framesync - npm Package Compare versions

Comparing version 5.3.0 to 6.0.0-rc.1

dist/framesync.cjs.js

@@ -5,26 +5,20 @@ 'use strict';
 
-var defaultTimestep = (1 / 60) * 1000;
-var getCurrentTime = typeof performance !== "undefined"
-    ? function () { return performance.now(); }
-    : function () { return Date.now(); };
-var onNextFrame = typeof window !== "undefined"
-    ? function (callback) {
-        return window.requestAnimationFrame(callback);
-    }
-    : function (callback) {
-        return setTimeout(function () { return callback(getCurrentTime()); }, defaultTimestep);
-    };
+const defaultTimestep = (1 / 60) * 1000;
+const getCurrentTime = typeof performance !== "undefined"
+    ? () => performance.now()
+    : () => Date.now();
+const onNextFrame = typeof window !== "undefined"
+    ? (callback) => window.requestAnimationFrame(callback)
+    : (callback) => setTimeout(() => callback(getCurrentTime()), defaultTimestep);
 
 function createRenderStep(runNextFrame) {
-    var toRun = [];
-    var toRunNextFrame = [];
-    var numToRun = 0;
-    var isProcessing = false;
-    var toKeepAlive = new WeakSet();
-    var step = {
-        schedule: function (callback, keepAlive, immediate) {
-            if (keepAlive === void 0) { keepAlive = false; }
-            if (immediate === void 0) { immediate = false; }
-            var addToCurrentFrame = immediate && isProcessing;
-            var buffer = addToCurrentFrame ? toRun : toRunNextFrame;
+    let toRun = [];
+    let toRunNextFrame = [];
+    let numToRun = 0;
+    let isProcessing = false;
+    const toKeepAlive = new WeakSet();
+    const step = {
+        schedule: (callback, keepAlive = false, immediate = false) => {
+            const addToCurrentFrame = immediate && isProcessing;
+            const buffer = addToCurrentFrame ? toRun : toRunNextFrame;
             if (keepAlive)
@@ -39,4 +33,4 @@ toKeepAlive.add(callback);
         },
-        cancel: function (callback) {
-            var index = toRunNextFrame.indexOf(callback);
+        cancel: (callback) => {
+            const index = toRunNextFrame.indexOf(callback);
             if (index !== -1)
@@ -46,11 +40,10 @@ toRunNextFrame.splice(index, 1);
         },
-        process: function (frameData) {
-            var _a;
+        process: (frameData) => {
             isProcessing = true;
-            _a = [toRunNextFrame, toRun], toRun = _a[0], toRunNextFrame = _a[1];
+            [toRun, toRunNextFrame] = [toRunNextFrame, toRun];
             toRunNextFrame.length = 0;
             numToRun = toRun.length;
             if (numToRun) {
-                for (var i = 0; i < numToRun; i++) {
-                    var callback = toRun[i];
+                for (let i = 0; i < numToRun; i++) {
+                    const callback = toRun[i];
                     callback(frameData);
@@ -69,11 +62,11 @@ if (toKeepAlive.has(callback)) {
 
-var maxElapsed = 40;
-var useDefaultElapsed = true;
-var runNextFrame = false;
-var isProcessing = false;
-var frame = {
+const maxElapsed = 40;
+let useDefaultElapsed = true;
+let runNextFrame = false;
+let isProcessing = false;
+const frame = {
     delta: 0,
     timestamp: 0,
 };
-var stepsOrder = [
+const stepsOrder = [
     "read",
@@ -85,11 +78,9 @@ "update",
 ];
-var steps = stepsOrder.reduce(function (acc, key) {
-    acc[key] = createRenderStep(function () { return (runNextFrame = true); });
+const steps = stepsOrder.reduce((acc, key) => {
+    acc[key] = createRenderStep(() => (runNextFrame = true));
     return acc;
 }, {});
-var sync = stepsOrder.reduce(function (acc, key) {
-    var step = steps[key];
-    acc[key] = function (process, keepAlive, immediate) {
-        if (keepAlive === void 0) { keepAlive = false; }
-        if (immediate === void 0) { immediate = false; }
+const sync = stepsOrder.reduce((acc, key) => {
+    const step = steps[key];
+    acc[key] = (process, keepAlive = false, immediate = false) => {
         if (!runNextFrame)
@@ -101,12 +92,12 @@ startLoop();
 }, {});
-var cancelSync = stepsOrder.reduce(function (acc, key) {
+const cancelSync = stepsOrder.reduce((acc, key) => {
     acc[key] = steps[key].cancel;
     return acc;
 }, {});
-var flushSync = stepsOrder.reduce(function (acc, key) {
-    acc[key] = function () { return steps[key].process(frame); };
+const flushSync = stepsOrder.reduce((acc, key) => {
+    acc[key] = () => steps[key].process(frame);
     return acc;
 }, {});
-var processStep = function (stepId) { return steps[stepId].process(frame); };
-var processFrame = function (timestamp) {
+const processStep = (stepId) => steps[stepId].process(frame);
+const processFrame = (timestamp) => {
     runNextFrame = false;
@@ -125,3 +116,3 @@ frame.delta = useDefaultElapsed
 };
-var startLoop = function () {
+const startLoop = () => {
     runNextFrame = true;
@@ -132,3 +123,3 @@ useDefaultElapsed = true;
 };
-var getFrameData = function () { return frame; };
+const getFrameData = () => frame;
 
@@ -135,0 +126,0 @@ exports.cancelSync = cancelSync;

dist/framesync.js

@@ -7,26 +7,20 @@ (function (global, factory) {
 
-    var defaultTimestep = (1 / 60) * 1000;
-    var getCurrentTime = typeof performance !== "undefined"
-        ? function () { return performance.now(); }
-        : function () { return Date.now(); };
-    var onNextFrame = typeof window !== "undefined"
-        ? function (callback) {
-            return window.requestAnimationFrame(callback);
-        }
-        : function (callback) {
-            return setTimeout(function () { return callback(getCurrentTime()); }, defaultTimestep);
-        };
+    const defaultTimestep = (1 / 60) * 1000;
+    const getCurrentTime = typeof performance !== "undefined"
+        ? () => performance.now()
+        : () => Date.now();
+    const onNextFrame = typeof window !== "undefined"
+        ? (callback) => window.requestAnimationFrame(callback)
+        : (callback) => setTimeout(() => callback(getCurrentTime()), defaultTimestep);
 
     function createRenderStep(runNextFrame) {
-        var toRun = [];
-        var toRunNextFrame = [];
-        var numToRun = 0;
-        var isProcessing = false;
-        var toKeepAlive = new WeakSet();
-        var step = {
-            schedule: function (callback, keepAlive, immediate) {
-                if (keepAlive === void 0) { keepAlive = false; }
-                if (immediate === void 0) { immediate = false; }
-                var addToCurrentFrame = immediate && isProcessing;
-                var buffer = addToCurrentFrame ? toRun : toRunNextFrame;
+        let toRun = [];
+        let toRunNextFrame = [];
+        let numToRun = 0;
+        let isProcessing = false;
+        const toKeepAlive = new WeakSet();
+        const step = {
+            schedule: (callback, keepAlive = false, immediate = false) => {
+                const addToCurrentFrame = immediate && isProcessing;
+                const buffer = addToCurrentFrame ? toRun : toRunNextFrame;
                 if (keepAlive)
@@ -41,4 +35,4 @@ toKeepAlive.add(callback);
             },
-            cancel: function (callback) {
-                var index = toRunNextFrame.indexOf(callback);
+            cancel: (callback) => {
+                const index = toRunNextFrame.indexOf(callback);
                 if (index !== -1)
@@ -48,11 +42,10 @@ toRunNextFrame.splice(index, 1);
             },
-            process: function (frameData) {
-                var _a;
+            process: (frameData) => {
                 isProcessing = true;
-                _a = [toRunNextFrame, toRun], toRun = _a[0], toRunNextFrame = _a[1];
+                [toRun, toRunNextFrame] = [toRunNextFrame, toRun];
                 toRunNextFrame.length = 0;
                 numToRun = toRun.length;
                 if (numToRun) {
-                    for (var i = 0; i < numToRun; i++) {
-                        var callback = toRun[i];
+                    for (let i = 0; i < numToRun; i++) {
+                        const callback = toRun[i];
                         callback(frameData);
@@ -71,11 +64,11 @@ if (toKeepAlive.has(callback)) {
 
-    var maxElapsed = 40;
-    var useDefaultElapsed = true;
-    var runNextFrame = false;
-    var isProcessing = false;
-    var frame = {
+    const maxElapsed = 40;
+    let useDefaultElapsed = true;
+    let runNextFrame = false;
+    let isProcessing = false;
+    const frame = {
         delta: 0,
         timestamp: 0,
     };
-    var stepsOrder = [
+    const stepsOrder = [
         "read",
@@ -87,11 +80,9 @@ "update",
     ];
-    var steps = stepsOrder.reduce(function (acc, key) {
-        acc[key] = createRenderStep(function () { return (runNextFrame = true); });
+    const steps = stepsOrder.reduce((acc, key) => {
+        acc[key] = createRenderStep(() => (runNextFrame = true));
         return acc;
     }, {});
-    var sync = stepsOrder.reduce(function (acc, key) {
-        var step = steps[key];
-        acc[key] = function (process, keepAlive, immediate) {
-            if (keepAlive === void 0) { keepAlive = false; }
-            if (immediate === void 0) { immediate = false; }
+    const sync = stepsOrder.reduce((acc, key) => {
+        const step = steps[key];
+        acc[key] = (process, keepAlive = false, immediate = false) => {
             if (!runNextFrame)
@@ -103,12 +94,12 @@ startLoop();
     }, {});
-    var cancelSync = stepsOrder.reduce(function (acc, key) {
+    const cancelSync = stepsOrder.reduce((acc, key) => {
         acc[key] = steps[key].cancel;
         return acc;
     }, {});
-    var flushSync = stepsOrder.reduce(function (acc, key) {
-        acc[key] = function () { return steps[key].process(frame); };
+    const flushSync = stepsOrder.reduce((acc, key) => {
+        acc[key] = () => steps[key].process(frame);
         return acc;
     }, {});
-    var processStep = function (stepId) { return steps[stepId].process(frame); };
-    var processFrame = function (timestamp) {
+    const processStep = (stepId) => steps[stepId].process(frame);
+    const processFrame = (timestamp) => {
         runNextFrame = false;
@@ -127,3 +118,3 @@ frame.delta = useDefaultElapsed
     };
-    var startLoop = function () {
+    const startLoop = () => {
         runNextFrame = true;
@@ -134,3 +125,3 @@ useDefaultElapsed = true;
     };
-    var getFrameData = function () { return frame; };
+    const getFrameData = () => frame;
 
@@ -137,0 +128,0 @@ exports.cancelSync = cancelSync;

dist/framesync.min.js

@@ -1,1 +0,1 @@
-!function(e,n){"object"==typeof exports&&"undefined"!=typeof module?n(exports):"function"==typeof define&&define.amd?define(["exports"],n):n((e="undefined"!=typeof globalThis?globalThis:e||self).framesync={})}(this,(function(e){"use strict";var n=1/60*1e3,t="undefined"!=typeof performance?function(){return performance.now()}:function(){return Date.now()},r="undefined"!=typeof window?function(e){return window.requestAnimationFrame(e)}:function(e){return setTimeout((function(){return e(t())}),n)};var u=!0,o=!1,i=!1,c={delta:0,timestamp:0},f=["read","update","preRender","render","postRender"],d=f.reduce((function(e,n){return e[n]=function(e){var n=[],t=[],r=0,u=!1,o=new WeakSet,i={schedule:function(e,i,c){void 0===i&&(i=!1),void 0===c&&(c=!1);var f=c&&u,d=f?n:t;return i&&o.add(e),-1===d.indexOf(e)&&(d.push(e),f&&u&&(r=n.length)),e},cancel:function(e){var n=t.indexOf(e);-1!==n&&t.splice(n,1),o.delete(e)},process:function(c){var f;if(u=!0,n=(f=[t,n])[0],(t=f[1]).length=0,r=n.length)for(var d=0;d<r;d++){var a=n[d];a(c),o.has(a)&&(i.schedule(a),e())}u=!1}};return i}((function(){return o=!0})),e}),{}),a=f.reduce((function(e,n){var t=d[n];return e[n]=function(e,n,r){return void 0===n&&(n=!1),void 0===r&&(r=!1),o||h(),t.schedule(e,n,r)},e}),{}),s=f.reduce((function(e,n){return e[n]=d[n].cancel,e}),{}),l=f.reduce((function(e,n){return e[n]=function(){return d[n].process(c)},e}),{}),p=function(e){return d[e].process(c)},m=function(e){o=!1,c.delta=u?n:Math.max(Math.min(e-c.timestamp,40),1),c.timestamp=e,i=!0,f.forEach(p),i=!1,o&&(u=!1,r(m))},h=function(){o=!0,u=!0,i||r(m)};e.cancelSync=s,e.default=a,e.flushSync=l,e.getFrameData=function(){return c},Object.defineProperty(e,"__esModule",{value:!0})}));
+!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).framesync={})}(this,(function(e){"use strict";const t=1/60*1e3,n="undefined"!=typeof performance?()=>performance.now():()=>Date.now(),o="undefined"!=typeof window?e=>window.requestAnimationFrame(e):e=>setTimeout((()=>e(n())),t);let c=!0,d=!1,s=!1;const r={delta:0,timestamp:0},a=["read","update","preRender","render","postRender"],f=a.reduce(((e,t)=>(e[t]=function(e){let t=[],n=[],o=0,c=!1;const d=new WeakSet,s={schedule:(e,s=!1,r=!1)=>{const a=r&&c,f=a?t:n;return s&&d.add(e),-1===f.indexOf(e)&&(f.push(e),a&&c&&(o=t.length)),e},cancel:e=>{const t=n.indexOf(e);-1!==t&&n.splice(t,1),d.delete(e)},process:r=>{if(c=!0,[t,n]=[n,t],n.length=0,o=t.length,o)for(let n=0;n<o;n++){const o=t[n];o(r),d.has(o)&&(s.schedule(o),e())}c=!1}};return s}((()=>d=!0)),e)),{}),i=a.reduce(((e,t)=>{const n=f[t];return e[t]=(e,t=!1,o=!1)=>(d||h(),n.schedule(e,t,o)),e}),{}),u=a.reduce(((e,t)=>(e[t]=f[t].cancel,e)),{}),l=a.reduce(((e,t)=>(e[t]=()=>f[t].process(r),e)),{}),p=e=>f[e].process(r),m=e=>{d=!1,r.delta=c?t:Math.max(Math.min(e-r.timestamp,40),1),r.timestamp=e,s=!0,a.forEach(p),s=!1,d&&(c=!1,o(m))},h=()=>{d=!0,c=!0,s||o(m)};e.cancelSync=u,e.default=i,e.flushSync=l,e.getFrameData=()=>r,Object.defineProperty(e,"__esModule",{value:!0})}));

lib/_tests/test.js

 import sync, { cancelSync } from "../";
 import { onNextFrame } from "../on-next-frame";
-describe("onNextFrame", function () {
-    it("fires callback on following frame", function () {
-        return new Promise(function (resolve) { return onNextFrame(resolve); });
+describe("onNextFrame", () => {
+    it("fires callback on following frame", () => {
+        return new Promise((resolve) => onNextFrame(resolve));
     });
 });
-describe("sync", function () {
-    it("fires callbacks in the correct order", function () {
-        return new Promise(function (resolve, reject) {
-            var order = [];
-            sync.read(function () { return order.push(0); });
-            sync.update(function () { return order.push(1); });
-            sync.preRender(function () { return order.push(2); });
-            sync.render(function () { return order.push(3); });
-            sync.postRender(function () {
+describe("sync", () => {
+    it("fires callbacks in the correct order", () => {
+        return new Promise((resolve, reject) => {
+            const order = [];
+            sync.read(() => order.push(0));
+            sync.update(() => order.push(1));
+            sync.preRender(() => order.push(2));
+            sync.render(() => order.push(3));
+            sync.postRender(() => {
                 order.push(4);
@@ -31,70 +31,62 @@ if (order[0] === 0 &&
     });
-    it("cancels callbacks", function () {
-        return new Promise(function (resolve, reject) {
-            var hasFired = false;
-            var process = sync.render(function () { return (hasFired = true); });
-            sync.update(function () { return cancelSync.render(process); });
-            sync.postRender(function () { return (hasFired ? reject(hasFired) : resolve()); });
+    it("cancels callbacks", () => {
+        return new Promise((resolve, reject) => {
+            let hasFired = false;
+            const process = sync.render(() => (hasFired = true));
+            sync.update(() => cancelSync.render(process));
+            sync.postRender(() => (hasFired ? reject(hasFired) : resolve()));
         });
     });
-    it("fires callback on current frame if scheduled with `true` within the same step", function () {
-        return new Promise(function (resolve, reject) {
-            var v = 0;
-            sync.update(function (_a) {
-                var prevTimestamp = _a.timestamp;
+    it("fires callback on current frame if scheduled with `true` within the same step", () => {
+        return new Promise((resolve, reject) => {
+            let v = 0;
+            sync.update(({ timestamp: prevTimestamp }) => {
                 v++;
-                sync.update(function (_a) {
-                    var timestamp = _a.timestamp;
+                sync.update(({ timestamp }) => {
                     v++;
                     if (timestamp !== prevTimestamp) {
-                        reject(timestamp + " " + prevTimestamp);
+                        reject(`${timestamp} ${prevTimestamp}`);
                     }
                 }, false, true);
             });
-            sync.render(function () { return (v === 2 ? resolve() : reject(v)); });
+            sync.render(() => (v === 2 ? resolve() : reject(v)));
         });
     });
-    it("fires callback on next frame if scheduled with `true` outside the same step", function () {
-        return new Promise(function (resolve, reject) {
-            var v = 0;
-            sync.update(function () { return v++; });
-            sync.update(function () { return v++; }, false, true);
-            sync.render(function () { return (v === 2 ? resolve() : reject()); });
+    it("fires callback on next frame if scheduled with `true` outside the same step", () => {
+        return new Promise((resolve, reject) => {
+            let v = 0;
+            sync.update(() => v++);
+            sync.update(() => v++, false, true);
+            sync.render(() => (v === 2 ? resolve() : reject()));
         });
     });
-    it("uses default elapsed time if first fire", function () {
-        return new Promise(function (resolve, reject) {
-            sync.update(function (_a) {
-                var defaultElapsed = _a.delta;
-                setTimeout(function () {
-                    return sync.update(function (_a) {
-                        var delta = _a.delta;
-                        return delta === defaultElapsed
-                            ? resolve()
-                            : reject(defaultElapsed, delta);
-                    });
-                }, 50);
+    it("uses default elapsed time if first fire", () => {
+        return new Promise((resolve, reject) => {
+            sync.update(({ delta: defaultElapsed }) => {
+                setTimeout(() => sync.update(({ delta }) => delta === defaultElapsed
+                    ? resolve()
+                    : reject(defaultElapsed, delta)), 50);
             });
         });
     });
-    it("correctly cancels", function () {
-        return new Promise(function (resolve, reject) {
-            var callback = function () { return reject(); };
-            sync.read(function () { return cancelSync.update(callback); });
+    it("correctly cancels", () => {
+        return new Promise((resolve, reject) => {
+            const callback = () => reject();
+            sync.read(() => cancelSync.update(callback));
             sync.update(callback);
-            sync.render(function () { return resolve(); });
+            sync.render(() => resolve());
         });
     });
-    it("correctly keeps alive", function () {
-        return new Promise(function (resolve) {
-            var v = 0;
-            sync.update(function () { return v++; }, true);
-            sync.render(function () { return v === 2 && resolve(); }, true);
+    it("correctly keeps alive", () => {
+        return new Promise((resolve) => {
+            let v = 0;
+            sync.update(() => v++, true);
+            sync.render(() => v === 2 && resolve(), true);
         });
     });
-    it("correctly cancels a keepAlive process", function () {
-        return new Promise(function (resolve, reject) {
-            var updateCount = 0;
-            var renderCount = 0;
-            var update = sync.update(function () {
+    it("correctly cancels a keepAlive process", () => {
+        return new Promise((resolve, reject) => {
+            let updateCount = 0;
+            let renderCount = 0;
+            const update = sync.update(() => {
                 updateCount++;
@@ -104,3 +96,3 @@ if (updateCount === 4)
             }, true);
-            sync.render(function () {
+            sync.render(() => {
                 renderCount++;
@@ -107,0 +99,0 @@ if (renderCount === 6) {

lib/create-render-step.js

 export function createRenderStep(runNextFrame) {
-    var toRun = [];
-    var toRunNextFrame = [];
-    var numToRun = 0;
-    var isProcessing = false;
-    var toKeepAlive = new WeakSet();
-    var step = {
-        schedule: function (callback, keepAlive, immediate) {
-            if (keepAlive === void 0) { keepAlive = false; }
-            if (immediate === void 0) { immediate = false; }
-            var addToCurrentFrame = immediate && isProcessing;
-            var buffer = addToCurrentFrame ? toRun : toRunNextFrame;
+    let toRun = [];
+    let toRunNextFrame = [];
+    let numToRun = 0;
+    let isProcessing = false;
+    const toKeepAlive = new WeakSet();
+    const step = {
+        schedule: (callback, keepAlive = false, immediate = false) => {
+            const addToCurrentFrame = immediate && isProcessing;
+            const buffer = addToCurrentFrame ? toRun : toRunNextFrame;
             if (keepAlive)
@@ -22,4 +20,4 @@ toKeepAlive.add(callback);
         },
-        cancel: function (callback) {
-            var index = toRunNextFrame.indexOf(callback);
+        cancel: (callback) => {
+            const index = toRunNextFrame.indexOf(callback);
             if (index !== -1)
@@ -29,11 +27,10 @@ toRunNextFrame.splice(index, 1);
         },
-        process: function (frameData) {
-            var _a;
+        process: (frameData) => {
             isProcessing = true;
-            _a = [toRunNextFrame, toRun], toRun = _a[0], toRunNextFrame = _a[1];
+            [toRun, toRunNextFrame] = [toRunNextFrame, toRun];
             toRunNextFrame.length = 0;
             numToRun = toRun.length;
             if (numToRun) {
-                for (var i = 0; i < numToRun; i++) {
-                    var callback = toRun[i];
+                for (let i = 0; i < numToRun; i++) {
+                    const callback = toRun[i];
                     callback(frameData);
@@ -40,0 +37,0 @@ if (toKeepAlive.has(callback)) {

lib/index.js

 import { onNextFrame, defaultTimestep } from "./on-next-frame";
 import { createRenderStep } from "./create-render-step";
-var maxElapsed = 40;
-var useDefaultElapsed = true;
-var runNextFrame = false;
-var isProcessing = false;
-var frame = {
+const maxElapsed = 40;
+let useDefaultElapsed = true;
+let runNextFrame = false;
+let isProcessing = false;
+const frame = {
     delta: 0,
     timestamp: 0,
 };
-var stepsOrder = [
+const stepsOrder = [
     "read",
@@ -18,11 +18,9 @@ "update",
 ];
-var steps = stepsOrder.reduce(function (acc, key) {
-    acc[key] = createRenderStep(function () { return (runNextFrame = true); });
+const steps = stepsOrder.reduce((acc, key) => {
+    acc[key] = createRenderStep(() => (runNextFrame = true));
     return acc;
 }, {});
-var sync = stepsOrder.reduce(function (acc, key) {
-    var step = steps[key];
-    acc[key] = function (process, keepAlive, immediate) {
-        if (keepAlive === void 0) { keepAlive = false; }
-        if (immediate === void 0) { immediate = false; }
+const sync = stepsOrder.reduce((acc, key) => {
+    const step = steps[key];
+    acc[key] = (process, keepAlive = false, immediate = false) => {
         if (!runNextFrame)
@@ -34,12 +32,12 @@ startLoop();
 }, {});
-var cancelSync = stepsOrder.reduce(function (acc, key) {
+const cancelSync = stepsOrder.reduce((acc, key) => {
     acc[key] = steps[key].cancel;
     return acc;
 }, {});
-var flushSync = stepsOrder.reduce(function (acc, key) {
-    acc[key] = function () { return steps[key].process(frame); };
+const flushSync = stepsOrder.reduce((acc, key) => {
+    acc[key] = () => steps[key].process(frame);
     return acc;
 }, {});
-var processStep = function (stepId) { return steps[stepId].process(frame); };
-var processFrame = function (timestamp) {
+const processStep = (stepId) => steps[stepId].process(frame);
+const processFrame = (timestamp) => {
     runNextFrame = false;
@@ -58,3 +56,3 @@ frame.delta = useDefaultElapsed
 };
-var startLoop = function () {
+const startLoop = () => {
     runNextFrame = true;
@@ -65,5 +63,5 @@ useDefaultElapsed = true;
 };
-var getFrameData = function () { return frame; };
+const getFrameData = () => frame;
 export default sync;
 export { cancelSync, flushSync, getFrameData };
 //# sourceMappingURL=index.js.map

lib/on-next-frame.js

@@ -1,12 +0,8 @@
-export var defaultTimestep = (1 / 60) * 1000;
-var getCurrentTime = typeof performance !== "undefined"
-    ? function () { return performance.now(); }
-    : function () { return Date.now(); };
-export var onNextFrame = typeof window !== "undefined"
-    ? function (callback) {
-        return window.requestAnimationFrame(callback);
-    }
-    : function (callback) {
-        return setTimeout(function () { return callback(getCurrentTime()); }, defaultTimestep);
-    };
+export const defaultTimestep = (1 / 60) * 1000;
+const getCurrentTime = typeof performance !== "undefined"
+    ? () => performance.now()
+    : () => Date.now();
+export const onNextFrame = typeof window !== "undefined"
+    ? (callback) => window.requestAnimationFrame(callback)
+    : (callback) => setTimeout(() => callback(getCurrentTime()), defaultTimestep);
 //# sourceMappingURL=on-next-frame.js.map

package.json

 {
     "name": "framesync",
     "license": "MIT",
-    "version": "5.3.0",
+    "version": "6.0.0-rc.1",
     "description": "A frame-synced render loop for JavaScript",
@@ -10,16 +10,18 @@ "author": "Matt Perry",
     "types": "lib/index.d.ts",
-    "module": "dist/es/index.js",
-    "jsnext:main": "dist/es/index.js",
+    "module": "dist/es/index.mjs",
+    "jsnext:main": "dist/es/index.mjs",
     "unpkg": "./dist/framesync.min.js",
     "exports": {
-        "import": "./dist/es/index.js",
-        "require": "./dist/framesync.cjs.js",
-        "default": "./dist/es/index.js"
+        ".": {
+            "import": "./dist/es/index.mjs",
+            "require": "./dist/framesync.cjs.js",
+            "default": "./dist/framesync.cjs.js"
+        },
+        "./package.json": "./package.json"
     },
     "scripts": {
         "build": "tsc -p . && rollup -c && yarn measure",
-        "postbuild": "babel $npm_package_module --out-file $npm_package_module --no-babelrc --plugins annotate-pure-calls",
         "watch": "rollup -c -w",
         "lint": "tslint -c tslint.json 'src/**/*.{ts}'",
-        "test": "jest --maxWorkers=2",
+        "test": "jest",
         "measure": "gzip -c dist/framesync.min.js | wc -c",
@@ -43,7 +45,2 @@ "prepublishOnly": "npm run test && npm run build"
     },
-    "devDependencies": {
-        "babel-cli": "^6.26.0",
-        "babel-core": "^6.26.3",
-        "babel-plugin-annotate-pure-calls": "^0.2.2"
-    },
     "jest": {
@@ -50,0 +47,0 @@ "moduleFileExtensions": [

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