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 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 5938x 5938x 5938x 5938x 5938x 5938x 5938x 5938x 5938x 5938x 5320x 3654x 3654x 1666x 1666x 1666x 1666x 5320x 5320x 5320x 5320x 5938x 5938x 5938x 5938x 5938x 5938x 5320x 5320x 5320x 5320x 4789x 4789x 4789x 5320x 5320x 5320x 5320x 5320x 5320x 5938x 5938x 5938x 5938x 5938x 4536x 2856x 2856x 2856x 2856x 1680x 1680x 1680x 1680x 1680x 1680x 1680x 1680x 1680x 1680x 1680x 1680x 4536x 243x 4536x 1411x 1437x 26x 26x 4536x 5938x 5938x 10757x 6443x 10757x 4314x 1850x 1850x 1850x 4314x 4314x 4314x 4314x 576x 4314x 98x 3738x 3640x 3640x 3640x 4314x 4314x 4314x 10757x 5937x 5937x 2686x 2686x 5937x 5937x 5937x 5937x 191x 191x 191x 5938x 2x 2x 2x 2x 4314x 4314x 4313x 1289x 4313x 1223x 437x 437x 786x 1223x 176x 176x 610x 1223x 70x 70x 540x 1223x 26x 26x 514x 1223x 4x 4x 1223x 576x 576x 576x | /** @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 (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;
}
|