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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| import { useEffect, useState } from "../imports/Preact.js" | ||
| import _ from "../imports/lodash.js" | ||
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| const loading_times_url = `https://julia-loading-times-test.netlify.app/pkg_load_times.csv` | ||
| const package_list_url = `https://julia-loading-times-test.netlify.app/top_packages_sorted_with_deps.txt` | ||
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| /** @typedef {{ install: Number, precompile: Number, load: Number }} LoadingTime */ | ||
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| /** | ||
| * @typedef PackageTimingData | ||
| * @type {{ | ||
| * times: Map<String,LoadingTime>, | ||
| * packages: Map<String,String[]>, | ||
| * }} | ||
| */ | ||
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| /** @type {{ current: Promise<PackageTimingData>? }} */ | ||
| const data_promise_ref = { current: null } | ||
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| export const get_data = () => { | ||
| if (data_promise_ref.current != null) { | ||
| return data_promise_ref.current | ||
| } else { | ||
| const times_p = fetch(loading_times_url) | ||
| .then((res) => res.text()) | ||
| .then((text) => { | ||
| const lines = text.split("\n") | ||
| const header = lines[0].split(",") | ||
| return new Map( | ||
| lines.slice(1).map((line) => { | ||
| let [pkg, ...times] = line.split(",") | ||
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| return [pkg, { install: Number(times[0]), precompile: Number(times[1]), load: Number(times[2]) }] | ||
| }) | ||
| ) | ||
| }) | ||
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| const packages_p = fetch(package_list_url) | ||
| .then((res) => res.text()) | ||
| .then( | ||
| (text) => | ||
| new Map( | ||
| text.split("\n").map((line) => { | ||
| let [pkg, ...deps] = line.split(",") | ||
| return [pkg, deps] | ||
| }) | ||
| ) | ||
| ) | ||
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| data_promise_ref.current = Promise.all([times_p, packages_p]).then(([times, packages]) => ({ times, packages })) | ||
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| return data_promise_ref.current | ||
| } | ||
| } | ||
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| export const usePackageTimingData = () => { | ||
| const [data, set_data] = useState(/** @type {PackageTimingData?} */ (null)) | ||
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| useEffect(() => { | ||
| get_data().then(set_data) | ||
| }, []) | ||
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| return data | ||
| } | ||
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| const recursive_deps = (/** @type {PackageTimingData} */ data, /** @type {string} */ pkg, found = []) => { | ||
| const deps = data.packages.get(pkg) | ||
| if (deps == null) { | ||
| return [] | ||
| } else { | ||
| const newfound = _.union(found, deps) | ||
| return [...deps, ..._.difference(deps, found).flatMap((dep) => recursive_deps(data, dep, newfound))] | ||
| } | ||
| } | ||
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| export const time_estimate = (/** @type {PackageTimingData} */ data, /** @type {string[]} */ packages) => { | ||
| let deps = packages.flatMap((pkg) => recursive_deps(data, pkg)) | ||
| let times = _.uniq([...packages, ...deps]) | ||
| .map((pkg) => data.times.get(pkg)) | ||
| .filter((x) => x != null) | ||
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| console.log({ packages, deps, times, z: _.uniq([...packages, ...deps]) }) | ||
| let sum = (xs) => xs.reduce((acc, x) => acc + (x == null || isNaN(x) ? 0 : x), 0) | ||
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| return { | ||
| install: sum(times.map(_.property("install"))) * timing_weights.install, | ||
| precompile: sum(times.map(_.property("precompile"))) * timing_weights.precompile, | ||
| load: sum(times.map(_.property("load"))) * timing_weights.load, | ||
| } | ||
| } | ||
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| const timing_weights = { | ||
| // Because the GitHub Action runner has superfast internet | ||
| install: 2, | ||
| // Because the GitHub Action runner has average compute speed | ||
| load: 1, | ||
| // Because precompilation happens in parallel | ||
| precompile: 0.3, | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| export const ProcessStatus = { | ||
| ready: "ready", | ||
| starting: "starting", | ||
| no_process: "no_process", | ||
| waiting_to_restart: "waiting_to_restart", | ||
| waiting_for_permission: "waiting_for_permission", | ||
| } |
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