_or(false),
         component: maybe_workspace
           .map(|w| w.has_unstable("fmt-component"))
           .unwrap_or(false),
-        yaml: maybe_workspace
-          .map(|w| w.has_unstable("fmt-yaml"))
-          .unwrap_or(false),
       };
       let document = document.clone();
       move || {
diff --git a/cli/tools/fmt.rs b/cli/tools/fmt.rs
index a51a2dfc6..54713e0ec 100644
--- a/cli/tools/fmt.rs
+++ b/cli/tools/fmt.rs
@@ -285,19 +285,9 @@ fn format_markdown(
             dprint_plugin_json::format_text(&fake_filename, text, &json_config)
           }
           "css" | "scss" | "sass" | "less" => {
-            if unstable_options.css {
-              format_css(&fake_filename, text, fmt_options)
-            } else {
-              Ok(None)
-            }
-          }
-          "html" => {
-            if unstable_options.html {
-              format_html(&fake_filename, text, fmt_options)
-            } else {
-              Ok(None)
-            }
+            format_css(&fake_filename, text, fmt_options)
           }
+          "html" => format_html(&fake_filename, text, fmt_options),
           "svelte" | "vue" | "astro" => {
             if unstable_options.component {
               format_html(&fake_filename, text, fmt_options)
@@ -305,18 +295,12 @@ fn format_markdown(
               Ok(None)
             }
           }
-          "yml" | "yaml" => {
-            if unstable_options.yaml {
-              pretty_yaml::format_text(
-                text,
-                &get_resolved_yaml_config(fmt_options),
-              )
-              .map(Some)
-              .map_err(AnyError::from)
-            } else {
-              Ok(None)
-            }
-          }
+          "yml" | "yaml" => pretty_yaml::format_text(
+            text,
+            &get_resolved_yaml_config(fmt_options),
+          )
+          .map(Some)
+          .map_err(AnyError::from),
           _ => {
             let mut codeblock_config =
               get_resolved_typescript_config(fmt_options);
@@ -473,19 +457,9 @@ pub fn format_file(
     }
     "json" | "jsonc" => format_json(file_path, file_text, fmt_options),
     "css" | "scss" | "sass" | "less" => {
-      if unstable_options.css {
-        format_css(file_path, file_text, fmt_options)
-      } else {
-        Ok(None)
-      }
-    }
-    "html" => {
-      if unstable_options.html {
-        format_html(file_path, file_text, fmt_options)
-      } else {
-        Ok(None)
-      }
+      format_css(file_path, file_text, fmt_options)
     }
+    "html" => format_html(file_path, file_text, fmt_options),
     "svelte" | "vue" | "astro" => {
       if unstable_options.component {
         format_html(file_path, file_text, fmt_options)
@@ -493,18 +467,12 @@ pub fn format_file(
         Ok(None)
       }
     }
-    "yml" | "yaml" => {
-      if unstable_options.yaml {
-        pretty_yaml::format_text(
-          file_text,
-          &get_resolved_yaml_config(fmt_options),
-        )
-        .map(Some)
-        .map_err(AnyError::from)
-      } else {
-        Ok(None)
-      }
-    }
+    "yml" | "yaml" => pretty_yaml::format_text(
+      file_text,
+      &get_resolved_yaml_config(fmt_options),
+    )
+    .map(Some)
+    .map_err(AnyError::from),
     "ipynb" => dprint_plugin_jupyter::format_text(
       file_text,
       |file_path: &Path, file_text: String| {
diff --git a/tests/integration/lsp_tests.rs b/tests/integration/lsp_tests.rs
index f2c40f8ea..2d8d88b27 100644
--- a/tests/integration/lsp_tests.rs
+++ b/tests/integration/lsp_tests.rs
@@ -10597,13 +10597,6 @@ fn lsp_format_markdown() {
 fn lsp_format_html() {
   let context = TestContextBuilder::new().use_temp_cwd().build();
   let temp_dir = context.temp_dir();
-  temp_dir.write(
-    "deno.json",
-    json!({
-      "unstable": ["fmt-html"],
-    })
-    .to_string(),
-  );
   let html_file =
     source_file(temp_dir.path().join("file.html"), "  <html></html>");
   let mut client = context.new_lsp_command().build();
@@ -10644,13 +10637,6 @@ fn lsp_format_html() {
 fn lsp_format_css() {
   let context = TestContextBuilder::new().use_temp_cwd().build();
   let temp_dir = context.temp_dir();
-  temp_dir.write(
-    "deno.json",
-    json!({
-      "unstable": ["fmt-css"],
-    })
-    .to_string(),
-  );
   let css_file = source_file(temp_dir.path().join("file.css"), "  foo {}");
   let mut client = context.new_lsp_command().build();
   client.initialize_default();
@@ -10690,13 +10676,6 @@ fn lsp_format_css() {
 fn lsp_format_yaml() {
   let context = TestContextBuilder::new().use_temp_cwd().build();
   let temp_dir = context.temp_dir();
-  temp_dir.write(
-    "deno.json",
-    json!({
-      "unstable": ["fmt-yaml"],
-    })
-    .to_string(),
-  );
   let yaml_file = source_file(temp_dir.path().join("file.yaml"), "  foo: 1");
   let mut client = context.new_lsp_command().build();
   client.initialize_default();
diff --git a/tests/specs/fmt/css/__test__.jsonc b/tests/specs/fmt/css/__test__.jsonc
new file mode 100644
index 000000000..e58818fbe
--- /dev/null
+++ b/tests/specs/fmt/css/__test__.jsonc
@@ -0,0 +1,5 @@
+{
+  "tempDir": true,
+  "args": "fmt",
+  "output": "[WILDLINE]badly_formatted.css\nChecked 1 file\n"
+}
diff --git a/tests/specs/fmt/unstable_css/badly_formatted.css b/tests/specs/fmt/css/badly_formatted.css
index e57adb796..e57adb796 100644
--- a/tests/specs/fmt/unstable_css/badly_formatted.css
+++ b/tests/specs/fmt/css/badly_formatted.css
diff --git a/tests/specs/fmt/html/__test__.jsonc b/tests/specs/fmt/html/__test__.jsonc
new file mode 100644
index 000000000..cec29d1b3
--- /dev/null
+++ b/tests/specs/fmt/html/__test__.jsonc
@@ -0,0 +1,5 @@
+{
+  "tempDir": true,
+  "args": "fmt --unstable-html",
+  "output": "[WILDLINE]badly_formatted.html\nChecked 1 file\n"
+}
diff --git a/tests/specs/fmt/unstable_html/badly_formatted.html b/tests/specs/fmt/html/badly_formatted.html
index de7706ac7..de7706ac7 100644
--- a/tests/specs/fmt/unstable_html/badly_formatted.html
+++ b/tests/specs/fmt/html/badly_formatted.html
diff --git a/tests/specs/fmt/unstable_component/__test__.jsonc b/tests/specs/fmt/unstable_component/__test__.jsonc
index a8f8697da..36057cbef 100644
--- a/tests/specs/fmt/unstable_component/__test__.jsonc
+++ b/tests/specs/fmt/unstable_component/__test__.jsonc
@@ -6,14 +6,14 @@
       "output": "Checked 1 file\n"
     },
     "flag": {
-      "args": "fmt --unstable-css --unstable-component",
+      "args": "fmt --unstable-component",
       "output": "[WILDLINE]badly_formatted.svelte\nChecked 1 file\n"
     },
     "config_file": {
       "steps": [{
         "args": [
           "eval",
-          "Deno.writeTextFile('deno.json', '{\\n  \"unstable\": [\"fmt-css\", \"fmt-component\"]\\n}\\n')"
+          "Deno.writeTextFile('deno.json', '{\\n  \"unstable\": [\"fmt-component\"]\\n}\\n')"
         ],
         "output": "[WILDCARD]"
       }, {
diff --git a/tests/specs/fmt/unstable_css/__test__.jsonc b/tests/specs/fmt/unstable_css/__test__.jsonc
deleted file mode 100644
index 32259f3ae..000000000
--- a/tests/specs/fmt/unstable_css/__test__.jsonc
+++ /dev/null
@@ -1,25 +0,0 @@
-{
-  "tempDir": true,
-  "tests": {
-    "nothing": {
-      "args": "fmt",
-      "output": "Checked 1 file\n"
-    },
-    "flag": {
-      "args": "fmt --unstable-css",
-      "output": "[WILDLINE]badly_formatted.css\nChecked 1 file\n"
-    },
-    "config_file": {
-      "steps": [{
-        "args": [
-          "eval",
-          "Deno.writeTextFile('deno.json', '{\\n  \"unstable\": [\"fmt-css\"]\\n}\\n')"
-        ],
-        "output": "[WILDCARD]"
-      }, {
-        "args": "fmt",
-        "output": "[WILDLINE]badly_formatted.css\nChecked 2 files\n"
-      }]
-    }
-  }
-}
diff --git a/tests/specs/fmt/unstable_html/__test__.jsonc b/tests/specs/fmt/unstable_html/__test__.jsonc
deleted file mode 100644
index 2394805ad..000000000
--- a/tests/specs/fmt/unstable_html/__test__.jsonc
+++ /dev/null
@@ -1,25 +0,0 @@
-{
-  "tempDir": true,
-  "tests": {
-    "nothing": {
-      "args": "fmt",
-      "output": "Checked 1 file\n"
-    },
-    "flag": {
-      "args": "fmt --unstable-css --unstable-html",
-      "output": "[WILDLINE]badly_formatted.html\nChecked 1 file\n"
-    },
-    "config_file": {
-      "steps": [{
-        "args": [
-          "eval",
-          "Deno.writeTextFile('deno.json', '{\\n  \"unstable\": [\"fmt-css\", \"fmt-html\"]\\n}\\n')"
-        ],
-        "output": "[WILDCARD]"
-      }, {
-        "args": "fmt",
-        "output": "[WILDLINE]badly_formatted.html\nChecked 2 files\n"
-      }]
-    }
-  }
-}
diff --git a/tests/specs/fmt/unstable_yaml/__test__.jsonc b/tests/specs/fmt/unstable_yaml/__test__.jsonc
deleted file mode 100644
index 885db59b9..000000000
--- a/tests/specs/fmt/unstable_yaml/__test__.jsonc
+++ /dev/null
@@ -1,25 +0,0 @@
-{
-  "tempDir": true,
-  "tests": {
-    "nothing": {
-      "args": "fmt",
-      "output": "Checked 1 file\n"
-    },
-    "flag": {
-      "args": "fmt --unstable-yaml",
-      "output": "[WILDLINE]badly_formatted.yml\nChecked 1 file\n"
-    },
-    "config_file": {
-      "steps": [{
-        "args": [
-          "eval",
-          "Deno.writeTextFile('deno.json', '{\\n  \"unstable\": [\"fmt-yaml\"]\\n}\\n')"
-        ],
-        "output": "[WILDCARD]"
-      }, {
-        "args": "fmt",
-        "output": "[WILDLINE]badly_formatted.yml\nChecked 2 files\n"
-      }]
-    }
-  }
-}
\ No newline at end of file
diff --git a/tests/specs/fmt/yaml/__test__.jsonc b/tests/specs/fmt/yaml/__test__.jsonc
new file mode 100644
index 000000000..3cef276b8
--- /dev/null
+++ b/tests/specs/fmt/yaml/__test__.jsonc
@@ -0,0 +1,5 @@
+{
+  "tempDir": true,
+  "args": "fmt",
+  "output": "[WILDLINE]badly_formatted.yml\nChecked 1 file\n"
+}
\ No newline at end of file
diff --git a/tests/specs/fmt/unstable_yaml/badly_formatted.yml b/tests/specs/fmt/yaml/badly_formatted.yml
index 49646f320..49646f320 100644
--- a/tests/specs/fmt/unstable_yaml/badly_formatted.yml
+++ b/tests/specs/fmt/yaml/badly_formatted.yml