utilsac - npm Package Compare versions

Comparing version 15.0.2 to 15.1.0

changelog.md

 # Changelog
 
+## 15.1.0
+
+add decorateForceSequential
+
 ## 15.0.1
@@ -7,3 +11,2 @@
 
-
 ## 15.0.0
@@ -13,3 +16,2 @@
 
-
 ## 14.2.0
@@ -16,0 +18,0 @@

package.json

 {
   "name": "utilsac",
-  "version": "15.0.2",
+  "version": "15.1.0",
   "description": "Utility functions",
@@ -5,0 +5,0 @@ "license": "CC0-1.0",

readme.md

@@ -20,7 +20,8 @@ # [utilsac](https://github.com/GrosSacASac/utilsac)
     throttledWithLast,
+    chainPromiseNTimes,
     chainPromises,
     somePromisesParallel,
     chainRequestAnimationFrame,
+    decorateForceSequential,
     doNTimes,
-    chainPromiseNTimes,
     timeFunction,
@@ -27,0 +28,0 @@ timePromise,

utility.js

@@ -5,7 +5,8 @@ export {
     throttledWithLast,
+    chainPromiseNTimes,
     chainPromises,
     somePromisesParallel,
     chainRequestAnimationFrame,
+    decorateForceSequential,
     doNTimes,
-    chainPromiseNTimes,
     timeFunction,
@@ -116,5 +117,26 @@ timePromise,
 
+const decorateForceSequential = function (promiseCreator) {
+    /* forces a function that returns a promise to be sequential
+    useful for fs  for example */
+    let lastPromise = Promise.resolve();
+    return async function (...x) {
+        const promiseWeAreWaitingFor = lastPromise;
+        let currentPromise;
+        let callback;
+        // we need to change lastPromise before await anything,
+        // otherwise 2 calls might wait the same thing
+        lastPromise = new Promise(function (resolve) {
+            callback = resolve;
+        });
+        await promiseWeAreWaitingFor;
+        currentPromise = promiseCreator(...x);
+        currentPromise.then(callback).catch(callback);
+        return currentPromise;
+    };
+};
+
+
 const somePromisesParallel = function (promiseCreators, x = 10) {
     /* same as chainPromises except it will run up to x amount of 
-    promise in paraell */
+    promise in parallel */
     const {length} = promiseCreators;
@@ -121,0 +143,0 @@ const values = [];

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Improved metrics

Total package byte prevSize

39929

increased by2.2%

Lines of code

805

increased by2.55%

Number of lines in readme file

161

increased by0.63%

No dependency changes