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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 9414x 9414x 9414x 9414x 9414x 9414x 9414x 9414x 9414x 9414x 24x 5x 1x 1x 5x 23x 24x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 24x 9381x 9381x 9381x 9381x 9414x 9414x 9414x 44x 44x 44x 9414x 18x 18x 18x 9381x 9381x 9381x 9414x 9414x 2x 9414x 1x 1x 9381x 9381x 9381x 9381x 9381x 9381x 9381x 9381x 9414x 21x 21x 21x 9381x 9414x 1305x 1305x 1305x 1305x 1305x 5252x 5252x 5252x 5252x 5252x 5252x 4819x 5252x 435x 435x 435x 5252x 5252x 3118x 1305x 1x 1x 1x 1x 1x 1x 1x 1x 1305x 1305x 1305x 5252x 203x 203x 203x 4x 4x 4x 4x 4x 2134x 1931x 1931x 1931x 1931x 1892x 1931x 41x 41x 5252x 1301x 9377x 9377x 9377x 9377x 9377x 9414x 9414x 109x 9414x 61x 61x 9377x 9377x 9377x | /** @import { AST } from '#compiler' */
/** @import { Context } from '../types' */
import { is_mathml, is_svg, is_void } from '../../../../utils.js';
import {
is_tag_valid_with_ancestor,
is_tag_valid_with_parent
} from '../../../../html-tree-validation.js';
import * as e from '../../../errors.js';
import * as w from '../../../warnings.js';
import { create_attribute, is_custom_element_node } from '../../nodes.js';
import { regex_starts_with_newline } from '../../patterns.js';
import { check_element } from './shared/a11y.js';
import { validate_element } from './shared/element.js';
import { mark_subtree_dynamic } from './shared/fragment.js';
/**
* @param {AST.RegularElement} node
* @param {Context} context
*/
export function RegularElement(node, context) {
validate_element(node, context);
check_element(node, context.state);
node.metadata.path = [...context.path];
context.state.analysis.elements.push(node);
// Special case: Move the children of <textarea> into a value attribute if they are dynamic
if (node.name === 'textarea' && node.fragment.nodes.length > 0) {
for (const attribute of node.attributes) {
if (attribute.type === 'Attribute' && attribute.name === 'value') {
e.textarea_invalid_content(node);
}
}
if (node.fragment.nodes.length > 1 || node.fragment.nodes[0].type !== 'Text') {
const first = node.fragment.nodes[0];
if (first.type === 'Text') {
// The leading newline character needs to be stripped because of a qirk:
// It is ignored by browsers if the tag and its contents are set through
// innerHTML, but we're now setting it through the value property at which
// point it is _not_ ignored, so we need to strip it ourselves.
// see https://html.spec.whatwg.org/multipage/syntax.html#element-restrictions
// see https://html.spec.whatwg.org/multipage/grouping-content.html#the-pre-element
first.data = first.data.replace(regex_starts_with_newline, '');
first.raw = first.raw.replace(regex_starts_with_newline, '');
}
node.attributes.push(
create_attribute(
'value',
/** @type {AST.Text} */ (node.fragment.nodes.at(0)).start,
/** @type {AST.Text} */ (node.fragment.nodes.at(-1)).end,
// @ts-ignore
node.fragment.nodes
)
);
node.fragment.nodes = [];
}
}
// Special case: single expression tag child of option element -> add "fake" attribute
// to ensure that value types are the same (else for example numbers would be strings)
if (
node.name === 'option' &&
node.fragment.nodes?.length === 1 &&
node.fragment.nodes[0].type === 'ExpressionTag' &&
!node.attributes.some(
(attribute) => attribute.type === 'Attribute' && attribute.name === 'value'
)
) {
const child = node.fragment.nodes[0];
node.attributes.push(create_attribute('value', child.start, child.end, [child]));
}
const binding = context.state.scope.get(node.name);
if (
binding !== null &&
binding.declaration_kind === 'import' &&
binding.references.length === 0
) {
w.component_name_lowercase(node, node.name);
}
node.metadata.has_spread = node.attributes.some(
(attribute) => attribute.type === 'SpreadAttribute'
);
node.metadata.svg = is_svg(node.name);
node.metadata.mathml = is_mathml(node.name);
if (is_custom_element_node(node) && node.attributes.length > 0) {
// we're setting all attributes on custom elements through properties
mark_subtree_dynamic(context.path);
}
if (context.state.parent_element) {
let past_parent = false;
let only_warn = false;
const ancestors = [context.state.parent_element];
for (let i = context.path.length - 1; i >= 0; i--) {
const ancestor = context.path[i];
if (
ancestor.type === 'IfBlock' ||
ancestor.type === 'EachBlock' ||
ancestor.type === 'AwaitBlock' ||
ancestor.type === 'KeyBlock'
) {
// We're creating a separate template string inside blocks, which means client-side this would work
only_warn = true;
}
if (!past_parent) {
if (ancestor.type === 'RegularElement' && ancestor.name === context.state.parent_element) {
if (!is_tag_valid_with_parent(node.name, context.state.parent_element)) {
if (only_warn) {
w.node_invalid_placement_ssr(
node,
`\`<${node.name}>\``,
context.state.parent_element
);
} else {
e.node_invalid_placement(node, `\`<${node.name}>\``, context.state.parent_element);
}
}
past_parent = true;
}
} else if (ancestor.type === 'RegularElement') {
ancestors.push(ancestor.name);
if (!is_tag_valid_with_ancestor(node.name, ancestors)) {
if (only_warn) {
w.node_invalid_placement_ssr(node, `\`<${node.name}>\``, ancestor.name);
} else {
e.node_invalid_placement(node, `\`<${node.name}>\``, ancestor.name);
}
}
} else if (
ancestor.type === 'Component' ||
ancestor.type === 'SvelteComponent' ||
ancestor.type === 'SvelteElement' ||
ancestor.type === 'SvelteSelf' ||
ancestor.type === 'SnippetBlock'
) {
break;
}
}
}
// Strip off any namespace from the beginning of the node name.
const node_name = node.name.replace(/[a-zA-Z-]*:/g, '');
if (
context.state.analysis.source[node.end - 2] === '/' &&
!is_void(node_name) &&
!is_svg(node_name)
) {
w.element_invalid_self_closing_tag(node, node.name);
}
context.next({ ...context.state, parent_element: node.name });
}
|