mirror of https://github.com/sveltejs/svelte
parent
056700196e
commit
974408c346
@ -1,30 +1,32 @@
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import Renderer, { RenderOptions } from '../Renderer';
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import EachBlock from '../../nodes/EachBlock';
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import { x } from 'code-red';
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import { x } from 'code-red';
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import { get_const_tags } from './shared/get_const_tags';
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import { get_const_tags } from './shared/get_const_tags.js';
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import { Node } from 'estree';
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export default function (node: EachBlock, renderer: Renderer, options: RenderOptions) {
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/**
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* @param {import('../../nodes/EachBlock.js').default} node
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* @param {import('../Renderer.js').default} renderer
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* @param {import('../Renderer.js').RenderOptions} options
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*/
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export default function (node, renderer, options) {
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const args = [node.context_node];
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const args = [node.context_node];
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if (node.index) args.push({ type: 'Identifier', name: node.index });
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if (node.index)
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args.push({ type: 'Identifier', name: node.index });
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renderer.push();
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renderer.push();
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renderer.render(node.children, options);
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renderer.render(node.children, options);
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const result = renderer.pop();
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const result = renderer.pop();
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const consequent = x `@each(${node.expression.node}, (${args}) => { ${get_const_tags(node.const_tags)}; return ${result} })`;
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const consequent = x`@each(${node.expression.node}, (${args}) => { ${get_const_tags(
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node.const_tags
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)}; return ${result} })`;
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if (node.else) {
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if (node.else) {
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renderer.push();
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renderer.push();
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renderer.render(node.else.children, options);
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renderer.render(node.else.children, options);
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let alternate: Node = renderer.pop();
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let alternate = renderer.pop();
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if (node.else.const_tags.length > 0)
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if (node.else.const_tags.length > 0)
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alternate = x `(() => { ${get_const_tags(node.else.const_tags)}; return ${alternate} })()`;
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alternate = x `(() => { ${get_const_tags(node.else.const_tags)}; return ${alternate} })()`;
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renderer.add_expression(x `${node.expression.node}.length ? ${consequent} : ${alternate}`);
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renderer.add_expression(x `${node.expression.node}.length ? ${consequent} : ${alternate}`);
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} else {
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}
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else {
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renderer.add_expression(consequent);
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renderer.add_expression(consequent);
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}
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}
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}
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}
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