migrator.rs

  1use anyhow::{Context, Result};
  2use collections::HashMap;
  3use convert_case::{Case, Casing};
  4use std::{cmp::Reverse, ops::Range, sync::LazyLock};
  5use streaming_iterator::StreamingIterator;
  6use tree_sitter::{Query, QueryMatch};
  7
  8fn migrate(text: &str, patterns: MigrationPatterns, query: &Query) -> Result<Option<String>> {
  9    let mut parser = tree_sitter::Parser::new();
 10    parser.set_language(&tree_sitter_json::LANGUAGE.into())?;
 11    let syntax_tree = parser
 12        .parse(&text, None)
 13        .context("failed to parse settings")?;
 14
 15    let mut cursor = tree_sitter::QueryCursor::new();
 16    let mut matches = cursor.matches(query, syntax_tree.root_node(), text.as_bytes());
 17
 18    let mut edits = vec![];
 19    while let Some(mat) = matches.next() {
 20        if let Some((_, callback)) = patterns.get(mat.pattern_index) {
 21            edits.extend(callback(&text, &mat, query));
 22        }
 23    }
 24
 25    edits.sort_by_key(|(range, _)| (range.start, Reverse(range.end)));
 26    edits.dedup_by(|(range_b, _), (range_a, _)| {
 27        range_a.contains(&range_b.start) || range_a.contains(&range_b.end)
 28    });
 29
 30    if edits.is_empty() {
 31        Ok(None)
 32    } else {
 33        let mut new_text = text.to_string();
 34        for (range, replacement) in edits.iter().rev() {
 35            new_text.replace_range(range.clone(), replacement);
 36        }
 37        if new_text == text {
 38            log::error!(
 39                "Edits computed for configuration migration do not cause a change: {:?}",
 40                edits
 41            );
 42            Ok(None)
 43        } else {
 44            Ok(Some(new_text))
 45        }
 46    }
 47}
 48
 49pub fn migrate_keymap(text: &str) -> Result<Option<String>> {
 50    let transformed_text = migrate(
 51        text,
 52        KEYMAP_MIGRATION_TRANSFORMATION_PATTERNS,
 53        &KEYMAP_MIGRATION_TRANSFORMATION_QUERY,
 54    )?;
 55    let replacement_text = migrate(
 56        &transformed_text.as_ref().unwrap_or(&text.to_string()),
 57        KEYMAP_MIGRATION_REPLACEMENT_PATTERNS,
 58        &KEYMAP_MIGRATION_REPLACEMENT_QUERY,
 59    )?;
 60    Ok(replacement_text.or(transformed_text))
 61}
 62
 63pub fn migrate_settings(text: &str) -> Result<Option<String>> {
 64    migrate(
 65        &text,
 66        SETTINGS_MIGRATION_PATTERNS,
 67        &SETTINGS_MIGRATION_QUERY,
 68    )
 69}
 70
 71pub fn migrate_edit_prediction_provider_settings(text: &str) -> Result<Option<String>> {
 72    migrate(
 73        &text,
 74        &[(
 75            SETTINGS_REPLACE_NESTED_KEY,
 76            replace_edit_prediction_provider_setting,
 77        )],
 78        &EDIT_PREDICTION_SETTINGS_MIGRATION_QUERY,
 79    )
 80}
 81
 82type MigrationPatterns = &'static [(
 83    &'static str,
 84    fn(&str, &QueryMatch, &Query) -> Option<(Range<usize>, String)>,
 85)];
 86
 87const KEYMAP_MIGRATION_TRANSFORMATION_PATTERNS: MigrationPatterns = &[
 88    (ACTION_ARRAY_PATTERN, replace_array_with_single_string),
 89    (
 90        ACTION_ARGUMENT_OBJECT_PATTERN,
 91        replace_action_argument_object_with_single_value,
 92    ),
 93    (ACTION_STRING_PATTERN, rename_string_action),
 94    (CONTEXT_PREDICATE_PATTERN, rename_context_key),
 95];
 96
 97static KEYMAP_MIGRATION_TRANSFORMATION_QUERY: LazyLock<Query> = LazyLock::new(|| {
 98    Query::new(
 99        &tree_sitter_json::LANGUAGE.into(),
100        &KEYMAP_MIGRATION_TRANSFORMATION_PATTERNS
101            .iter()
102            .map(|pattern| pattern.0)
103            .collect::<String>(),
104    )
105    .unwrap()
106});
107
108const ACTION_ARRAY_PATTERN: &str = r#"(document
109    (array
110   	    (object
111            (pair
112                key: (string (string_content) @name)
113                value: (
114                    (object
115                        (pair
116                            key: (string)
117                            value: ((array
118                                . (string (string_content) @action_name)
119                                . (string (string_content) @argument)
120                                .)) @array
121                        )
122                    )
123                )
124            )
125        )
126    )
127    (#eq? @name "bindings")
128)"#;
129
130fn replace_array_with_single_string(
131    contents: &str,
132    mat: &QueryMatch,
133    query: &Query,
134) -> Option<(Range<usize>, String)> {
135    let array_ix = query.capture_index_for_name("array")?;
136    let action_name_ix = query.capture_index_for_name("action_name")?;
137    let argument_ix = query.capture_index_for_name("argument")?;
138
139    let action_name = contents.get(
140        mat.nodes_for_capture_index(action_name_ix)
141            .next()?
142            .byte_range(),
143    )?;
144    let argument = contents.get(
145        mat.nodes_for_capture_index(argument_ix)
146            .next()?
147            .byte_range(),
148    )?;
149
150    let replacement = TRANSFORM_ARRAY.get(&(action_name, argument))?;
151    let replacement_as_string = format!("\"{replacement}\"");
152    let range_to_replace = mat.nodes_for_capture_index(array_ix).next()?.byte_range();
153
154    Some((range_to_replace, replacement_as_string))
155}
156
157static TRANSFORM_ARRAY: LazyLock<HashMap<(&str, &str), &str>> = LazyLock::new(|| {
158    HashMap::from_iter([
159        // activate
160        (
161            ("workspace::ActivatePaneInDirection", "Up"),
162            "workspace::ActivatePaneUp",
163        ),
164        (
165            ("workspace::ActivatePaneInDirection", "Down"),
166            "workspace::ActivatePaneDown",
167        ),
168        (
169            ("workspace::ActivatePaneInDirection", "Left"),
170            "workspace::ActivatePaneLeft",
171        ),
172        (
173            ("workspace::ActivatePaneInDirection", "Right"),
174            "workspace::ActivatePaneRight",
175        ),
176        // swap
177        (
178            ("workspace::SwapPaneInDirection", "Up"),
179            "workspace::SwapPaneUp",
180        ),
181        (
182            ("workspace::SwapPaneInDirection", "Down"),
183            "workspace::SwapPaneDown",
184        ),
185        (
186            ("workspace::SwapPaneInDirection", "Left"),
187            "workspace::SwapPaneLeft",
188        ),
189        (
190            ("workspace::SwapPaneInDirection", "Right"),
191            "workspace::SwapPaneRight",
192        ),
193        // menu
194        (
195            ("app_menu::NavigateApplicationMenuInDirection", "Left"),
196            "app_menu::ActivateMenuLeft",
197        ),
198        (
199            ("app_menu::NavigateApplicationMenuInDirection", "Right"),
200            "app_menu::ActivateMenuRight",
201        ),
202        // vim push
203        (("vim::PushOperator", "Change"), "vim::PushChange"),
204        (("vim::PushOperator", "Delete"), "vim::PushDelete"),
205        (("vim::PushOperator", "Yank"), "vim::PushYank"),
206        (("vim::PushOperator", "Replace"), "vim::PushReplace"),
207        (
208            ("vim::PushOperator", "DeleteSurrounds"),
209            "vim::PushDeleteSurrounds",
210        ),
211        (("vim::PushOperator", "Mark"), "vim::PushMark"),
212        (("vim::PushOperator", "Indent"), "vim::PushIndent"),
213        (("vim::PushOperator", "Outdent"), "vim::PushOutdent"),
214        (("vim::PushOperator", "AutoIndent"), "vim::PushAutoIndent"),
215        (("vim::PushOperator", "Rewrap"), "vim::PushRewrap"),
216        (
217            ("vim::PushOperator", "ShellCommand"),
218            "vim::PushShellCommand",
219        ),
220        (("vim::PushOperator", "Lowercase"), "vim::PushLowercase"),
221        (("vim::PushOperator", "Uppercase"), "vim::PushUppercase"),
222        (
223            ("vim::PushOperator", "OppositeCase"),
224            "vim::PushOppositeCase",
225        ),
226        (("vim::PushOperator", "Register"), "vim::PushRegister"),
227        (
228            ("vim::PushOperator", "RecordRegister"),
229            "vim::PushRecordRegister",
230        ),
231        (
232            ("vim::PushOperator", "ReplayRegister"),
233            "vim::PushReplayRegister",
234        ),
235        (
236            ("vim::PushOperator", "ReplaceWithRegister"),
237            "vim::PushReplaceWithRegister",
238        ),
239        (
240            ("vim::PushOperator", "ToggleComments"),
241            "vim::PushToggleComments",
242        ),
243        // vim switch
244        (("vim::SwitchMode", "Normal"), "vim::SwitchToNormalMode"),
245        (("vim::SwitchMode", "Insert"), "vim::SwitchToInsertMode"),
246        (("vim::SwitchMode", "Replace"), "vim::SwitchToReplaceMode"),
247        (("vim::SwitchMode", "Visual"), "vim::SwitchToVisualMode"),
248        (
249            ("vim::SwitchMode", "VisualLine"),
250            "vim::SwitchToVisualLineMode",
251        ),
252        (
253            ("vim::SwitchMode", "VisualBlock"),
254            "vim::SwitchToVisualBlockMode",
255        ),
256        (
257            ("vim::SwitchMode", "HelixNormal"),
258            "vim::SwitchToHelixNormalMode",
259        ),
260        // vim resize
261        (("vim::ResizePane", "Widen"), "vim::ResizePaneRight"),
262        (("vim::ResizePane", "Narrow"), "vim::ResizePaneLeft"),
263        (("vim::ResizePane", "Shorten"), "vim::ResizePaneDown"),
264        (("vim::ResizePane", "Lengthen"), "vim::ResizePaneUp"),
265    ])
266});
267
268const ACTION_ARGUMENT_OBJECT_PATTERN: &str = r#"(document
269    (array
270        (object
271            (pair
272                key: (string (string_content) @name)
273                value: (
274                    (object
275                        (pair
276                            key: (string)
277                            value: ((array
278                                . (string (string_content) @action_name)
279                                . (object
280                                    (pair
281                                    key: (string (string_content) @action_key)
282                                    value: (_)  @argument))
283                                . ) @array
284                            ))
285                        )
286                    )
287                )
288            )
289        )
290        (#eq? @name "bindings")
291)"#;
292
293/// [ "editor::FoldAtLevel", { "level": 1 } ] -> [ "editor::FoldAtLevel", 1 ]
294fn replace_action_argument_object_with_single_value(
295    contents: &str,
296    mat: &QueryMatch,
297    query: &Query,
298) -> Option<(Range<usize>, String)> {
299    let array_ix = query.capture_index_for_name("array")?;
300    let action_name_ix = query.capture_index_for_name("action_name")?;
301    let action_key_ix = query.capture_index_for_name("action_key")?;
302    let argument_ix = query.capture_index_for_name("argument")?;
303
304    let action_name = contents.get(
305        mat.nodes_for_capture_index(action_name_ix)
306            .next()?
307            .byte_range(),
308    )?;
309    let action_key = contents.get(
310        mat.nodes_for_capture_index(action_key_ix)
311            .next()?
312            .byte_range(),
313    )?;
314    let argument = contents.get(
315        mat.nodes_for_capture_index(argument_ix)
316            .next()?
317            .byte_range(),
318    )?;
319
320    let new_action_name = UNWRAP_OBJECTS.get(&action_name)?.get(&action_key)?;
321
322    let range_to_replace = mat.nodes_for_capture_index(array_ix).next()?.byte_range();
323    let replacement = format!("[\"{}\", {}]", new_action_name, argument);
324    Some((range_to_replace, replacement))
325}
326
327/// "ctrl-k ctrl-1": [ "editor::PushOperator", { "Object": {} } ] -> [ "editor::vim::PushObject", {} ]
328static UNWRAP_OBJECTS: LazyLock<HashMap<&str, HashMap<&str, &str>>> = LazyLock::new(|| {
329    HashMap::from_iter([
330        (
331            "editor::FoldAtLevel",
332            HashMap::from_iter([("level", "editor::FoldAtLevel")]),
333        ),
334        (
335            "vim::PushOperator",
336            HashMap::from_iter([
337                ("Object", "vim::PushObject"),
338                ("FindForward", "vim::PushFindForward"),
339                ("FindBackward", "vim::PushFindBackward"),
340                ("Sneak", "vim::PushSneak"),
341                ("SneakBackward", "vim::PushSneakBackward"),
342                ("AddSurrounds", "vim::PushAddSurrounds"),
343                ("ChangeSurrounds", "vim::PushChangeSurrounds"),
344                ("Jump", "vim::PushJump"),
345                ("Digraph", "vim::PushDigraph"),
346                ("Literal", "vim::PushLiteral"),
347            ]),
348        ),
349    ])
350});
351
352const KEYMAP_MIGRATION_REPLACEMENT_PATTERNS: MigrationPatterns = &[(
353    ACTION_ARGUMENT_SNAKE_CASE_PATTERN,
354    action_argument_snake_case,
355)];
356
357static KEYMAP_MIGRATION_REPLACEMENT_QUERY: LazyLock<Query> = LazyLock::new(|| {
358    Query::new(
359        &tree_sitter_json::LANGUAGE.into(),
360        &KEYMAP_MIGRATION_REPLACEMENT_PATTERNS
361            .iter()
362            .map(|pattern| pattern.0)
363            .collect::<String>(),
364    )
365    .unwrap()
366});
367
368const ACTION_STRING_PATTERN: &str = r#"(document
369    (array
370        (object
371            (pair
372                key: (string (string_content) @name)
373                value: (
374                    (object
375                        (pair
376                            key: (string)
377                            value: (string (string_content) @action_name)
378                        )
379                    )
380                )
381            )
382        )
383    )
384    (#eq? @name "bindings")
385)"#;
386
387fn rename_string_action(
388    contents: &str,
389    mat: &QueryMatch,
390    query: &Query,
391) -> Option<(Range<usize>, String)> {
392    let action_name_ix = query.capture_index_for_name("action_name")?;
393    let action_name_range = mat
394        .nodes_for_capture_index(action_name_ix)
395        .next()?
396        .byte_range();
397    let action_name = contents.get(action_name_range.clone())?;
398    let new_action_name = STRING_REPLACE.get(&action_name)?;
399    Some((action_name_range, new_action_name.to_string()))
400}
401
402/// "ctrl-k ctrl-1": "inline_completion::ToggleMenu" -> "edit_prediction::ToggleMenu"
403static STRING_REPLACE: LazyLock<HashMap<&str, &str>> = LazyLock::new(|| {
404    HashMap::from_iter([
405        (
406            "inline_completion::ToggleMenu",
407            "edit_prediction::ToggleMenu",
408        ),
409        ("editor::NextInlineCompletion", "editor::NextEditPrediction"),
410        (
411            "editor::PreviousInlineCompletion",
412            "editor::PreviousEditPrediction",
413        ),
414        (
415            "editor::AcceptPartialInlineCompletion",
416            "editor::AcceptPartialEditPrediction",
417        ),
418        ("editor::ShowInlineCompletion", "editor::ShowEditPrediction"),
419        (
420            "editor::AcceptInlineCompletion",
421            "editor::AcceptEditPrediction",
422        ),
423        (
424            "editor::ToggleInlineCompletions",
425            "editor::ToggleEditPrediction",
426        ),
427    ])
428});
429
430const CONTEXT_PREDICATE_PATTERN: &str = r#"
431(array
432    (object
433        (pair
434            key: (string (string_content) @name)
435            value: (string (string_content) @context_predicate)
436        )
437    )
438)
439(#eq? @name "context")
440"#;
441
442fn rename_context_key(
443    contents: &str,
444    mat: &QueryMatch,
445    query: &Query,
446) -> Option<(Range<usize>, String)> {
447    let context_predicate_ix = query.capture_index_for_name("context_predicate")?;
448    let context_predicate_range = mat
449        .nodes_for_capture_index(context_predicate_ix)
450        .next()?
451        .byte_range();
452    let old_predicate = contents.get(context_predicate_range.clone())?.to_string();
453    let mut new_predicate = old_predicate.to_string();
454    for (old_key, new_key) in CONTEXT_REPLACE.iter() {
455        new_predicate = new_predicate.replace(old_key, new_key);
456    }
457    if new_predicate != old_predicate {
458        Some((context_predicate_range, new_predicate.to_string()))
459    } else {
460        None
461    }
462}
463
464const ACTION_ARGUMENT_SNAKE_CASE_PATTERN: &str = r#"(document
465    (array
466        (object
467            (pair
468                key: (string (string_content) @name)
469                value: (
470                    (object
471                        (pair
472                            key: (string)
473                            value: ((array
474                                . (string (string_content) @action_name)
475                                . (object
476                                    (pair
477                                    key: (string (string_content) @argument_key)
478                                    value: (_)  @argument_value))
479                                . ) @array
480                            ))
481                        )
482                    )
483                )
484            )
485        )
486    (#eq? @name "bindings")
487)"#;
488
489fn is_snake_case(text: &str) -> bool {
490    text == text.to_case(Case::Snake)
491}
492
493fn to_snake_case(text: &str) -> String {
494    text.to_case(Case::Snake)
495}
496
497/// [ "editor::FoldAtLevel", { "SomeKey": "Value" } ] -> [ "editor::FoldAtLevel", { "some_key" : "value" } ]
498fn action_argument_snake_case(
499    contents: &str,
500    mat: &QueryMatch,
501    query: &Query,
502) -> Option<(Range<usize>, String)> {
503    let array_ix = query.capture_index_for_name("array")?;
504    let action_name_ix = query.capture_index_for_name("action_name")?;
505    let argument_key_ix = query.capture_index_for_name("argument_key")?;
506    let argument_value_ix = query.capture_index_for_name("argument_value")?;
507    let action_name = contents.get(
508        mat.nodes_for_capture_index(action_name_ix)
509            .next()?
510            .byte_range(),
511    )?;
512
513    let argument_key = contents.get(
514        mat.nodes_for_capture_index(argument_key_ix)
515            .next()?
516            .byte_range(),
517    )?;
518
519    let argument_value_node = mat.nodes_for_capture_index(argument_value_ix).next()?;
520    let argument_value = contents.get(argument_value_node.byte_range())?;
521
522    let mut needs_replacement = false;
523    let mut new_key = argument_key.to_string();
524    if !is_snake_case(argument_key) {
525        new_key = to_snake_case(argument_key);
526        needs_replacement = true;
527    }
528
529    let mut new_value = argument_value.to_string();
530    if argument_value_node.kind() == "string" {
531        let inner_value = argument_value.trim_matches('"');
532        if !is_snake_case(inner_value) {
533            new_value = format!("\"{}\"", to_snake_case(inner_value));
534            needs_replacement = true;
535        }
536    }
537
538    if !needs_replacement {
539        return None;
540    }
541
542    let range_to_replace = mat.nodes_for_capture_index(array_ix).next()?.byte_range();
543    let replacement = format!(
544        "[\"{}\", {{ \"{}\": {} }}]",
545        action_name, new_key, new_value
546    );
547
548    Some((range_to_replace, replacement))
549}
550
551/// "context": "Editor && inline_completion && !showing_completions" -> "Editor && edit_prediction && !showing_completions"
552pub static CONTEXT_REPLACE: LazyLock<HashMap<&str, &str>> = LazyLock::new(|| {
553    HashMap::from_iter([
554        ("inline_completion", "edit_prediction"),
555        (
556            "inline_completion_requires_modifier",
557            "edit_prediction_requires_modifier",
558        ),
559    ])
560});
561
562const SETTINGS_MIGRATION_PATTERNS: MigrationPatterns = &[
563    (SETTINGS_STRING_REPLACE_QUERY, replace_setting_name),
564    (
565        SETTINGS_REPLACE_NESTED_KEY,
566        replace_edit_prediction_provider_setting,
567    ),
568    (
569        SETTINGS_REPLACE_IN_LANGUAGES_QUERY,
570        replace_setting_in_languages,
571    ),
572];
573
574static SETTINGS_MIGRATION_QUERY: LazyLock<Query> = LazyLock::new(|| {
575    Query::new(
576        &tree_sitter_json::LANGUAGE.into(),
577        &SETTINGS_MIGRATION_PATTERNS
578            .iter()
579            .map(|pattern| pattern.0)
580            .collect::<String>(),
581    )
582    .unwrap()
583});
584
585static EDIT_PREDICTION_SETTINGS_MIGRATION_QUERY: LazyLock<Query> = LazyLock::new(|| {
586    Query::new(
587        &tree_sitter_json::LANGUAGE.into(),
588        SETTINGS_REPLACE_NESTED_KEY,
589    )
590    .unwrap()
591});
592
593const SETTINGS_STRING_REPLACE_QUERY: &str = r#"(document
594    (object
595        (pair
596            key: (string (string_content) @name)
597            value: (_)
598        )
599    )
600)"#;
601
602fn replace_setting_name(
603    contents: &str,
604    mat: &QueryMatch,
605    query: &Query,
606) -> Option<(Range<usize>, String)> {
607    let setting_capture_ix = query.capture_index_for_name("name")?;
608    let setting_name_range = mat
609        .nodes_for_capture_index(setting_capture_ix)
610        .next()?
611        .byte_range();
612    let setting_name = contents.get(setting_name_range.clone())?;
613    let new_setting_name = SETTINGS_STRING_REPLACE.get(&setting_name)?;
614    Some((setting_name_range, new_setting_name.to_string()))
615}
616
617pub static SETTINGS_STRING_REPLACE: LazyLock<HashMap<&'static str, &'static str>> =
618    LazyLock::new(|| {
619        HashMap::from_iter([
620            (
621                "show_inline_completions_in_menu",
622                "show_edit_predictions_in_menu",
623            ),
624            ("show_inline_completions", "show_edit_predictions"),
625            (
626                "inline_completions_disabled_in",
627                "edit_predictions_disabled_in",
628            ),
629            ("inline_completions", "edit_predictions"),
630        ])
631    });
632
633const SETTINGS_REPLACE_NESTED_KEY: &str = r#"
634(object
635  (pair
636    key: (string (string_content) @parent_key)
637    value: (object
638        (pair
639            key: (string (string_content) @setting_name)
640            value: (_) @value
641        )
642    )
643  )
644)
645"#;
646
647fn replace_edit_prediction_provider_setting(
648    contents: &str,
649    mat: &QueryMatch,
650    query: &Query,
651) -> Option<(Range<usize>, String)> {
652    let parent_object_capture_ix = query.capture_index_for_name("parent_key")?;
653    let parent_object_range = mat
654        .nodes_for_capture_index(parent_object_capture_ix)
655        .next()?
656        .byte_range();
657    let parent_object_name = contents.get(parent_object_range.clone())?;
658
659    let setting_name_ix = query.capture_index_for_name("setting_name")?;
660    let setting_range = mat
661        .nodes_for_capture_index(setting_name_ix)
662        .next()?
663        .byte_range();
664    let setting_name = contents.get(setting_range.clone())?;
665
666    if parent_object_name == "features" && setting_name == "inline_completion_provider" {
667        return Some((setting_range, "edit_prediction_provider".into()));
668    }
669
670    None
671}
672
673const SETTINGS_REPLACE_IN_LANGUAGES_QUERY: &str = r#"
674(object
675  (pair
676    key: (string (string_content) @languages)
677    value: (object
678    (pair
679        key: (string)
680        value: (object
681            (pair
682                key: (string (string_content) @setting_name)
683                value: (_) @value
684            )
685        )
686    ))
687  )
688)
689(#eq? @languages "languages")
690"#;
691
692fn replace_setting_in_languages(
693    contents: &str,
694    mat: &QueryMatch,
695    query: &Query,
696) -> Option<(Range<usize>, String)> {
697    let setting_capture_ix = query.capture_index_for_name("setting_name")?;
698    let setting_name_range = mat
699        .nodes_for_capture_index(setting_capture_ix)
700        .next()?
701        .byte_range();
702    let setting_name = contents.get(setting_name_range.clone())?;
703    let new_setting_name = LANGUAGE_SETTINGS_REPLACE.get(&setting_name)?;
704
705    Some((setting_name_range, new_setting_name.to_string()))
706}
707
708static LANGUAGE_SETTINGS_REPLACE: LazyLock<HashMap<&'static str, &'static str>> =
709    LazyLock::new(|| {
710        HashMap::from_iter([
711            ("show_inline_completions", "show_edit_predictions"),
712            (
713                "inline_completions_disabled_in",
714                "edit_predictions_disabled_in",
715            ),
716        ])
717    });
718
719#[cfg(test)]
720mod tests {
721    use super::*;
722
723    fn assert_migrate_keymap(input: &str, output: Option<&str>) {
724        let migrated = migrate_keymap(&input).unwrap();
725        pretty_assertions::assert_eq!(migrated.as_deref(), output);
726    }
727
728    fn assert_migrate_settings(input: &str, output: Option<&str>) {
729        let migrated = migrate_settings(&input).unwrap();
730        pretty_assertions::assert_eq!(migrated.as_deref(), output);
731    }
732
733    #[test]
734    fn test_replace_array_with_single_string() {
735        assert_migrate_keymap(
736            r#"
737            [
738                {
739                    "bindings": {
740                        "cmd-1": ["workspace::ActivatePaneInDirection", "Up"]
741                    }
742                }
743            ]
744            "#,
745            Some(
746                r#"
747            [
748                {
749                    "bindings": {
750                        "cmd-1": "workspace::ActivatePaneUp"
751                    }
752                }
753            ]
754            "#,
755            ),
756        )
757    }
758
759    #[test]
760    fn test_replace_action_argument_object_with_single_value() {
761        assert_migrate_keymap(
762            r#"
763            [
764                {
765                    "bindings": {
766                        "cmd-1": ["editor::FoldAtLevel", { "level": 1 }]
767                    }
768                }
769            ]
770            "#,
771            Some(
772                r#"
773            [
774                {
775                    "bindings": {
776                        "cmd-1": ["editor::FoldAtLevel", 1]
777                    }
778                }
779            ]
780            "#,
781            ),
782        )
783    }
784
785    #[test]
786    fn test_replace_action_argument_object_with_single_value_2() {
787        assert_migrate_keymap(
788            r#"
789            [
790                {
791                    "bindings": {
792                        "cmd-1": ["vim::PushOperator", { "Object": { "some" : "value" } }]
793                    }
794                }
795            ]
796            "#,
797            Some(
798                r#"
799            [
800                {
801                    "bindings": {
802                        "cmd-1": ["vim::PushObject", { "some" : "value" }]
803                    }
804                }
805            ]
806            "#,
807            ),
808        )
809    }
810
811    #[test]
812    fn test_rename_string_action() {
813        assert_migrate_keymap(
814            r#"
815                [
816                    {
817                        "bindings": {
818                            "cmd-1": "inline_completion::ToggleMenu"
819                        }
820                    }
821                ]
822            "#,
823            Some(
824                r#"
825                [
826                    {
827                        "bindings": {
828                            "cmd-1": "edit_prediction::ToggleMenu"
829                        }
830                    }
831                ]
832            "#,
833            ),
834        )
835    }
836
837    #[test]
838    fn test_rename_context_key() {
839        assert_migrate_keymap(
840            r#"
841                [
842                    {
843                        "context": "Editor && inline_completion && !showing_completions"
844                    }
845                ]
846            "#,
847            Some(
848                r#"
849                [
850                    {
851                        "context": "Editor && edit_prediction && !showing_completions"
852                    }
853                ]
854            "#,
855            ),
856        )
857    }
858
859    #[test]
860    fn test_action_argument_snake_case() {
861        // First performs transformations, then replacements
862        assert_migrate_keymap(
863            r#"
864            [
865                {
866                    "bindings": {
867                        "cmd-1": ["vim::PushOperator", { "Object": { "SomeKey": "Value" } }],
868                        "cmd-2": ["vim::SomeOtherAction", { "OtherKey": "Value" }],
869                        "cmd-3": ["vim::SomeDifferentAction", { "OtherKey": true }],
870                        "cmd-4": ["vim::OneMore", { "OtherKey": 4 }]
871                    }
872                }
873            ]
874            "#,
875            Some(
876                r#"
877            [
878                {
879                    "bindings": {
880                        "cmd-1": ["vim::PushObject", { "some_key": "value" }],
881                        "cmd-2": ["vim::SomeOtherAction", { "other_key": "value" }],
882                        "cmd-3": ["vim::SomeDifferentAction", { "other_key": true }],
883                        "cmd-4": ["vim::OneMore", { "other_key": 4 }]
884                    }
885                }
886            ]
887            "#,
888            ),
889        )
890    }
891
892    #[test]
893    fn test_replace_setting_name() {
894        assert_migrate_settings(
895            r#"
896                {
897                    "show_inline_completions_in_menu": true,
898                    "show_inline_completions": true,
899                    "inline_completions_disabled_in": ["string"],
900                    "inline_completions": { "some" : "value" }
901                }
902            "#,
903            Some(
904                r#"
905                {
906                    "show_edit_predictions_in_menu": true,
907                    "show_edit_predictions": true,
908                    "edit_predictions_disabled_in": ["string"],
909                    "edit_predictions": { "some" : "value" }
910                }
911            "#,
912            ),
913        )
914    }
915
916    #[test]
917    fn test_nested_string_replace_for_settings() {
918        assert_migrate_settings(
919            r#"
920                {
921                    "features": {
922                        "inline_completion_provider": "zed"
923                    },
924                }
925            "#,
926            Some(
927                r#"
928                {
929                    "features": {
930                        "edit_prediction_provider": "zed"
931                    },
932                }
933            "#,
934            ),
935        )
936    }
937
938    #[test]
939    fn test_replace_settings_in_languages() {
940        assert_migrate_settings(
941            r#"
942                {
943                    "languages": {
944                        "Astro": {
945                            "show_inline_completions": true
946                        }
947                    }
948                }
949            "#,
950            Some(
951                r#"
952                {
953                    "languages": {
954                        "Astro": {
955                            "show_edit_predictions": true
956                        }
957                    }
958                }
959            "#,
960            ),
961        )
962    }
963}