From fe69fb7f5c9f94e15986467ea18cc0d90f2249fe Mon Sep 17 00:00:00 2001
From: Brokun <brokun0128@gmail.com>
Date: Sun, 18 Aug 2019 21:41:11 +0800
Subject: [PATCH] fix #5229: Add language configuration items for js, ts and
 jsx

Signed-off-by: Brokun <brokun0128@gmail.com>
---
 packages/textmate-grammars/src/browser/js.ts  | 43 +++++++++++++++++++
 .../textmate-grammars/src/browser/jsx-tags.ts | 31 +++++++++++++
 packages/textmate-grammars/src/browser/ts.ts  | 43 +++++++++++++++++++
 3 files changed, 117 insertions(+)

diff --git a/packages/textmate-grammars/src/browser/js.ts b/packages/textmate-grammars/src/browser/js.ts
index b6daea6a5c568..35bb43799b054 100644
--- a/packages/textmate-grammars/src/browser/js.ts
+++ b/packages/textmate-grammars/src/browser/js.ts
@@ -13,6 +13,10 @@
  *
  * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
  ********************************************************************************/
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
 
 import { injectable } from 'inversify';
 import { LanguageGrammarDefinitionContribution, TextmateRegistry, getEncodedLanguageId, GrammarDefinition } from '@theia/monaco/lib/browser/textmate';
@@ -117,6 +121,45 @@ export class JavascriptContribution implements LanguageGrammarDefinitionContribu
     }
 
     protected configuration: monaco.languages.LanguageConfiguration = {
+        // copied and modified from https://github.com/microsoft/vscode/blob/master/extensions/typescript-language-features/src/features/languageConfiguration.ts
+        'indentationRules': {
+            'decreaseIndentPattern': /^((?!.*?\/\*).*\*\/)?\s*[\}\]].*$/,
+            'increaseIndentPattern': /^((?!\/\/).)*(\{[^}"'`]*|\([^)"'`]*|\[[^\]"'`]*)$/
+        },
+        'wordPattern': /(-?\d*\.\d\w*)|([^\`\~\!\@\#\%\^\&\*\(\)\-\=\+\[\{\]\}\\\|\;\:\'\"\,\.\<\>\/\?\s]+)/g,
+        'onEnterRules': [
+            {
+                // e.g. /** | */
+                'beforeText': /^\s*\/\*\*(?!\/)([^\*]|\*(?!\/))*$/,
+                'afterText': /^\s*\*\/$/,
+                'action': { indentAction: monaco.languages.IndentAction.IndentOutdent, appendText: ' * ' },
+            },
+            {
+                // e.g. /** ...|
+                'beforeText': /^\s*\/\*\*(?!\/)([^\*]|\*(?!\/))*$/,
+                'action': { indentAction: monaco.languages.IndentAction.None, appendText: ' * ' },
+            },
+            {
+                // e.g.  * ...|
+                'beforeText': /^(\t|[ ])*[ ]\*([ ]([^\*]|\*(?!\/))*)?$/,
+                'action': { indentAction: monaco.languages.IndentAction.None, appendText: '* ' },
+            },
+            {
+                // e.g.  */|
+                'beforeText': /^(\t|[ ])*[ ]\*\/\s*$/,
+                'action': { indentAction: monaco.languages.IndentAction.None, removeText: 1 },
+            },
+            {
+                // e.g.  *-----*/|
+                'beforeText': /^(\t|[ ])*[ ]\*[^/]*\*\/\s*$/,
+                'action': { indentAction: monaco.languages.IndentAction.None, removeText: 1 },
+            },
+            {
+                'beforeText': /^\s*(\bcase\s.+:|\bdefault:)$/,
+                'afterText': /^(?!\s*(\bcase\b|\bdefault\b))/,
+                'action': { indentAction: monaco.languages.IndentAction.Indent },
+            }
+        ],
         'comments': {
             'lineComment': '//',
             'blockComment': ['/*', '*/']
diff --git a/packages/textmate-grammars/src/browser/jsx-tags.ts b/packages/textmate-grammars/src/browser/jsx-tags.ts
index e2dea5fe0e550..6c5eba1961f7a 100644
--- a/packages/textmate-grammars/src/browser/jsx-tags.ts
+++ b/packages/textmate-grammars/src/browser/jsx-tags.ts
@@ -13,6 +13,10 @@
  *
  * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
  ********************************************************************************/
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
 
 import { injectable } from 'inversify';
 import { LanguageGrammarDefinitionContribution, TextmateRegistry } from '@theia/monaco/lib/browser/textmate';
@@ -20,6 +24,8 @@ import { LanguageGrammarDefinitionContribution, TextmateRegistry } from '@theia/
 @injectable()
 export class JsxTagsContribution implements LanguageGrammarDefinitionContribution {
     private readonly id = 'jsx-tags';
+    // copied and modified from https://github.com/microsoft/vscode/blob/master/extensions/typescript-language-features/src/features/languageConfiguration.ts
+    static EMPTY_ELEMENTS: string[] = ['area', 'base', 'br', 'col', 'embed', 'hr', 'img', 'input', 'keygen', 'link', 'menuitem', 'meta', 'param', 'source', 'track', 'wbr'];
 
     registerTextmateLanguage(registry: TextmateRegistry): void {
         this.registerJsxTags();
@@ -36,6 +42,31 @@ export class JsxTagsContribution implements LanguageGrammarDefinitionContributio
     }
 
     protected configuration: monaco.languages.LanguageConfiguration = {
+        // copied and modified from https://github.com/microsoft/vscode/blob/master/extensions/typescript-language-features/src/features/languageConfiguration.ts
+        'wordPattern': /(-?\d*\.\d\w*)|([^\`\~\!\@\$\^\&\*\(\)\=\+\[\{\]\}\\\|\;\:\'\"\,\.\<\>\/\s]+)/g,
+        'onEnterRules': [
+            {
+                'beforeText': new RegExp(`<(?!(?:${JsxTagsContribution.EMPTY_ELEMENTS.join('|')}))([_:\\w][_:\\w\\-.\\d]*)([^/>]*(?!/)>)[^<]*$`, 'i'),
+                'afterText': /^<\/([_:\w][_:\w-.\d]*)\s*>$/i,
+                'action': { indentAction: monaco.languages.IndentAction.IndentOutdent }
+            },
+            {
+                'beforeText': new RegExp(`<(?!(?:${JsxTagsContribution.EMPTY_ELEMENTS.join('|')}))([_:\\w][_:\\w\\-.\\d]*)([^/>]*(?!/)>)[^<]*$`, 'i'),
+                'action': { indentAction: monaco.languages.IndentAction.Indent }
+            },
+            {
+                // `beforeText` only applies to tokens of a given language. Since we are dealing with jsx-tags,
+                // make sure we apply to the closing `>` of a tag so that mixed language spans
+                // such as `<div onclick={1}>` are handled properly.
+                'beforeText': /^>$/,
+                'afterText': /^<\/([_:\w][_:\w-.\d]*)\s*>$/i,
+                'action': { indentAction: monaco.languages.IndentAction.IndentOutdent }
+            },
+            {
+                'beforeText': /^>$/,
+                'action': { indentAction: monaco.languages.IndentAction.Indent }
+            },
+        ],
         'comments': {
             'blockComment': ['{/*', '*/}']
         },
diff --git a/packages/textmate-grammars/src/browser/ts.ts b/packages/textmate-grammars/src/browser/ts.ts
index d5946a85e6620..099d5b2c1be51 100644
--- a/packages/textmate-grammars/src/browser/ts.ts
+++ b/packages/textmate-grammars/src/browser/ts.ts
@@ -13,6 +13,10 @@
  *
  * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
  ********************************************************************************/
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
 
 import { injectable, inject } from 'inversify';
 import { LanguageGrammarDefinitionContribution, TextmateRegistry, GrammarDefinition } from '@theia/monaco/lib/browser/textmate';
@@ -106,6 +110,45 @@ export class TypescriptContribution implements LanguageGrammarDefinitionContribu
     }
 
     protected configuration: monaco.languages.LanguageConfiguration = {
+        // copied and modified from https://github.com/microsoft/vscode/blob/master/extensions/typescript-language-features/src/features/languageConfiguration.ts
+        'indentationRules': {
+            'decreaseIndentPattern': /^((?!.*?\/\*).*\*\/)?\s*[\}\]].*$/,
+            'increaseIndentPattern': /^((?!\/\/).)*(\{[^}"'`]*|\([^)"'`]*|\[[^\]"'`]*)$/
+        },
+        'wordPattern': /(-?\d*\.\d\w*)|([^\`\~\!\@\#\%\^\&\*\(\)\-\=\+\[\{\]\}\\\|\;\:\'\"\,\.\<\>\/\?\s]+)/g,
+        'onEnterRules': [
+            {
+                // e.g. /** | */
+                'beforeText': /^\s*\/\*\*(?!\/)([^\*]|\*(?!\/))*$/,
+                'afterText': /^\s*\*\/$/,
+                'action': { indentAction: monaco.languages.IndentAction.IndentOutdent, appendText: ' * ' },
+            },
+            {
+                // e.g. /** ...|
+                'beforeText': /^\s*\/\*\*(?!\/)([^\*]|\*(?!\/))*$/,
+                'action': { indentAction: monaco.languages.IndentAction.None, appendText: ' * ' },
+            },
+            {
+                // e.g.  * ...|
+                'beforeText': /^(\t|[ ])*[ ]\*([ ]([^\*]|\*(?!\/))*)?$/,
+                'action': { indentAction: monaco.languages.IndentAction.None, appendText: '* ' },
+            },
+            {
+                // e.g.  */|
+                'beforeText': /^(\t|[ ])*[ ]\*\/\s*$/,
+                'action': { indentAction: monaco.languages.IndentAction.None, removeText: 1 },
+            },
+            {
+                // e.g.  *-----*/|
+                'beforeText': /^(\t|[ ])*[ ]\*[^/]*\*\/\s*$/,
+                'action': { indentAction: monaco.languages.IndentAction.None, removeText: 1 },
+            },
+            {
+                'beforeText': /^\s*(\bcase\s.+:|\bdefault:)$/,
+                'afterText': /^(?!\s*(\bcase\b|\bdefault\b))/,
+                'action': { indentAction: monaco.languages.IndentAction.Indent },
+            }
+        ],
         'comments': {
             'lineComment': '//',
             'blockComment': ['/*', '*/']