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index.ts
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137 lines (135 loc) · 3.93 KB
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import {
createLanguage,
FileMap,
forEachEmbeddedCode,
isDiagnosticsEnabled,
type LanguagePlugin,
type SourceScript,
type VirtualCode,
} from '@volar/language-core';
import type { Linter } from 'eslint';
import { TextDocument } from 'vscode-languageserver-textdocument';
const windowsPath = /\\/g;
export function createProcessor(
languagePlugins: LanguagePlugin<string>[],
caseSensitive: boolean,
extensionsMap: Record<string, string> = {
'javascript': '.js',
'typescript': '.ts',
'javascriptreact': '.jsx',
'typescriptreact': '.tsx',
'css': '.css',
'less': '.less',
'scss': '.scss',
'sass': '.sass',
'postcss': '.pcss',
'stylus': '.styl',
'html': '.html',
'pug': '.pug',
'json': '.json',
'jsonc': '.json',
'yaml': '.yaml',
'markdown': '.md',
},
supportsAutofix = true,
): Linter.Processor {
const language = createLanguage<string>(languagePlugins, new FileMap(caseSensitive), () => {});
const documents = new FileMap<{
sourceScript: SourceScript<string>;
sourceDocument: TextDocument;
embeddedDocuments: TextDocument[];
codes: VirtualCode[];
}>(caseSensitive);
return {
supportsAutofix,
preprocess(text, filename) {
filename = filename.replace(windowsPath, '/');
const files: Linter.ProcessorFile[] = [];
const sourceScript = language.scripts.set(filename, {
getLength() {
return text.length;
},
getText(start, end) {
return text.substring(start, end);
},
getChangeRange() {
return undefined;
},
});
if (sourceScript?.generated) {
const codes = [];
const embeddedDocuments = [];
for (const code of forEachEmbeddedCode(sourceScript.generated.root)) {
if (code.mappings.some(mapping => isDiagnosticsEnabled(mapping.data))) {
const ext = extensionsMap[code.languageId];
if (!ext) {
continue;
}
files.push({
filename: filename + ext,
text: code.snapshot.getText(0, code.snapshot.getLength()),
});
codes.push(code);
embeddedDocuments.push(
TextDocument.create(
filename + ext,
code.languageId,
0,
code.snapshot.getText(0, code.snapshot.getLength()),
),
);
}
}
documents.set(filename, {
sourceScript,
sourceDocument: TextDocument.create(filename, sourceScript.languageId, 0, text),
embeddedDocuments,
codes,
});
}
return files;
},
postprocess(messagesArr, filename) {
filename = filename.replace(windowsPath, '/');
const docs = documents.get(filename);
if (docs) {
const { sourceScript, codes, sourceDocument, embeddedDocuments } = docs;
for (let i = 0; i < messagesArr.length; i++) {
const code = codes[i];
const map = language.maps.get(code, sourceScript);
if (!map) {
messagesArr[i].length = 0;
continue;
}
const embeddedDocument = embeddedDocuments[i];
messagesArr[i] = messagesArr[i].filter(message => {
const start = embeddedDocument.offsetAt({ line: message.line - 1, character: message.column - 1 });
const end = embeddedDocument.offsetAt({
line: (message.endLine ?? message.line) - 1,
character: (message.endColumn ?? message.column) - 1,
});
for (const [sourceStart, mapping] of map.toSourceLocation(start)) {
if (isDiagnosticsEnabled(mapping.data)) {
for (const [sourceEnd, mapping] of map.toSourceLocation(end)) {
if (isDiagnosticsEnabled(mapping.data)) {
const sourcePosition = sourceDocument.positionAt(sourceStart);
const sourceEndPosition = sourceDocument.positionAt(sourceEnd);
message.line = sourcePosition.line + 1;
message.column = sourcePosition.character + 1;
message.endLine = sourceEndPosition.line + 1;
message.endColumn = sourceEndPosition.character + 1;
return true;
}
}
break;
}
}
return false;
});
}
return messagesArr.flat();
}
return [];
},
};
}