funkjunky
/ chunkedFileStreaming.js
Created
July 28, 2018 20:03
This is some fun code I had written to handle uploading any number of files of any size, using compression and streaming. (Note: Node doesn't require you convert a stream to an iterator)
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| export const webFileToResumableDescriptor = (file, uploadId) => async function(chunkSize) { | |
| uploadId = uploadId || file.name; | |
| return { | |
| bytesCount: file.size, | |
| uploadId: uploadId, | |
| filename: file.name, | |
| generator: async function*() { | |
| let chunkIndex = 0; | |
| // While starting byte is less than the file size, continue. |
funkjunky
/ HMR with graphics and reducer
Created
February 5, 2018 04:19
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| if(module.hot) { | |
| module.hot.accept(() => { | |
| window.store.replaceReducer(reducer) | |
| window.cancelAnimationFrame(window.raf); | |
| window.raf = window.requestAnimationFrame(step) | |
| }); | |
| } | |
| function step(dt) { | |
| graphics(window.ctx, window.store.getState(), dt); |
funkjunky
/ flatten.js
Created
October 24, 2016 20:33
Flatten's an array any level deep. (for Citrus Byte) [written in ES6 JS]
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| //Mutable version | |
| const flatten = (arr) => | |
| arr.reduce((c, v) => | |
| (Array.isArray(v)) | |
| ? c.concat(flatten(v)) | |
| : [...c, v] | |
| , []); | |
| //or more effecient, in place | |
| const flatten_in = (arr) => |