17 lines
692 B
JavaScript
17 lines
692 B
JavaScript
import memoize from 'lru-memoize'
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import { exec } from './util'
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const importantExif = [ 'Title', 'Artist', 'Band', 'Album', 'Year', 'Genre', 'Track'
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, 'Megapixels', 'ImageSize', 'Duration', 'VideoFrameRate', 'AudioBitrate'
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, 'PageCount' ]
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module.exports = memoize(path =>
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exec('exiftool', '-j', path)
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.then(r => JSON.parse(r.stdout)[0])
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.then(exif => Object.keys(exif)
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.filter(k => !/^(File|SourceFile|Directory|ExifTool|MIMEType|Picture$)/.test(k) && exif[k])
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.sort((a, b) => importantExif.includes(a) ? -1 : 1)
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.reduce((o, k) => (o[k]=exif[k], o), {}))
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.catch(_ => null) // drop errors, just return null
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, 100)
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