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