| '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}`) |
| } |
