/
stylesheetExtra.ts
71 lines (54 loc) · 2.44 KB
/
stylesheetExtra.ts
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import * as shared from '@volar/shared';
import { TextRange } from '@volar/vue-code-gen/out/types';
import { EmbeddedFile } from '@volar/vue-typescript';
import type * as css from 'vscode-css-languageservice';
import { TextDocument } from 'vscode-languageserver-textdocument';
import type useCssPlugin from './commonPlugins/css';
import { findClassNames } from './utils/cssClasses';
export function createStylesheetExtra(cssPlugin: ReturnType<typeof useCssPlugin>) {
const embeddedDocuments = new WeakMap<EmbeddedFile, TextDocument>();
const stylesheetClasses = new WeakMap<css.Stylesheet, Record<string, TextRange[]>>();
const embeddedDocumentVersions = new Map<string, number>();
return {
getCssClasses,
};
function getDocumentFromEmbeddedFile(embeddedFile: EmbeddedFile) {
let document = embeddedDocuments.get(embeddedFile);
if (!document) {
const uri = shared.fsPathToUri(embeddedFile.fileName);
const newVersion = (embeddedDocumentVersions.get(embeddedFile.lsType + ':' + uri.toLowerCase()) ?? 0) + 1;
embeddedDocumentVersions.set(embeddedFile.lsType + ':' + uri.toLowerCase(), newVersion);
document = TextDocument.create(
uri,
shared.syntaxToLanguageId(embeddedFile.lang),
newVersion,
embeddedFile.content,
);
embeddedDocuments.set(embeddedFile, document);
}
return document;
}
function getCssClasses(embeddedFile: EmbeddedFile) {
const document = getDocumentFromEmbeddedFile(embeddedFile);
let classes = stylesheetClasses.get(document);
if (!classes) {
classes = {};
const stylesheet = cssPlugin.getStylesheet?.(document);
const cssLs = cssPlugin.getCssLs?.(document.languageId);
if (stylesheet && cssLs) {
const classNames = findClassNames(document, stylesheet, cssLs);
for (const className in classNames) {
const offsets = classNames[className];
for (const offset of offsets) {
if (!classes[className]) {
classes[className] = [];
}
classes[className]!.push(offset);
}
}
}
stylesheetClasses.set(document, classes);
}
return classes;
}
}