code-server/lib/vscode/extensions/html-language-features/client/src/htmlClient.ts

323 lines
14 KiB
TypeScript

/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as nls from 'vscode-nls';
const localize = nls.loadMessageBundle();
import {
languages, ExtensionContext, IndentAction, Position, TextDocument, Range, CompletionItem, CompletionItemKind, SnippetString, workspace, extensions,
Disposable, FormattingOptions, CancellationToken, ProviderResult, TextEdit, CompletionContext, CompletionList, SemanticTokensLegend,
DocumentSemanticTokensProvider, DocumentRangeSemanticTokensProvider, SemanticTokens, window, commands
} from 'vscode';
import {
LanguageClientOptions, RequestType, TextDocumentPositionParams, DocumentRangeFormattingParams,
DocumentRangeFormattingRequest, ProvideCompletionItemsSignature, TextDocumentIdentifier, RequestType0, Range as LspRange, NotificationType, CommonLanguageClient
} from 'vscode-languageclient';
import { EMPTY_ELEMENTS } from './htmlEmptyTagsShared';
import { activateTagClosing } from './tagClosing';
import { RequestService } from './requests';
import { getCustomDataSource } from './customData';
namespace CustomDataChangedNotification {
export const type: NotificationType<string[]> = new NotificationType('html/customDataChanged');
}
namespace TagCloseRequest {
export const type: RequestType<TextDocumentPositionParams, string, any, any> = new RequestType('html/tag');
}
namespace LinkedEditingRequest {
export const type: RequestType<TextDocumentPositionParams, LspRange[] | null, any, any> = new RequestType('html/linkedEditing');
}
// experimental: semantic tokens
interface SemanticTokenParams {
textDocument: TextDocumentIdentifier;
ranges?: LspRange[];
}
namespace SemanticTokenRequest {
export const type: RequestType<SemanticTokenParams, number[] | null, any, any> = new RequestType('html/semanticTokens');
}
namespace SemanticTokenLegendRequest {
export const type: RequestType0<{ types: string[]; modifiers: string[] } | null, any, any> = new RequestType0('html/semanticTokenLegend');
}
namespace SettingIds {
export const linkedRename = 'editor.linkedRename';
export const formatEnable = 'html.format.enable';
}
export interface TelemetryReporter {
sendTelemetryEvent(eventName: string, properties?: {
[key: string]: string;
}, measurements?: {
[key: string]: number;
}): void;
}
export type LanguageClientConstructor = (name: string, description: string, clientOptions: LanguageClientOptions) => CommonLanguageClient;
export interface Runtime {
TextDecoder: { new(encoding?: string): { decode(buffer: ArrayBuffer): string; } };
fs?: RequestService;
telemetry?: TelemetryReporter;
}
export function startClient(context: ExtensionContext, newLanguageClient: LanguageClientConstructor, runtime: Runtime) {
let toDispose = context.subscriptions;
let documentSelector = ['html', 'handlebars'];
let embeddedLanguages = { css: true, javascript: true };
let rangeFormatting: Disposable | undefined = undefined;
const customDataSource = getCustomDataSource(context.subscriptions);
// Options to control the language client
let clientOptions: LanguageClientOptions = {
documentSelector,
synchronize: {
configurationSection: ['html', 'css', 'javascript'], // the settings to synchronize
},
initializationOptions: {
embeddedLanguages,
handledSchemas: ['file'],
provideFormatter: false, // tell the server to not provide formatting capability and ignore the `html.format.enable` setting.
},
middleware: {
// testing the replace / insert mode
provideCompletionItem(document: TextDocument, position: Position, context: CompletionContext, token: CancellationToken, next: ProvideCompletionItemsSignature): ProviderResult<CompletionItem[] | CompletionList> {
function updateRanges(item: CompletionItem) {
const range = item.range;
if (range instanceof Range && range.end.isAfter(position) && range.start.isBeforeOrEqual(position)) {
item.range = { inserting: new Range(range.start, position), replacing: range };
}
}
function updateProposals(r: CompletionItem[] | CompletionList | null | undefined): CompletionItem[] | CompletionList | null | undefined {
if (r) {
(Array.isArray(r) ? r : r.items).forEach(updateRanges);
}
return r;
}
const isThenable = <T>(obj: ProviderResult<T>): obj is Thenable<T> => obj && (<any>obj)['then'];
const r = next(document, position, context, token);
if (isThenable<CompletionItem[] | CompletionList | null | undefined>(r)) {
return r.then(updateProposals);
}
return updateProposals(r);
}
}
};
// Create the language client and start the client.
let client = newLanguageClient('html', localize('htmlserver.name', 'HTML Language Server'), clientOptions);
client.registerProposedFeatures();
let disposable = client.start();
toDispose.push(disposable);
client.onReady().then(() => {
client.sendNotification(CustomDataChangedNotification.type, customDataSource.uris);
customDataSource.onDidChange(() => {
client.sendNotification(CustomDataChangedNotification.type, customDataSource.uris);
});
let tagRequestor = (document: TextDocument, position: Position) => {
let param = client.code2ProtocolConverter.asTextDocumentPositionParams(document, position);
return client.sendRequest(TagCloseRequest.type, param);
};
disposable = activateTagClosing(tagRequestor, { html: true, handlebars: true }, 'html.autoClosingTags');
toDispose.push(disposable);
disposable = client.onTelemetry(e => {
runtime.telemetry?.sendTelemetryEvent(e.key, e.data);
});
toDispose.push(disposable);
// manually register / deregister format provider based on the `html.format.enable` setting avoiding issues with late registration. See #71652.
updateFormatterRegistration();
toDispose.push({ dispose: () => rangeFormatting && rangeFormatting.dispose() });
toDispose.push(workspace.onDidChangeConfiguration(e => e.affectsConfiguration(SettingIds.formatEnable) && updateFormatterRegistration()));
client.sendRequest(SemanticTokenLegendRequest.type).then(legend => {
if (legend) {
const provider: DocumentSemanticTokensProvider & DocumentRangeSemanticTokensProvider = {
provideDocumentSemanticTokens(doc) {
const params: SemanticTokenParams = {
textDocument: client.code2ProtocolConverter.asTextDocumentIdentifier(doc),
};
return client.sendRequest(SemanticTokenRequest.type, params).then(data => {
return data && new SemanticTokens(new Uint32Array(data));
});
},
provideDocumentRangeSemanticTokens(doc, range) {
const params: SemanticTokenParams = {
textDocument: client.code2ProtocolConverter.asTextDocumentIdentifier(doc),
ranges: [client.code2ProtocolConverter.asRange(range)]
};
return client.sendRequest(SemanticTokenRequest.type, params).then(data => {
return data && new SemanticTokens(new Uint32Array(data));
});
}
};
toDispose.push(languages.registerDocumentSemanticTokensProvider(documentSelector, provider, new SemanticTokensLegend(legend.types, legend.modifiers)));
}
});
disposable = languages.registerLinkedEditingRangeProvider(documentSelector, {
async provideLinkedEditingRanges(document, position) {
const param = client.code2ProtocolConverter.asTextDocumentPositionParams(document, position);
return client.sendRequest(LinkedEditingRequest.type, param).then(response => {
if (response) {
return {
ranges: response.map(r => client.protocol2CodeConverter.asRange(r))
};
}
return undefined;
});
}
});
toDispose.push(disposable);
});
function updateFormatterRegistration() {
const formatEnabled = workspace.getConfiguration().get(SettingIds.formatEnable);
if (!formatEnabled && rangeFormatting) {
rangeFormatting.dispose();
rangeFormatting = undefined;
} else if (formatEnabled && !rangeFormatting) {
rangeFormatting = languages.registerDocumentRangeFormattingEditProvider(documentSelector, {
provideDocumentRangeFormattingEdits(document: TextDocument, range: Range, options: FormattingOptions, token: CancellationToken): ProviderResult<TextEdit[]> {
let params: DocumentRangeFormattingParams = {
textDocument: client.code2ProtocolConverter.asTextDocumentIdentifier(document),
range: client.code2ProtocolConverter.asRange(range),
options: client.code2ProtocolConverter.asFormattingOptions(options)
};
return client.sendRequest(DocumentRangeFormattingRequest.type, params, token).then(
client.protocol2CodeConverter.asTextEdits,
(error) => {
client.handleFailedRequest(DocumentRangeFormattingRequest.type, error, []);
return Promise.resolve([]);
}
);
}
});
}
}
languages.setLanguageConfiguration('html', {
indentationRules: {
increaseIndentPattern: /<(?!\?|(?:area|base|br|col|frame|hr|html|img|input|link|meta|param)\b|[^>]*\/>)([-_\.A-Za-z0-9]+)(?=\s|>)\b[^>]*>(?!.*<\/\1>)|<!--(?!.*-->)|\{[^}"']*$/,
decreaseIndentPattern: /^\s*(<\/(?!html)[-_\.A-Za-z0-9]+\b[^>]*>|-->|\})/
},
wordPattern: /(-?\d*\.\d\w*)|([^\`\~\!\@\$\^\&\*\(\)\=\+\[\{\]\}\\\|\;\:\'\"\,\.\<\>\/\s]+)/g,
onEnterRules: [
{
beforeText: new RegExp(`<(?!(?:${EMPTY_ELEMENTS.join('|')}))([_:\\w][_:\\w-.\\d]*)([^/>]*(?!/)>)[^<]*$`, 'i'),
afterText: /^<\/([_:\w][_:\w-.\d]*)\s*>/i,
action: { indentAction: IndentAction.IndentOutdent }
},
{
beforeText: new RegExp(`<(?!(?:${EMPTY_ELEMENTS.join('|')}))(\\w[\\w\\d]*)([^/>]*(?!/)>)[^<]*$`, 'i'),
action: { indentAction: IndentAction.Indent }
}
],
});
languages.setLanguageConfiguration('handlebars', {
wordPattern: /(-?\d*\.\d\w*)|([^\`\~\!\@\$\^\&\*\(\)\=\+\[\{\]\}\\\|\;\:\'\"\,\.\<\>\/\s]+)/g,
onEnterRules: [
{
beforeText: new RegExp(`<(?!(?:${EMPTY_ELEMENTS.join('|')}))([_:\\w][_:\\w-.\\d]*)([^/>]*(?!/)>)[^<]*$`, 'i'),
afterText: /^<\/([_:\w][_:\w-.\d]*)\s*>/i,
action: { indentAction: IndentAction.IndentOutdent }
},
{
beforeText: new RegExp(`<(?!(?:${EMPTY_ELEMENTS.join('|')}))(\\w[\\w\\d]*)([^/>]*(?!/)>)[^<]*$`, 'i'),
action: { indentAction: IndentAction.Indent }
}
],
});
const regionCompletionRegExpr = /^(\s*)(<(!(-(-\s*(#\w*)?)?)?)?)?$/;
const htmlSnippetCompletionRegExpr = /^(\s*)(<(h(t(m(l)?)?)?)?)?$/;
languages.registerCompletionItemProvider(documentSelector, {
provideCompletionItems(doc, pos) {
const results: CompletionItem[] = [];
let lineUntilPos = doc.getText(new Range(new Position(pos.line, 0), pos));
let match = lineUntilPos.match(regionCompletionRegExpr);
if (match) {
let range = new Range(new Position(pos.line, match[1].length), pos);
let beginProposal = new CompletionItem('#region', CompletionItemKind.Snippet);
beginProposal.range = range;
beginProposal.insertText = new SnippetString('<!-- #region $1-->');
beginProposal.documentation = localize('folding.start', 'Folding Region Start');
beginProposal.filterText = match[2];
beginProposal.sortText = 'za';
results.push(beginProposal);
let endProposal = new CompletionItem('#endregion', CompletionItemKind.Snippet);
endProposal.range = range;
endProposal.insertText = new SnippetString('<!-- #endregion -->');
endProposal.documentation = localize('folding.end', 'Folding Region End');
endProposal.filterText = match[2];
endProposal.sortText = 'zb';
results.push(endProposal);
}
let match2 = lineUntilPos.match(htmlSnippetCompletionRegExpr);
if (match2 && doc.getText(new Range(new Position(0, 0), pos)).match(htmlSnippetCompletionRegExpr)) {
let range = new Range(new Position(pos.line, match2[1].length), pos);
let snippetProposal = new CompletionItem('HTML sample', CompletionItemKind.Snippet);
snippetProposal.range = range;
const content = ['<!DOCTYPE html>',
'<html>',
'<head>',
'\t<meta charset=\'utf-8\'>',
'\t<meta http-equiv=\'X-UA-Compatible\' content=\'IE=edge\'>',
'\t<title>${1:Page Title}</title>',
'\t<meta name=\'viewport\' content=\'width=device-width, initial-scale=1\'>',
'\t<link rel=\'stylesheet\' type=\'text/css\' media=\'screen\' href=\'${2:main.css}\'>',
'\t<script src=\'${3:main.js}\'></script>',
'</head>',
'<body>',
'\t$0',
'</body>',
'</html>'].join('\n');
snippetProposal.insertText = new SnippetString(content);
snippetProposal.documentation = localize('folding.html', 'Simple HTML5 starting point');
snippetProposal.filterText = match2[2];
snippetProposal.sortText = 'za';
results.push(snippetProposal);
}
return results;
}
});
const promptForTypeOnRenameKey = 'html.promptForTypeOnRename';
const promptForTypeOnRename = extensions.getExtension('formulahendry.auto-rename-tag') !== undefined &&
(context.globalState.get(promptForTypeOnRenameKey) !== false) &&
!workspace.getConfiguration('editor', { languageId: 'html' }).get('linkedRename');
if (promptForTypeOnRename) {
const activeEditorListener = window.onDidChangeActiveTextEditor(async e => {
if (e && documentSelector.indexOf(e.document.languageId) !== -1) {
context.globalState.update(promptForTypeOnRenameKey, false);
activeEditorListener.dispose();
const configure = localize('configureButton', 'Configure');
const res = await window.showInformationMessage(localize('linkedRenameQuestion', 'VS Code now has built-in support for auto-renaming tags. Do you want to enable it?'), configure);
if (res === configure) {
commands.executeCommand('workbench.action.openSettings', SettingIds.linkedRename);
}
}
});
toDispose.push(activeEditorListener);
}
toDispose.push();
}