SvelteKit參考

$app/environment

import { const browser: booleantrue if the app is running in the browser.
browser, const building: booleanSvelteKit analyses your app during the build step by running it. During this process, building is true. This also applies during prerendering.
building, const dev: booleanWhether the dev server is running. This is not guaranteed to correspond to NODE_ENV or MODE.
dev, const version: stringThe value of config.kit.version.name.
version } from '$app/environment';

browser

如果應用程式在瀏覽器中執行，則為 true。

const browser: boolean;

building

SvelteKit 在 build 步驟中透過執行你的應用程式來分析它。在此過程中，building 為 true。這也適用於預先渲染期間。

const building: boolean;

dev

開發伺服器是否正在執行。這不保證對應到 NODE_ENV 或 MODE。

const dev: boolean;

version

config.kit.version.name 的值。

const version: string;

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@sveltejs/kit/vite $app/forms