system_assignation/node_modules/get-folder-size/index.js

67 lines
1.3 KiB
JavaScript

'use strict';
const fs = require('fs');
const path = require('path');
const eachAsync = require('tiny-each-async');
function readSizeRecursive(seen, item, ignoreRegEx, callback) {
let cb;
let ignoreRegExp;
if (!callback) {
cb = ignoreRegEx;
ignoreRegExp = null;
} else {
cb = callback;
ignoreRegExp = ignoreRegEx;
}
fs.lstat(item, function lstat(e, stats) {
let total = !e ? (stats.size || 0) : 0;
if (stats) {
if (seen.has(stats.ino)) { return cb(null, 0); }
seen.add(stats.ino);
}
if (!e && stats.isDirectory()) {
fs.readdir(item, (err, list) => {
if (err) { return cb(err); }
eachAsync(
list,
5000,
(dirItem, next) => {
readSizeRecursive(
seen,
path.join(item, dirItem),
ignoreRegExp,
(error, size) => {
if (!error) { total += size; }
next(error);
}
);
},
(finalErr) => {
cb(finalErr, total);
}
);
});
} else {
if (ignoreRegExp && ignoreRegExp.test(item)) {
total = 0;
}
cb(e, total);
}
});
}
module.exports = (...args) => {
args.unshift(new Set());
return readSizeRecursive(...args);
};