41 lines
971 B
JavaScript
41 lines
971 B
JavaScript
"use strict";
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const fs = require('../fs');
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const {
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join
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} = require('path');
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const Bluebird = require('bluebird');
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/**
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* Get the size of a folder or a file.
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*
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* This function returns the actual file size of the folder (size), not the allocated space on disk (size on disk).
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* For more details between the difference, check this link:
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* https://www.howtogeek.com/180369/why-is-there-a-big-difference-between-size-and-size-on-disk/
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*
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* @param {string} path path to the file or the folder.
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*/
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async function getSize(path) {
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const stat = await fs.lstat(path);
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if (stat.isDirectory()) {
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const list = await fs.readdir(path);
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return Bluebird.resolve(list).reduce(async (prev, curr) => {
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const currPath = join(path, curr);
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const s = await fs.lstat(currPath);
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if (s.isDirectory()) {
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return prev + (await getSize(currPath));
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}
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return prev + s.size;
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}, 0);
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}
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return stat.size;
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}
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module.exports = getSize; |