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vue-sfc.ts
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vue-sfc.ts
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import type { LanguageServicePlugin, LanguageServicePluginInstance } from '@volar/language-service';
import * as vue from '@vue/language-core';
import { create as createHtmlService } from 'volar-service-html';
import * as html from 'vscode-html-languageservice';
import type * as vscode from 'vscode-languageserver-protocol';
import type { TextDocument } from 'vscode-languageserver-textdocument';
import { loadLanguageBlocks } from './data';
let sfcDataProvider: html.IHTMLDataProvider | undefined;
export interface Provide {
'vue/vueFile': (document: TextDocument) => vue.VueGeneratedCode | undefined;
}
export function create(): LanguageServicePlugin {
return {
name: 'vue-sfc',
create(context): LanguageServicePluginInstance<Provide> {
const htmlPlugin = createHtmlService({
documentSelector: ['vue'],
useDefaultDataProvider: false,
getCustomData(context) {
sfcDataProvider ??= html.newHTMLDataProvider('vue', loadLanguageBlocks(context.env.locale ?? 'en'));
return [sfcDataProvider];
},
async getFormattingOptions(document, options, context) {
return await worker(document, async vueCode => {
const formatSettings = await context.env.getConfiguration?.<html.HTMLFormatConfiguration>('html.format') ?? {};
const blockTypes = ['template', 'script', 'style'];
for (const customBlock of vueCode.sfc.customBlocks) {
blockTypes.push(customBlock.type);
}
return {
...options,
...formatSettings,
wrapAttributes: 'auto',
unformatted: '',
contentUnformatted: blockTypes.join(','),
endWithNewline: options.insertFinalNewline ? true
: options.trimFinalNewlines ? false
: document.getText().endsWith('\n'),
};
}) ?? {};
},
}).create(context);
return {
...htmlPlugin,
provide: {
'vue/vueFile': document => {
return worker(document, vueFile => {
return vueFile;
});
},
},
async resolveEmbeddedCodeFormattingOptions(sourceScript, virtualCode, options) {
if (sourceScript.generated?.root instanceof vue.VueGeneratedCode) {
if (virtualCode.id === 'scriptFormat' || virtualCode.id === 'scriptSetupFormat') {
if (await context.env.getConfiguration?.('vue.format.script.initialIndent') ?? false) {
options.initialIndentLevel++;
}
}
else if (virtualCode.id.startsWith('style_')) {
if (await context.env.getConfiguration?.('vue.format.style.initialIndent') ?? false) {
options.initialIndentLevel++;
}
}
else if (virtualCode.id === 'template') {
if (await context.env.getConfiguration?.('vue.format.template.initialIndent') ?? true) {
options.initialIndentLevel++;
}
}
}
return options;
},
provideDocumentLinks: undefined,
provideDocumentSymbols(document) {
return worker(document, vueSourceFile => {
const result: vscode.DocumentSymbol[] = [];
const descriptor = vueSourceFile.sfc;
if (descriptor.template) {
result.push({
name: 'template',
kind: 2 satisfies typeof vscode.SymbolKind.Module,
range: {
start: document.positionAt(descriptor.template.start),
end: document.positionAt(descriptor.template.end),
},
selectionRange: {
start: document.positionAt(descriptor.template.start),
end: document.positionAt(descriptor.template.startTagEnd),
},
});
}
if (descriptor.script) {
result.push({
name: 'script',
kind: 2 satisfies typeof vscode.SymbolKind.Module,
range: {
start: document.positionAt(descriptor.script.start),
end: document.positionAt(descriptor.script.end),
},
selectionRange: {
start: document.positionAt(descriptor.script.start),
end: document.positionAt(descriptor.script.startTagEnd),
},
});
}
if (descriptor.scriptSetup) {
result.push({
name: 'script setup',
kind: 2 satisfies typeof vscode.SymbolKind.Module,
range: {
start: document.positionAt(descriptor.scriptSetup.start),
end: document.positionAt(descriptor.scriptSetup.end),
},
selectionRange: {
start: document.positionAt(descriptor.scriptSetup.start),
end: document.positionAt(descriptor.scriptSetup.startTagEnd),
},
});
}
for (const style of descriptor.styles) {
let name = 'style';
if (style.scoped) {
name += ' scoped';
}
if (style.module) {
name += ' module';
}
result.push({
name,
kind: 2 satisfies typeof vscode.SymbolKind.Module,
range: {
start: document.positionAt(style.start),
end: document.positionAt(style.end),
},
selectionRange: {
start: document.positionAt(style.start),
end: document.positionAt(style.startTagEnd),
},
});
}
for (const customBlock of descriptor.customBlocks) {
result.push({
name: `${customBlock.type}`,
kind: 2 satisfies typeof vscode.SymbolKind.Module,
range: {
start: document.positionAt(customBlock.start),
end: document.positionAt(customBlock.end),
},
selectionRange: {
start: document.positionAt(customBlock.start),
end: document.positionAt(customBlock.startTagEnd),
},
});
}
return result;
});
},
};
function worker<T>(document: TextDocument, callback: (vueSourceFile: vue.VueGeneratedCode) => T) {
const decoded = context.decodeEmbeddedDocumentUri(document.uri);
const sourceScript = decoded && context.language.scripts.get(decoded[0]);
const virtualCode = decoded && sourceScript?.generated?.embeddedCodes.get(decoded[1]);
if (virtualCode instanceof vue.VueGeneratedCode) {
return callback(virtualCode);
}
}
},
};
}