constructor: Add backwards compatibility with file-system-cache ns option

index.mjs

@@ -10,7 +10,7 @@ export default class FSCache {
     this.fsPromises = fsPromises || fsPromisesOriginal
 
     this.id = crypto.randomBytes(15).toString('base64').replace(/\//g, '-')
-    this.prefix = options.prefix ? options.prefix + '-' : '-'
+    this.prefix = (options.ns || options.prefix || '') + '-'
     this.hash_alg = options.hash_alg || 'md5'
     this.cache_dir = options.cache_dir || path.join(os.tmpdir(), this.id)
     this.ttl = options.ttl || 0

package.json

@@ -1,6 +1,6 @@
 {
   "name": "fs-cache-fast",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "Cache stored on the file system",
   "main": "index.mjs",
   "scripts": {

test/fscache.test.mjs

@@ -61,6 +61,16 @@ t.describe('#constructor()', function() {
     assert.strictEqual(cache.ttl, assertTtl)
   })
 
+  t.test('supports alternative way of specifying prefix', function() {
+    const assertPrefix = 'blablabutmore'
+
+    let cache = createCache({
+      ns: assertPrefix,
+    })
+
+    assert.strictEqual(cache.prefix, assertPrefix + '-')
+  })
+
   t.test('should create the directory by default', function() {
     assert.notOk(fsSync.mkdirSync.called)
     let cache = createCache({})