All files / src/compiler/phases/3-transform/client/visitors KeyBlock.js

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Press n or j to go to the next uncovered block, b, p or k for the previous block.

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/** @import { Expression } from 'estree' */
/** @import { AST } from '#compiler' */
/** @import { ComponentContext } from '../types' */
import * as b from '../../../../utils/builders.js';
 
/**
 * @param {AST.KeyBlock} node
 * @param {ComponentContext} context
 */
export function KeyBlock(node, context) {
	context.state.template.push('<!>');
 
	const key = /** @type {Expression} */ (context.visit(node.expression));
	const body = /** @type {Expression} */ (context.visit(node.fragment));
 
	context.state.init.push(
		b.stmt(b.call('$.key', context.state.node, b.thunk(key), b.arrow([b.id('$$anchor')], body)))
	);
}