1//! Provides `language`-related settings.
2
3use crate::{File, Language, LanguageName, LanguageServerName};
4use anyhow::Result;
5use collections::{HashMap, HashSet};
6use core::slice;
7use ec4rs::{
8 property::{FinalNewline, IndentSize, IndentStyle, TabWidth, TrimTrailingWs},
9 Properties as EditorconfigProperties,
10};
11use globset::{Glob, GlobMatcher, GlobSet, GlobSetBuilder};
12use gpui::App;
13use itertools::{Either, Itertools};
14use schemars::{
15 schema::{InstanceType, ObjectValidation, Schema, SchemaObject, SingleOrVec},
16 JsonSchema,
17};
18use serde::{
19 de::{self, IntoDeserializer, MapAccess, SeqAccess, Visitor},
20 Deserialize, Deserializer, Serialize,
21};
22use serde_json::Value;
23use settings::{
24 add_references_to_properties, Settings, SettingsLocation, SettingsSources, SettingsStore,
25};
26use std::{borrow::Cow, num::NonZeroU32, path::Path, sync::Arc};
27use util::serde::default_true;
28
29/// Initializes the language settings.
30pub fn init(cx: &mut App) {
31 AllLanguageSettings::register(cx);
32}
33
34/// Returns the settings for the specified language from the provided file.
35pub fn language_settings<'a>(
36 language: Option<LanguageName>,
37 file: Option<&'a Arc<dyn File>>,
38 cx: &'a App,
39) -> Cow<'a, LanguageSettings> {
40 let location = file.map(|f| SettingsLocation {
41 worktree_id: f.worktree_id(cx),
42 path: f.path().as_ref(),
43 });
44 AllLanguageSettings::get(location, cx).language(location, language.as_ref(), cx)
45}
46
47/// Returns the settings for all languages from the provided file.
48pub fn all_language_settings<'a>(
49 file: Option<&'a Arc<dyn File>>,
50 cx: &'a App,
51) -> &'a AllLanguageSettings {
52 let location = file.map(|f| SettingsLocation {
53 worktree_id: f.worktree_id(cx),
54 path: f.path().as_ref(),
55 });
56 AllLanguageSettings::get(location, cx)
57}
58
59/// The settings for all languages.
60#[derive(Debug, Clone)]
61pub struct AllLanguageSettings {
62 /// The edit prediction settings.
63 pub edit_predictions: EditPredictionSettings,
64 defaults: LanguageSettings,
65 languages: HashMap<LanguageName, LanguageSettings>,
66 pub(crate) file_types: HashMap<Arc<str>, GlobSet>,
67}
68
69/// The settings for a particular language.
70#[derive(Debug, Clone, Deserialize)]
71pub struct LanguageSettings {
72 /// How many columns a tab should occupy.
73 pub tab_size: NonZeroU32,
74 /// Whether to indent lines using tab characters, as opposed to multiple
75 /// spaces.
76 pub hard_tabs: bool,
77 /// How to soft-wrap long lines of text.
78 pub soft_wrap: SoftWrap,
79 /// The column at which to soft-wrap lines, for buffers where soft-wrap
80 /// is enabled.
81 pub preferred_line_length: u32,
82 // Whether to show wrap guides (vertical rulers) in the editor.
83 // Setting this to true will show a guide at the 'preferred_line_length' value
84 // if softwrap is set to 'preferred_line_length', and will show any
85 // additional guides as specified by the 'wrap_guides' setting.
86 pub show_wrap_guides: bool,
87 /// Character counts at which to show wrap guides (vertical rulers) in the editor.
88 pub wrap_guides: Vec<usize>,
89 /// Indent guide related settings.
90 pub indent_guides: IndentGuideSettings,
91 /// Whether or not to perform a buffer format before saving.
92 pub format_on_save: FormatOnSave,
93 /// Whether or not to remove any trailing whitespace from lines of a buffer
94 /// before saving it.
95 pub remove_trailing_whitespace_on_save: bool,
96 /// Whether or not to ensure there's a single newline at the end of a buffer
97 /// when saving it.
98 pub ensure_final_newline_on_save: bool,
99 /// How to perform a buffer format.
100 pub formatter: SelectedFormatter,
101 /// Zed's Prettier integration settings.
102 pub prettier: PrettierSettings,
103 /// Whether to use language servers to provide code intelligence.
104 pub enable_language_server: bool,
105 /// The list of language servers to use (or disable) for this language.
106 ///
107 /// This array should consist of language server IDs, as well as the following
108 /// special tokens:
109 /// - `"!<language_server_id>"` - A language server ID prefixed with a `!` will be disabled.
110 /// - `"..."` - A placeholder to refer to the **rest** of the registered language servers for this language.
111 pub language_servers: Vec<String>,
112 /// Controls whether edit predictions are shown immediately (true)
113 /// or manually by triggering `editor::ShowEditPrediction` (false).
114 pub show_edit_predictions: bool,
115 /// Controls whether edit predictions are shown in the given language
116 /// scopes.
117 pub edit_predictions_disabled_in: Vec<String>,
118 /// Whether to show tabs and spaces in the editor.
119 pub show_whitespaces: ShowWhitespaceSetting,
120 /// Whether to start a new line with a comment when a previous line is a comment as well.
121 pub extend_comment_on_newline: bool,
122 /// Inlay hint related settings.
123 pub inlay_hints: InlayHintSettings,
124 /// Whether to automatically close brackets.
125 pub use_autoclose: bool,
126 /// Whether to automatically surround text with brackets.
127 pub use_auto_surround: bool,
128 /// Whether to use additional LSP queries to format (and amend) the code after
129 /// every "trigger" symbol input, defined by LSP server capabilities.
130 pub use_on_type_format: bool,
131 /// Whether indentation of pasted content should be adjusted based on the context.
132 pub auto_indent_on_paste: bool,
133 // Controls how the editor handles the autoclosed characters.
134 pub always_treat_brackets_as_autoclosed: bool,
135 /// Which code actions to run on save
136 pub code_actions_on_format: HashMap<String, bool>,
137 /// Whether to perform linked edits
138 pub linked_edits: bool,
139 /// Task configuration for this language.
140 pub tasks: LanguageTaskConfig,
141 /// Whether to pop the completions menu while typing in an editor without
142 /// explicitly requesting it.
143 pub show_completions_on_input: bool,
144 /// Whether to display inline and alongside documentation for items in the
145 /// completions menu.
146 pub show_completion_documentation: bool,
147}
148
149impl LanguageSettings {
150 /// A token representing the rest of the available language servers.
151 const REST_OF_LANGUAGE_SERVERS: &'static str = "...";
152
153 /// Returns the customized list of language servers from the list of
154 /// available language servers.
155 pub fn customized_language_servers(
156 &self,
157 available_language_servers: &[LanguageServerName],
158 ) -> Vec<LanguageServerName> {
159 Self::resolve_language_servers(&self.language_servers, available_language_servers)
160 }
161
162 pub(crate) fn resolve_language_servers(
163 configured_language_servers: &[String],
164 available_language_servers: &[LanguageServerName],
165 ) -> Vec<LanguageServerName> {
166 let (disabled_language_servers, enabled_language_servers): (
167 Vec<LanguageServerName>,
168 Vec<LanguageServerName>,
169 ) = configured_language_servers.iter().partition_map(
170 |language_server| match language_server.strip_prefix('!') {
171 Some(disabled) => Either::Left(LanguageServerName(disabled.to_string().into())),
172 None => Either::Right(LanguageServerName(language_server.clone().into())),
173 },
174 );
175
176 let rest = available_language_servers
177 .iter()
178 .filter(|&available_language_server| {
179 !disabled_language_servers.contains(&available_language_server)
180 && !enabled_language_servers.contains(&available_language_server)
181 })
182 .cloned()
183 .collect::<Vec<_>>();
184
185 enabled_language_servers
186 .into_iter()
187 .flat_map(|language_server| {
188 if language_server.0.as_ref() == Self::REST_OF_LANGUAGE_SERVERS {
189 rest.clone()
190 } else {
191 vec![language_server.clone()]
192 }
193 })
194 .collect::<Vec<_>>()
195 }
196}
197
198/// The provider that supplies edit predictions.
199#[derive(Copy, Clone, Debug, Default, Eq, PartialEq, Serialize, Deserialize, JsonSchema)]
200#[serde(rename_all = "snake_case")]
201pub enum EditPredictionProvider {
202 None,
203 #[default]
204 Copilot,
205 Supermaven,
206 Zed,
207}
208
209impl EditPredictionProvider {
210 pub fn is_zed(&self) -> bool {
211 match self {
212 EditPredictionProvider::Zed => true,
213 EditPredictionProvider::None
214 | EditPredictionProvider::Copilot
215 | EditPredictionProvider::Supermaven => false,
216 }
217 }
218}
219
220/// The settings for edit predictions, such as [GitHub Copilot](https://github.com/features/copilot)
221/// or [Supermaven](https://supermaven.com).
222#[derive(Clone, Debug, Default)]
223pub struct EditPredictionSettings {
224 /// The provider that supplies edit predictions.
225 pub provider: EditPredictionProvider,
226 /// A list of globs representing files that edit predictions should be disabled for.
227 pub disabled_globs: Vec<GlobMatcher>,
228 /// When to show edit predictions previews in buffer.
229 pub inline_preview: InlineCompletionPreviewMode,
230}
231
232/// The mode in which edit predictions should be displayed.
233#[derive(Copy, Clone, Debug, Default, Eq, PartialEq, Serialize, Deserialize, JsonSchema)]
234#[serde(rename_all = "snake_case")]
235pub enum InlineCompletionPreviewMode {
236 /// Display inline when there are no language server completions available.
237 #[default]
238 Auto,
239 /// Display inline when holding modifier key (alt by default).
240 WhenHoldingModifier,
241}
242
243/// The settings for all languages.
244#[derive(Debug, Clone, Default, PartialEq, Serialize, Deserialize, JsonSchema)]
245pub struct AllLanguageSettingsContent {
246 /// The settings for enabling/disabling features.
247 #[serde(default)]
248 pub features: Option<FeaturesContent>,
249 /// The edit prediction settings.
250 #[serde(default)]
251 pub edit_predictions: Option<InlineCompletionSettingsContent>,
252 /// The default language settings.
253 #[serde(flatten)]
254 pub defaults: LanguageSettingsContent,
255 /// The settings for individual languages.
256 #[serde(default)]
257 pub languages: HashMap<LanguageName, LanguageSettingsContent>,
258 /// Settings for associating file extensions and filenames
259 /// with languages.
260 #[serde(default)]
261 pub file_types: HashMap<Arc<str>, Vec<String>>,
262}
263
264/// The settings for a particular language.
265#[derive(Debug, Clone, Default, PartialEq, Serialize, Deserialize, JsonSchema)]
266pub struct LanguageSettingsContent {
267 /// How many columns a tab should occupy.
268 ///
269 /// Default: 4
270 #[serde(default)]
271 pub tab_size: Option<NonZeroU32>,
272 /// Whether to indent lines using tab characters, as opposed to multiple
273 /// spaces.
274 ///
275 /// Default: false
276 #[serde(default)]
277 pub hard_tabs: Option<bool>,
278 /// How to soft-wrap long lines of text.
279 ///
280 /// Default: none
281 #[serde(default)]
282 pub soft_wrap: Option<SoftWrap>,
283 /// The column at which to soft-wrap lines, for buffers where soft-wrap
284 /// is enabled.
285 ///
286 /// Default: 80
287 #[serde(default)]
288 pub preferred_line_length: Option<u32>,
289 /// Whether to show wrap guides in the editor. Setting this to true will
290 /// show a guide at the 'preferred_line_length' value if softwrap is set to
291 /// 'preferred_line_length', and will show any additional guides as specified
292 /// by the 'wrap_guides' setting.
293 ///
294 /// Default: true
295 #[serde(default)]
296 pub show_wrap_guides: Option<bool>,
297 /// Character counts at which to show wrap guides in the editor.
298 ///
299 /// Default: []
300 #[serde(default)]
301 pub wrap_guides: Option<Vec<usize>>,
302 /// Indent guide related settings.
303 #[serde(default)]
304 pub indent_guides: Option<IndentGuideSettings>,
305 /// Whether or not to perform a buffer format before saving.
306 ///
307 /// Default: on
308 #[serde(default)]
309 pub format_on_save: Option<FormatOnSave>,
310 /// Whether or not to remove any trailing whitespace from lines of a buffer
311 /// before saving it.
312 ///
313 /// Default: true
314 #[serde(default)]
315 pub remove_trailing_whitespace_on_save: Option<bool>,
316 /// Whether or not to ensure there's a single newline at the end of a buffer
317 /// when saving it.
318 ///
319 /// Default: true
320 #[serde(default)]
321 pub ensure_final_newline_on_save: Option<bool>,
322 /// How to perform a buffer format.
323 ///
324 /// Default: auto
325 #[serde(default)]
326 pub formatter: Option<SelectedFormatter>,
327 /// Zed's Prettier integration settings.
328 /// Allows to enable/disable formatting with Prettier
329 /// and configure default Prettier, used when no project-level Prettier installation is found.
330 ///
331 /// Default: off
332 #[serde(default)]
333 pub prettier: Option<PrettierSettings>,
334 /// Whether to use language servers to provide code intelligence.
335 ///
336 /// Default: true
337 #[serde(default)]
338 pub enable_language_server: Option<bool>,
339 /// The list of language servers to use (or disable) for this language.
340 ///
341 /// This array should consist of language server IDs, as well as the following
342 /// special tokens:
343 /// - `"!<language_server_id>"` - A language server ID prefixed with a `!` will be disabled.
344 /// - `"..."` - A placeholder to refer to the **rest** of the registered language servers for this language.
345 ///
346 /// Default: ["..."]
347 #[serde(default)]
348 pub language_servers: Option<Vec<String>>,
349 /// Controls whether edit predictions are shown immediately (true)
350 /// or manually by triggering `editor::ShowEditPrediction` (false).
351 ///
352 /// Default: true
353 #[serde(default)]
354 pub show_edit_predictions: Option<bool>,
355 /// Controls whether edit predictions are shown in the given language
356 /// scopes.
357 ///
358 /// Example: ["string", "comment"]
359 ///
360 /// Default: []
361 #[serde(default)]
362 pub edit_predictions_disabled_in: Option<Vec<String>>,
363 /// Whether to show tabs and spaces in the editor.
364 #[serde(default)]
365 pub show_whitespaces: Option<ShowWhitespaceSetting>,
366 /// Whether to start a new line with a comment when a previous line is a comment as well.
367 ///
368 /// Default: true
369 #[serde(default)]
370 pub extend_comment_on_newline: Option<bool>,
371 /// Inlay hint related settings.
372 #[serde(default)]
373 pub inlay_hints: Option<InlayHintSettings>,
374 /// Whether to automatically type closing characters for you. For example,
375 /// when you type (, Zed will automatically add a closing ) at the correct position.
376 ///
377 /// Default: true
378 pub use_autoclose: Option<bool>,
379 /// Whether to automatically surround text with characters for you. For example,
380 /// when you select text and type (, Zed will automatically surround text with ().
381 ///
382 /// Default: true
383 pub use_auto_surround: Option<bool>,
384 /// Controls how the editor handles the autoclosed characters.
385 /// When set to `false`(default), skipping over and auto-removing of the closing characters
386 /// happen only for auto-inserted characters.
387 /// Otherwise(when `true`), the closing characters are always skipped over and auto-removed
388 /// no matter how they were inserted.
389 ///
390 /// Default: false
391 pub always_treat_brackets_as_autoclosed: Option<bool>,
392 /// Whether to use additional LSP queries to format (and amend) the code after
393 /// every "trigger" symbol input, defined by LSP server capabilities.
394 ///
395 /// Default: true
396 pub use_on_type_format: Option<bool>,
397 /// Which code actions to run on save after the formatter.
398 /// These are not run if formatting is off.
399 ///
400 /// Default: {} (or {"source.organizeImports": true} for Go).
401 pub code_actions_on_format: Option<HashMap<String, bool>>,
402 /// Whether to perform linked edits of associated ranges, if the language server supports it.
403 /// For example, when editing opening <html> tag, the contents of the closing </html> tag will be edited as well.
404 ///
405 /// Default: true
406 pub linked_edits: Option<bool>,
407 /// Whether indentation of pasted content should be adjusted based on the context.
408 ///
409 /// Default: true
410 pub auto_indent_on_paste: Option<bool>,
411 /// Task configuration for this language.
412 ///
413 /// Default: {}
414 pub tasks: Option<LanguageTaskConfig>,
415 /// Whether to pop the completions menu while typing in an editor without
416 /// explicitly requesting it.
417 ///
418 /// Default: true
419 pub show_completions_on_input: Option<bool>,
420 /// Whether to display inline and alongside documentation for items in the
421 /// completions menu.
422 ///
423 /// Default: true
424 pub show_completion_documentation: Option<bool>,
425}
426
427/// The contents of the edit prediction settings.
428#[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema, PartialEq)]
429pub struct InlineCompletionSettingsContent {
430 /// A list of globs representing files that edit predictions should be disabled for.
431 #[serde(default)]
432 pub disabled_globs: Option<Vec<String>>,
433 /// When to show edit predictions previews in buffer.
434 #[serde(default)]
435 pub inline_preview: InlineCompletionPreviewMode,
436}
437
438/// The settings for enabling/disabling features.
439#[derive(Debug, Clone, PartialEq, Default, Serialize, Deserialize, JsonSchema)]
440#[serde(rename_all = "snake_case")]
441pub struct FeaturesContent {
442 /// Whether the GitHub Copilot feature is enabled.
443 pub copilot: Option<bool>,
444 /// Determines which edit prediction provider to use.
445 pub edit_prediction_provider: Option<EditPredictionProvider>,
446}
447
448/// Controls the soft-wrapping behavior in the editor.
449#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
450#[serde(rename_all = "snake_case")]
451pub enum SoftWrap {
452 /// Prefer a single line generally, unless an overly long line is encountered.
453 None,
454 /// Deprecated: use None instead. Left to avoid breaking existing users' configs.
455 /// Prefer a single line generally, unless an overly long line is encountered.
456 PreferLine,
457 /// Soft wrap lines that exceed the editor width.
458 EditorWidth,
459 /// Soft wrap lines at the preferred line length.
460 PreferredLineLength,
461 /// Soft wrap line at the preferred line length or the editor width (whichever is smaller).
462 Bounded,
463}
464
465/// Controls the behavior of formatting files when they are saved.
466#[derive(Debug, Clone, PartialEq, Eq)]
467pub enum FormatOnSave {
468 /// Files should be formatted on save.
469 On,
470 /// Files should not be formatted on save.
471 Off,
472 List(FormatterList),
473}
474
475impl JsonSchema for FormatOnSave {
476 fn schema_name() -> String {
477 "OnSaveFormatter".into()
478 }
479
480 fn json_schema(generator: &mut schemars::r#gen::SchemaGenerator) -> Schema {
481 let mut schema = SchemaObject::default();
482 let formatter_schema = Formatter::json_schema(generator);
483 schema.instance_type = Some(
484 vec![
485 InstanceType::Object,
486 InstanceType::String,
487 InstanceType::Array,
488 ]
489 .into(),
490 );
491
492 let valid_raw_values = SchemaObject {
493 enum_values: Some(vec![
494 Value::String("on".into()),
495 Value::String("off".into()),
496 Value::String("prettier".into()),
497 Value::String("language_server".into()),
498 ]),
499 ..Default::default()
500 };
501 let mut nested_values = SchemaObject::default();
502
503 nested_values.array().items = Some(formatter_schema.clone().into());
504
505 schema.subschemas().any_of = Some(vec![
506 nested_values.into(),
507 valid_raw_values.into(),
508 formatter_schema,
509 ]);
510 schema.into()
511 }
512}
513
514impl Serialize for FormatOnSave {
515 fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
516 where
517 S: serde::Serializer,
518 {
519 match self {
520 Self::On => serializer.serialize_str("on"),
521 Self::Off => serializer.serialize_str("off"),
522 Self::List(list) => list.serialize(serializer),
523 }
524 }
525}
526
527impl<'de> Deserialize<'de> for FormatOnSave {
528 fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
529 where
530 D: Deserializer<'de>,
531 {
532 struct FormatDeserializer;
533
534 impl<'d> Visitor<'d> for FormatDeserializer {
535 type Value = FormatOnSave;
536
537 fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
538 formatter.write_str("a valid on-save formatter kind")
539 }
540 fn visit_str<E>(self, v: &str) -> std::result::Result<Self::Value, E>
541 where
542 E: serde::de::Error,
543 {
544 if v == "on" {
545 Ok(Self::Value::On)
546 } else if v == "off" {
547 Ok(Self::Value::Off)
548 } else if v == "language_server" {
549 Ok(Self::Value::List(FormatterList(
550 Formatter::LanguageServer { name: None }.into(),
551 )))
552 } else {
553 let ret: Result<FormatterList, _> =
554 Deserialize::deserialize(v.into_deserializer());
555 ret.map(Self::Value::List)
556 }
557 }
558 fn visit_map<A>(self, map: A) -> Result<Self::Value, A::Error>
559 where
560 A: MapAccess<'d>,
561 {
562 let ret: Result<FormatterList, _> =
563 Deserialize::deserialize(de::value::MapAccessDeserializer::new(map));
564 ret.map(Self::Value::List)
565 }
566 fn visit_seq<A>(self, map: A) -> Result<Self::Value, A::Error>
567 where
568 A: SeqAccess<'d>,
569 {
570 let ret: Result<FormatterList, _> =
571 Deserialize::deserialize(de::value::SeqAccessDeserializer::new(map));
572 ret.map(Self::Value::List)
573 }
574 }
575 deserializer.deserialize_any(FormatDeserializer)
576 }
577}
578
579/// Controls how whitespace should be displayedin the editor.
580#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
581#[serde(rename_all = "snake_case")]
582pub enum ShowWhitespaceSetting {
583 /// Draw whitespace only for the selected text.
584 Selection,
585 /// Do not draw any tabs or spaces.
586 None,
587 /// Draw all invisible symbols.
588 All,
589 /// Draw whitespaces at boundaries only.
590 ///
591 /// For a whitespace to be on a boundary, any of the following conditions need to be met:
592 /// - It is a tab
593 /// - It is adjacent to an edge (start or end)
594 /// - It is adjacent to a whitespace (left or right)
595 Boundary,
596}
597
598/// Controls which formatter should be used when formatting code.
599#[derive(Clone, Debug, Default, PartialEq, Eq)]
600pub enum SelectedFormatter {
601 /// Format files using Zed's Prettier integration (if applicable),
602 /// or falling back to formatting via language server.
603 #[default]
604 Auto,
605 List(FormatterList),
606}
607
608impl JsonSchema for SelectedFormatter {
609 fn schema_name() -> String {
610 "Formatter".into()
611 }
612
613 fn json_schema(generator: &mut schemars::r#gen::SchemaGenerator) -> Schema {
614 let mut schema = SchemaObject::default();
615 let formatter_schema = Formatter::json_schema(generator);
616 schema.instance_type = Some(
617 vec![
618 InstanceType::Object,
619 InstanceType::String,
620 InstanceType::Array,
621 ]
622 .into(),
623 );
624
625 let valid_raw_values = SchemaObject {
626 enum_values: Some(vec![
627 Value::String("auto".into()),
628 Value::String("prettier".into()),
629 Value::String("language_server".into()),
630 ]),
631 ..Default::default()
632 };
633
634 let mut nested_values = SchemaObject::default();
635
636 nested_values.array().items = Some(formatter_schema.clone().into());
637
638 schema.subschemas().any_of = Some(vec![
639 nested_values.into(),
640 valid_raw_values.into(),
641 formatter_schema,
642 ]);
643 schema.into()
644 }
645}
646
647impl Serialize for SelectedFormatter {
648 fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
649 where
650 S: serde::Serializer,
651 {
652 match self {
653 SelectedFormatter::Auto => serializer.serialize_str("auto"),
654 SelectedFormatter::List(list) => list.serialize(serializer),
655 }
656 }
657}
658impl<'de> Deserialize<'de> for SelectedFormatter {
659 fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
660 where
661 D: Deserializer<'de>,
662 {
663 struct FormatDeserializer;
664
665 impl<'d> Visitor<'d> for FormatDeserializer {
666 type Value = SelectedFormatter;
667
668 fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
669 formatter.write_str("a valid formatter kind")
670 }
671 fn visit_str<E>(self, v: &str) -> std::result::Result<Self::Value, E>
672 where
673 E: serde::de::Error,
674 {
675 if v == "auto" {
676 Ok(Self::Value::Auto)
677 } else if v == "language_server" {
678 Ok(Self::Value::List(FormatterList(
679 Formatter::LanguageServer { name: None }.into(),
680 )))
681 } else {
682 let ret: Result<FormatterList, _> =
683 Deserialize::deserialize(v.into_deserializer());
684 ret.map(SelectedFormatter::List)
685 }
686 }
687 fn visit_map<A>(self, map: A) -> Result<Self::Value, A::Error>
688 where
689 A: MapAccess<'d>,
690 {
691 let ret: Result<FormatterList, _> =
692 Deserialize::deserialize(de::value::MapAccessDeserializer::new(map));
693 ret.map(SelectedFormatter::List)
694 }
695 fn visit_seq<A>(self, map: A) -> Result<Self::Value, A::Error>
696 where
697 A: SeqAccess<'d>,
698 {
699 let ret: Result<FormatterList, _> =
700 Deserialize::deserialize(de::value::SeqAccessDeserializer::new(map));
701 ret.map(SelectedFormatter::List)
702 }
703 }
704 deserializer.deserialize_any(FormatDeserializer)
705 }
706}
707/// Controls which formatter should be used when formatting code.
708#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
709#[serde(rename_all = "snake_case", transparent)]
710pub struct FormatterList(pub SingleOrVec<Formatter>);
711
712impl AsRef<[Formatter]> for FormatterList {
713 fn as_ref(&self) -> &[Formatter] {
714 match &self.0 {
715 SingleOrVec::Single(single) => slice::from_ref(single),
716 SingleOrVec::Vec(v) => v,
717 }
718 }
719}
720
721/// Controls which formatter should be used when formatting code. If there are multiple formatters, they are executed in the order of declaration.
722#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
723#[serde(rename_all = "snake_case")]
724pub enum Formatter {
725 /// Format code using the current language server.
726 LanguageServer { name: Option<String> },
727 /// Format code using Zed's Prettier integration.
728 Prettier,
729 /// Format code using an external command.
730 External {
731 /// The external program to run.
732 command: Arc<str>,
733 /// The arguments to pass to the program.
734 arguments: Option<Arc<[String]>>,
735 },
736 /// Files should be formatted using code actions executed by language servers.
737 CodeActions(HashMap<String, bool>),
738}
739
740/// The settings for indent guides.
741#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
742pub struct IndentGuideSettings {
743 /// Whether to display indent guides in the editor.
744 ///
745 /// Default: true
746 #[serde(default = "default_true")]
747 pub enabled: bool,
748 /// The width of the indent guides in pixels, between 1 and 10.
749 ///
750 /// Default: 1
751 #[serde(default = "line_width")]
752 pub line_width: u32,
753 /// The width of the active indent guide in pixels, between 1 and 10.
754 ///
755 /// Default: 1
756 #[serde(default = "active_line_width")]
757 pub active_line_width: u32,
758 /// Determines how indent guides are colored.
759 ///
760 /// Default: Fixed
761 #[serde(default)]
762 pub coloring: IndentGuideColoring,
763 /// Determines how indent guide backgrounds are colored.
764 ///
765 /// Default: Disabled
766 #[serde(default)]
767 pub background_coloring: IndentGuideBackgroundColoring,
768}
769
770fn line_width() -> u32 {
771 1
772}
773
774fn active_line_width() -> u32 {
775 line_width()
776}
777
778/// Determines how indent guides are colored.
779#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
780#[serde(rename_all = "snake_case")]
781pub enum IndentGuideColoring {
782 /// Do not render any lines for indent guides.
783 Disabled,
784 /// Use the same color for all indentation levels.
785 #[default]
786 Fixed,
787 /// Use a different color for each indentation level.
788 IndentAware,
789}
790
791/// Determines how indent guide backgrounds are colored.
792#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
793#[serde(rename_all = "snake_case")]
794pub enum IndentGuideBackgroundColoring {
795 /// Do not render any background for indent guides.
796 #[default]
797 Disabled,
798 /// Use a different color for each indentation level.
799 IndentAware,
800}
801
802/// The settings for inlay hints.
803#[derive(Copy, Clone, Debug, Serialize, Deserialize, JsonSchema, PartialEq, Eq)]
804pub struct InlayHintSettings {
805 /// Global switch to toggle hints on and off.
806 ///
807 /// Default: false
808 #[serde(default)]
809 pub enabled: bool,
810 /// Whether type hints should be shown.
811 ///
812 /// Default: true
813 #[serde(default = "default_true")]
814 pub show_type_hints: bool,
815 /// Whether parameter hints should be shown.
816 ///
817 /// Default: true
818 #[serde(default = "default_true")]
819 pub show_parameter_hints: bool,
820 /// Whether other hints should be shown.
821 ///
822 /// Default: true
823 #[serde(default = "default_true")]
824 pub show_other_hints: bool,
825 /// Whether to show a background for inlay hints.
826 ///
827 /// If set to `true`, the background will use the `hint.background` color
828 /// from the current theme.
829 ///
830 /// Default: false
831 #[serde(default)]
832 pub show_background: bool,
833 /// Whether or not to debounce inlay hints updates after buffer edits.
834 ///
835 /// Set to 0 to disable debouncing.
836 ///
837 /// Default: 700
838 #[serde(default = "edit_debounce_ms")]
839 pub edit_debounce_ms: u64,
840 /// Whether or not to debounce inlay hints updates after buffer scrolls.
841 ///
842 /// Set to 0 to disable debouncing.
843 ///
844 /// Default: 50
845 #[serde(default = "scroll_debounce_ms")]
846 pub scroll_debounce_ms: u64,
847}
848
849fn edit_debounce_ms() -> u64 {
850 700
851}
852
853fn scroll_debounce_ms() -> u64 {
854 50
855}
856
857/// The task settings for a particular language.
858#[derive(Debug, Clone, Deserialize, PartialEq, Serialize, JsonSchema)]
859pub struct LanguageTaskConfig {
860 /// Extra task variables to set for a particular language.
861 pub variables: HashMap<String, String>,
862}
863
864impl InlayHintSettings {
865 /// Returns the kinds of inlay hints that are enabled based on the settings.
866 pub fn enabled_inlay_hint_kinds(&self) -> HashSet<Option<InlayHintKind>> {
867 let mut kinds = HashSet::default();
868 if self.show_type_hints {
869 kinds.insert(Some(InlayHintKind::Type));
870 }
871 if self.show_parameter_hints {
872 kinds.insert(Some(InlayHintKind::Parameter));
873 }
874 if self.show_other_hints {
875 kinds.insert(None);
876 }
877 kinds
878 }
879}
880
881impl AllLanguageSettings {
882 /// Returns the [`LanguageSettings`] for the language with the specified name.
883 pub fn language<'a>(
884 &'a self,
885 location: Option<SettingsLocation<'a>>,
886 language_name: Option<&LanguageName>,
887 cx: &'a App,
888 ) -> Cow<'a, LanguageSettings> {
889 let settings = language_name
890 .and_then(|name| self.languages.get(name))
891 .unwrap_or(&self.defaults);
892
893 let editorconfig_properties = location.and_then(|location| {
894 cx.global::<SettingsStore>()
895 .editorconfig_properties(location.worktree_id, location.path)
896 });
897 if let Some(editorconfig_properties) = editorconfig_properties {
898 let mut settings = settings.clone();
899 merge_with_editorconfig(&mut settings, &editorconfig_properties);
900 Cow::Owned(settings)
901 } else {
902 Cow::Borrowed(settings)
903 }
904 }
905
906 /// Returns whether edit predictions are enabled for the given path.
907 pub fn inline_completions_enabled_for_path(&self, path: &Path) -> bool {
908 !self
909 .edit_predictions
910 .disabled_globs
911 .iter()
912 .any(|glob| glob.is_match(path))
913 }
914
915 /// Returns whether edit predictions are enabled for the given language and path.
916 pub fn show_inline_completions(&self, language: Option<&Arc<Language>>, cx: &App) -> bool {
917 self.language(None, language.map(|l| l.name()).as_ref(), cx)
918 .show_edit_predictions
919 }
920
921 /// Returns the edit predictions preview mode for the given language and path.
922 pub fn inline_completions_preview_mode(&self) -> InlineCompletionPreviewMode {
923 self.edit_predictions.inline_preview
924 }
925}
926
927fn merge_with_editorconfig(settings: &mut LanguageSettings, cfg: &EditorconfigProperties) {
928 let tab_size = cfg.get::<IndentSize>().ok().and_then(|v| match v {
929 IndentSize::Value(u) => NonZeroU32::new(u as u32),
930 IndentSize::UseTabWidth => cfg.get::<TabWidth>().ok().and_then(|w| match w {
931 TabWidth::Value(u) => NonZeroU32::new(u as u32),
932 }),
933 });
934 let hard_tabs = cfg
935 .get::<IndentStyle>()
936 .map(|v| v.eq(&IndentStyle::Tabs))
937 .ok();
938 let ensure_final_newline_on_save = cfg
939 .get::<FinalNewline>()
940 .map(|v| match v {
941 FinalNewline::Value(b) => b,
942 })
943 .ok();
944 let remove_trailing_whitespace_on_save = cfg
945 .get::<TrimTrailingWs>()
946 .map(|v| match v {
947 TrimTrailingWs::Value(b) => b,
948 })
949 .ok();
950 fn merge<T>(target: &mut T, value: Option<T>) {
951 if let Some(value) = value {
952 *target = value;
953 }
954 }
955 merge(&mut settings.tab_size, tab_size);
956 merge(&mut settings.hard_tabs, hard_tabs);
957 merge(
958 &mut settings.remove_trailing_whitespace_on_save,
959 remove_trailing_whitespace_on_save,
960 );
961 merge(
962 &mut settings.ensure_final_newline_on_save,
963 ensure_final_newline_on_save,
964 );
965}
966
967/// The kind of an inlay hint.
968#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
969pub enum InlayHintKind {
970 /// An inlay hint for a type.
971 Type,
972 /// An inlay hint for a parameter.
973 Parameter,
974}
975
976impl InlayHintKind {
977 /// Returns the [`InlayHintKind`] from the given name.
978 ///
979 /// Returns `None` if `name` does not match any of the expected
980 /// string representations.
981 pub fn from_name(name: &str) -> Option<Self> {
982 match name {
983 "type" => Some(InlayHintKind::Type),
984 "parameter" => Some(InlayHintKind::Parameter),
985 _ => None,
986 }
987 }
988
989 /// Returns the name of this [`InlayHintKind`].
990 pub fn name(&self) -> &'static str {
991 match self {
992 InlayHintKind::Type => "type",
993 InlayHintKind::Parameter => "parameter",
994 }
995 }
996}
997
998impl settings::Settings for AllLanguageSettings {
999 const KEY: Option<&'static str> = None;
1000
1001 type FileContent = AllLanguageSettingsContent;
1002
1003 fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
1004 let default_value = sources.default;
1005
1006 // A default is provided for all settings.
1007 let mut defaults: LanguageSettings =
1008 serde_json::from_value(serde_json::to_value(&default_value.defaults)?)?;
1009
1010 let mut languages = HashMap::default();
1011 for (language_name, settings) in &default_value.languages {
1012 let mut language_settings = defaults.clone();
1013 merge_settings(&mut language_settings, settings);
1014 languages.insert(language_name.clone(), language_settings);
1015 }
1016
1017 let mut copilot_enabled = default_value.features.as_ref().and_then(|f| f.copilot);
1018 let mut edit_prediction_provider = default_value
1019 .features
1020 .as_ref()
1021 .and_then(|f| f.edit_prediction_provider);
1022 let mut inline_completions_preview = default_value
1023 .edit_predictions
1024 .as_ref()
1025 .map(|inline_completions| inline_completions.inline_preview)
1026 .ok_or_else(Self::missing_default)?;
1027
1028 let mut completion_globs: HashSet<&String> = default_value
1029 .edit_predictions
1030 .as_ref()
1031 .and_then(|c| c.disabled_globs.as_ref())
1032 .map(|globs| globs.iter().collect())
1033 .ok_or_else(Self::missing_default)?;
1034
1035 let mut file_types: HashMap<Arc<str>, GlobSet> = HashMap::default();
1036
1037 for (language, suffixes) in &default_value.file_types {
1038 let mut builder = GlobSetBuilder::new();
1039
1040 for suffix in suffixes {
1041 builder.add(Glob::new(suffix)?);
1042 }
1043
1044 file_types.insert(language.clone(), builder.build()?);
1045 }
1046
1047 for user_settings in sources.customizations() {
1048 if let Some(copilot) = user_settings.features.as_ref().and_then(|f| f.copilot) {
1049 copilot_enabled = Some(copilot);
1050 }
1051 if let Some(provider) = user_settings
1052 .features
1053 .as_ref()
1054 .and_then(|f| f.edit_prediction_provider)
1055 {
1056 edit_prediction_provider = Some(provider);
1057 }
1058
1059 if let Some(inline_completions) = user_settings.edit_predictions.as_ref() {
1060 inline_completions_preview = inline_completions.inline_preview;
1061
1062 if let Some(disabled_globs) = inline_completions.disabled_globs.as_ref() {
1063 completion_globs.extend(disabled_globs.iter());
1064 }
1065 }
1066
1067 // A user's global settings override the default global settings and
1068 // all default language-specific settings.
1069 merge_settings(&mut defaults, &user_settings.defaults);
1070 for language_settings in languages.values_mut() {
1071 merge_settings(language_settings, &user_settings.defaults);
1072 }
1073
1074 // A user's language-specific settings override default language-specific settings.
1075 for (language_name, user_language_settings) in &user_settings.languages {
1076 merge_settings(
1077 languages
1078 .entry(language_name.clone())
1079 .or_insert_with(|| defaults.clone()),
1080 user_language_settings,
1081 );
1082 }
1083
1084 for (language, suffixes) in &user_settings.file_types {
1085 let mut builder = GlobSetBuilder::new();
1086
1087 let default_value = default_value.file_types.get(&language.clone());
1088
1089 // Merge the default value with the user's value.
1090 if let Some(suffixes) = default_value {
1091 for suffix in suffixes {
1092 builder.add(Glob::new(suffix)?);
1093 }
1094 }
1095
1096 for suffix in suffixes {
1097 builder.add(Glob::new(suffix)?);
1098 }
1099
1100 file_types.insert(language.clone(), builder.build()?);
1101 }
1102 }
1103
1104 Ok(Self {
1105 edit_predictions: EditPredictionSettings {
1106 provider: if let Some(provider) = edit_prediction_provider {
1107 provider
1108 } else if copilot_enabled.unwrap_or(true) {
1109 EditPredictionProvider::Copilot
1110 } else {
1111 EditPredictionProvider::None
1112 },
1113 disabled_globs: completion_globs
1114 .iter()
1115 .filter_map(|g| Some(globset::Glob::new(g).ok()?.compile_matcher()))
1116 .collect(),
1117 inline_preview: inline_completions_preview,
1118 },
1119 defaults,
1120 languages,
1121 file_types,
1122 })
1123 }
1124
1125 fn json_schema(
1126 generator: &mut schemars::gen::SchemaGenerator,
1127 params: &settings::SettingsJsonSchemaParams,
1128 _: &App,
1129 ) -> schemars::schema::RootSchema {
1130 let mut root_schema = generator.root_schema_for::<Self::FileContent>();
1131
1132 // Create a schema for a 'languages overrides' object, associating editor
1133 // settings with specific languages.
1134 assert!(root_schema
1135 .definitions
1136 .contains_key("LanguageSettingsContent"));
1137
1138 let languages_object_schema = SchemaObject {
1139 instance_type: Some(InstanceType::Object.into()),
1140 object: Some(Box::new(ObjectValidation {
1141 properties: params
1142 .language_names
1143 .iter()
1144 .map(|name| {
1145 (
1146 name.clone(),
1147 Schema::new_ref("#/definitions/LanguageSettingsContent".into()),
1148 )
1149 })
1150 .collect(),
1151 ..Default::default()
1152 })),
1153 ..Default::default()
1154 };
1155
1156 root_schema
1157 .definitions
1158 .extend([("Languages".into(), languages_object_schema.into())]);
1159
1160 add_references_to_properties(
1161 &mut root_schema,
1162 &[("languages", "#/definitions/Languages")],
1163 );
1164
1165 root_schema
1166 }
1167}
1168
1169fn merge_settings(settings: &mut LanguageSettings, src: &LanguageSettingsContent) {
1170 fn merge<T>(target: &mut T, value: Option<T>) {
1171 if let Some(value) = value {
1172 *target = value;
1173 }
1174 }
1175
1176 merge(&mut settings.tab_size, src.tab_size);
1177 settings.tab_size = settings
1178 .tab_size
1179 .clamp(NonZeroU32::new(1).unwrap(), NonZeroU32::new(16).unwrap());
1180
1181 merge(&mut settings.hard_tabs, src.hard_tabs);
1182 merge(&mut settings.soft_wrap, src.soft_wrap);
1183 merge(&mut settings.use_autoclose, src.use_autoclose);
1184 merge(&mut settings.use_auto_surround, src.use_auto_surround);
1185 merge(&mut settings.use_on_type_format, src.use_on_type_format);
1186 merge(&mut settings.auto_indent_on_paste, src.auto_indent_on_paste);
1187 merge(
1188 &mut settings.always_treat_brackets_as_autoclosed,
1189 src.always_treat_brackets_as_autoclosed,
1190 );
1191 merge(&mut settings.show_wrap_guides, src.show_wrap_guides);
1192 merge(&mut settings.wrap_guides, src.wrap_guides.clone());
1193 merge(&mut settings.indent_guides, src.indent_guides);
1194 merge(
1195 &mut settings.code_actions_on_format,
1196 src.code_actions_on_format.clone(),
1197 );
1198 merge(&mut settings.linked_edits, src.linked_edits);
1199 merge(&mut settings.tasks, src.tasks.clone());
1200
1201 merge(
1202 &mut settings.preferred_line_length,
1203 src.preferred_line_length,
1204 );
1205 merge(&mut settings.formatter, src.formatter.clone());
1206 merge(&mut settings.prettier, src.prettier.clone());
1207 merge(&mut settings.format_on_save, src.format_on_save.clone());
1208 merge(
1209 &mut settings.remove_trailing_whitespace_on_save,
1210 src.remove_trailing_whitespace_on_save,
1211 );
1212 merge(
1213 &mut settings.ensure_final_newline_on_save,
1214 src.ensure_final_newline_on_save,
1215 );
1216 merge(
1217 &mut settings.enable_language_server,
1218 src.enable_language_server,
1219 );
1220 merge(&mut settings.language_servers, src.language_servers.clone());
1221 merge(
1222 &mut settings.show_edit_predictions,
1223 src.show_edit_predictions,
1224 );
1225 merge(
1226 &mut settings.edit_predictions_disabled_in,
1227 src.edit_predictions_disabled_in.clone(),
1228 );
1229 merge(&mut settings.show_whitespaces, src.show_whitespaces);
1230 merge(
1231 &mut settings.extend_comment_on_newline,
1232 src.extend_comment_on_newline,
1233 );
1234 merge(&mut settings.inlay_hints, src.inlay_hints);
1235 merge(
1236 &mut settings.show_completions_on_input,
1237 src.show_completions_on_input,
1238 );
1239 merge(
1240 &mut settings.show_completion_documentation,
1241 src.show_completion_documentation,
1242 );
1243}
1244
1245/// Allows to enable/disable formatting with Prettier
1246/// and configure default Prettier, used when no project-level Prettier installation is found.
1247/// Prettier formatting is disabled by default.
1248#[derive(Default, Debug, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
1249pub struct PrettierSettings {
1250 /// Enables or disables formatting with Prettier for a given language.
1251 #[serde(default)]
1252 pub allowed: bool,
1253
1254 /// Forces Prettier integration to use a specific parser name when formatting files with the language.
1255 #[serde(default)]
1256 pub parser: Option<String>,
1257
1258 /// Forces Prettier integration to use specific plugins when formatting files with the language.
1259 /// The default Prettier will be installed with these plugins.
1260 #[serde(default)]
1261 pub plugins: HashSet<String>,
1262
1263 /// Default Prettier options, in the format as in package.json section for Prettier.
1264 /// If project installs Prettier via its package.json, these options will be ignored.
1265 #[serde(flatten)]
1266 pub options: HashMap<String, serde_json::Value>,
1267}
1268
1269#[cfg(test)]
1270mod tests {
1271 use super::*;
1272
1273 #[test]
1274 fn test_formatter_deserialization() {
1275 let raw_auto = "{\"formatter\": \"auto\"}";
1276 let settings: LanguageSettingsContent = serde_json::from_str(raw_auto).unwrap();
1277 assert_eq!(settings.formatter, Some(SelectedFormatter::Auto));
1278 let raw = "{\"formatter\": \"language_server\"}";
1279 let settings: LanguageSettingsContent = serde_json::from_str(raw).unwrap();
1280 assert_eq!(
1281 settings.formatter,
1282 Some(SelectedFormatter::List(FormatterList(
1283 Formatter::LanguageServer { name: None }.into()
1284 )))
1285 );
1286 let raw = "{\"formatter\": [{\"language_server\": {\"name\": null}}]}";
1287 let settings: LanguageSettingsContent = serde_json::from_str(raw).unwrap();
1288 assert_eq!(
1289 settings.formatter,
1290 Some(SelectedFormatter::List(FormatterList(
1291 vec![Formatter::LanguageServer { name: None }].into()
1292 )))
1293 );
1294 let raw = "{\"formatter\": [{\"language_server\": {\"name\": null}}, \"prettier\"]}";
1295 let settings: LanguageSettingsContent = serde_json::from_str(raw).unwrap();
1296 assert_eq!(
1297 settings.formatter,
1298 Some(SelectedFormatter::List(FormatterList(
1299 vec![
1300 Formatter::LanguageServer { name: None },
1301 Formatter::Prettier
1302 ]
1303 .into()
1304 )))
1305 );
1306 }
1307
1308 #[test]
1309 fn test_formatter_deserialization_invalid() {
1310 let raw_auto = "{\"formatter\": {}}";
1311 let result: Result<LanguageSettingsContent, _> = serde_json::from_str(raw_auto);
1312 assert!(result.is_err());
1313 }
1314
1315 #[test]
1316 pub fn test_resolve_language_servers() {
1317 fn language_server_names(names: &[&str]) -> Vec<LanguageServerName> {
1318 names
1319 .iter()
1320 .copied()
1321 .map(|name| LanguageServerName(name.to_string().into()))
1322 .collect::<Vec<_>>()
1323 }
1324
1325 let available_language_servers = language_server_names(&[
1326 "typescript-language-server",
1327 "biome",
1328 "deno",
1329 "eslint",
1330 "tailwind",
1331 ]);
1332
1333 // A value of just `["..."]` is the same as taking all of the available language servers.
1334 assert_eq!(
1335 LanguageSettings::resolve_language_servers(
1336 &[LanguageSettings::REST_OF_LANGUAGE_SERVERS.into()],
1337 &available_language_servers,
1338 ),
1339 available_language_servers
1340 );
1341
1342 // Referencing one of the available language servers will change its order.
1343 assert_eq!(
1344 LanguageSettings::resolve_language_servers(
1345 &[
1346 "biome".into(),
1347 LanguageSettings::REST_OF_LANGUAGE_SERVERS.into(),
1348 "deno".into()
1349 ],
1350 &available_language_servers
1351 ),
1352 language_server_names(&[
1353 "biome",
1354 "typescript-language-server",
1355 "eslint",
1356 "tailwind",
1357 "deno",
1358 ])
1359 );
1360
1361 // Negating an available language server removes it from the list.
1362 assert_eq!(
1363 LanguageSettings::resolve_language_servers(
1364 &[
1365 "deno".into(),
1366 "!typescript-language-server".into(),
1367 "!biome".into(),
1368 LanguageSettings::REST_OF_LANGUAGE_SERVERS.into()
1369 ],
1370 &available_language_servers
1371 ),
1372 language_server_names(&["deno", "eslint", "tailwind"])
1373 );
1374
1375 // Adding a language server not in the list of available language servers adds it to the list.
1376 assert_eq!(
1377 LanguageSettings::resolve_language_servers(
1378 &[
1379 "my-cool-language-server".into(),
1380 LanguageSettings::REST_OF_LANGUAGE_SERVERS.into()
1381 ],
1382 &available_language_servers
1383 ),
1384 language_server_names(&[
1385 "my-cool-language-server",
1386 "typescript-language-server",
1387 "biome",
1388 "deno",
1389 "eslint",
1390 "tailwind",
1391 ])
1392 );
1393 }
1394}