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Refactoring: move some loading logic into svelte element

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This commit is contained in:
Pieter Vander Vennet 2025-01-23 13:03:12 +01:00
parent 8354da0fe1
commit 06c096b21a
5 changed files with 84 additions and 102 deletions
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51
src/index.ts
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@ -1,65 +1,22 @@
import DetermineTheme from "./Logic/DetermineTheme"
import SvelteUIElement from "./UI/Base/SvelteUIElement"
import ThemeViewGUI from "./UI/ThemeViewGUI.svelte"
import { FixedUiElement } from "./UI/Base/FixedUiElement"
import Combine from "./UI/Base/Combine"
import { SubtleButton } from "./UI/Base/SubtleButton"
import { Utils } from "./Utils"
import Constants from "./Models/Constants"
import ArrowDownTray from "@babeard/svelte-heroicons/mini/ArrowDownTray"
import { WithSearchState } from "./Models/ThemeViewState/WithSearchState"
import { UIEventSource } from "./Logic/UIEventSource"
import SingleThemeGui from "./UI/SingleThemeGui.svelte"
function webgl_support() {
try {
const canvas = document.createElement("canvas")
return (
!!window.WebGLRenderingContext &&
(canvas.getContext("webgl") || canvas.getContext("experimental-webgl"))
)
} catch (e) {
return false
}
}
async function timeout(timeMS: number): Promise<{ layers: string[] }> {
await Utils.waitFor(timeMS)
return { layers: [] }
}
async function getAvailableLayers(): Promise<Set<string>> {
if (!Constants.SummaryServer) {
return new Set<string>()
}
try {
const host = new URL(Constants.SummaryServer).host
const status: { layers: string[] } = await Promise.any([
Utils.downloadJson<{ layers }>("https://" + host + "/summary/status.json"),
timeout(2500),
])
return new Set<string>(status.layers)
} catch (e) {
console.error("Could not get MVT available layers due to", e)
return new Set<string>()
}
}
async function main() {
try {
if (!webgl_support()) {
throw "WebGL is not supported or not enabled. This is essential for MapComplete to function, please enable this."
}
const availableLayers = UIEventSource.FromPromise(getAvailableLayers())
const theme = await DetermineTheme.getTheme()
availableLayers.addCallbackAndRunD(availableLayers => {
console.log("The available layers on server are", Array.from(availableLayers))
})
const state = new WithSearchState(theme, availableLayers)
const target = document.getElementById("maindiv")
const childs = Array.from(target.children)
new ThemeViewGUI({
new SingleThemeGui({
target,
props: { state },
props: { theme }
})
childs.forEach((ch) => target.removeChild(ch))
Array.from(document.getElementsByClassName("delete-on-load")).forEach((el) => {