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[json] dynamically enable & disable formatter

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This commit is contained in:
Martin Aeschlimann
2017-01-30 16:32:22 +01:00
parent 762a189993
commit bb18628a66
2 changed files with 36 additions and 7 deletions
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38
extensions/json/server/src/jsonServerMain.ts
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@@ -6,7 +6,8 @@
import {
createConnection, IConnection,
TextDocuments, TextDocument, InitializeParams, InitializeResult, NotificationType, RequestType
TextDocuments, TextDocument, InitializeParams, InitializeResult, NotificationType, RequestType,
DocumentRangeFormattingRequest, Disposable
} from 'vscode-languageserver';
import { xhr, XHRResponse, configure as configureHttpRequests, getErrorStatusDescription } from 'request-light';
@@ -49,6 +50,9 @@ let documents: TextDocuments = new TextDocuments();
// for open, change and close text document events
documents.listen(connection);
let clientSnippetSupport = false;
let clientDynamicRegisterSupport = false;
const filesAssociationContribution = new FileAssociationContribution();
// After the server has started the client sends an initilize request. The server receives
@@ -59,15 +63,24 @@ connection.onInitialize((params: InitializeParams): InitializeResult => {
if (params.initializationOptions) {
filesAssociationContribution.setLanguageIds(params.initializationOptions.languageIds);
}
let snippetSupport = params.capabilities && params.capabilities.textDocument && params.capabilities.textDocument.completion && params.capabilities.textDocument.completion.completionItem && params.capabilities.textDocument.completion.completionItem.snippetSupport;
function hasClientCapability(...keys: string[]) {
let c = params.capabilities;
for (let i = 0; c && i < keys.length; i++) {
c = c[keys[i]];
}
return !!c;
}
clientSnippetSupport = hasClientCapability('textDocument', 'completion', 'completionItem', 'snippetSupport');
clientDynamicRegisterSupport = hasClientCapability('workspace', 'symbol', 'dynamicRegistration');
return {
capabilities: {
// Tell the client that the server works in FULL text document sync mode
textDocumentSync: documents.syncKind,
completionProvider: snippetSupport ? { resolveProvider: true, triggerCharacters: ['"', ':'] } : null,
completionProvider: clientDynamicRegisterSupport ? { resolveProvider: true, triggerCharacters: ['"', ':'] } : null,
hoverProvider: true,
documentSymbolProvider: true,
documentRangeFormattingProvider: !params.initializationOptions || params.initializationOptions['format.enable']
documentRangeFormattingProvider: false
}
};
});
@@ -123,6 +136,7 @@ let languageService = getLanguageService({
interface Settings {
json: {
schemas: JSONSchemaSettings[];
format: { enable: boolean; };
};
http: {
proxy: string;
@@ -138,6 +152,7 @@ interface JSONSchemaSettings {
let jsonConfigurationSettings: JSONSchemaSettings[] = void 0;
let schemaAssociations: ISchemaAssociations = void 0;
let formatterRegistration: Thenable<Disposable> = null;
// The settings have changed. Is send on server activation as well.
connection.onDidChangeConfiguration((change) => {
@@ -146,6 +161,21 @@ connection.onDidChangeConfiguration((change) => {
jsonConfigurationSettings = settings.json && settings.json.schemas;
updateConfiguration();
// dynamically enable & disable the formatter
if (clientDynamicRegisterSupport) {
let enableFormatter = settings && settings.json && settings.json.format && settings.json.format.enable;
if (enableFormatter) {
if (!formatterRegistration) {
console.log('enable');
formatterRegistration = connection.client.register(DocumentRangeFormattingRequest.type, { documentSelector: [{ language: 'json' }] });
}
} else if (formatterRegistration) {
console.log('enable');
formatterRegistration.then(r => r.dispose());
formatterRegistration = null;
}
}
});
// The jsonValidation extension configuration has changed