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node.ts
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node.ts
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import type { Connection } from '@volar/language-server';
import { createConnection, createServer, createTypeScriptProject, loadTsdkByPath } from '@volar/language-server/node';
import { FileMap, ParsedCommandLine, VueCompilerOptions, createParsedCommandLine, createVueLanguagePlugin, parse, resolveVueCompilerOptions } from '@vue/language-core';
import { LanguageServiceEnvironment, convertAttrName, convertTagName, createDefaultGetTsPluginClient, detect, getVueLanguageServicePlugins } from '@vue/language-service';
import * as tsPluginClient from '@vue/typescript-plugin/lib/client';
import { searchNamedPipeServerForFile } from '@vue/typescript-plugin/lib/utils';
import { URI } from 'vscode-uri';
import { GetLanguagePlugin, createHybridModeProject } from './lib/hybridModeProject';
import { DetectNameCasingRequest, GetConnectedNamedPipeServerRequest, GetConvertAttrCasingEditsRequest, GetConvertTagCasingEditsRequest, ParseSFCRequest } from './lib/protocol';
import type { VueInitializationOptions } from './lib/types';
let tsdk: ReturnType<typeof loadTsdkByPath>;
let hybridMode: boolean;
let getTsPluginClient: ReturnType<typeof createDefaultGetTsPluginClient>;
const envToVueOptions = new WeakMap<LanguageServiceEnvironment, VueCompilerOptions>();
const watchedExtensions = new Set<string>();
export const connection: Connection = createConnection();
export const server = createServer(connection);
export const getLanguagePlugins: GetLanguagePlugin<URI> = async ({ serviceEnv, configFileName, projectHost, sys, asFileName }) => {
const commandLine = await parseCommandLine();
const vueOptions = commandLine?.vueOptions ?? resolveVueCompilerOptions({});
const vueLanguagePlugin = createVueLanguagePlugin(
tsdk.typescript,
asFileName,
() => projectHost?.getProjectVersion?.() ?? '',
fileName => {
const fileMap = new FileMap(sys?.useCaseSensitiveFileNames ?? false);
for (const vueFileName of projectHost?.getScriptFileNames() ?? []) {
fileMap.set(vueFileName, undefined);
}
return fileMap.has(fileName);
},
commandLine?.options ?? {},
vueOptions
);
if (!hybridMode) {
const extensions = [
'js', 'cjs', 'mjs', 'ts', 'cts', 'mts', 'jsx', 'tsx', 'json',
...vueOptions.extensions.map(ext => ext.slice(1)),
...vueOptions.vitePressExtensions.map(ext => ext.slice(1)),
...vueOptions.petiteVueExtensions.map(ext => ext.slice(1)),
];
const newExtensions = extensions.filter(ext => !watchedExtensions.has(ext));
if (newExtensions.length) {
for (const ext of newExtensions) {
watchedExtensions.add(ext);
}
server.watchFiles(['**/*.{' + newExtensions.join(',') + '}']);
}
}
envToVueOptions.set(serviceEnv, vueOptions);
return [vueLanguagePlugin];
async function parseCommandLine() {
let commandLine: ParsedCommandLine | undefined;
let sysVersion: number | undefined;
if (sys) {
let newSysVersion = await sys.sync();
while (sysVersion !== newSysVersion) {
sysVersion = newSysVersion;
if (configFileName) {
commandLine = createParsedCommandLine(tsdk.typescript, sys, configFileName);
}
newSysVersion = await sys.sync();
}
}
return commandLine;
}
};
connection.listen();
connection.onInitialize(params => {
const options: VueInitializationOptions = params.initializationOptions;
hybridMode = options.vue?.hybridMode ?? true;
tsdk = loadTsdkByPath(options.typescript.tsdk, params.locale);
if (hybridMode) {
getTsPluginClient = () => tsPluginClient;
}
else {
getTsPluginClient = createDefaultGetTsPluginClient(tsdk.typescript);
}
const result = server.initialize(
params,
hybridMode
? createHybridModeProject(tsdk.typescript.sys, getLanguagePlugins)
: createTypeScriptProject(tsdk.typescript, tsdk.diagnosticMessages, (env, ctx) => getLanguagePlugins({
serviceEnv: env,
configFileName: ctx.configFileName,
projectHost: ctx.projectHost,
sys: ctx.sys,
asFileName: ctx.asFileName,
})),
getVueLanguageServicePlugins(
tsdk.typescript,
env => envToVueOptions.get(env)!,
getTsPluginClient,
hybridMode
),
{
pullModelDiagnostics: hybridMode,
}
);
if (hybridMode) {
// provided by tsserver + @vue/typescript-plugin
result.capabilities.semanticTokensProvider = undefined;
}
return result;
});
connection.onInitialized(() => {
server.initialized();
});
connection.onShutdown(() => {
server.shutdown();
});
connection.onRequest(ParseSFCRequest.type, params => {
return parse(params);
});
connection.onRequest(DetectNameCasingRequest.type, async params => {
const uri = URI.parse(params.textDocument.uri);
const languageService = await getService(uri);
if (languageService) {
return await detect(languageService.context, uri);
}
});
connection.onRequest(GetConvertTagCasingEditsRequest.type, async params => {
const uri = URI.parse(params.textDocument.uri);
const languageService = await getService(uri);
if (languageService) {
return await convertTagName(languageService.context, uri, params.casing, getTsPluginClient(languageService.context));
}
});
connection.onRequest(GetConvertAttrCasingEditsRequest.type, async params => {
const uri = URI.parse(params.textDocument.uri);
const languageService = await getService(uri);
if (languageService) {
return await convertAttrName(languageService.context, uri, params.casing, getTsPluginClient(languageService.context));
}
});
connection.onRequest(GetConnectedNamedPipeServerRequest.type, async fileName => {
const server = (await searchNamedPipeServerForFile(fileName))?.server;
if (server) {
return server;
}
});
async function getService(uri: URI) {
return (await server.project.getLanguageService(uri));
}