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fix(language-core): avoid vue-tsc crash during single file checks #5768

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Merged
KazariEX merged 3 commits into from
Nov 22, 2025
Merged

fix(language-core): avoid vue-tsc crash during single file checks #5768

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573b5d1
fix: avoid `vue-tsc` crash during single file checks
KazariEX Nov 22, 2025
9739364
fix: types
KazariEX Nov 22, 2025
451c18a
refactor: rename
KazariEX Nov 22, 2025
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149 changes: 67 additions & 82 deletions 149 packages/language-core/lib/compilerOptions.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -5,104 +5,89 @@ import { generateGlobalTypes, getGlobalTypesFileName } from './codegen/globalTyp
import type { RawVueCompilerOptions, VueCompilerOptions, VueLanguagePlugin } from './types';
import { hyphenateTag } from './utils/shared';

interface ParseConfigHost extends Omit<ts.ParseConfigHost, 'readDirectory'> {}

export interface ParsedCommandLine extends Omit<ts.ParsedCommandLine, 'fileNames'> {
vueOptions: VueCompilerOptions;
}

export function createParsedCommandLineByJson(
ts: typeof import('typescript'),
host: ParseConfigHost,
rootDir: string,
json: any,
configFileName?: string,
): ParsedCommandLine {
const extendedPaths = new Set<string>();
const proxyHost = {
...host,
readFile(fileName: string) {
if (!fileName.endsWith('/package.json')) {
extendedPaths.add(fileName);
}
return host.readFile(fileName);
},
readDirectory() {
return [];
},
};
const parsed = ts.parseJsonConfigFileContent(json, proxyHost, rootDir, {}, configFileName);
const resolver = new CompilerOptionsResolver(host.fileExists);

for (const extendPath of [...extendedPaths].reverse()) {
try {
const configFile = ts.readJsonConfigFile(extendPath, host.readFile);
const obj = ts.convertToObject(configFile, []);
const rawOptions: RawVueCompilerOptions = obj?.vueCompilerOptions ?? {};
resolver.addConfig(rawOptions, path.dirname(configFile.fileName));
}
catch {}
}

// ensure the rootDir is added to the config roots
resolver.addConfig({}, rootDir);

return {
...parsed,
vueOptions: resolver.build(),
};
}
export const createParsedCommandLineByJson = create(
(ts, host, rootDir: string, json: any, configFileName?: string) => {
// `parseJsonConfigFileContent` is missing in tsc
return 'parseJsonConfigFileContent' in (ts as any)
? ts.parseJsonConfigFileContent(json, host, rootDir, {}, configFileName)
: ts.parseJsonSourceFileConfigFileContent(
ts.parseJsonText(configFileName ?? 'tsconfig.json', JSON.stringify(json)),
host,
rootDir,
{},
configFileName,
);
},
);

export function createParsedCommandLine(
ts: typeof import('typescript'),
host: ParseConfigHost,
configFileName: string,
): ParsedCommandLine {
try {
const extendedPaths = new Set<string>();
const proxyHost = {
...host,
readFile(fileName: string) {
if (!fileName.endsWith('/package.json')) {
extendedPaths.add(fileName);
}
return host.readFile(fileName);
},
readDirectory() {
return [];
},
};
const config = ts.readJsonConfigFile(configFileName, proxyHost.readFile);
const parsed = ts.parseJsonSourceFileConfigFileContent(
export const createParsedCommandLine = create(
(ts, host, configFileName: string) => {
const config = ts.readJsonConfigFile(configFileName, host.readFile);
return ts.parseJsonSourceFileConfigFileContent(
config,
proxyHost,
host,
path.dirname(configFileName),
{},
configFileName,
);
const resolver = new CompilerOptionsResolver(host.fileExists);
},
);

for (const extendPath of [...extendedPaths].reverse()) {
try {
const configFile = ts.readJsonConfigFile(extendPath, host.readFile);
const obj = ts.convertToObject(configFile, []);
const rawOptions: RawVueCompilerOptions = obj?.vueCompilerOptions ?? {};
resolver.addConfig(rawOptions, path.dirname(configFile.fileName));
function create<T extends any[]>(
getParsedCommandLine: (
ts: typeof import('typescript'),
host: ts.ParseConfigHost,
...args: T
) => ts.ParsedCommandLine,
) {
return (
ts: typeof import('typescript'),
host: Omit<ts.ParseConfigHost, 'readDirectory'>,
...args: T
): ParsedCommandLine => {
try {
const extendedPaths = new Set<string>();
const proxyHost = {
...host,
readFile(fileName: string) {
if (!fileName.endsWith('/package.json')) {
extendedPaths.add(fileName);
}
return host.readFile(fileName);
},
readDirectory() {
return [];
},
};
const parsed = getParsedCommandLine(ts, proxyHost, ...args);

const resolver = new CompilerOptionsResolver(host.fileExists);
for (const extendPath of [...extendedPaths].reverse()) {
try {
const configFile = ts.readJsonConfigFile(extendPath, host.readFile);
const obj = ts.convertToObject(configFile, []);
const rawOptions: RawVueCompilerOptions = obj?.vueCompilerOptions ?? {};
resolver.addConfig(rawOptions, path.dirname(configFile.fileName));
}
catch {}
}
catch {}

return {
...parsed,
vueOptions: resolver.build(),
};
}
catch {}

return {
...parsed,
vueOptions: resolver.build(),
options: {},
errors: [],
vueOptions: getDefaultCompilerOptions(),
};
}
catch {}

return {
options: {},
errors: [],
vueOptions: getDefaultCompilerOptions(),
};
}

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