vite-esbuild-typescript-checker/dist/esm/system.js

* Speeds up [TypeScript](https://github.com/Microsoft/TypeScript) type checking * Supports [Vue Single File Component](https://vuejs.org/v2/guide/single-file-components.html) * Displays nice error messages with the [code frame](https://babeljs.io/docs/en/

import ts from 'typescript';
import { ufs } from 'unionfs';
import { fs as memfs } from 'memfs';
import realFS from 'fs';
import { dirname } from 'path';
import { system } from './system_new.js';
function createPartialMemoryBackedSystem() {
    // @ts-ignore
    const unionfs = ufs.use(memfs).use(realFS);
    return {
        ...ts.sys,
        createDirectory (path) {
            memfs.mkdirSync(path);
        },
        deleteFile (path) {
            if (memfs.existsSync(path)) memfs.unlinkSync(path);
        },
        directoryExists (path) {
            return unionfs.existsSync(path);
        },
        fileExists (path) {
            return unionfs.existsSync(path);
        },
        getDirectories (path) {
            return unionfs.readdirSync(path, {
                encoding: 'utf-8',
                withFileTypes: false
            });
        },
        getModifiedTime (path) {
            if (!unionfs.existsSync(path)) return undefined;
            const stat = unionfs.statSync(path);
            return stat.mtime;
        },
        getFileSize (path) {
            if (!unionfs.existsSync(path)) return 0;
            const stat = unionfs.statSync(path);
            return stat.size;
        },
        readFile (path, encoding = 'utf-8') {
            if (path.endsWith('main.ts')) {
                console.log(path);
            }
            if (!unionfs.existsSync(path)) return undefined;
            return unionfs.readFileSync(path, {
                encoding: encoding
            });
        },
        setModifiedTime (path, time) {
            memfs.utimesSync(path, time, time);
        },
        writeFile (path, data, writeBOM) {
            memfs.mkdirpSync(dirname(path));
            memfs.writeFileSync(path, writeBOM ? '\ufeff' + data : data);
        }
    };
}
export function getSystem() {
    // return createPartialMemoryBackedSystem();
    return system;
}