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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 8294x 8294x 8294x 8294x 4872x 4872x 4872x 4872x 4872x 4872x 4872x 6860x 6860x 6860x 4321x 4321x 6860x 15x 15x 15x 2539x 2524x 2524x 2524x 2524x 2524x 6860x 4872x 4872x 7396x 7396x 4872x 4872x 4872x 8294x 8294x 13018x 13018x 13018x 6860x 13018x 6158x 1891x 1891x 1891x 6158x 6158x 6158x 13018x 8294x 8294x 2981x 2981x 8294x 2x 2x 2x 2x 2x 23430x 23430x 23430x 2x 2x 2x 2x 2x 2x 2x 2x 4380x 4380x 4380x 4380x 4380x 4380x 4380x 4380x 4380x 4380x 5039x 5039x 5039x 5039x 5039x 5039x 5039x 5039x 5039x 5039x 5039x 5039x 5039x 5039x 4380x 4380x 4380x 23430x 23430x 23430x 2383x 1489x 1489x 2383x 2383x 23430x 21047x 5039x 5039x 21047x 21047x 15490x 21047x 4872x 4872x 4872x 5557x 685x 685x 685x 21047x 23430x 23430x 4380x 3550x 3550x 4380x 4380x 4380x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2341x 2341x 2341x 2341x 2341x 2341x 27x 27x 2314x 2341x 2244x 2244x 2244x 1266x 1266x 1266x 1266x 1266x 1266x 978x 978x 978x 70x 70x 70x 70x 70x 70x 70x 2258x 182x 182x 182x 95x 95x 95x 182x 87x 87x 87x 87x 87x 87x 87x 182x 70x 70x 70x 2x 2x 2x 2x 2x 2x 2x 13274x 13274x 13274x 3661x 3661x 3661x 9613x 13274x 225x 225x 225x 225x 225x 225x 225x 225x 9388x 9388x 9388x | /** @import { AssignmentOperator, Expression, Identifier, Node, Statement, TemplateElement } from 'estree' */
/** @import { AST, SvelteNode } from '#compiler' */
/** @import { ComponentContext, ServerTransformState } from '../../types.js' */
import { escape_html } from '../../../../../../escaping.js';
import {
BLOCK_CLOSE,
BLOCK_OPEN,
EMPTY_COMMENT
} from '../../../../../../internal/server/hydration.js';
import * as b from '../../../../../utils/builders.js';
import { sanitize_template_string } from '../../../../../utils/sanitize_template_string.js';
import { regex_whitespaces_strict } from '../../../../patterns.js';
/** Opens an if/each block, so that we can remove nodes in the case of a mismatch */
export const block_open = b.literal(BLOCK_OPEN);
/** Closes an if/each block, so that we can remove nodes in the case of a mismatch. Also serves as an anchor for these blocks */
export const block_close = b.literal(BLOCK_CLOSE);
/** Empty comment to keep text nodes separate, or provide an anchor node for blocks */
export const empty_comment = b.literal(EMPTY_COMMENT);
/**
* Processes an array of template nodes, joining sibling text/expression nodes and
* recursing into child nodes.
* @param {Array<SvelteNode>} nodes
* @param {ComponentContext} context
*/
export function process_children(nodes, { visit, state }) {
/** @type {Array<AST.Text | AST.Comment | AST.ExpressionTag>} */
let sequence = [];
function flush() {
let quasi = b.quasi('', false);
const quasis = [quasi];
/** @type {Expression[]} */
const expressions = [];
for (let i = 0; i < sequence.length; i++) {
const node = sequence[i];
if (node.type === 'Text' || node.type === 'Comment') {
quasi.value.cooked +=
node.type === 'Comment' ? `<!--${node.data}-->` : escape_html(node.data);
} else if (node.type === 'ExpressionTag' && node.expression.type === 'Literal') {
if (node.expression.value != null) {
quasi.value.cooked += escape_html(node.expression.value + '');
}
} else {
expressions.push(b.call('$.escape', /** @type {Expression} */ (visit(node.expression))));
quasi = b.quasi('', i + 1 === sequence.length);
quasis.push(quasi);
}
}
for (const quasi of quasis) {
quasi.value.raw = sanitize_template_string(/** @type {string} */ (quasi.value.cooked));
}
state.template.push(b.template(quasis, expressions));
}
for (let i = 0; i < nodes.length; i += 1) {
const node = nodes[i];
if (node.type === 'Text' || node.type === 'Comment' || node.type === 'ExpressionTag') {
sequence.push(node);
} else {
if (sequence.length > 0) {
flush();
sequence = [];
}
visit(node, { ...state });
}
}
if (sequence.length > 0) {
flush();
}
}
/**
* @param {Node} node
* @returns {node is Statement}
*/
function is_statement(node) {
return node.type.endsWith('Statement') || node.type.endsWith('Declaration');
}
/**
* @param {Array<Statement | Expression>} template
* @param {Identifier} out
* @param {AssignmentOperator} operator
* @returns {Statement[]}
*/
export function build_template(template, out = b.id('$$payload.out'), operator = '+=') {
/** @type {string[]} */
let strings = [];
/** @type {Expression[]} */
let expressions = [];
/** @type {Statement[]} */
const statements = [];
const flush = () => {
statements.push(
b.stmt(
b.assignment(
operator,
out,
b.template(
strings.map((cooked, i) => b.quasi(cooked, i === strings.length - 1)),
expressions
)
)
)
);
strings = [];
expressions = [];
};
for (let i = 0; i < template.length; i++) {
const node = template[i];
if (is_statement(node)) {
if (strings.length !== 0) {
flush();
}
statements.push(node);
} else {
if (strings.length === 0) {
strings.push('');
}
if (node.type === 'Literal') {
strings[strings.length - 1] += node.value;
} else if (node.type === 'TemplateLiteral') {
strings[strings.length - 1] += node.quasis[0].value.cooked;
strings.push(...node.quasis.slice(1).map((q) => /** @type {string} */ (q.value.cooked)));
expressions.push(...node.expressions);
} else {
expressions.push(node);
strings.push('');
}
}
}
if (strings.length !== 0) {
flush();
}
return statements;
}
/**
*
* @param {AST.Attribute['value']} value
* @param {ComponentContext} context
* @param {boolean} trim_whitespace
* @param {boolean} is_component
* @returns {Expression}
*/
export function build_attribute_value(
value,
context,
trim_whitespace = false,
is_component = false
) {
if (value === true) {
return b.true;
}
if (!Array.isArray(value) || value.length === 1) {
const chunk = Array.isArray(value) ? value[0] : value;
if (chunk.type === 'Text') {
const data = trim_whitespace
? chunk.data.replace(regex_whitespaces_strict, ' ').trim()
: chunk.data;
return b.literal(is_component ? data : escape_html(data, true));
}
return /** @type {Expression} */ (context.visit(chunk.expression));
}
let quasi = b.quasi('', false);
const quasis = [quasi];
/** @type {Expression[]} */
const expressions = [];
for (let i = 0; i < value.length; i++) {
const node = value[i];
if (node.type === 'Text') {
quasi.value.raw += trim_whitespace
? node.data.replace(regex_whitespaces_strict, ' ')
: node.data;
} else {
expressions.push(
b.call('$.stringify', /** @type {Expression} */ (context.visit(node.expression)))
);
quasi = b.quasi('', i + 1 === value.length);
quasis.push(quasi);
}
}
return b.template(quasis, expressions);
}
/**
* @param {Identifier} node
* @param {ServerTransformState} state
* @returns {Expression}
*/
export function build_getter(node, state) {
const binding = state.scope.get(node.name);
if (binding === null || node === binding.node) {
// No associated binding or the declaration itself which shouldn't be transformed
return node;
}
if (binding.kind === 'store_sub') {
const store_id = b.id(node.name.slice(1));
return b.call(
'$.store_get',
b.assignment('??=', b.id('$$store_subs'), b.object([])),
b.literal(node.name),
build_getter(store_id, state)
);
}
return node;
}
|