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