cancelandholdattime-polyfill - npm Package Compare versions

Comparing version 1.9.0 to 1.10.0

dist/cancelandholdattime-polyfill.min.js

 // cancelandholdattime-polyfill - created by Lajos Meszaros <[e-mail]> - MIT licence - last built on 2019-04-02
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 //# sourceMappingURL=cancelandholdattime-polyfill.min.js.map

package.json

 {
   "title": "cancelAndHoldAtTime polyfill",
   "name": "cancelandholdattime-polyfill",
-  "version": "1.9.0",
+  "version": "1.10.0",
   "description": "Polyfill for AudioParam.prototype.cancelAndHoldAtTime()",
@@ -6,0 +6,0 @@ "main": "src/index.js",

src/helpers.js

 /* global BaseAudioContext, AudioContext, webkitAudioContext, AudioParam */
 
-import { isEmpty, prop, compose, not, clamp, isNil, reject, append, equals, lt, __, gte, either } from 'ramda'
+import { isEmpty, prop, compose, not, clamp, isNil, reject, append, equals, lt, __, gte, either, filter, both } from 'ramda'
 
@@ -8,8 +8,30 @@ const AudioContextClass = isNil(window.BaseAudioContext) ? (isNil(window.AudioContext) ? webkitAudioContext : AudioContext) : BaseAudioContext
 const scheduleChange = (audioParam, method, params, targetTime) => {
+  const now = audioParam._ctx.currentTime
+
+  const outdatedSchedulements = compose(
+    // TODO: sort outdated stuff based on targetTime property, ASC
+    filter(compose(
+      both(
+        gte(__, audioParam._valueWasLastSetAt),
+        lt(__, now)
+      ),
+      prop('targetTime')
+    ))
+  )(audioParam._scheduledChanges)
+
+  if (!isEmpty(outdatedSchedulements)) {
+    // TODO: update _value with evaulation of outdated stuff
+    // TODO: update _valueWasLastSet to the targetTime of last outdated stuff
+  }
+
   audioParam._scheduledChanges = compose(
-    append({ method, params, targetTime }),
+    append({
+      method,
+      params,
+      targetTime: clamp(now, Infinity, targetTime)
+    }),
     reject(compose(
       either(
         (method === 'cancelScheduledValues' ? gte(__, targetTime) : equals(__, targetTime)),
-        lt(__, audioParam._ctx.currentTime)
+        lt(__, now)
       ),
@@ -19,2 +41,4 @@ prop('targetTime')
   )(audioParam._scheduledChanges)
+
+  audioParam._hadFinishedSchedulement = true
 }
@@ -54,3 +78,5 @@
         audioParam._value = audioParam.value
+        audioParam._valueWasLastSetAt = 0
         audioParam._scheduledChanges = []
+        audioParam._hadFinishedSchedulement = false // ramps don't take effect, until there was at least one scheduled change
       })
@@ -84,2 +110,3 @@ return node
       audioParam._value = clamp(audioParam.minValue, audioParam.maxValue, newValue)
+      audioParam._valueWasLastSetAt = audioParam._ctx.currentTime
       originalSetter.call(audioParam, newValue)
@@ -86,0 +113,0 @@ }

No alert changes

Improved metrics

Total package byte prevSize

106446

increased by3.6%

Lines of code

241

increased by11.06%

No dependency changes