Add support for Delta documents

packages/core/src/diagnostic/diagnostic-fix.ts

@@ -1,9 +1,9 @@
 import { TextEdit } from '../common/text-edit';
 import { Diagnostic } from './diagnostic';
 
-export interface DiagnosticFix {
+export interface DiagnosticFix<T = TextEdit> {
   title: string;
   diagnostic: Diagnostic;
   isPreferred?: boolean;
-  edits: TextEdit[];
+  edits: T[];
 }

packages/core/src/diagnostic/diagnostic-provider.ts

@@ -1,5 +1,6 @@
 import { Observable } from 'rxjs';
 
+import { TextEdit } from '../common/text-edit';
 import { Diagnostic } from './diagnostic';
 import { DiagnosticFix } from './diagnostic-fix';
 
@@ -9,10 +10,10 @@ export interface DiagnosticsChanged {
   diagnostics: Diagnostic[];
 }
 
-export interface DiagnosticProvider {
+export interface DiagnosticProvider<T = TextEdit> {
   readonly id: string;
   readonly diagnosticsChanged$: Observable<DiagnosticsChanged>;
   init(): Promise<void>;
   getDiagnostics(uri: string): Promise<Diagnostic[]>;
-  getDiagnosticFixes(uri: string, diagnostic: Diagnostic): Promise<DiagnosticFix[]>;
+  getDiagnosticFixes(uri: string, diagnostic: Diagnostic): Promise<DiagnosticFix<T>[]>;
 }

packages/core/src/document/document-accessor.ts

@@ -0,0 +1,35 @@
+import { Observable } from 'rxjs';
+
+import { Document } from './document';
+
+export interface DocumentCreated<T extends Document> {
+  document: T;
+}
+
+export interface DocumentClosed {
+  uri: string;
+}
+
+export interface DocumentOpened<T extends Document> {
+  document: T;
+}
+
+export interface DocumentDeleted {
+  uri: string;
+}
+
+export interface DocumentChanged<T extends Document> {
+  document: T;
+}
+
+export interface DocumentAccessor<T extends Document = Document> {
+  readonly created$: Observable<DocumentCreated<T>>;
+  readonly closed$: Observable<DocumentClosed>;
+  readonly opened$: Observable<DocumentOpened<T>>;
+  readonly deleted$: Observable<DocumentDeleted>;
+  readonly changed$: Observable<DocumentChanged<T>>;
+
+  get(uri: string): Promise<T | undefined>;
+  all(): Promise<T[]>;
+  active(): Promise<T[]>;
+}

packages/core/src/document/document-factory.ts

@@ -1,12 +1,7 @@
-import { Range } from '../common/range';
 import { Document } from './document';
+import { TextDocumentChange } from './text-document-change';
 
-export interface DocumentChange {
-  range?: Range;
-  text: string;
-}
-
-export interface DocumentFactory<T extends Document> {
-  create(uri: string, format: string, version: number, content: string): T;
-  update(document: T, changes: readonly DocumentChange[], version: number): T;
+export interface DocumentFactory<TDoc extends Document = Document, TChange = TextDocumentChange> {
+  create(uri: string, format: string, version: number, content: string): TDoc;
+  update(document: TDoc, changes: readonly TChange[], version: number): TDoc;
 }