WIP - add extractor, generate snippet_data

node_modules/cacache/lib/content/path.js

@@ -0,0 +1,26 @@
+'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}`)
+}