File size: 2,932 Bytes
6202252 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 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 path from 'path';
import { commands, CompletionList, ExtensionContext, Uri, workspace } from 'vscode';
import { getLanguageService } from 'vscode-html-languageservice';
import { LanguageClient, LanguageClientOptions, ServerOptions, TransportKind } from 'vscode-languageclient';
import { getCSSVirtualContent, isInsideStyleRegion } from './embeddedSupport';
let client: LanguageClient;
const htmlLanguageService = getLanguageService();
export function activate(context: ExtensionContext) {
// The server is implemented in node
const serverModule = context.asAbsolutePath(path.join('server', 'out', 'server.js'));
// If the extension is launched in debug mode then the debug server options are used
// Otherwise the run options are used
const serverOptions: ServerOptions = {
run: { module: serverModule, transport: TransportKind.ipc },
debug: {
module: serverModule,
transport: TransportKind.ipc,
}
};
const virtualDocumentContents = new Map<string, string>();
workspace.registerTextDocumentContentProvider('embedded-content', {
provideTextDocumentContent: uri => {
const originalUri = uri.path.slice(1).slice(0, -4);
const decodedUri = decodeURIComponent(originalUri);
return virtualDocumentContents.get(decodedUri);
}
});
const clientOptions: LanguageClientOptions = {
documentSelector: [{ scheme: 'file', language: 'html1' }],
middleware: {
provideCompletionItem: async (document, position, context, token, next) => {
// If not in `<style>`, do not perform request forwarding
if (!isInsideStyleRegion(htmlLanguageService, document.getText(), document.offsetAt(position))) {
return await next(document, position, context, token);
}
const originalUri = document.uri.toString(true);
virtualDocumentContents.set(originalUri, getCSSVirtualContent(htmlLanguageService, document.getText()));
const vdocUriString = `embedded-content://css/${encodeURIComponent(
originalUri
)}.css`;
const vdocUri = Uri.parse(vdocUriString);
return await commands.executeCommand<CompletionList>(
'vscode.executeCompletionItemProvider',
vdocUri,
position,
context.triggerCharacter
);
}
}
};
// Create the language client and start the client.
client = new LanguageClient(
'languageServerExample',
'Language Server Example',
serverOptions,
clientOptions
);
// Start the client. This will also launch the server
client.start();
}
export function deactivate(): Thenable<void> | undefined {
if (!client) {
return undefined;
}
return client.stop();
}
|