From a49a42680a4269b79c4e80f6d754bbded03a0593 Mon Sep 17 00:00:00 2001
From: Ramya Achutha Rao <ramyar@microsoft.com>
Date: Tue, 20 Jun 2017 18:47:31 -0700
Subject: [PATCH] Explicit mapping for langs whose parent are emmet supported
 #28545

---
 extensions/emmet/src/abbreviationActions.ts | 15 +++------
 extensions/emmet/src/extension.ts           | 36 ++++++---------------
 extensions/emmet/src/util.ts                | 33 +++++++++++++++++++
 3 files changed, 47 insertions(+), 37 deletions(-)

diff --git a/extensions/emmet/src/abbreviationActions.ts b/extensions/emmet/src/abbreviationActions.ts
index aeb64582f2515..b4d996f2d7546 100644
--- a/extensions/emmet/src/abbreviationActions.ts
+++ b/extensions/emmet/src/abbreviationActions.ts
@@ -10,7 +10,7 @@ import parseStylesheet from '@emmetio/css-parser';
 import parse from '@emmetio/html-matcher';
 import Node from '@emmetio/node';
 
-import { getSyntax, getProfile, getVariables, isStyleSheet, getNode, getInnerRange } from './util';
+import { getSyntax, getProfile, getVariables, isStyleSheet, getNode, getInnerRange, getMappedModes } from './util';
 import { DocumentStreamReader } from './bufferStream';
 
 const field = (index, placeholder) => `\${${index}${placeholder ? ':' + placeholder : ''}}`;
@@ -42,17 +42,12 @@ export function expandAbbreviation() {
 		return;
 	}
 	let syntax = getSyntax(editor.document);
-	let mappedSyntax = false;
-	let emmetConfig = vscode.workspace.getConfiguration('emmet');
-	if (emmetConfig && emmetConfig['syntaxProfiles']) {
-		let syntaxProfiles = emmetConfig['syntaxProfiles'];
-		if (typeof syntaxProfiles[syntax] === 'string') {
-			syntax = syntaxProfiles[syntax];
-			mappedSyntax = true;
-		}
-	}
+	let mappedSyntax = getMappedModes()[syntax];
+
 	if (!mappedSyntax) {
 		syntax = syntaxHelper(syntax, editor.document, editor.selection.end);
+	} else {
+		syntax = mappedSyntax;
 	}
 	if (!syntax) {
 		return;
diff --git a/extensions/emmet/src/extension.ts b/extensions/emmet/src/extension.ts
index eaaf869a602d9..48b4c3d61b37d 100644
--- a/extensions/emmet/src/extension.ts
+++ b/extensions/emmet/src/extension.ts
@@ -15,23 +15,9 @@ import { mergeLines } from './mergeLines';
 import { toggleComment } from './toggleComment';
 import { fetchEditPoint } from './editPoint';
 import { fetchSelectItem } from './selectItem';
-import { updateExtensionsPath } from './util';
-
-const LANGUAGE_MODES: Object = {
-	'html': ['!', '.', '}'],
-	'jade': ['!', '.', '}'],
-	'slim': ['!', '.', '}'],
-	'haml': ['!', '.', '}'],
-	'xml': ['.', '}'],
-	'xsl': ['.', '}'],
-	'javascriptreact': ['.'],
-	'typescriptreact': ['.'],
-	'css': [':'],
-	'scss': [':'],
-	'sass': [':'],
-	'less': [':'],
-	'stylus': [':']
-};
+import { updateExtensionsPath, LANGUAGE_MODES, getMappedModes } from './util';
+
+
 
 export function activate(context: vscode.ExtensionContext) {
 	let completionProvider = new EmmetCompletionItemProvider();
@@ -41,16 +27,12 @@ export function activate(context: vscode.ExtensionContext) {
 	});
 
 	let completionProviderForMappedSyntax = new EmmetCompletionItemProvider(true);
-	let emmetConfig = vscode.workspace.getConfiguration('emmet');
-	if (emmetConfig && emmetConfig['syntaxProfiles']) {
-		let syntaxProfiles = emmetConfig['syntaxProfiles'];
-		Object.keys(syntaxProfiles).forEach(syntax => {
-			if (typeof syntaxProfiles[syntax] === 'string' && LANGUAGE_MODES[syntaxProfiles[syntax]]) {
-				const provider = vscode.languages.registerCompletionItemProvider(syntax, completionProviderForMappedSyntax, ...LANGUAGE_MODES[syntaxProfiles[syntax]]);
-				context.subscriptions.push(provider);
-			}
-		});
-	}
+	let mappedModes = getMappedModes();
+	Object.keys(mappedModes).forEach(syntax => {
+		const provider = vscode.languages.registerCompletionItemProvider(syntax, completionProviderForMappedSyntax, ...LANGUAGE_MODES[mappedModes[syntax]]);
+		context.subscriptions.push(provider);
+	});
+
 
 	context.subscriptions.push(vscode.commands.registerCommand('emmet.wrapWithAbbreviation', () => {
 		wrapWithAbbreviation();
diff --git a/extensions/emmet/src/util.ts b/extensions/emmet/src/util.ts
index 9dfc5e89d9141..a4d85b1b39541 100644
--- a/extensions/emmet/src/util.ts
+++ b/extensions/emmet/src/util.ts
@@ -13,6 +13,27 @@ import * as fs from 'fs';
 let variablesFromFile = {};
 let profilesFromFile = {};
 let emmetExtensionsPath = '';
+
+export const LANGUAGE_MODES: Object = {
+	'html': ['!', '.', '}'],
+	'jade': ['!', '.', '}'],
+	'slim': ['!', '.', '}'],
+	'haml': ['!', '.', '}'],
+	'xml': ['.', '}'],
+	'xsl': ['.', '}'],
+	'javascriptreact': ['.'],
+	'typescriptreact': ['.'],
+	'css': [':'],
+	'scss': [':'],
+	'sass': [':'],
+	'less': [':'],
+	'stylus': [':']
+};
+
+// Explicitly map languages to their parent language to get emmet support
+export const MAPPED_MODES: Object = {
+	'handlebars': 'html'
+};
 export function validate(allowStylesheet: boolean = true): boolean {
 	let editor = vscode.window.activeTextEditor;
 	if (!editor) {
@@ -96,6 +117,18 @@ export function getVariables(): any {
 	return Object.assign({}, variablesFromFile, variablesFromSettings);
 }
 
+export function getMappedModes(): any {
+	let finalMappedModes = {};
+	let syntaxProfileConfig = vscode.workspace.getConfiguration('emmet')['syntaxProfiles'];
+	let syntaxProfiles = Object.assign({}, MAPPED_MODES, syntaxProfileConfig ? syntaxProfileConfig : {});
+	Object.keys(syntaxProfiles).forEach(syntax => {
+		if (typeof syntaxProfiles[syntax] === 'string' && LANGUAGE_MODES[syntaxProfiles[syntax]]) {
+			finalMappedModes[syntax] = syntaxProfiles[syntax];
+		}
+	});
+	return finalMappedModes;
+}
+
 export function updateExtensionsPath() {
 	let currentEmmetExtensionsPath = vscode.workspace.getConfiguration('emmet')['extensionsPath'];
 	if (emmetExtensionsPath !== currentEmmetExtensionsPath) {