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 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 6006x 6006x 6006x 6006x 6006x 6006x 6006x 6006x 6006x 6006x 5373x 3692x 3692x 1681x 1681x 1681x 1681x 5373x 5373x 5373x 5373x 6006x 6006x 6006x 6006x 6006x 6006x 5373x 5373x 5373x 5373x 4833x 4833x 4833x 5373x 5373x 5373x 5373x 5373x 5373x 6006x 6006x 6006x 6006x 6006x 4584x 2889x 2889x 2889x 2889x 1695x 1695x 1695x 1695x 1695x 1695x 1695x 1695x 1695x 1695x 1695x 1695x 4584x 241x 4584x 1428x 1454x 26x 26x 4584x 6006x 6006x 10856x 6499x 10856x 4357x 1863x 1863x 1863x 4357x 4357x 4357x 4357x 580x 4357x 99x 3777x 3678x 3678x 3678x 4357x 4357x 4357x 10856x 6005x 6005x 2721x 2721x 6005x 6005x 6005x 6005x 191x 191x 191x 6006x 2x 2x 2x 2x 4357x 4357x 4356x 1307x 4356x 1239x 440x 440x 799x 1239x 189x 189x 610x 1239x 66x 66x 544x 1239x 2x 2x 542x 1239x 26x 26x 516x 1239x 4x 4x 1239x 580x 580x 580x | /** @import { Expression } from 'estree' */
/** @import { AST, SvelteNode } from '#compiler' */
/** @import { ComponentContext } from '../../types' */
import { is_event_attribute, is_text_attribute } from '../../../../../utils/ast.js';
import * as b from '../../../../../utils/builders.js';
import { build_template_literal, build_update } from './utils.js';
/**
* Processes an array of template nodes, joining sibling text/expression nodes
* (e.g. `{a} b {c}`) into a single update function. Along the way it creates
* corresponding template node references these updates are applied to.
* @param {SvelteNode[]} nodes
* @param {(is_text: boolean) => Expression} initial
* @param {boolean} is_element
* @param {ComponentContext} context
*/
export function process_children(nodes, initial, is_element, { visit, state }) {
const within_bound_contenteditable = state.metadata.bound_contenteditable;
let prev = initial;
let skipped = 0;
/** @typedef {Array<AST.Text | AST.ExpressionTag>} Sequence */
/** @type {Sequence} */
let sequence = [];
/** @param {boolean} is_text */
function get_node(is_text) {
if (skipped === 0) {
return prev(is_text);
}
return b.call(
'$.sibling',
prev(false),
(is_text || skipped !== 1) && b.literal(skipped),
is_text && b.true
);
}
/**
* @param {boolean} is_text
* @param {string} name
*/
function flush_node(is_text, name) {
const expression = get_node(is_text);
let id = expression;
if (id.type !== 'Identifier') {
id = b.id(state.scope.generate(name));
state.init.push(b.var(id, expression));
}
prev = () => id;
skipped = 1; // the next node is `$.sibling(id)`
return id;
}
/**
* @param {Sequence} sequence
*/
function flush_sequence(sequence) {
if (sequence.every((node) => node.type === 'Text')) {
skipped += 1;
state.template.push(sequence.map((node) => node.raw).join(''));
return;
}
state.template.push(' ');
const { has_state, has_call, value } = build_template_literal(sequence, visit, state);
// if this is a standalone `{expression}`, make sure we handle the case where
// no text node was created because the expression was empty during SSR
const is_text = sequence.length === 1;
const id = flush_node(is_text, 'text');
const update = b.stmt(b.call('$.set_text', id, value));
if (has_call && !within_bound_contenteditable) {
state.init.push(build_update(update));
} else if (has_state && !within_bound_contenteditable) {
state.update.push(update);
} else {
state.init.push(b.stmt(b.assignment('=', b.member(id, 'nodeValue'), value)));
}
}
for (const node of nodes) {
if (node.type === 'Text' || node.type === 'ExpressionTag') {
sequence.push(node);
} else {
if (sequence.length > 0) {
flush_sequence(sequence);
sequence = [];
}
let child_state = state;
if (is_static_element(node)) {
skipped += 1;
} else if (node.type === 'EachBlock' && nodes.length === 1 && is_element) {
node.metadata.is_controlled = true;
} else {
const id = flush_node(false, node.type === 'RegularElement' ? node.name : 'node');
child_state = { ...state, node: id };
}
visit(node, child_state);
}
}
if (sequence.length > 0) {
flush_sequence(sequence);
}
// if there are trailing static text nodes/elements,
// traverse to the last (n - 1) one when hydrating
if (skipped > 1) {
skipped -= 1;
state.init.push(b.stmt(b.call('$.next', skipped !== 1 && b.literal(skipped))));
}
}
/**
* @param {SvelteNode} node
*/
function is_static_element(node) {
if (node.type !== 'RegularElement') return false;
if (node.fragment.metadata.dynamic) return false;
for (const attribute of node.attributes) {
if (attribute.type !== 'Attribute') {
return false;
}
if (is_event_attribute(attribute)) {
return false;
}
if (attribute.value !== true && !is_text_attribute(attribute)) {
return false;
}
if (attribute.name === 'autofocus') {
return false;
}
if (node.name === 'option' && attribute.name === 'value') {
return false;
}
if (node.name.includes('-')) {
return false; // we're setting all attributes on custom elements through properties
}
}
return true;
}
|