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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 | 65x 65x 65x 6526x 6526x 84799x 6526x 6526x 6526x 6526x 6526x 6526x 6526x 6526x 6526x 6526x 6526x 6526x 6526x 6526x 6526x 6526x 6526x 3x 3x 3x 3x 3x 6526x 6526x 6526x 6526x 6173x 4062x 2067x 4x 4x 36x 65x | import { Node } from '../node';
import { constants } from '../constants';
const { S_IFMT, S_IFDIR, S_IFREG, S_IFBLK, S_IFCHR, S_IFLNK, S_IFIFO, S_IFSOCK } = constants;
export type TStatNumber = number | bigint;
/**
* Statistics about a file/directory, like `fs.Stats`.
*/
export class Stats<T = TStatNumber> {
static build(node: Node, bigint: false): Stats<number>;
static build(node: Node, bigint: true): Stats<bigint>;
static build(node: Node, bigint?: boolean): Stats<TStatNumber>;
static build(node: Node, bigint: boolean = false): Stats<TStatNumber> {
const stats = new Stats<TStatNumber>();
const { uid, gid, atime, mtime, ctime } = node;
const getStatNumber = !bigint ? number => number : number => BigInt(number);
// Copy all values on Stats from Node, so that if Node values
// change, values on Stats would still be the old ones,
// just like in Node fs.
stats.uid = getStatNumber(uid);
stats.gid = getStatNumber(gid);
stats.rdev = getStatNumber(node.rdev);
stats.blksize = getStatNumber(4096);
stats.ino = getStatNumber(node.ino);
stats.size = getStatNumber(node.getSize());
stats.blocks = getStatNumber(1);
stats.atime = atime;
stats.mtime = mtime;
stats.ctime = ctime;
stats.birthtime = ctime;
stats.atimeMs = getStatNumber(atime.getTime());
stats.mtimeMs = getStatNumber(mtime.getTime());
const ctimeMs = getStatNumber(ctime.getTime());
stats.ctimeMs = ctimeMs;
stats.birthtimeMs = ctimeMs;
if (bigint) {
stats.atimeNs = BigInt(atime.getTime()) * BigInt(1000000);
stats.mtimeNs = BigInt(mtime.getTime()) * BigInt(1000000);
const ctimeNs = BigInt(ctime.getTime()) * BigInt(1000000);
stats.ctimeNs = ctimeNs;
stats.birthtimeNs = ctimeNs;
}
stats.dev = getStatNumber(0);
stats.mode = getStatNumber(node.mode);
stats.nlink = getStatNumber(node.nlink);
return stats;
}
uid: T;
gid: T;
rdev: T;
blksize: T;
ino: T;
size: T;
blocks: T;
atime: Date;
mtime: Date;
ctime: Date;
birthtime: Date;
atimeMs: T;
mtimeMs: T;
ctimeMs: T;
birthtimeMs: T;
// additional properties that exist when bigint is true
atimeNs: T extends bigint ? T : undefined;
mtimeNs: T extends bigint ? T : undefined;
ctimeNs: T extends bigint ? T : undefined;
birthtimeNs: T extends bigint ? T : undefined;
dev: T;
mode: T;
nlink: T;
private _checkModeProperty(property: number): boolean {
return (Number(this.mode) & S_IFMT) === property;
}
isDirectory(): boolean {
return this._checkModeProperty(S_IFDIR);
}
isFile(): boolean {
return this._checkModeProperty(S_IFREG);
}
isBlockDevice(): boolean {
return this._checkModeProperty(S_IFBLK);
}
isCharacterDevice(): boolean {
return this._checkModeProperty(S_IFCHR);
}
isSymbolicLink(): boolean {
return this._checkModeProperty(S_IFLNK);
}
isFIFO(): boolean {
return this._checkModeProperty(S_IFIFO);
}
isSocket(): boolean {
return this._checkModeProperty(S_IFSOCK);
}
}
export default Stats;
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