mirror of https://github.com/sveltejs/svelte
parent
02925da2e4
commit
9c5a97b69c
@ -1,48 +1,49 @@
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import Wrapper from './shared/Wrapper';
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import Renderer from '../Renderer';
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import Block from '../Block';
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import Head from '../../nodes/Head';
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import FragmentWrapper from './Fragment';
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import Wrapper from './shared/Wrapper.js';
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import FragmentWrapper from './Fragment.js';
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import { x, b } from 'code-red';
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import { Identifier } from 'estree';
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/** @extends Wrapper */
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export default class HeadWrapper extends Wrapper {
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fragment: FragmentWrapper;
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node: Head;
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constructor(
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renderer: Renderer,
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block: Block,
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parent: Wrapper,
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node: Head,
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strip_whitespace: boolean,
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next_sibling: Wrapper
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) {
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super(renderer, block, parent, node);
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this.fragment = new FragmentWrapper(
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renderer,
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block,
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node.children,
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this,
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strip_whitespace,
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next_sibling
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);
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}
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render(block: Block, _parent_node: Identifier, _parent_nodes: Identifier) {
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let nodes: Identifier;
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if (this.renderer.options.hydratable && this.fragment.nodes.length) {
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nodes = block.get_unique_name('head_nodes');
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block.chunks.claim.push(
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b`const ${nodes} = @head_selector('${this.node.id}', @_document.head);`
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);
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}
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this.fragment.render(block, x`@_document.head` as unknown as Identifier, nodes);
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if (nodes && this.renderer.options.hydratable) {
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block.chunks.claim.push(b`${nodes}.forEach(@detach);`);
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}
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}
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/** @type {import('./Fragment.js').default} */
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fragment;
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/** @type {import('../../nodes/Head.js').default} */
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node;
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/**
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* @param {import('../Renderer.js').default} renderer
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* @param {import('../Block.js').default} block
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* @param {import('./shared/Wrapper.js').default} parent
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* @param {import('../../nodes/Head.js').default} node
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* @param {boolean} strip_whitespace
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* @param {import('./shared/Wrapper.js').default} next_sibling
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*/
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constructor(renderer, block, parent, node, strip_whitespace, next_sibling) {
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super(renderer, block, parent, node);
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this.fragment = new FragmentWrapper(renderer, block, node.children, this, strip_whitespace, next_sibling);
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}
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/**
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* @param {import('../Block.js').default} block
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* @param {import('estree').Identifier} _parent_node
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* @param {import('estree').Identifier} _parent_nodes
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*/
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render(block, _parent_node, _parent_nodes) {
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/** @type {import('estree').Identifier} */
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let nodes;
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if (this.renderer.options.hydratable && this.fragment.nodes.length) {
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nodes = block.get_unique_name('head_nodes');
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block.chunks.claim.push(b `const ${nodes} = @head_selector('${this.node.id}', @_document.head);`);
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}
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this.fragment.render(block, /** @type {unknown} */ /** @type {import('estree').Identifier} */ ((x `@_document.head`)), nodes);
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if (nodes && this.renderer.options.hydratable) {
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block.chunks.claim.push(b `${nodes}.forEach(@detach);`);
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}
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}
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}
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