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languageService.ts
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languageService.ts
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import { Config, Service } from '@volar/language-service';
import * as vue from '@vue/language-core';
import { capitalize, hyphenate } from '@vue/shared';
import type * as ts from 'typescript/lib/tsserverlibrary';
import createCssService from 'volar-service-css';
import createEmmetService from 'volar-service-emmet';
import createHtmlService from 'volar-service-html';
import createJsonService from 'volar-service-json';
import createPugService from 'volar-service-pug';
import createPugFormatService from 'volar-service-pug-beautify';
import createTsService from 'volar-service-typescript';
import createTsTqService from 'volar-service-typescript-twoslash-queries';
import type { Data } from 'volar-service-typescript/out/features/completions/basic';
import type * as html from 'vscode-html-languageservice';
import type * as vscode from 'vscode-languageserver-protocol';
import { getNameCasing } from './ideFeatures/nameCasing';
import createVueService from './plugins/vue';
import createAutoDotValueService from './plugins/vue-autoinsert-dotvalue';
import createAutoWrapParenthesesService from './plugins/vue-autoinsert-parentheses';
import createAutoAddSpaceService from './plugins/vue-autoinsert-space';
import createReferencesCodeLensService from './plugins/vue-codelens-references';
import createVueTemplateLanguageService from './plugins/vue-template';
import createVueTqService from './plugins/vue-twoslash-queries';
import createVisualizeHiddenCallbackParamService from './plugins/vue-visualize-hidden-callback-param';
import createDirectiveCommentsService from './plugins/vue-directive-comments';
import { TagNameCasing, VueCompilerOptions } from './types';
export interface Settings {
json?: Parameters<typeof createJsonService>[0];
}
export function resolveConfig(
config: Config,
compilerOptions: ts.CompilerOptions = {},
vueCompilerOptions: Partial<vue.VueCompilerOptions> = {},
ts: typeof import('typescript/lib/tsserverlibrary') = require('typescript'),
codegenStack: boolean = false,
) {
const resolvedVueCompilerOptions = vue.resolveVueCompilerOptions(vueCompilerOptions);
const vueLanguageModules = vue.createLanguages(compilerOptions, resolvedVueCompilerOptions, ts, codegenStack);
config.languages = Object.assign({}, vueLanguageModules, config.languages);
config.services = resolvePlugins(config.services, resolvedVueCompilerOptions);
return config;
}
const unicodeReg = /\\u/g;
function resolvePlugins(
services: Config['services'],
vueCompilerOptions: VueCompilerOptions,
) {
const originalTsPlugin: Service = services?.typescript ?? createTsService();
services ??= {};
services.typescript = (_context, modules): ReturnType<Service> => {
const base = typeof originalTsPlugin === 'function' ? originalTsPlugin(_context, modules) : originalTsPlugin;
if (!_context || !modules?.typescript)
return base;
const ts = modules.typescript;
const transformedItem = new WeakSet<vscode.CompletionItem>();
return {
...base,
transformCompletionItem(item) {
if (transformedItem.has(item)) {
return item;
}
},
async provideCompletionItems(document, position, context, item) {
const result = await base.provideCompletionItems?.(document, position, context, item);
if (result) {
// filter __VLS_
result.items = result.items.filter(item =>
item.label.indexOf('__VLS_') === -1
&& (!item.labelDetails?.description || item.labelDetails.description.indexOf('__VLS_') === -1)
);
// handle component auto-import patch
let casing: Awaited<ReturnType<typeof getNameCasing>> | undefined;
for (const [_, map] of _context.documents.getMapsByVirtualFileUri(document.uri)) {
const virtualFile = _context.documents.getSourceByUri(map.sourceFileDocument.uri)?.root;
if (virtualFile instanceof vue.VueFile) {
const isAutoImport = !!map.toSourcePosition(position, data => typeof data.completion === 'object' && !!data.completion.autoImportOnly);
if (isAutoImport) {
const source = _context.documents.getVirtualFileByUri(document.uri)[1];
for (const item of result.items) {
item.data.__isComponentAutoImport = true;
}
// fix #2458
if (source) {
casing ??= await getNameCasing(ts, _context, _context.env.fileNameToUri(source.fileName), vueCompilerOptions);
if (casing.tag === TagNameCasing.Kebab) {
for (const item of result.items) {
item.filterText = hyphenate(item.filterText ?? item.label);
}
}
}
}
}
}
}
return result;
},
async resolveCompletionItem(item, token) {
item = await base.resolveCompletionItem?.(item, token) ?? item;
const itemData = item.data as { uri?: string; } | undefined;
let newName: string | undefined;
if (itemData?.uri && item.additionalTextEdits) {
patchAdditionalTextEdits(itemData.uri, item.additionalTextEdits);
}
for (const ext of vueCompilerOptions.extensions) {
const suffix = capitalize(ext.substring('.'.length)); // .vue -> Vue
if (
itemData?.uri
&& item.textEdit?.newText.endsWith(suffix)
&& item.additionalTextEdits?.length === 1 && item.additionalTextEdits[0].newText.indexOf('import ' + item.textEdit.newText + ' from ') >= 0
&& (await _context.env.getConfiguration?.<boolean>('vue.complete.normalizeComponentImportName') ?? true)
) {
newName = item.textEdit.newText.slice(0, -suffix.length);
newName = newName[0].toUpperCase() + newName.substring(1);
if (newName === 'Index') {
const tsItem = (item.data as Data).originalItem;
if (tsItem.source) {
const dirs = tsItem.source.split('/');
if (dirs.length >= 3) {
newName = dirs[dirs.length - 2];
newName = newName[0].toUpperCase() + newName.substring(1);
}
}
}
item.additionalTextEdits[0].newText = item.additionalTextEdits[0].newText.replace(
'import ' + item.textEdit.newText + ' from ',
'import ' + newName + ' from ',
);
item.textEdit.newText = newName;
const source = _context.documents.getVirtualFileByUri(itemData.uri)[1];
if (source) {
const casing = await getNameCasing(ts, _context, _context.env.fileNameToUri(source.fileName), vueCompilerOptions);
if (casing.tag === TagNameCasing.Kebab) {
item.textEdit.newText = hyphenate(item.textEdit.newText);
}
}
}
else if (item.textEdit?.newText && new RegExp(`import \\w*${suffix}\\$1 from [\\S\\s]*`).test(item.textEdit.newText)) {
// https://github.com/vuejs/language-tools/issues/2286
item.textEdit.newText = item.textEdit.newText.replace(`${suffix}$1`, '$1');
}
}
const data: Data = item.data;
if (item.data?.__isComponentAutoImport && data && item.additionalTextEdits?.length && item.textEdit) {
let transformed = false;
for (const [_, map] of _context.documents.getMapsByVirtualFileUri(data.uri)) {
const virtualFile = _context.documents.getSourceByUri(map.sourceFileDocument.uri)?.root;
if (virtualFile instanceof vue.VueFile) {
const sfc = virtualFile.sfc;
const componentName = newName ?? item.textEdit.newText;
const textDoc = _context.documents.getDocumentByFileName(virtualFile.snapshot, virtualFile.fileName);
if (sfc.scriptAst && sfc.script) {
const _scriptRanges = vue.scriptRanges.parseScriptRanges(ts, sfc.scriptAst, !!sfc.scriptSetup, true);
const exportDefault = _scriptRanges.exportDefault;
if (exportDefault) {
// https://github.com/microsoft/TypeScript/issues/36174
const printer = ts.createPrinter();
if (exportDefault.componentsOption && exportDefault.componentsOptionNode) {
const newNode: typeof exportDefault.componentsOptionNode = {
...exportDefault.componentsOptionNode,
properties: [
...exportDefault.componentsOptionNode.properties,
ts.factory.createShorthandPropertyAssignment(componentName),
] as any as ts.NodeArray<ts.ObjectLiteralElementLike>,
};
const printText = printer.printNode(ts.EmitHint.Expression, newNode, sfc.scriptAst);
const editRange: vscode.Range = {
start: textDoc.positionAt(sfc.script.startTagEnd + exportDefault.componentsOption.start),
end: textDoc.positionAt(sfc.script.startTagEnd + exportDefault.componentsOption.end),
};
transformed = true;
item.additionalTextEdits.push({
range: editRange,
newText: unescape(printText.replace(unicodeReg, '%u')),
});
}
else if (exportDefault.args && exportDefault.argsNode) {
const newNode: typeof exportDefault.argsNode = {
...exportDefault.argsNode,
properties: [
...exportDefault.argsNode.properties,
ts.factory.createShorthandPropertyAssignment(`components: { ${componentName} }`),
] as any as ts.NodeArray<ts.ObjectLiteralElementLike>,
};
const printText = printer.printNode(ts.EmitHint.Expression, newNode, sfc.scriptAst);
const editRange: vscode.Range = {
start: textDoc.positionAt(sfc.script.startTagEnd + exportDefault.args.start),
end: textDoc.positionAt(sfc.script.startTagEnd + exportDefault.args.end),
};
transformed = true;
item.additionalTextEdits.push({
range: editRange,
newText: unescape(printText.replace(unicodeReg, '%u')),
});
}
}
}
}
}
if (transformed) {
transformedItem.add(item);
}
}
return item;
},
async provideCodeActions(document, range, context, token) {
const result = await base.provideCodeActions?.(document, range, context, token);
return result?.filter(codeAction => codeAction.title.indexOf('__VLS_') === -1);
},
async resolveCodeAction(item, token) {
const result = await base.resolveCodeAction?.(item, token) ?? item;
if (result?.edit?.changes) {
for (const uri in result.edit.changes) {
const edits = result.edit.changes[uri];
if (edits) {
patchAdditionalTextEdits(uri, edits);
}
}
}
if (result?.edit?.documentChanges) {
for (const documentChange of result.edit.documentChanges) {
if ('textDocument' in documentChange) {
patchAdditionalTextEdits(documentChange.textDocument.uri, documentChange.edits);
}
}
}
return result;
},
};
};
services.html ??= createVueTemplateLanguageService({
baseService: createHtmlService(),
getScanner: (htmlService, document): html.Scanner | undefined => {
return htmlService.provide['html/languageService']().createScanner(document.getText());
},
updateCustomData(htmlService, extraData) {
htmlService.provide['html/updateCustomData'](extraData);
},
isSupportedDocument: (document) => document.languageId === 'html',
vueCompilerOptions,
});
services.pug ??= createVueTemplateLanguageService({
baseService: createPugService(),
getScanner: (pugService, document): html.Scanner | undefined => {
const pugDocument = pugService.provide['pug/pugDocument'](document);
if (pugDocument) {
return pugService.provide['pug/languageService']().createScanner(pugDocument);
}
},
updateCustomData(pugService, extraData) {
pugService.provide['pug/updateCustomData'](extraData);
},
isSupportedDocument: (document) => document.languageId === 'jade',
vueCompilerOptions,
});
services.vue ??= createVueService();
services.css ??= createCssService();
services['pug-beautify'] ??= createPugFormatService();
services.json ??= createJsonService();
services['typescript/twoslash-queries'] ??= createTsTqService();
services['vue/referencesCodeLens'] ??= createReferencesCodeLensService();
services['vue/autoInsertDotValue'] ??= createAutoDotValueService();
services['vue/twoslash-queries'] ??= createVueTqService();
services['vue/autoInsertParentheses'] ??= createAutoWrapParenthesesService();
services['vue/autoInsertSpaces'] ??= createAutoAddSpaceService();
services['vue/visualizeHiddenCallbackParam'] ??= createVisualizeHiddenCallbackParamService();
services['vue/directiveComments'] ??= createDirectiveCommentsService();
services.emmet ??= createEmmetService();
return services;
}
// fix https://github.com/vuejs/language-tools/issues/916
function patchAdditionalTextEdits(uri: string, edits: vscode.TextEdit[]) {
if (
uri.endsWith('.vue.js')
|| uri.endsWith('.vue.ts')
|| uri.endsWith('.vue.jsx')
|| uri.endsWith('.vue.tsx')
) {
for (const edit of edits) {
if (
edit.range.start.line === 0
&& edit.range.start.character === 0
&& edit.range.end.line === 0
&& edit.range.end.character === 0
) {
edit.newText = '\n' + edit.newText;
}
}
}
}