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38 lines
1.0 KiB
JavaScript
38 lines
1.0 KiB
JavaScript
/*
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--------------------------------------------------------------------------------
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Returns all albums that a file should belong to,
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based on the --albums-from array of patterns provided
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--------------------------------------------------------------------------------
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*/
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const path = require('node:path')
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const _ = require('lodash')
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const albumPattern = require('./album-pattern')
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class AlbumMapper {
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constructor (patterns, opts) {
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const defaulted = (patterns && patterns.length > 0) ? patterns : ['%path']
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this.patterns = defaulted.map(p => load(p, opts))
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}
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getAlbums (file) {
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return _.flatMap(this.patterns, pattern => pattern(file))
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}
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}
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function load (pattern, opts) {
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// custom mapper file
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if (typeof pattern === 'string' && pattern.startsWith('file://')) {
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const filepath = pattern.slice('file://'.length)
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return require(path.resolve(filepath))
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}
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// string pattern
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if (typeof pattern === 'string') {
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return albumPattern.create(pattern, opts)
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}
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// already a function
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return pattern
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}
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module.exports = AlbumMapper
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