73 lines
2.5 KiB
JavaScript
73 lines
2.5 KiB
JavaScript
// Utilities
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import { h, mergeProps, render, resolveComponent } from 'vue';
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import { consoleError, isObject } from "../util/index.mjs"; // Types
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export function useDirectiveComponent(component, props) {
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const concreteComponent = typeof component === 'string' ? resolveComponent(component) : component;
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const hook = mountComponent(concreteComponent, props);
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return {
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mounted: hook,
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updated: hook,
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unmounted(el) {
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render(null, el);
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}
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};
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}
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function mountComponent(component, props) {
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return function (el, binding, vnode) {
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const _props = typeof props === 'function' ? props(binding) : props;
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const text = binding.value?.text ?? binding.value ?? _props?.text;
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const value = isObject(binding.value) ? binding.value : {};
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// Get the children from the props or directive value, or the element's children
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const children = () => text ?? el.textContent;
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// If vnode.ctx is the same as the instance, then we're bound to a plain element
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// and need to find the nearest parent component instance to inherit provides from
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const provides = (vnode.ctx === binding.instance.$ ? findComponentParent(vnode, binding.instance.$)?.provides : vnode.ctx?.provides) ?? binding.instance.$.provides;
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const node = h(component, mergeProps(_props, value), children);
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node.appContext = Object.assign(Object.create(null), binding.instance.$.appContext, {
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provides
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});
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render(node, el);
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};
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}
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function findComponentParent(vnode, root) {
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// Walk the tree from root until we find the child vnode
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const stack = new Set();
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const walk = children => {
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for (const child of children) {
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if (!child) continue;
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if (child === vnode || child.el && vnode.el && child.el === vnode.el) {
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return true;
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}
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stack.add(child);
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let result;
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if (child.suspense) {
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result = walk([child.ssContent]);
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} else if (Array.isArray(child.children)) {
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result = walk(child.children);
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} else if (child.component?.vnode) {
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result = walk([child.component?.subTree]);
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}
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if (result) {
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return result;
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}
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stack.delete(child);
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}
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return false;
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};
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if (!walk([root.subTree])) {
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consoleError('Could not find original vnode, component will not inherit provides');
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return root;
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}
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// Return the first component parent
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const result = Array.from(stack).reverse();
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for (const child of result) {
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if (child.component) {
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return child.component;
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}
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}
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return root;
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}
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//# sourceMappingURL=directiveComponent.mjs.map
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