securityos/node_modules/@cowasm/memfs/lib/Stats.js

66 lines
2.2 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Stats = void 0;
const constants_1 = require("./constants");
const getBigInt_1 = require("./getBigInt");
const { S_IFMT, S_IFDIR, S_IFREG, S_IFBLK, S_IFCHR, S_IFLNK, S_IFIFO, S_IFSOCK, } = constants_1.constants;
/**
* Statistics about a file/directory, like `fs.Stats`.
*/
class Stats {
static build(node, bigint = false) {
const stats = new Stats();
const { uid, gid, atime, mtime, ctime } = node;
const getStatNumber = !bigint ? (number) => number : getBigInt_1.default;
// 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(0);
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;
stats.dev = getStatNumber(0);
stats.mode = getStatNumber(node.mode);
stats.nlink = getStatNumber(node.nlink);
return stats;
}
_checkModeProperty(property) {
return (Number(this.mode) & S_IFMT) === property;
}
isDirectory() {
return this._checkModeProperty(S_IFDIR);
}
isFile() {
return this._checkModeProperty(S_IFREG);
}
isBlockDevice() {
return this._checkModeProperty(S_IFBLK);
}
isCharacterDevice() {
return this._checkModeProperty(S_IFCHR);
}
isSymbolicLink() {
return this._checkModeProperty(S_IFLNK);
}
isFIFO() {
return this._checkModeProperty(S_IFIFO);
}
isSocket() {
return this._checkModeProperty(S_IFSOCK);
}
}
exports.Stats = Stats;
exports.default = Stats;