@n1ru4l/push-pull-async-iterable-iterator - npm Package Compare versions

Comparing version 2.0.0 to 2.0.1

dist/push-pull-async-iterable-iterator.cjs.development.js

@@ -930,2 +930,5 @@ 'use strict';
 }
+
+var SYMBOL_FINISHED = /*#__PURE__*/Symbol();
+var SYMBOL_NEW_VALUE = /*#__PURE__*/Symbol();
 /**
@@ -939,3 +942,2 @@ * makePushPullAsyncIterableIterator
 
-
 function makePushPullAsyncIterableIterator() {
@@ -946,7 +948,8 @@ var _asyncIterableIterato, _asyncIterableIterato2;
   var values = [];
-  var d = createDeferred();
+  var newValueD = createDeferred();
+  var finishedD = createDeferred();
 
   var asyncIterableIterator = function () {
     var _PushPullAsyncIterableIterator = _wrapAsyncGenerator( /*#__PURE__*/runtime_1.mark(function _callee() {
-      var res;
+      var result;
       return runtime_1.wrap(function _callee$(_context) {
@@ -956,6 +959,2 @@ while (1) {
             case 0:
-              if (!isRunning) {
-                _context.next = 13;
-                break;
-              }
 
@@ -976,8 +975,8 @@ if (!(values.length > 0)) {
               _context.next = 8;
-              return _awaitAsyncGenerator(d.promise);
+              return _awaitAsyncGenerator(Promise.race([newValueD.promise, finishedD.promise]));
 
             case 8:
-              res = _context.sent;
+              result = _context.sent;
 
-              if (!(res === "finished")) {
+              if (!(result === SYMBOL_FINISHED)) {
                 _context.next = 11;
@@ -987,3 +986,3 @@ break;
 
-              return _context.abrupt("return");
+              return _context.abrupt("break", 13);
 
@@ -1016,4 +1015,4 @@ case 11:
     values.push(value);
-    d.resolve("newValue");
-    d = createDeferred();
+    newValueD.resolve(SYMBOL_NEW_VALUE);
+    newValueD = createDeferred();
   } // We monkey patch the original generator for clean-up
@@ -1028,3 +1027,3 @@
     isRunning = false;
-    d.resolve("finished");
+    finishedD.resolve(SYMBOL_FINISHED);
 
@@ -1047,3 +1046,3 @@ for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
     isRunning = false;
-    d.resolve("finished");
+    finishedD.resolve(SYMBOL_FINISHED);
 
@@ -1050,0 +1049,0 @@ for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {

dist/push-pull-async-iterable-iterator.cjs.production.min.js

@@ -1,2 +0,2 @@
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i=o;break}}i&&("break"===t||"continue"===t)&&i.tryLoc<=r&&r<=i.finallyLoc&&(i=null);var a=i?i.completion:{};return a.type=t,a.arg=r,i?(this.method="next",this.next=i.finallyLoc,l):this.complete(a)},complete:function(t,r){if("throw"===t.type)throw t.arg;return"break"===t.type||"continue"===t.type?this.next=t.arg:"return"===t.type?(this.rval=this.arg=t.arg,this.method="return",this.next="end"):"normal"===t.type&&r&&(this.next=r),l},finish:function(t){for(var r=this.tryEntries.length-1;r>=0;--r){var e=this.tryEntries[r];if(e.finallyLoc===t)return this.complete(e.completion,e.afterLoc),k(e),l}},catch:function(t){for(var r=this.tryEntries.length-1;r>=0;--r){var e=this.tryEntries[r];if(e.tryLoc===t){var n=e.completion;if("throw"===n.type){var o=n.arg;k(e)}return o}}throw new Error("illegal catch attempt")},delegateYield:function(t,r,e){return this.delegate={iterator:E(t),resultName:r,nextLoc:e},"next"===this.method&&(this.arg=void 0),l}},t}(t.exports);try{regeneratorRuntime=r}catch(t){Function("r","regeneratorRuntime = r")(r)}}(o={exports:{}}),o.exports);function a(){var t={};return t.promise=new Promise((function(r,e){t.resolve=r,t.reject=e})),t}var u=Symbol(),c=Symbol();function s(){var t,n,o,s,l=!0,f=[],h=a(),p=a(),v=(o=i.mark((function t(){return i.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:if(!(f.length>0)){t.next=6;break}return t.next=4,f.shift();case 4:t.next=11;break;case 6:return t.next=8,new r(Promise.race([h.promise,p.promise]));case 8:if(t.sent!==u){t.next=11;break}return t.abrupt("break",13);case 11:t.next=0;break;case 13:case"end":return t.stop()}}),t)})),s=function(){return new e(o.apply(this,arguments))},function(){return s.apply(this,arguments)})(),y=null==(t=v.return)?void 0:t.bind(v);v.return=function(){var t;l=!1,p.resolve(u);for(var r=arguments.length,e=new Array(r),n=0;n<r;n++)e[n]=arguments[n];return null!=(t=null==y?void 0:y.apply(void 0,e))?t:Promise.resolve({done:!0,value:void 0})};var d=null==(n=v.throw)?void 0:n.bind(v);return v.throw=function(){var t;l=!1,p.resolve(u);for(var r=arguments.length,e=new Array(r),n=0;n<r;n++)e[n]=arguments[n];return null!=(t=null==d?void 0:d.apply(void 0,e))?t:Promise.resolve({done:!0,value:void 0})},{pushValue:function(t){!1!==l&&(f.push(t),h.resolve(c),h=a())},asyncIterableIterator:v}}exports.applyAsyncIterableIteratorToSink=function(r,e){return function(){var o,a=(o=i.mark((function n(){var o,a,u,c,s,l;return i.wrap((function(n){for(;;)switch(n.prev=n.next){case 0:n.prev=0,o=!0,a=!1,n.prev=3,c=t(r);case 5:return n.next=7,c.next();case 7:return o=(s=n.sent).done,n.next=11,s.value;case 11:if(l=n.sent,o){n.next=18;break}e.next(l);case 15:o=!0,n.next=5;break;case 18:n.next=24;break;case 20:n.prev=20,n.t0=n.catch(3),a=!0,u=n.t0;case 24:if(n.prev=24,n.prev=25,o||null==c.return){n.next=29;break}return n.next=29,c.return();case 29:if(n.prev=29,!a){n.next=32;break}throw u;case 32:return n.finish(29);case 33:return n.finish(24);case 34:e.complete(),n.next=40;break;case 37:n.prev=37,n.t1=n.catch(0),e.error(n.t1);case 40:case"end":return n.stop()}}),n,null,[[0,37],[3,20,24,34],[25,,29,33]])})),function(){var t=this,r=arguments;return new Promise((function(e,i){var a=o.apply(t,r);function u(t){n(a,e,i,u,c,"next",t)}function c(t){n(a,e,i,u,c,"throw",t)}u(void 0)}))});return function(){return a.apply(this,arguments)}}()(),function(){null==r.return||r.return()}},exports.isAsyncIterable=function(t){return"object"==typeof t&&null!==t&&("AsyncGenerator"===t[Symbol.toStringTag]||Symbol.asyncIterator&&Symbol.asyncIterator in t)},exports.makeAsyncIterableIteratorFromSink=function(t){var r=s(),e=r.pushValue,n=r.asyncIterableIterator,o=function(){},i={next:function(t){e(t)},complete:function(){o(),null==n.return||n.return()},error:function(t){null==n.throw||n.throw(t)}};return o=t(i),n},exports.makePushPullAsyncIterableIterator=s;
 //# sourceMappingURL=push-pull-async-iterable-iterator.cjs.production.min.js.map

dist/push-pull-async-iterable-iterator.esm.js

@@ -928,2 +928,5 @@ function _asyncIterator(iterable) {
 }
+
+var SYMBOL_FINISHED = /*#__PURE__*/Symbol();
+var SYMBOL_NEW_VALUE = /*#__PURE__*/Symbol();
 /**
@@ -937,3 +940,2 @@ * makePushPullAsyncIterableIterator
 
-
 function makePushPullAsyncIterableIterator() {
@@ -944,7 +946,8 @@ var _asyncIterableIterato, _asyncIterableIterato2;
   var values = [];
-  var d = createDeferred();
+  var newValueD = createDeferred();
+  var finishedD = createDeferred();
 
   var asyncIterableIterator = function () {
     var _PushPullAsyncIterableIterator = _wrapAsyncGenerator( /*#__PURE__*/runtime_1.mark(function _callee() {
-      var res;
+      var result;
       return runtime_1.wrap(function _callee$(_context) {
@@ -954,6 +957,2 @@ while (1) {
             case 0:
-              if (!isRunning) {
-                _context.next = 13;
-                break;
-              }
 
@@ -974,8 +973,8 @@ if (!(values.length > 0)) {
               _context.next = 8;
-              return _awaitAsyncGenerator(d.promise);
+              return _awaitAsyncGenerator(Promise.race([newValueD.promise, finishedD.promise]));
 
             case 8:
-              res = _context.sent;
+              result = _context.sent;
 
-              if (!(res === "finished")) {
+              if (!(result === SYMBOL_FINISHED)) {
                 _context.next = 11;
@@ -985,3 +984,3 @@ break;
 
-              return _context.abrupt("return");
+              return _context.abrupt("break", 13);
 
@@ -1014,4 +1013,4 @@ case 11:
     values.push(value);
-    d.resolve("newValue");
-    d = createDeferred();
+    newValueD.resolve(SYMBOL_NEW_VALUE);
+    newValueD = createDeferred();
   } // We monkey patch the original generator for clean-up
@@ -1026,3 +1025,3 @@
     isRunning = false;
-    d.resolve("finished");
+    finishedD.resolve(SYMBOL_FINISHED);
 
@@ -1045,3 +1044,3 @@ for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
     isRunning = false;
-    d.resolve("finished");
+    finishedD.resolve(SYMBOL_FINISHED);
 
@@ -1048,0 +1047,0 @@ for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {

package.json

 {
-  "version": "2.0.0",
+  "version": "2.0.1",
   "license": "MIT",
@@ -44,4 +44,4 @@ "main": "dist/index.js",
     "@size-limit/preset-small-lib": "4.9.1",
-    "@types/zen-observable": "0.8.1",
-    "husky": "4.3.5",
+    "@types/zen-observable": "0.8.2",
+    "husky": "4.3.6",
     "size-limit": "4.9.1",
@@ -55,5 +55,5 @@ "tsdx": "0.14.1",
     "**/typescript": "4.1.3",
-    "**/@typescript-eslint/eslint-plugin": "4.9.1",
-    "**/@typescript-eslint/parser": "4.9.1"
+    "**/@typescript-eslint/eslint-plugin": "4.11.1",
+    "**/@typescript-eslint/parser": "4.11.1"
   }
 }

src/makePushPullAsyncIterableIterator.ts

@@ -23,2 +23,5 @@ type Deferred<T> = {
 
+const SYMBOL_FINISHED = Symbol();
+const SYMBOL_NEW_VALUE = Symbol();
+
 /**
@@ -37,3 +40,4 @@ * makePushPullAsyncIterableIterator
 
-  let d = createDeferred<"finished" | "newValue">();
+  let newValueD = createDeferred<typeof SYMBOL_NEW_VALUE>();
+  let finishedD = createDeferred<typeof SYMBOL_FINISHED>();
 
@@ -43,9 +47,13 @@ const asyncIterableIterator = (async function* PushPullAsyncIterableIterator(): AsyncIterableIterator<
   > {
-    while (isRunning) {
+    while (true) {
       if (values.length > 0) {
         yield values.shift()!;
       } else {
-        const res = await d.promise;
-        if (res === "finished") {
-          return;
+        const result = await Promise.race([
+          newValueD.promise,
+          finishedD.promise
+        ]);
+
+        if (result === SYMBOL_FINISHED) {
+          break;
         }
@@ -63,4 +71,4 @@ }
     values.push(value);
-    d.resolve("newValue");
-    d = createDeferred();
+    newValueD.resolve(SYMBOL_NEW_VALUE);
+    newValueD = createDeferred();
   }
@@ -76,3 +84,3 @@
     isRunning = false;
-    d.resolve("finished");
+    finishedD.resolve(SYMBOL_FINISHED);
     return (
@@ -90,3 +98,3 @@ originalReturn?.(...args) ??
     isRunning = false;
-    d.resolve("finished");
+    finishedD.resolve(SYMBOL_FINISHED);
     return (
@@ -93,0 +101,0 @@ originalThrow?.(...args) ??

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Improved metrics

Total package byte prevSize

252749

increased by0.79%

Lines of code

2234

increased by0.18%

No dependency changes