feat(integrity): add .isIntegrity and .isIntegrityMetadata

npm · Apr 3, 2017 · 1b29e6f · 1b29e6f
1 parent 17e9dd4
commit 1b29e6f
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Showing 2 changed files with 12 additions and 0 deletions.
diff --git a/index.js b/index.js
@@ -11,6 +11,7 @@ const STRICT_SRI_REGEX = /^([^-]+)-([A-Za-z0-9+/]+(?:=?=?))([?\x21-\x7E]*)$/
 const VCHAR_REGEX = /^[\x21-\x7E]+$/
 
 class IntegrityMetadata {
+  get isIntegrityMetadata () { return true }
   constructor (metadata, opts) {
     const strict = !!(opts && opts.strict)
     this.source = metadata.trim()
@@ -65,6 +66,7 @@ class IntegrityMetadata {
 }
 
 class Integrity {
+  get isIntegrity () { return true }
   toString (opts) {
     opts = opts || {}
     let sep = opts.sep || ' '

diff --git a/test/integrity.js b/test/integrity.js
@@ -92,6 +92,16 @@ test('IntegrityMetadata.hexDigest()', t => {
   t.done()
 })
 
+test('isIntegrity and isIntegrityMetadata', t => {
+  const sri = ssri.parse('sha512-bar')
+  t.ok(sri.isIntegrity, 'full sri has !!.isIntegrity')
+  t.ok(
+    sri['sha512'][0].isIntegrityMetadata,
+    'sri hash has !!.isIntegrityMetadata'
+  )
+  t.done()
+})
+
 test('semi-private', t => {
   t.equal(ssri.Integrity, undefined, 'Integrity class is module-private.')
   t.done()