immediate-chunk-store - npm Package Compare versions

Comparing version 2.0.0 to 2.1.0

index.js

@@ -0,1 +1,4 @@
+// TODO: remove when window.queueMicrotask() is well supported
+const queueMicrotask = require('queue-microtask')
+
 class ImmediateStore {
@@ -24,9 +27,20 @@ constructor (store) {
 
-    const start = (opts && opts.offset) || 0
-    const end = opts && opts.length && (start + opts.length)
+    let memoryBuffer = this.mem[index]
 
-    const buf = this.mem[index]
-    if (buf) return nextTick(cb, null, opts ? buf.slice(start, end) : buf)
+    // if the chunk isn't in the immediate memory cache
+    if (!memoryBuffer) {
+      return this.store.get(index, opts, cb)
+    }
 
-    this.store.get(index, opts, cb)
+    if (opts) {
+      const start = opts.offset || 0
+      const end = opts.length ? (start + opts.length) : memoryBuffer.length
+
+      memoryBuffer = memoryBuffer.slice(start, end)
+    }
+
+    // queueMicrotask to ensure the function is async
+    queueMicrotask(() => {
+      if (cb) cb(null, memoryBuffer)
+    })
   }
@@ -43,8 +57,2 @@
 
-function nextTick (cb, err, val) {
-  process.nextTick(() => {
-    if (cb) cb(err, val)
-  })
-}
-
 module.exports = ImmediateStore

package.json

 {
   "name": "immediate-chunk-store",
   "description": "Immediate put/get for abstract-chunk-store compliant stores",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "author": {
@@ -13,6 +13,8 @@ "name": "Feross Aboukhadijeh",
   },
-  "dependencies": {},
+  "dependencies": {
+    "queue-microtask": "^1.1.2"
+  },
   "devDependencies": {
     "abstract-chunk-store": "^1.0.0",
-    "fs-chunk-store": "^1.3.0",
+    "fs-chunk-store": "^2.0.0",
     "memory-chunk-store": "^1.1.1",
@@ -19,0 +21,0 @@ "standard": "*",

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Improved metrics

Total package byte prevSize

5088

increased by6.04%

Lines of code

43

increased by16.22%

Worsened metrics

Dependency count

1

increased byInfinity%

Dependency changes

• + Addedqueue-microtask@^1.1.2

• + Addedqueue-microtask@1.2.3(transitive)