primevue-mirror/components/lib/usestyle/UseStyle.js

72 lines
1.8 KiB
JavaScript

/*
* Ported from useStyleTag in @vueuse/core
* https://github.com/vueuse
*/
import { DomHandler } from 'primevue/utils';
import { getCurrentInstance, nextTick, onMounted, readonly, ref, watch } from 'vue';
function tryOnMounted(fn, sync = true) {
if (getCurrentInstance()) onMounted(fn);
else if (sync) fn();
else nextTick(fn);
}
let _id = 0;
export function useStyle(css, options = {}) {
const isLoaded = ref(false);
const defaultDocument = DomHandler.isClient() ? window.document : undefined;
const { document = defaultDocument, immediate = true, manual = false, name = `style_${++_id}`, id = undefined, media = undefined } = options;
const cssRef = ref(css);
let stop = () => {};
const load = () => {
if (!document) return;
const el = document.querySelector(`style[data-primevue-style-id="${name}"]`) || document.getElementById(id) || document.createElement('style');
if (!el.isConnected) {
el.type = 'text/css';
id && (el.id = id);
media && (el.media = media);
document.head.appendChild(el);
name && el.setAttribute('data-primevue-style-id', name);
}
if (isLoaded.value) return;
stop = watch(
cssRef,
(value) => {
el.textContent = value;
},
{ immediate: true }
);
isLoaded.value = true;
};
const unload = () => {
if (!document || !isLoaded.value) return;
stop();
document.head.removeChild(document.getElementById(id));
isLoaded.value = false;
};
if (immediate && !manual) tryOnMounted(load);
/*if (!manual)
tryOnScopeDispose(unload)*/
return {
id,
css: cssRef,
unload,
load,
isLoaded: readonly(isLoaded)
};
}