#19733 Implement intellisense for language specific editor settings i…

…n configuration defaults

extensions/extension-editing/package.json

@@ -10,13 +10,18 @@
  "Other"
  ],
  "activationEvents": [
+ "onLanguage:json",
  "onLanguage:typescript"
  ],
  "main": "./out/extension",
  "scripts": {
  "compile": "gulp compile-extension:extension-editing",
  "watch": "gulp watch-extension:extension-editing"
  },
+ "dependencies": {
+ "jsonc-parser": "^0.3.1",
+ "vscode-nls": "^2.0.1"
+ },
  "contributes": {
  "jsonValidation": [
  {

extensions/extension-editing/src/extension.ts

@@ -7,10 +7,14 @@
 
 import * as vscode from 'vscode';
 import * as ts from 'typescript';
+import { PackageDocument } from './packageDocumentHelper';
 
 export function activate(context: vscode.ExtensionContext) {
  const registration = vscode.languages.registerDocumentLinkProvider({ language: 'typescript', pattern: '**/vscode.d.ts' }, _linkProvider);
  context.subscriptions.push(registration);
+
+ //package.json suggestions
+ context.subscriptions.push(registerPackageDocumentCompletions());
 }
 
 const _linkProvider = new class implements vscode.DocumentLinkProvider {
@@ -101,3 +105,11 @@ namespace ast {
  };
  }
 }
+
+function registerPackageDocumentCompletions(): vscode.Disposable {
+ return vscode.languages.registerCompletionItemProvider({ language: 'json', pattern: '**/**/package.json' }, {
+ provideCompletionItems(document, position, token) {
+ return new PackageDocument(document).provideCompletionItems(position, token);
+ }
+ });
+}

extensions/extension-editing/src/packageDocumentHelper.ts

@@ -0,0 +1,84 @@
+/*---------------------------------------------------------------------------------------------
+ * Copyright (c) Microsoft Corporation. All rights reserved.
+ * Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as vscode from 'vscode';
+import { getLocation, Location } from 'jsonc-parser';
+import * as nls from 'vscode-nls';
+
+const localize = nls.loadMessageBundle();
+
+export class PackageDocument {
+
+ constructor(private document: vscode.TextDocument) { }
+
+ public provideCompletionItems(position: vscode.Position, token: vscode.CancellationToken): vscode.ProviderResult<vscode.CompletionItem[]> {
+ const location = getLocation(this.document.getText(), this.document.offsetAt(position));
+
+ if (location.path.length >= 2 && location.path[1] === 'configurationDefaults') {
+ return this.provideLanguageOverridesCompletionItems(location, position);
+ }
+
+ }
+
+ private provideLanguageOverridesCompletionItems(location: Location, position: vscode.Position): vscode.ProviderResult<vscode.CompletionItem[]> {
+ let range = this.document.getWordRangeAtPosition(position) || new vscode.Range(position, position);
+ const text = this.document.getText(range);
+
+ if (location.path.length === 2) {
+
+ let snippet = '"[${1:language}]": {\n\t"$0"\n}';
+
+ // Suggestion model word matching includes quotes,
+ // hence exclude the starting quote from the snippet and the range
+ // ending quote gets replaced
+ if (text.startsWith('"')) {
+ range = new vscode.Range(new vscode.Position(range.start.line, range.start.character + 1), range.end);
+ snippet = snippet.substring(1);
+ }
+
+ return Promise.resolve([this.newSnippetCompletionItem({
+ label: localize('languageSpecificEditorSettings', "Language specific editor settings"),
+ documentation: localize('languageSpecificEditorSettingsDescription', "Override editor settings for language"),
+ snippet,
+ range
+ })]);
+ }
+
+ if (location.path.length === 3 && location.previousNode && location.previousNode.value.startsWith('[')) {
+
+ // Suggestion model word matching includes starting quote and open sqaure bracket
+ // Hence exclude them from the proposal range
+ range = new vscode.Range(new vscode.Position(range.start.line, range.start.character + 2), range.end);
+
+ return vscode.languages.getLanguages().then(languages => {
+ return languages.map(l => {
+
+ // Suggestion model word matching includes closed sqaure bracket and ending quote
+ // Hence include them in the proposal to replace
+ return this.newSimpleCompletionItem(l, range, '', l + ']"');
+ });
+ });
+ }
+ return Promise.resolve([]);
+ }
+
+ private newSimpleCompletionItem(text: string, range: vscode.Range, description?: string, insertText?: string): vscode.CompletionItem {
+ const item = new vscode.CompletionItem(text);
+ item.kind = vscode.CompletionItemKind.Value;
+ item.detail = description;
+ item.insertText = insertText ? insertText : text;
+ item.range = range;
+ return item;
+ }
+
+ private newSnippetCompletionItem(o: { label: string; documentation?: string; snippet: string; range: vscode.Range; }): vscode.CompletionItem {
+ const item = new vscode.CompletionItem(o.label);
+ item.kind = vscode.CompletionItemKind.Value;
+ item.documentation = o.documentation;
+ item.insertText = new vscode.SnippetString(o.snippet);
+ item.range = o.range;
+ return item;
+ }
+}