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languageServerPlugin.ts
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languageServerPlugin.ts
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import * as embedded from '@volar/language-core';
import { LanguageServerPlugin } from '@volar/language-server';
import * as shared from '@volar/shared';
import * as vue from '@volar/vue-language-service';
import * as vue2 from '@volar/vue-language-core';
import * as nameCasing from '@volar/vue-language-service';
import { DetectNameCasingRequest, GetConvertAttrCasingEditsRequest, GetConvertTagCasingEditsRequest, ParseSFCRequest, GetVueCompilerOptionsRequest, GetComponentMeta } from './protocol';
import { VueServerInitializationOptions } from './types';
import type * as ts from 'typescript/lib/tsserverlibrary';
import * as meta from 'vue-component-meta';
const plugin: LanguageServerPlugin<VueServerInitializationOptions, vue.LanguageServiceHost> = (initOptions) => {
const extraFileExtensions: ts.FileExtensionInfo[] = [{ extension: 'vue', isMixedContent: true, scriptKind: 7 }];
if (initOptions.petiteVue?.processHtmlFile) {
extraFileExtensions.push({ extension: 'html', isMixedContent: true, scriptKind: 7 });
}
if (initOptions.vitePress?.processMdFile) {
extraFileExtensions.push({ extension: 'md', isMixedContent: true, scriptKind: 7 });
}
if (initOptions.additionalExtensions) {
for (const additionalExtension of initOptions.additionalExtensions) {
extraFileExtensions.push({ extension: additionalExtension, isMixedContent: true, scriptKind: 7 });
}
}
return {
extraFileExtensions,
semanticService: {
semanticTokenLegend: vue.getSemanticTokenLegend(),
resolveLanguageServiceHost(ts, sys, tsConfig, host) {
let vueOptions: vue.VueCompilerOptions = {};
if (typeof tsConfig === 'string') {
vueOptions = vue2.createParsedCommandLine(ts, sys, tsConfig, []).vueOptions;
}
vueOptions.extensions = getVueExts(vueOptions.extensions ?? ['.vue']);
return {
...host,
getVueCompilationSettings: () => vueOptions,
};
},
getLanguageModules(host) {
const vueLanguageModule = vue2.createLanguageModule(
host.getTypeScriptModule(),
host.getCurrentDirectory(),
host.getCompilationSettings(),
host.getVueCompilationSettings(),
[],
);
return [vueLanguageModule];
},
getServicePlugins(host, service) {
return vue.getLanguageServicePlugins(host, service);
},
onInitialize(connection, getService) {
connection.onRequest(GetVueCompilerOptionsRequest.type, async params => {
const languageService = await getService(params.uri);
const host = languageService.context.host as vue.LanguageServiceHost;
return host.getVueCompilationSettings?.();
});
connection.onRequest(DetectNameCasingRequest.type, async params => {
const languageService = await getService(params.textDocument.uri);
return nameCasing.detect(languageService.context, params.textDocument.uri);
});
connection.onRequest(GetConvertTagCasingEditsRequest.type, async params => {
const languageService = await getService(params.textDocument.uri);
return nameCasing.convertTagName(languageService.context, params.textDocument.uri, params.casing);
});
connection.onRequest(GetConvertAttrCasingEditsRequest.type, async params => {
const languageService = await getService(params.textDocument.uri);
return nameCasing.convertAttrName(languageService.context, params.textDocument.uri, params.casing);
});
const checkers = new WeakMap<embedded.LanguageServiceHost, meta.ComponentMetaChecker>();
connection.onRequest(GetComponentMeta.type, async params => {
const languageService = await getService(params.uri);
let checker = checkers.get(languageService.context.host);
if (!checker) {
checker = meta.baseCreate(
languageService.context.host as vue.LanguageServiceHost,
{},
languageService.context.host.getCurrentDirectory() + '/tsconfig.json.global.vue',
languageService.context.pluginContext.typescript.module,
);
checkers.set(languageService.context.host, checker);
}
return checker.getComponentMeta(shared.getPathOfUri(params.uri));
});
},
},
syntacticService: {
getLanguageModules(ts, env) {
const vueLanguagePlugins = vue2.getDefaultVueLanguagePlugins(ts, shared.getPathOfUri(env.rootUri.toString()), {}, {}, []);
const vueExts = getVueExts(['.vue']);
const vueLanguageModule: embedded.LanguageModule = {
createSourceFile(fileName, snapshot) {
if (vueExts.some(ext => fileName.endsWith(ext))) {
return new vue2.VueSourceFile(fileName, snapshot, ts, vueLanguagePlugins);
}
},
updateSourceFile(sourceFile: vue2.VueSourceFile, snapshot) {
sourceFile.update(snapshot);
},
};
return [vueLanguageModule];
},
getServicePlugins(context) {
return vue.getDocumentServicePlugins(context);
},
onInitialize(connection) {
connection.onRequest(ParseSFCRequest.type, params => {
return vue2.parse(params);
});
},
},
};
function getVueExts(baseExts: string[]) {
return [
...baseExts,
...initOptions.additionalExtensions?.map(ext => '.' + ext) ?? [],
];
}
};
export = plugin;