Created
February 23, 2018 22:58
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <script src="./clooney.min.js"></script> | |
| <script> | |
| !function(e,n){"object"==typeof exports&&"undefined"!=typeof module?module.exports=n():"function"==typeof define&&define.amd?define(n):e.greenlet=n()}(this,function(){return function(e){var n=new Worker(URL.createObjectURL(new Blob(["onmessage=("+function(e){return function(n){var t=n.data;return Promise.resolve().then(function(){return e.apply(e,t[1])}).then(function(e){postMessage([t[0],null,e])},function(e){postMessage([t[0],""+e])})}}+")("+e+")"]))),t=0,o={};return n.onmessage=function(e){var n=e.data,t=n[0],r=n[1];o[t][r?1:0](r||n[2]),delete o[t]},function(){for(var e=[],r=arguments.length;r--;)e[r]=arguments[r];return new Promise(function(r,u){o[++t]=[r,u],n.postMessage([t,e])})}}}); | |
| //# sourceMappingURL=greenlet.umd.js.map | |
| </script> | |
| <title>Title</title> | |
| </head> | |
| <body> | |
| <script> | |
| class Actor { | |
| parse(data) { | |
| return JSON.parse(JSON.stringify(data)); | |
| } | |
| } | |
| const parseWithClooney = async (response) => { | |
| const instance = await Clooney.spawn(Actor); | |
| await instance.parse(response); | |
| }; | |
| const parseWithGreenlet = async (response) => { | |
| const parse = await greenlet(async data => { | |
| JSON.parse(JSON.stringify(data)); | |
| }); | |
| await parse(response); | |
| }; | |
| const fetchAndParse = async (name, asyncCb) => { | |
| await fetch('https://jsonplaceholder.typicode.com/photos', { method: 'GET', | |
| headers: new Headers(), | |
| mode: 'cors', | |
| cache: 'default' }) | |
| .then(resp => resp.json()).then(async response => { | |
| performance.mark(`parse-with-${name}-start`); | |
| await asyncCb(response); | |
| performance.mark(`parse-with-${name}-end`); | |
| performance.measure( | |
| `parse-with-${name}`, | |
| `parse-with-${name}-start`, | |
| `parse-with-${name}-end` | |
| ); | |
| const measures = performance.getEntriesByName(`parse-with-${name}`); | |
| const measure = measures[0]; | |
| console.log(`When parse in ${name}, thread busy for ${measure.duration} milliseconds`); | |
| performance.clearMarks(); | |
| performance.clearMeasures(); | |
| }); | |
| }; | |
| // | |
| (async function() { | |
| await fetchAndParse('Clooney', parseWithClooney); | |
| await fetchAndParse('greenlet', parseWithGreenlet); | |
| })(); | |
| </script> | |
| </body> | |
| </html> |
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Might be good to include a test where the actor/greenlet are created separately. Usually calls to an existing Worker are much cheaper than creating a new one.