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62 lines
3.0 KiB
JavaScript
62 lines
3.0 KiB
JavaScript
const path = require('path')
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const URL = require('url').URL
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const url = require('./url')
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const BROWSER_SUPPORTED_EXT = /(jpg|jpeg|png|gif)$/i
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exports.folders = function (filepath, rel, options = {}) {
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const dir = path.dirname(filepath)
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const name = path.basename(filepath, path.extname(filepath))
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const ext = path.extname(filepath).substr(1)
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const photoExt = photoExtension(filepath)
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const videoExt = options.videoFormat || 'mp4'
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switch (rel) {
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case 'photo:thumbnail': return path.normalize(`media/thumbs/${dir}/${name}.${photoExt}`)
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case 'photo:small': return path.normalize(`media/small/${dir}/${name}.${photoExt}`)
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case 'photo:large': return path.normalize(`media/large/${dir}/${name}.${photoExt}`)
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case 'video:thumbnail': return path.normalize(`media/thumbs/${dir}/${name}.jpg`)
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case 'video:small': return path.normalize(`media/small/${dir}/${name}.jpg`)
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case 'video:poster': return path.normalize(`media/large/${dir}/${name}.jpg`)
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case 'video:resized': return path.normalize(`media/large/${dir}/${name}.${videoExt}`)
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case 'fs:copy': return path.normalize(`media/original/${dir}/${name}.${ext}`)
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case 'fs:symlink': return path.normalize(`media/original/${dir}/${name}.${ext}`)
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case 'fs:link': return join(options.linkPrefix, filepath)
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default: throw new Error(`Invalid relationship: ${rel}`)
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}
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}
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exports.suffix = function (filepath, rel, options = {}) {
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const dir = path.dirname(filepath)
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const name = path.basename(filepath, path.extname(filepath))
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const ext = path.extname(filepath).substr(1)
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const photoExt = photoExtension(filepath)
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const videoExt = options.videoFormat || 'mp4'
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switch (rel) {
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case 'photo:thumbnail': return path.normalize(`media/${dir}/${name}_${ext}_thumb.${photoExt}`)
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case 'photo:small': return path.normalize(`media/${dir}/${name}_${ext}_small.${photoExt}`)
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case 'photo:large': return path.normalize(`media/${dir}/${name}_${ext}_large.${photoExt}`)
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case 'video:thumbnail': return path.normalize(`media/${dir}/${name}_${ext}_thumb.jpg`)
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case 'video:small': return path.normalize(`media/${dir}/${name}_${ext}_small.jpg`)
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case 'video:poster': return path.normalize(`media/${dir}/${name}_${ext}_poster.jpg`)
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case 'video:resized': return path.normalize(`media/${dir}/${name}_${ext}_large.${videoExt}`)
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case 'fs:copy': return path.normalize(`media/${dir}/${name}.${ext}`)
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case 'fs:symlink': return path.normalize(`media/${dir}/${name}.${ext}`)
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case 'fs:link': return join(options.linkPrefix, filepath)
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default: throw new Error(`Invalid relationship: ${rel}`)
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}
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}
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function photoExtension (filepath) {
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const extension = path.extname(filepath).substr(1)
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return extension.match(BROWSER_SUPPORTED_EXT) ? extension : 'jpg'
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}
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function join (prefix, filepath) {
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if (prefix.match(/^(http|https|file):\/\//)) {
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const safePrefix = prefix.endsWith('/') ? prefix : (prefix + '/')
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return new URL(url.fromPath(filepath), safePrefix).href
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} else {
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return path.join(prefix, filepath)
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}
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}
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