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- 'use strict'
- const contentVer = require('../../package.json')['cache-version'].content
- const hashToSegments = require('../util/hash-to-segments')
- const path = require('path')
- const ssri = require('ssri')
- // Current format of content file path:
- //
- // sha512-BaSE64Hex= ->
- // ~/.my-cache/content-v2/sha512/ba/da/55deadbeefc0ffee
- //
- module.exports = contentPath
- function contentPath (cache, integrity) {
- const sri = ssri.parse(integrity, { single: true })
- // contentPath is the *strongest* algo given
- return path.join.apply(path, [
- contentDir(cache),
- sri.algorithm
- ].concat(hashToSegments(sri.hexDigest())))
- }
- module.exports._contentDir = contentDir
- function contentDir (cache) {
- return path.join(cache, `content-v${contentVer}`)
- }
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