All files / src/compiler/phases/3-transform/server/visitors RegularElement.js

100% Statements 111/111
100% Branches 21/21
100% Functions 1/1
100% Lines 105/105

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

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 1062x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 3893x 3893x 3893x 3893x 3893x 3893x 3893x 3893x 3884x 3893x 3893x 3893x 3893x 3893x 3893x 3893x 6x 6x 6x 6x 6x 6x 6x 3887x 3887x 3887x 3887x 3887x 3887x 3887x 3887x 3887x 3887x 3887x 3887x 3887x 3887x 3893x 10x 10x 3887x 3893x 93x 93x 93x 93x 93x 93x 93x 93x 93x 93x 93x 93x 93x 3887x 3892x 3868x 3893x 19x 19x 19x 13x 13x 13x 19x 19x 19x 19x 19x 19x 19x 19x 19x 19x 19x 19x 19x 19x 19x 3887x 3893x 3567x 3567x 3887x 3893x 93x 93x 3893x  
/** @import { Location } from 'locate-character' */
/** @import { RegularElement, Text } from '#compiler' */
/** @import { ComponentContext, ComponentServerTransformState } from '../types.js' */
/** @import { Scope } from '../../../scope.js' */
import { locator } from '../../../../state.js';
import * as b from '../../../../utils/builders.js';
import { VoidElements } from '../../../constants.js';
import { clean_nodes, determine_namespace_for_children } from '../../utils.js';
import { serialize_element_attributes } from './shared/element.js';
import { process_children, serialize_template } from './shared/utils.js';
 
/**
 * @param {RegularElement} node
 * @param {ComponentContext} context
 */
export function RegularElement(node, context) {
	const namespace = determine_namespace_for_children(node, context.state.namespace);
 
	/** @type {ComponentServerTransformState} */
	const state = {
		...context.state,
		namespace,
		preserve_whitespace:
			context.state.preserve_whitespace ||
			((node.name === 'pre' || node.name === 'textarea') && namespace !== 'foreign')
	};
 
	context.state.template.push(b.literal(`<${node.name}`));
	const body = serialize_element_attributes(node, { ...context, state });
	context.state.template.push(b.literal('>'));
 
	if ((node.name === 'script' || node.name === 'style') && node.fragment.nodes.length === 1) {
		context.state.template.push(
			b.literal(/** @type {Text} */ (node.fragment.nodes[0]).data),
			b.literal(`</${node.name}>`)
		);
 
		return;
	}
 
	const { hoisted, trimmed } = clean_nodes(
		node,
		node.fragment.nodes,
		context.path,
		namespace,
		{
			...state,
			scope: /** @type {Scope} */ (state.scopes.get(node.fragment))
		},
		state.preserve_whitespace,
		state.options.preserveComments
	);
 
	for (const node of hoisted) {
		context.visit(node, state);
	}
 
	if (state.options.dev) {
		const location = /** @type {Location} */ (locator(node.start));
		state.template.push(
			b.stmt(
				b.call(
					'$.push_element',
					b.id('$$payload'),
					b.literal(node.name),
					b.literal(location.line),
					b.literal(location.column)
				)
			)
		);
	}
 
	if (body === null) {
		process_children(trimmed, { ...context, state });
	} else {
		let id = body;
 
		if (body.type !== 'Identifier') {
			id = b.id(state.scope.generate('$$body'));
			state.template.push(b.const(id, body));
		}
 
		// if this is a `<textarea>` value or a contenteditable binding, we only add
		// the body if the attribute/binding is falsy
		const inner_state = { ...state, template: [], init: [] };
		process_children(trimmed, { ...context, state: inner_state });
 
		// Use the body expression as the body if it's truthy, otherwise use the inner template
		state.template.push(
			b.if(
				id,
				b.block(serialize_template([id])),
				b.block([...inner_state.init, ...serialize_template(inner_state.template)])
			)
		);
	}
 
	if (!VoidElements.includes(node.name) || namespace === 'foreign') {
		state.template.push(b.literal(`</${node.name}>`));
	}
 
	if (state.options.dev) {
		state.template.push(b.stmt(b.call('$.pop_element')));
	}
}