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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 | 4021x 402x 36755x 551x 2x 549x 1616x 86x 1530x 191x 29x 1x 49x 49x 49x 49x 49x 49x 49x 109x 96x 96x 30x 128x | /**
* NodeFileSystem
* Default implementation of IFileSystem using Node.js fs module.
*
* This is the production implementation used when no mock is injected.
*/
import {
readFileSync,
writeFileSync,
existsSync,
statSync,
mkdirSync,
readdirSync,
realpathSync,
renameSync,
unlinkSync,
mkdtempSync,
rmSync,
} from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import IFileSystem from "../../types/IFileSystem";
/**
* Node.js file system implementation
*/
class NodeFileSystem implements IFileSystem {
readFile(path: string): string {
return readFileSync(path, "utf-8");
}
writeFile(path: string, content: string): void {
writeFileSync(path, content, "utf-8");
}
exists(path: string): boolean {
return existsSync(path);
}
isDirectory(path: string): boolean {
if (!existsSync(path)) {
return false;
}
return statSync(path).isDirectory();
}
isFile(path: string): boolean {
if (!existsSync(path)) {
return false;
}
return statSync(path).isFile();
}
mkdir(path: string, options?: { recursive?: boolean }): void {
mkdirSync(path, options);
}
unlink(path: string): void {
unlinkSync(path);
}
rename(from: string, to: string): void {
renameSync(from, to);
}
async withTempFile<T>(
name: string,
content: string,
use: (path: string) => Promise<T>,
): Promise<T> {
const dir = mkdtempSync(join(tmpdir(), "cnext-"));
try {
const path = join(dir, name);
writeFileSync(path, content, "utf-8");
return await use(path);
} finally {
try {
rmSync(dir, { recursive: true, force: true });
} catch {
// A directory we cannot remove is left for the OS to reclaim.
}
}
}
readdir(path: string): string[] {
return readdirSync(path);
}
stat(path: string): { mtimeMs: number } {
const stats = statSync(path);
return { mtimeMs: stats.mtimeMs };
}
realpath(path: string): string {
return realpathSync(path);
}
/**
* Shared singleton instance for use across all modules. Built once, at
* module load: it holds no state, and #1452 box 4 forbids a reassignable
* static under a pass root, which the lazy slot it replaced was (#1444).
*/
static readonly instance = new NodeFileSystem();
}
export default NodeFileSystem;
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