52 lines
1.4 KiB
JavaScript
52 lines
1.4 KiB
JavaScript
const fs = require('fs')
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const { join: joinPaths } = require('path')
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const { getContentType, getStats, getFileType } = require('./FileUtils')
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const getEntries = (baseDir, path, maximumDepth) =>
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new Promise((resolve, reject) => {
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fs.readdir(joinPaths(baseDir, path), (error, files) => {
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if (error) {
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reject(error)
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} else {
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resolve(
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Promise.all(
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files.map(f => getStats(joinPaths(baseDir, path, f)))
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).then(
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statsArray => Promise.all(statsArray.map(
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(stats, index) => getMetadata(baseDir, joinPaths(path, files[index]), stats, maximumDepth - 1)
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))
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)
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)
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}
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})
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})
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const formatTime = (time) =>
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new Date(time).toISOString()
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const getMetadata = (baseDir, path, stats, maximumDepth) => {
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const metadata = {
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path,
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lastModified: formatTime(stats.mtime),
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contentType: getContentType(path),
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size: stats.size,
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type: getFileType(stats)
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}
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if (!stats.isDirectory() || maximumDepth === 0)
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return Promise.resolve(metadata)
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return getEntries(baseDir, path, maximumDepth).then(files => {
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metadata.files = files
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return metadata
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})
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}
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const generateMetadata = (baseDir, path, stats, maximumDepth, callback) =>
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getMetadata(baseDir, path, stats, maximumDepth)
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.then(metadata => callback(null, metadata), callback)
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module.exports = {
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generateMetadata
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}
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