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 5992x 5992x 5992x 5992x 5992x 5992x 5992x 5992x 5992x 5992x 5362x 3683x 3683x 1679x 1679x 1679x 1679x 5362x 5362x 5362x 5362x 5992x 5992x 5992x 5992x 5992x 5992x 5362x 5362x 5362x 5362x 4826x 4826x 4826x 5362x 5362x 5362x 5362x 5362x 5362x 5992x 5992x 5992x 5992x 5992x 4574x 2884x 2884x 2884x 2884x 1690x 1690x 1690x 1690x 1690x 1690x 1690x 1690x 1690x 1690x 1690x 1690x 4574x 239x 4574x 1425x 1451x 26x 26x 4574x 5992x 5992x 10837x 6486x 10837x 4351x 1862x 1862x 1862x 4351x 4351x 4351x 4351x 580x 4351x 99x 3771x 3672x 3672x 3672x 4351x 4351x 4351x 10837x 5991x 5991x 2712x 2712x 5991x 5991x 5991x 5991x 191x 191x 191x 5992x 2x 2x 2x 2x 4351x 4351x 4350x 1306x 4350x 1238x 440x 440x 798x 1238x 188x 188x 610x 1238x 66x 66x 544x 1238x 2x 2x 542x 1238x 26x 26x 516x 1238x 4x 4x 1238x 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;
}
|