Hello, fflate / Fil | Observable

Fil

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Hello

Edited

Jan 13, 2022

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Hello

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fflate = import("https://cdn.skypack.dev/fflate?min")

A = fetch(

CORS_PROXY +

"https://data.cquest.org/elections/RG2021/resultats-par-niveau-bv-t1-france-entiere-2021-06-22-11h36.csv.gz"

).then((d) => d.arrayBuffer())

A1 = d3

.dsvFormat(";")

.parse(fflate.strFromU8(fflate.decompressSync(new Uint8Array(A))))

B = fetch(CORS_PROXY + "https://visionscarto.net/obs/jszip-demo/data.zip")

.then((d) => d.arrayBuffer())

.then((buffer) => fflate.unzipSync(new Uint8Array(buffer)))

B1 = Object.fromEntries(

Object.entries(B).map(([key, buf]) => [

key,

d3.csvParse(fflate.strFromU8(buf), d3.autoType)

])

)

b = new Blob([

fflate.zipSync({

// Directories can be nested structures, as in an actual filesystem

dir1: {

nested: { "hello.txt": fflate.strToU8("Hello world!") }

}

})

])

DOM.download(b, "file.zip", "Download this file")

fflate.unzipSync(new Uint8Array(await b.arrayBuffer()))

import { CORS_PROXY } from "@fil/cors-proxy"

evaluate_compressed_size("aaaaaaaaaaaaaaaaaaaaaa")

function evaluate_compressed_size(text) {

if (typeof text !== "string") text = JSON.stringify(text);

return fflate.zipSync({ test: fflate.strToU8(text) }).length;

}

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