settings.rs

   1mod keymap_file;
   2pub mod settings_file;
   3pub mod watched_json;
   4
   5use anyhow::{bail, Result};
   6use gpui::{
   7    font_cache::{FamilyId, FontCache},
   8    fonts, AssetSource,
   9};
  10use schemars::{
  11    gen::{SchemaGenerator, SchemaSettings},
  12    schema::{InstanceType, ObjectValidation, Schema, SchemaObject, SingleOrVec},
  13    JsonSchema,
  14};
  15use serde::{de::DeserializeOwned, Deserialize, Deserializer, Serialize};
  16use serde_json::Value;
  17use sqlez::{
  18    bindable::{Bind, Column, StaticColumnCount},
  19    statement::Statement,
  20};
  21use std::{collections::HashMap, num::NonZeroU32, str, sync::Arc};
  22use theme::{Theme, ThemeRegistry};
  23use tree_sitter::Query;
  24use util::{RangeExt, ResultExt as _};
  25
  26pub use keymap_file::{keymap_file_json_schema, KeymapFileContent};
  27pub use watched_json::watch_files;
  28
  29#[derive(Clone)]
  30pub struct Settings {
  31    pub features: Features,
  32    pub buffer_font_family_name: String,
  33    pub buffer_font_features: fonts::Features,
  34    pub buffer_font_family: FamilyId,
  35    pub default_buffer_font_size: f32,
  36    pub buffer_font_size: f32,
  37    pub active_pane_magnification: f32,
  38    pub cursor_blink: bool,
  39    pub confirm_quit: bool,
  40    pub hover_popover_enabled: bool,
  41    pub show_completions_on_input: bool,
  42    pub show_call_status_icon: bool,
  43    pub vim_mode: bool,
  44    pub autosave: Autosave,
  45    pub default_dock_anchor: DockAnchor,
  46    pub editor_defaults: EditorSettings,
  47    pub editor_overrides: EditorSettings,
  48    pub git: GitSettings,
  49    pub git_overrides: GitSettings,
  50    pub journal_defaults: JournalSettings,
  51    pub journal_overrides: JournalSettings,
  52    pub terminal_defaults: TerminalSettings,
  53    pub terminal_overrides: TerminalSettings,
  54    pub language_defaults: HashMap<Arc<str>, EditorSettings>,
  55    pub language_overrides: HashMap<Arc<str>, EditorSettings>,
  56    pub lsp: HashMap<Arc<str>, LspSettings>,
  57    pub theme: Arc<Theme>,
  58    pub telemetry_defaults: TelemetrySettings,
  59    pub telemetry_overrides: TelemetrySettings,
  60    pub auto_update: bool,
  61    pub base_keymap: BaseKeymap,
  62}
  63
  64#[derive(Copy, Clone, Debug, Serialize, Deserialize, JsonSchema, PartialEq, Eq, Default)]
  65#[serde(rename_all = "snake_case")]
  66pub enum CopilotSettings {
  67    #[default]
  68    On,
  69    Off,
  70}
  71
  72impl From<CopilotSettings> for bool {
  73    fn from(value: CopilotSettings) -> Self {
  74        match value {
  75            CopilotSettings::On => true,
  76            CopilotSettings::Off => false,
  77        }
  78    }
  79}
  80
  81impl CopilotSettings {
  82    pub fn is_on(&self) -> bool {
  83        <CopilotSettings as Into<bool>>::into(*self)
  84    }
  85}
  86
  87#[derive(Copy, Clone, Debug, Serialize, Deserialize, JsonSchema, PartialEq, Eq, Default)]
  88pub enum BaseKeymap {
  89    #[default]
  90    VSCode,
  91    JetBrains,
  92    SublimeText,
  93    Atom,
  94    TextMate,
  95}
  96
  97impl BaseKeymap {
  98    pub const OPTIONS: [(&'static str, Self); 5] = [
  99        ("VSCode (Default)", Self::VSCode),
 100        ("Atom", Self::Atom),
 101        ("JetBrains", Self::JetBrains),
 102        ("Sublime Text", Self::SublimeText),
 103        ("TextMate", Self::TextMate),
 104    ];
 105
 106    pub fn asset_path(&self) -> Option<&'static str> {
 107        match self {
 108            BaseKeymap::JetBrains => Some("keymaps/jetbrains.json"),
 109            BaseKeymap::SublimeText => Some("keymaps/sublime_text.json"),
 110            BaseKeymap::Atom => Some("keymaps/atom.json"),
 111            BaseKeymap::TextMate => Some("keymaps/textmate.json"),
 112            BaseKeymap::VSCode => None,
 113        }
 114    }
 115
 116    pub fn names() -> impl Iterator<Item = &'static str> {
 117        Self::OPTIONS.iter().map(|(name, _)| *name)
 118    }
 119
 120    pub fn from_names(option: &str) -> BaseKeymap {
 121        Self::OPTIONS
 122            .iter()
 123            .copied()
 124            .find_map(|(name, value)| (name == option).then(|| value))
 125            .unwrap_or_default()
 126    }
 127}
 128
 129#[derive(Copy, Clone, Debug, Default, Serialize, Deserialize, JsonSchema)]
 130pub struct TelemetrySettings {
 131    diagnostics: Option<bool>,
 132    metrics: Option<bool>,
 133}
 134
 135impl TelemetrySettings {
 136    pub fn metrics(&self) -> bool {
 137        self.metrics.unwrap()
 138    }
 139
 140    pub fn diagnostics(&self) -> bool {
 141        self.diagnostics.unwrap()
 142    }
 143
 144    pub fn set_metrics(&mut self, value: bool) {
 145        self.metrics = Some(value);
 146    }
 147
 148    pub fn set_diagnostics(&mut self, value: bool) {
 149        self.diagnostics = Some(value);
 150    }
 151}
 152
 153#[derive(Copy, Clone, Debug, Default, Serialize, Deserialize, JsonSchema)]
 154pub struct GitSettings {
 155    pub git_gutter: Option<GitGutter>,
 156    pub gutter_debounce: Option<u64>,
 157}
 158
 159#[derive(Clone, Copy, Debug, Default, Serialize, Deserialize, JsonSchema)]
 160#[serde(rename_all = "snake_case")]
 161pub enum GitGutter {
 162    #[default]
 163    TrackedFiles,
 164    Hide,
 165}
 166
 167pub struct GitGutterConfig {}
 168
 169#[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema)]
 170pub struct EditorSettings {
 171    pub tab_size: Option<NonZeroU32>,
 172    pub hard_tabs: Option<bool>,
 173    pub soft_wrap: Option<SoftWrap>,
 174    pub preferred_line_length: Option<u32>,
 175    pub format_on_save: Option<FormatOnSave>,
 176    pub remove_trailing_whitespace_on_save: Option<bool>,
 177    pub ensure_final_newline_on_save: Option<bool>,
 178    pub formatter: Option<Formatter>,
 179    pub enable_language_server: Option<bool>,
 180    pub show_copilot_suggestions: Option<bool>,
 181}
 182
 183#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 184#[serde(rename_all = "snake_case")]
 185pub enum SoftWrap {
 186    None,
 187    EditorWidth,
 188    PreferredLineLength,
 189}
 190#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 191#[serde(rename_all = "snake_case")]
 192pub enum FormatOnSave {
 193    On,
 194    Off,
 195    LanguageServer,
 196    External {
 197        command: String,
 198        arguments: Vec<String>,
 199    },
 200}
 201
 202#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 203#[serde(rename_all = "snake_case")]
 204pub enum Formatter {
 205    LanguageServer,
 206    External {
 207        command: String,
 208        arguments: Vec<String>,
 209    },
 210}
 211
 212#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 213#[serde(rename_all = "snake_case")]
 214pub enum Autosave {
 215    Off,
 216    AfterDelay { milliseconds: u64 },
 217    OnFocusChange,
 218    OnWindowChange,
 219}
 220
 221#[derive(Clone, Debug, Serialize, Deserialize, JsonSchema)]
 222pub struct JournalSettings {
 223    pub path: Option<String>,
 224    pub hour_format: Option<HourFormat>,
 225}
 226
 227impl Default for JournalSettings {
 228    fn default() -> Self {
 229        Self {
 230            path: Some("~".into()),
 231            hour_format: Some(Default::default()),
 232        }
 233    }
 234}
 235
 236#[derive(Clone, Debug, Serialize, Deserialize, JsonSchema)]
 237#[serde(rename_all = "snake_case")]
 238pub enum HourFormat {
 239    Hour12,
 240    Hour24,
 241}
 242
 243impl Default for HourFormat {
 244    fn default() -> Self {
 245        Self::Hour12
 246    }
 247}
 248
 249#[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema)]
 250pub struct TerminalSettings {
 251    pub shell: Option<Shell>,
 252    pub working_directory: Option<WorkingDirectory>,
 253    pub font_size: Option<f32>,
 254    pub font_family: Option<String>,
 255    pub line_height: Option<TerminalLineHeight>,
 256    pub font_features: Option<fonts::Features>,
 257    pub env: Option<HashMap<String, String>>,
 258    pub blinking: Option<TerminalBlink>,
 259    pub alternate_scroll: Option<AlternateScroll>,
 260    pub option_as_meta: Option<bool>,
 261    pub copy_on_select: Option<bool>,
 262}
 263
 264#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, JsonSchema, Default)]
 265#[serde(rename_all = "snake_case")]
 266#[serde(untagged)]
 267pub enum TerminalLineHeight {
 268    #[default]
 269    #[serde(deserialize_with = "comfortable")]
 270    Comfortable,
 271    #[serde(deserialize_with = "standard")]
 272    Standard,
 273    Custom(f32),
 274}
 275
 276// Copied from: https://github.com/serde-rs/serde/issues/1158#issuecomment-365362959
 277fn comfortable<'de, D>(deserializer: D) -> Result<(), D::Error>
 278where
 279    D: Deserializer<'de>,
 280{
 281    #[derive(Deserialize)]
 282    enum Helper {
 283        #[serde(rename = "comfortable")]
 284        Variant,
 285    }
 286    Helper::deserialize(deserializer)?;
 287    Ok(())
 288}
 289
 290// Copied from: https://github.com/serde-rs/serde/issues/1158#issuecomment-365362959
 291fn standard<'de, D>(deserializer: D) -> Result<(), D::Error>
 292where
 293    D: Deserializer<'de>,
 294{
 295    #[derive(Deserialize)]
 296    enum Helper {
 297        #[serde(rename = "standard")]
 298        Variant,
 299    }
 300    Helper::deserialize(deserializer)?;
 301    Ok(())
 302}
 303
 304impl TerminalLineHeight {
 305    fn value(&self) -> f32 {
 306        match self {
 307            TerminalLineHeight::Comfortable => 1.618,
 308            TerminalLineHeight::Standard => 1.3,
 309            TerminalLineHeight::Custom(line_height) => *line_height,
 310        }
 311    }
 312}
 313
 314#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 315#[serde(rename_all = "snake_case")]
 316pub enum TerminalBlink {
 317    Off,
 318    TerminalControlled,
 319    On,
 320}
 321
 322impl Default for TerminalBlink {
 323    fn default() -> Self {
 324        TerminalBlink::TerminalControlled
 325    }
 326}
 327
 328#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 329#[serde(rename_all = "snake_case")]
 330pub enum Shell {
 331    System,
 332    Program(String),
 333    WithArguments { program: String, args: Vec<String> },
 334}
 335
 336impl Default for Shell {
 337    fn default() -> Self {
 338        Shell::System
 339    }
 340}
 341
 342#[derive(Clone, Copy, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 343#[serde(rename_all = "snake_case")]
 344pub enum AlternateScroll {
 345    On,
 346    Off,
 347}
 348
 349impl Default for AlternateScroll {
 350    fn default() -> Self {
 351        AlternateScroll::On
 352    }
 353}
 354
 355#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 356#[serde(rename_all = "snake_case")]
 357pub enum WorkingDirectory {
 358    CurrentProjectDirectory,
 359    FirstProjectDirectory,
 360    AlwaysHome,
 361    Always { directory: String },
 362}
 363
 364impl Default for WorkingDirectory {
 365    fn default() -> Self {
 366        Self::CurrentProjectDirectory
 367    }
 368}
 369
 370impl TerminalSettings {
 371    fn line_height(&self) -> Option<f32> {
 372        self.line_height
 373            .to_owned()
 374            .map(|line_height| line_height.value())
 375    }
 376}
 377
 378#[derive(PartialEq, Eq, Debug, Default, Copy, Clone, Hash, Serialize, Deserialize, JsonSchema)]
 379#[serde(rename_all = "snake_case")]
 380pub enum DockAnchor {
 381    #[default]
 382    Bottom,
 383    Right,
 384    Expanded,
 385}
 386
 387impl StaticColumnCount for DockAnchor {}
 388impl Bind for DockAnchor {
 389    fn bind(&self, statement: &Statement, start_index: i32) -> anyhow::Result<i32> {
 390        match self {
 391            DockAnchor::Bottom => "Bottom",
 392            DockAnchor::Right => "Right",
 393            DockAnchor::Expanded => "Expanded",
 394        }
 395        .bind(statement, start_index)
 396    }
 397}
 398
 399impl Column for DockAnchor {
 400    fn column(statement: &mut Statement, start_index: i32) -> anyhow::Result<(Self, i32)> {
 401        String::column(statement, start_index).and_then(|(anchor_text, next_index)| {
 402            Ok((
 403                match anchor_text.as_ref() {
 404                    "Bottom" => DockAnchor::Bottom,
 405                    "Right" => DockAnchor::Right,
 406                    "Expanded" => DockAnchor::Expanded,
 407                    _ => bail!("Stored dock anchor is incorrect"),
 408                },
 409                next_index,
 410            ))
 411        })
 412    }
 413}
 414
 415#[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema)]
 416pub struct SettingsFileContent {
 417    #[serde(default)]
 418    pub buffer_font_family: Option<String>,
 419    #[serde(default)]
 420    pub buffer_font_size: Option<f32>,
 421    #[serde(default)]
 422    pub buffer_font_features: Option<fonts::Features>,
 423    #[serde(default)]
 424    pub active_pane_magnification: Option<f32>,
 425    #[serde(default)]
 426    pub cursor_blink: Option<bool>,
 427    #[serde(default)]
 428    pub confirm_quit: Option<bool>,
 429    #[serde(default)]
 430    pub hover_popover_enabled: Option<bool>,
 431    #[serde(default)]
 432    pub show_completions_on_input: Option<bool>,
 433    #[serde(default)]
 434    pub show_call_status_icon: Option<bool>,
 435    #[serde(default)]
 436    pub vim_mode: Option<bool>,
 437    #[serde(default)]
 438    pub autosave: Option<Autosave>,
 439    #[serde(default)]
 440    pub default_dock_anchor: Option<DockAnchor>,
 441    #[serde(flatten)]
 442    pub editor: EditorSettings,
 443    #[serde(default)]
 444    pub journal: JournalSettings,
 445    #[serde(default)]
 446    pub terminal: TerminalSettings,
 447    #[serde(default)]
 448    pub git: Option<GitSettings>,
 449    #[serde(default)]
 450    #[serde(alias = "language_overrides")]
 451    pub languages: HashMap<Arc<str>, EditorSettings>,
 452    #[serde(default)]
 453    pub lsp: HashMap<Arc<str>, LspSettings>,
 454    #[serde(default)]
 455    pub theme: Option<String>,
 456    #[serde(default)]
 457    pub telemetry: TelemetrySettings,
 458    #[serde(default)]
 459    pub auto_update: Option<bool>,
 460    #[serde(default)]
 461    pub base_keymap: Option<BaseKeymap>,
 462    #[serde(default)]
 463    pub features: FeaturesContent,
 464}
 465
 466#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 467#[serde(rename_all = "snake_case")]
 468pub struct LspSettings {
 469    pub initialization_options: Option<Value>,
 470}
 471
 472#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 473#[serde(rename_all = "snake_case")]
 474pub struct Features {
 475    pub copilot: bool,
 476}
 477
 478#[derive(Clone, Debug, Default, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 479#[serde(rename_all = "snake_case")]
 480pub struct FeaturesContent {
 481    pub copilot: Option<bool>,
 482}
 483
 484impl Settings {
 485    /// Fill out the settings corresponding to the default.json file, overrides will be set later
 486    pub fn defaults(
 487        assets: impl AssetSource,
 488        font_cache: &FontCache,
 489        themes: &ThemeRegistry,
 490    ) -> Self {
 491        #[track_caller]
 492        fn required<T>(value: Option<T>) -> Option<T> {
 493            assert!(value.is_some(), "missing default setting value");
 494            value
 495        }
 496
 497        let defaults: SettingsFileContent = parse_json_with_comments(
 498            str::from_utf8(assets.load("settings/default.json").unwrap().as_ref()).unwrap(),
 499        )
 500        .unwrap();
 501
 502        let buffer_font_features = defaults.buffer_font_features.unwrap();
 503        Self {
 504            buffer_font_family: font_cache
 505                .load_family(
 506                    &[defaults.buffer_font_family.as_ref().unwrap()],
 507                    &buffer_font_features,
 508                )
 509                .unwrap(),
 510            buffer_font_family_name: defaults.buffer_font_family.unwrap(),
 511            buffer_font_features,
 512            buffer_font_size: defaults.buffer_font_size.unwrap(),
 513            active_pane_magnification: defaults.active_pane_magnification.unwrap(),
 514            default_buffer_font_size: defaults.buffer_font_size.unwrap(),
 515            confirm_quit: defaults.confirm_quit.unwrap(),
 516            cursor_blink: defaults.cursor_blink.unwrap(),
 517            hover_popover_enabled: defaults.hover_popover_enabled.unwrap(),
 518            show_completions_on_input: defaults.show_completions_on_input.unwrap(),
 519            show_call_status_icon: defaults.show_call_status_icon.unwrap(),
 520            vim_mode: defaults.vim_mode.unwrap(),
 521            autosave: defaults.autosave.unwrap(),
 522            default_dock_anchor: defaults.default_dock_anchor.unwrap(),
 523            editor_defaults: EditorSettings {
 524                tab_size: required(defaults.editor.tab_size),
 525                hard_tabs: required(defaults.editor.hard_tabs),
 526                soft_wrap: required(defaults.editor.soft_wrap),
 527                preferred_line_length: required(defaults.editor.preferred_line_length),
 528                remove_trailing_whitespace_on_save: required(
 529                    defaults.editor.remove_trailing_whitespace_on_save,
 530                ),
 531                ensure_final_newline_on_save: required(
 532                    defaults.editor.ensure_final_newline_on_save,
 533                ),
 534                format_on_save: required(defaults.editor.format_on_save),
 535                formatter: required(defaults.editor.formatter),
 536                enable_language_server: required(defaults.editor.enable_language_server),
 537                show_copilot_suggestions: required(defaults.editor.show_copilot_suggestions),
 538            },
 539            editor_overrides: Default::default(),
 540            git: defaults.git.unwrap(),
 541            git_overrides: Default::default(),
 542            journal_defaults: defaults.journal,
 543            journal_overrides: Default::default(),
 544            terminal_defaults: defaults.terminal,
 545            terminal_overrides: Default::default(),
 546            language_defaults: defaults.languages,
 547            language_overrides: Default::default(),
 548            lsp: defaults.lsp.clone(),
 549            theme: themes.get(&defaults.theme.unwrap()).unwrap(),
 550            telemetry_defaults: defaults.telemetry,
 551            telemetry_overrides: Default::default(),
 552            auto_update: defaults.auto_update.unwrap(),
 553            base_keymap: Default::default(),
 554            features: Features {
 555                copilot: defaults.features.copilot.unwrap(),
 556            },
 557        }
 558    }
 559
 560    // Fill out the overrride and etc. settings from the user's settings.json
 561    pub fn set_user_settings(
 562        &mut self,
 563        data: SettingsFileContent,
 564        theme_registry: &ThemeRegistry,
 565        font_cache: &FontCache,
 566    ) {
 567        let mut family_changed = false;
 568        if let Some(value) = data.buffer_font_family {
 569            self.buffer_font_family_name = value;
 570            family_changed = true;
 571        }
 572        if let Some(value) = data.buffer_font_features {
 573            self.buffer_font_features = value;
 574            family_changed = true;
 575        }
 576        if family_changed {
 577            if let Some(id) = font_cache
 578                .load_family(&[&self.buffer_font_family_name], &self.buffer_font_features)
 579                .log_err()
 580            {
 581                self.buffer_font_family = id;
 582            }
 583        }
 584
 585        if let Some(value) = &data.theme {
 586            if let Some(theme) = theme_registry.get(value).log_err() {
 587                self.theme = theme;
 588            }
 589        }
 590
 591        merge(&mut self.buffer_font_size, data.buffer_font_size);
 592        merge(
 593            &mut self.active_pane_magnification,
 594            data.active_pane_magnification,
 595        );
 596        merge(&mut self.default_buffer_font_size, data.buffer_font_size);
 597        merge(&mut self.cursor_blink, data.cursor_blink);
 598        merge(&mut self.confirm_quit, data.confirm_quit);
 599        merge(&mut self.hover_popover_enabled, data.hover_popover_enabled);
 600        merge(
 601            &mut self.show_completions_on_input,
 602            data.show_completions_on_input,
 603        );
 604        merge(&mut self.vim_mode, data.vim_mode);
 605        merge(&mut self.autosave, data.autosave);
 606        merge(&mut self.default_dock_anchor, data.default_dock_anchor);
 607        merge(&mut self.base_keymap, data.base_keymap);
 608        merge(&mut self.features.copilot, data.features.copilot);
 609
 610        self.editor_overrides = data.editor;
 611        self.git_overrides = data.git.unwrap_or_default();
 612        self.journal_overrides = data.journal;
 613        self.terminal_defaults.font_size = data.terminal.font_size;
 614        self.terminal_overrides.copy_on_select = data.terminal.copy_on_select;
 615        self.terminal_overrides = data.terminal;
 616        self.language_overrides = data.languages;
 617        self.telemetry_overrides = data.telemetry;
 618        self.lsp = data.lsp;
 619        merge(&mut self.auto_update, data.auto_update);
 620    }
 621
 622    pub fn with_language_defaults(
 623        mut self,
 624        language_name: impl Into<Arc<str>>,
 625        overrides: EditorSettings,
 626    ) -> Self {
 627        self.language_defaults
 628            .insert(language_name.into(), overrides);
 629        self
 630    }
 631
 632    pub fn features(&self) -> &Features {
 633        &self.features
 634    }
 635
 636    pub fn show_copilot_suggestions(&self, language: Option<&str>) -> bool {
 637        self.features.copilot
 638            && self.language_setting(language, |settings| {
 639                settings.show_copilot_suggestions.map(Into::into)
 640            })
 641    }
 642
 643    pub fn tab_size(&self, language: Option<&str>) -> NonZeroU32 {
 644        self.language_setting(language, |settings| settings.tab_size)
 645    }
 646
 647    pub fn hard_tabs(&self, language: Option<&str>) -> bool {
 648        self.language_setting(language, |settings| settings.hard_tabs)
 649    }
 650
 651    pub fn soft_wrap(&self, language: Option<&str>) -> SoftWrap {
 652        self.language_setting(language, |settings| settings.soft_wrap)
 653    }
 654
 655    pub fn preferred_line_length(&self, language: Option<&str>) -> u32 {
 656        self.language_setting(language, |settings| settings.preferred_line_length)
 657    }
 658
 659    pub fn remove_trailing_whitespace_on_save(&self, language: Option<&str>) -> bool {
 660        self.language_setting(language, |settings| {
 661            settings.remove_trailing_whitespace_on_save.clone()
 662        })
 663    }
 664
 665    pub fn ensure_final_newline_on_save(&self, language: Option<&str>) -> bool {
 666        self.language_setting(language, |settings| {
 667            settings.ensure_final_newline_on_save.clone()
 668        })
 669    }
 670
 671    pub fn format_on_save(&self, language: Option<&str>) -> FormatOnSave {
 672        self.language_setting(language, |settings| settings.format_on_save.clone())
 673    }
 674
 675    pub fn formatter(&self, language: Option<&str>) -> Formatter {
 676        self.language_setting(language, |settings| settings.formatter.clone())
 677    }
 678
 679    pub fn enable_language_server(&self, language: Option<&str>) -> bool {
 680        self.language_setting(language, |settings| settings.enable_language_server)
 681    }
 682
 683    fn language_setting<F, R>(&self, language: Option<&str>, f: F) -> R
 684    where
 685        F: Fn(&EditorSettings) -> Option<R>,
 686    {
 687        None.or_else(|| language.and_then(|l| self.language_overrides.get(l).and_then(&f)))
 688            .or_else(|| f(&self.editor_overrides))
 689            .or_else(|| language.and_then(|l| self.language_defaults.get(l).and_then(&f)))
 690            .or_else(|| f(&self.editor_defaults))
 691            .expect("missing default")
 692    }
 693
 694    pub fn git_gutter(&self) -> GitGutter {
 695        self.git_overrides.git_gutter.unwrap_or_else(|| {
 696            self.git
 697                .git_gutter
 698                .expect("git_gutter should be some by setting setup")
 699        })
 700    }
 701
 702    pub fn telemetry(&self) -> TelemetrySettings {
 703        TelemetrySettings {
 704            diagnostics: Some(self.telemetry_diagnostics()),
 705            metrics: Some(self.telemetry_metrics()),
 706        }
 707    }
 708
 709    pub fn telemetry_diagnostics(&self) -> bool {
 710        self.telemetry_overrides
 711            .diagnostics
 712            .or(self.telemetry_defaults.diagnostics)
 713            .expect("missing default")
 714    }
 715
 716    pub fn telemetry_metrics(&self) -> bool {
 717        self.telemetry_overrides
 718            .metrics
 719            .or(self.telemetry_defaults.metrics)
 720            .expect("missing default")
 721    }
 722
 723    fn terminal_setting<F, R>(&self, f: F) -> R
 724    where
 725        F: Fn(&TerminalSettings) -> Option<R>,
 726    {
 727        None.or_else(|| f(&self.terminal_overrides))
 728            .or_else(|| f(&self.terminal_defaults))
 729            .expect("missing default")
 730    }
 731
 732    pub fn terminal_line_height(&self) -> f32 {
 733        self.terminal_setting(|terminal_setting| terminal_setting.line_height())
 734    }
 735
 736    pub fn terminal_scroll(&self) -> AlternateScroll {
 737        self.terminal_setting(|terminal_setting| terminal_setting.alternate_scroll.to_owned())
 738    }
 739
 740    pub fn terminal_shell(&self) -> Shell {
 741        self.terminal_setting(|terminal_setting| terminal_setting.shell.to_owned())
 742    }
 743
 744    pub fn terminal_env(&self) -> HashMap<String, String> {
 745        self.terminal_setting(|terminal_setting| terminal_setting.env.to_owned())
 746    }
 747
 748    pub fn terminal_strategy(&self) -> WorkingDirectory {
 749        self.terminal_setting(|terminal_setting| terminal_setting.working_directory.to_owned())
 750    }
 751
 752    #[cfg(any(test, feature = "test-support"))]
 753    pub fn test(cx: &gpui::AppContext) -> Settings {
 754        Settings {
 755            buffer_font_family_name: "Monaco".to_string(),
 756            buffer_font_features: Default::default(),
 757            buffer_font_family: cx
 758                .font_cache()
 759                .load_family(&["Monaco"], &Default::default())
 760                .unwrap(),
 761            buffer_font_size: 14.,
 762            active_pane_magnification: 1.,
 763            default_buffer_font_size: 14.,
 764            confirm_quit: false,
 765            cursor_blink: true,
 766            hover_popover_enabled: true,
 767            show_completions_on_input: true,
 768            show_call_status_icon: true,
 769            vim_mode: false,
 770            autosave: Autosave::Off,
 771            default_dock_anchor: DockAnchor::Bottom,
 772            editor_defaults: EditorSettings {
 773                tab_size: Some(4.try_into().unwrap()),
 774                hard_tabs: Some(false),
 775                soft_wrap: Some(SoftWrap::None),
 776                preferred_line_length: Some(80),
 777                remove_trailing_whitespace_on_save: Some(true),
 778                ensure_final_newline_on_save: Some(true),
 779                format_on_save: Some(FormatOnSave::On),
 780                formatter: Some(Formatter::LanguageServer),
 781                enable_language_server: Some(true),
 782                show_copilot_suggestions: Some(true),
 783            },
 784            editor_overrides: Default::default(),
 785            journal_defaults: Default::default(),
 786            journal_overrides: Default::default(),
 787            terminal_defaults: Default::default(),
 788            terminal_overrides: Default::default(),
 789            git: Default::default(),
 790            git_overrides: Default::default(),
 791            language_defaults: Default::default(),
 792            language_overrides: Default::default(),
 793            lsp: Default::default(),
 794            theme: gpui::fonts::with_font_cache(cx.font_cache().clone(), Default::default),
 795            telemetry_defaults: TelemetrySettings {
 796                diagnostics: Some(true),
 797                metrics: Some(true),
 798            },
 799            telemetry_overrides: Default::default(),
 800            auto_update: true,
 801            base_keymap: Default::default(),
 802            features: Features { copilot: true },
 803        }
 804    }
 805
 806    #[cfg(any(test, feature = "test-support"))]
 807    pub fn test_async(cx: &mut gpui::TestAppContext) {
 808        cx.update(|cx| {
 809            let settings = Self::test(cx);
 810            cx.set_global(settings);
 811        });
 812    }
 813}
 814
 815pub fn settings_file_json_schema(
 816    theme_names: Vec<String>,
 817    language_names: &[String],
 818) -> serde_json::Value {
 819    let settings = SchemaSettings::draft07().with(|settings| {
 820        settings.option_add_null_type = false;
 821    });
 822    let generator = SchemaGenerator::new(settings);
 823
 824    let mut root_schema = generator.into_root_schema_for::<SettingsFileContent>();
 825
 826    // Create a schema for a theme name.
 827    let theme_name_schema = SchemaObject {
 828        instance_type: Some(SingleOrVec::Single(Box::new(InstanceType::String))),
 829        enum_values: Some(theme_names.into_iter().map(Value::String).collect()),
 830        ..Default::default()
 831    };
 832
 833    // Create a schema for a 'languages overrides' object, associating editor
 834    // settings with specific langauges.
 835    assert!(root_schema.definitions.contains_key("EditorSettings"));
 836
 837    let languages_object_schema = SchemaObject {
 838        instance_type: Some(SingleOrVec::Single(Box::new(InstanceType::Object))),
 839        object: Some(Box::new(ObjectValidation {
 840            properties: language_names
 841                .iter()
 842                .map(|name| {
 843                    (
 844                        name.clone(),
 845                        Schema::new_ref("#/definitions/EditorSettings".into()),
 846                    )
 847                })
 848                .collect(),
 849            ..Default::default()
 850        })),
 851        ..Default::default()
 852    };
 853
 854    // Add these new schemas as definitions, and modify properties of the root
 855    // schema to reference them.
 856    root_schema.definitions.extend([
 857        ("ThemeName".into(), theme_name_schema.into()),
 858        ("Languages".into(), languages_object_schema.into()),
 859    ]);
 860    let root_schema_object = &mut root_schema.schema.object.as_mut().unwrap();
 861
 862    root_schema_object.properties.extend([
 863        (
 864            "theme".to_owned(),
 865            Schema::new_ref("#/definitions/ThemeName".into()),
 866        ),
 867        (
 868            "languages".to_owned(),
 869            Schema::new_ref("#/definitions/Languages".into()),
 870        ),
 871        // For backward compatibility
 872        (
 873            "language_overrides".to_owned(),
 874            Schema::new_ref("#/definitions/Languages".into()),
 875        ),
 876    ]);
 877
 878    serde_json::to_value(root_schema).unwrap()
 879}
 880
 881fn merge<T: Copy>(target: &mut T, value: Option<T>) {
 882    if let Some(value) = value {
 883        *target = value;
 884    }
 885}
 886
 887pub fn parse_json_with_comments<T: DeserializeOwned>(content: &str) -> Result<T> {
 888    Ok(serde_json::from_reader(
 889        json_comments::CommentSettings::c_style().strip_comments(content.as_bytes()),
 890    )?)
 891}
 892
 893fn write_settings_key(settings_content: &mut String, key_path: &[&str], new_value: &Value) {
 894    const LANGUAGE_OVERRIDES: &'static str = "language_overrides";
 895    const LANGAUGES: &'static str = "languages";
 896
 897    let mut parser = tree_sitter::Parser::new();
 898    parser.set_language(tree_sitter_json::language()).unwrap();
 899    let tree = parser.parse(&settings_content, None).unwrap();
 900
 901    let mut cursor = tree_sitter::QueryCursor::new();
 902
 903    let query = Query::new(
 904        tree_sitter_json::language(),
 905        "
 906            (pair
 907                key: (string) @key
 908                value: (_) @value)
 909        ",
 910    )
 911    .unwrap();
 912
 913    let has_language_overrides = settings_content.contains(LANGUAGE_OVERRIDES);
 914
 915    let mut depth = 0;
 916    let mut last_value_range = 0..0;
 917    let mut first_key_start = None;
 918    let mut existing_value_range = 0..settings_content.len();
 919    let matches = cursor.matches(&query, tree.root_node(), settings_content.as_bytes());
 920    for mat in matches {
 921        if mat.captures.len() != 2 {
 922            continue;
 923        }
 924
 925        let key_range = mat.captures[0].node.byte_range();
 926        let value_range = mat.captures[1].node.byte_range();
 927
 928        // Don't enter sub objects until we find an exact
 929        // match for the current keypath
 930        if last_value_range.contains_inclusive(&value_range) {
 931            continue;
 932        }
 933
 934        last_value_range = value_range.clone();
 935
 936        if key_range.start > existing_value_range.end {
 937            break;
 938        }
 939
 940        first_key_start.get_or_insert_with(|| key_range.start);
 941
 942        let found_key = settings_content
 943            .get(key_range.clone())
 944            .map(|key_text| {
 945                if key_path[depth] == LANGAUGES && has_language_overrides {
 946                    return key_text == format!("\"{}\"", LANGUAGE_OVERRIDES);
 947                } else {
 948                    return key_text == format!("\"{}\"", key_path[depth]);
 949                }
 950            })
 951            .unwrap_or(false);
 952
 953        if found_key {
 954            existing_value_range = value_range;
 955            // Reset last value range when increasing in depth
 956            last_value_range = existing_value_range.start..existing_value_range.start;
 957            depth += 1;
 958
 959            if depth == key_path.len() {
 960                break;
 961            } else {
 962                first_key_start = None;
 963            }
 964        }
 965    }
 966
 967    // We found the exact key we want, insert the new value
 968    if depth == key_path.len() {
 969        let new_val = serde_json::to_string_pretty(new_value)
 970            .expect("Could not serialize new json field to string");
 971        settings_content.replace_range(existing_value_range, &new_val);
 972    } else {
 973        // We have key paths, construct the sub objects
 974        let new_key = if has_language_overrides && key_path[depth] == LANGAUGES {
 975            LANGUAGE_OVERRIDES
 976        } else {
 977            key_path[depth]
 978        };
 979
 980        // We don't have the key, construct the nested objects
 981        let mut new_value = serde_json::to_value(new_value).unwrap();
 982        for key in key_path[(depth + 1)..].iter().rev() {
 983            if has_language_overrides && key == &LANGAUGES {
 984                new_value = serde_json::json!({ LANGUAGE_OVERRIDES.to_string(): new_value });
 985            } else {
 986                new_value = serde_json::json!({ key.to_string(): new_value });
 987            }
 988        }
 989
 990        if let Some(first_key_start) = first_key_start {
 991            let mut row = 0;
 992            let mut column = 0;
 993            for (ix, char) in settings_content.char_indices() {
 994                if ix == first_key_start {
 995                    break;
 996                }
 997                if char == '\n' {
 998                    row += 1;
 999                    column = 0;
1000                } else {
1001                    column += char.len_utf8();
1002                }
1003            }
1004
1005            if row > 0 {
1006                // depth is 0 based, but division needs to be 1 based.
1007                let new_val = to_pretty_json(&new_value, column / (depth + 1), column);
1008                let content = format!(r#""{new_key}": {new_val},"#);
1009                settings_content.insert_str(first_key_start, &content);
1010
1011                settings_content.insert_str(
1012                    first_key_start + content.len(),
1013                    &format!("\n{:width$}", ' ', width = column),
1014                )
1015            } else {
1016                let new_val = serde_json::to_string(&new_value).unwrap();
1017                let mut content = format!(r#""{new_key}": {new_val},"#);
1018                content.push(' ');
1019                settings_content.insert_str(first_key_start, &content);
1020            }
1021        } else {
1022            new_value = serde_json::json!({ new_key.to_string(): new_value });
1023            let indent_prefix_len = 4 * depth;
1024            let new_val = to_pretty_json(&new_value, 4, indent_prefix_len);
1025
1026            settings_content.replace_range(existing_value_range, &new_val);
1027            if depth == 0 {
1028                settings_content.push('\n');
1029            }
1030        }
1031    }
1032}
1033
1034fn to_pretty_json(
1035    value: &serde_json::Value,
1036    indent_size: usize,
1037    indent_prefix_len: usize,
1038) -> String {
1039    const SPACES: [u8; 32] = [b' '; 32];
1040
1041    debug_assert!(indent_size <= SPACES.len());
1042    debug_assert!(indent_prefix_len <= SPACES.len());
1043
1044    let mut output = Vec::new();
1045    let mut ser = serde_json::Serializer::with_formatter(
1046        &mut output,
1047        serde_json::ser::PrettyFormatter::with_indent(&SPACES[0..indent_size.min(SPACES.len())]),
1048    );
1049
1050    value.serialize(&mut ser).unwrap();
1051    let text = String::from_utf8(output).unwrap();
1052
1053    let mut adjusted_text = String::new();
1054    for (i, line) in text.split('\n').enumerate() {
1055        if i > 0 {
1056            adjusted_text.push_str(str::from_utf8(&SPACES[0..indent_prefix_len]).unwrap());
1057        }
1058        adjusted_text.push_str(line);
1059        adjusted_text.push('\n');
1060    }
1061    adjusted_text.pop();
1062    adjusted_text
1063}
1064
1065pub fn update_settings_file(
1066    mut text: String,
1067    mut old_file_content: SettingsFileContent,
1068    update: impl FnOnce(&mut SettingsFileContent),
1069) -> String {
1070    let mut new_file_content = old_file_content.clone();
1071
1072    update(&mut new_file_content);
1073
1074    if new_file_content.languages.len() != old_file_content.languages.len() {
1075        for language in new_file_content.languages.keys() {
1076            old_file_content
1077                .languages
1078                .entry(language.clone())
1079                .or_default();
1080        }
1081        for language in old_file_content.languages.keys() {
1082            new_file_content
1083                .languages
1084                .entry(language.clone())
1085                .or_default();
1086        }
1087    }
1088
1089    let old_object = to_json_object(old_file_content);
1090    let new_object = to_json_object(new_file_content);
1091
1092    fn apply_changes_to_json_text(
1093        old_object: &serde_json::Map<String, Value>,
1094        new_object: &serde_json::Map<String, Value>,
1095        current_key_path: Vec<&str>,
1096        json_text: &mut String,
1097    ) {
1098        for (key, old_value) in old_object.iter() {
1099            // We know that these two are from the same shape of object, so we can just unwrap
1100            let new_value = new_object.get(key).unwrap();
1101
1102            if old_value != new_value {
1103                match new_value {
1104                    Value::Bool(_) | Value::Number(_) | Value::String(_) => {
1105                        let mut key_path = current_key_path.clone();
1106                        key_path.push(key);
1107                        write_settings_key(json_text, &key_path, &new_value);
1108                    }
1109                    Value::Object(new_sub_object) => {
1110                        let mut key_path = current_key_path.clone();
1111                        key_path.push(key);
1112                        if let Value::Object(old_sub_object) = old_value {
1113                            apply_changes_to_json_text(
1114                                old_sub_object,
1115                                new_sub_object,
1116                                key_path,
1117                                json_text,
1118                            );
1119                        } else {
1120                            unimplemented!("This function doesn't support changing values from simple values to objects yet");
1121                        }
1122                    }
1123                    Value::Null | Value::Array(_) => {
1124                        unimplemented!("We only support objects and simple values");
1125                    }
1126                }
1127            }
1128        }
1129    }
1130
1131    apply_changes_to_json_text(&old_object, &new_object, vec![], &mut text);
1132
1133    text
1134}
1135
1136fn to_json_object(settings_file: SettingsFileContent) -> serde_json::Map<String, Value> {
1137    let tmp = serde_json::to_value(settings_file).unwrap();
1138    match tmp {
1139        Value::Object(map) => map,
1140        _ => unreachable!("SettingsFileContent represents a JSON map"),
1141    }
1142}
1143
1144#[cfg(test)]
1145mod tests {
1146    use super::*;
1147    use unindent::Unindent;
1148
1149    fn assert_new_settings<S1: Into<String>, S2: Into<String>>(
1150        old_json: S1,
1151        update: fn(&mut SettingsFileContent),
1152        expected_new_json: S2,
1153    ) {
1154        let old_json = old_json.into();
1155        let old_content: SettingsFileContent = serde_json::from_str(&old_json).unwrap_or_default();
1156        let new_json = update_settings_file(old_json, old_content, update);
1157        pretty_assertions::assert_eq!(new_json, expected_new_json.into());
1158    }
1159
1160    #[test]
1161    fn test_update_language_overrides_copilot() {
1162        assert_new_settings(
1163            r#"
1164                {
1165                    "language_overrides": {
1166                        "JSON": {
1167                            "show_copilot_suggestions": false
1168                        }
1169                    }
1170                }
1171            "#
1172            .unindent(),
1173            |settings| {
1174                settings.languages.insert(
1175                    "Rust".into(),
1176                    EditorSettings {
1177                        show_copilot_suggestions: Some(true),
1178                        ..Default::default()
1179                    },
1180                );
1181            },
1182            r#"
1183                {
1184                    "language_overrides": {
1185                        "Rust": {
1186                            "show_copilot_suggestions": true
1187                        },
1188                        "JSON": {
1189                            "show_copilot_suggestions": false
1190                        }
1191                    }
1192                }
1193            "#
1194            .unindent(),
1195        );
1196    }
1197
1198    #[test]
1199    fn test_update_copilot() {
1200        assert_new_settings(
1201            r#"
1202                {
1203                    "languages": {
1204                        "JSON": {
1205                            "show_copilot_suggestions": false
1206                        }
1207                    }
1208                }
1209            "#
1210            .unindent(),
1211            |settings| {
1212                settings.editor.show_copilot_suggestions = Some(true);
1213            },
1214            r#"
1215                {
1216                    "show_copilot_suggestions": true,
1217                    "languages": {
1218                        "JSON": {
1219                            "show_copilot_suggestions": false
1220                        }
1221                    }
1222                }
1223            "#
1224            .unindent(),
1225        );
1226    }
1227
1228    #[test]
1229    fn test_update_language_copilot() {
1230        assert_new_settings(
1231            r#"
1232                {
1233                    "languages": {
1234                        "JSON": {
1235                            "show_copilot_suggestions": false
1236                        }
1237                    }
1238                }
1239            "#
1240            .unindent(),
1241            |settings| {
1242                settings.languages.insert(
1243                    "Rust".into(),
1244                    EditorSettings {
1245                        show_copilot_suggestions: Some(true),
1246                        ..Default::default()
1247                    },
1248                );
1249            },
1250            r#"
1251                {
1252                    "languages": {
1253                        "Rust": {
1254                            "show_copilot_suggestions": true
1255                        },
1256                        "JSON": {
1257                            "show_copilot_suggestions": false
1258                        }
1259                    }
1260                }
1261            "#
1262            .unindent(),
1263        );
1264    }
1265
1266    #[test]
1267    fn test_update_telemetry_setting_multiple_fields() {
1268        assert_new_settings(
1269            r#"
1270                {
1271                    "telemetry": {
1272                        "metrics": false,
1273                        "diagnostics": false
1274                    }
1275                }
1276            "#
1277            .unindent(),
1278            |settings| {
1279                settings.telemetry.set_diagnostics(true);
1280                settings.telemetry.set_metrics(true);
1281            },
1282            r#"
1283                {
1284                    "telemetry": {
1285                        "metrics": true,
1286                        "diagnostics": true
1287                    }
1288                }
1289            "#
1290            .unindent(),
1291        );
1292    }
1293
1294    #[test]
1295    fn test_update_telemetry_setting_weird_formatting() {
1296        assert_new_settings(
1297            r#"{
1298                "telemetry":   { "metrics": false, "diagnostics": true }
1299            }"#
1300            .unindent(),
1301            |settings| settings.telemetry.set_diagnostics(false),
1302            r#"{
1303                "telemetry":   { "metrics": false, "diagnostics": false }
1304            }"#
1305            .unindent(),
1306        );
1307    }
1308
1309    #[test]
1310    fn test_update_telemetry_setting_other_fields() {
1311        assert_new_settings(
1312            r#"
1313                {
1314                    "telemetry": {
1315                        "metrics": false,
1316                        "diagnostics": true
1317                    }
1318                }
1319            "#
1320            .unindent(),
1321            |settings| settings.telemetry.set_diagnostics(false),
1322            r#"
1323                {
1324                    "telemetry": {
1325                        "metrics": false,
1326                        "diagnostics": false
1327                    }
1328                }
1329            "#
1330            .unindent(),
1331        );
1332    }
1333
1334    #[test]
1335    fn test_update_telemetry_setting_empty_telemetry() {
1336        assert_new_settings(
1337            r#"
1338                {
1339                    "telemetry": {}
1340                }
1341            "#
1342            .unindent(),
1343            |settings| settings.telemetry.set_diagnostics(false),
1344            r#"
1345                {
1346                    "telemetry": {
1347                        "diagnostics": false
1348                    }
1349                }
1350            "#
1351            .unindent(),
1352        );
1353    }
1354
1355    #[test]
1356    fn test_update_telemetry_setting_pre_existing() {
1357        assert_new_settings(
1358            r#"
1359                {
1360                    "telemetry": {
1361                        "diagnostics": true
1362                    }
1363                }
1364            "#
1365            .unindent(),
1366            |settings| settings.telemetry.set_diagnostics(false),
1367            r#"
1368                {
1369                    "telemetry": {
1370                        "diagnostics": false
1371                    }
1372                }
1373            "#
1374            .unindent(),
1375        );
1376    }
1377
1378    #[test]
1379    fn test_update_telemetry_setting() {
1380        assert_new_settings(
1381            "{}",
1382            |settings| settings.telemetry.set_diagnostics(true),
1383            r#"
1384                {
1385                    "telemetry": {
1386                        "diagnostics": true
1387                    }
1388                }
1389            "#
1390            .unindent(),
1391        );
1392    }
1393
1394    #[test]
1395    fn test_update_object_empty_doc() {
1396        assert_new_settings(
1397            "",
1398            |settings| settings.telemetry.set_diagnostics(true),
1399            r#"
1400                {
1401                    "telemetry": {
1402                        "diagnostics": true
1403                    }
1404                }
1405            "#
1406            .unindent(),
1407        );
1408    }
1409
1410    #[test]
1411    fn test_write_theme_into_settings_with_theme() {
1412        assert_new_settings(
1413            r#"
1414                {
1415                    "theme": "One Dark"
1416                }
1417            "#
1418            .unindent(),
1419            |settings| settings.theme = Some("summerfruit-light".to_string()),
1420            r#"
1421                {
1422                    "theme": "summerfruit-light"
1423                }
1424            "#
1425            .unindent(),
1426        );
1427    }
1428
1429    #[test]
1430    fn test_write_theme_into_empty_settings() {
1431        assert_new_settings(
1432            r#"
1433                {
1434                }
1435            "#
1436            .unindent(),
1437            |settings| settings.theme = Some("summerfruit-light".to_string()),
1438            r#"
1439                {
1440                    "theme": "summerfruit-light"
1441                }
1442            "#
1443            .unindent(),
1444        );
1445    }
1446
1447    #[test]
1448    fn write_key_no_document() {
1449        assert_new_settings(
1450            "",
1451            |settings| settings.theme = Some("summerfruit-light".to_string()),
1452            r#"
1453                {
1454                    "theme": "summerfruit-light"
1455                }
1456            "#
1457            .unindent(),
1458        );
1459    }
1460
1461    #[test]
1462    fn test_write_theme_into_single_line_settings_without_theme() {
1463        assert_new_settings(
1464            r#"{ "a": "", "ok": true }"#,
1465            |settings| settings.theme = Some("summerfruit-light".to_string()),
1466            r#"{ "theme": "summerfruit-light", "a": "", "ok": true }"#,
1467        );
1468    }
1469
1470    #[test]
1471    fn test_write_theme_pre_object_whitespace() {
1472        assert_new_settings(
1473            r#"          { "a": "", "ok": true }"#,
1474            |settings| settings.theme = Some("summerfruit-light".to_string()),
1475            r#"          { "theme": "summerfruit-light", "a": "", "ok": true }"#.unindent(),
1476        );
1477    }
1478
1479    #[test]
1480    fn test_write_theme_into_multi_line_settings_without_theme() {
1481        assert_new_settings(
1482            r#"
1483                {
1484                    "a": "b"
1485                }
1486            "#
1487            .unindent(),
1488            |settings| settings.theme = Some("summerfruit-light".to_string()),
1489            r#"
1490                {
1491                    "theme": "summerfruit-light",
1492                    "a": "b"
1493                }
1494            "#
1495            .unindent(),
1496        );
1497    }
1498}