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 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 66x 66x 66x 66x 66x 200x 65x 65x 65x 200x 66x 66x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 139x 139x 139x 139x 139x 139x 139x 139x 139x 139x 139x 139x 139x 139x 139x 139x 139x 139x 139x 139x 139x 139x 139x 215x 215x 215x 215x 211x 215x 215x 215x 215x 215x 215x 215x 215x 215x 70x 8x 8x 8x 8x 8x 8x 70x 62x 62x 62x 62x 62x 70x 215x 215x 201x 201x 201x 201x 201x 137x 201x 201x 201x 181x 181x 181x 181x 181x 181x 181x 181x 181x 181x 181x 181x 201x 201x 201x 201x 66x 66x 201x 71x 71x 201x 201x 215x 215x 215x 215x 215x 215x 139x 139x 139x 139x 139x 139x 139x | import { namespace_svg } from '../../../../constants.js';
import { hydrate_anchor, hydrate_nodes, hydrating } from '../hydration.js';
import { empty } from '../operations.js';
import {
block,
branch,
destroy_effect,
pause_effect,
render_effect,
resume_effect
} from '../../reactivity/effects.js';
import { is_array } from '../../utils.js';
import { set_should_intro } from '../../render.js';
import { current_each_item, set_current_each_item } from './each.js';
import { current_effect } from '../../runtime.js';
import { push_template_node } from '../template.js';
/**
* @param {import('#client').Effect} effect
* @param {Element} from
* @param {Element} to
* @returns {void}
*/
function swap_block_dom(effect, from, to) {
const dom = effect.dom;
if (is_array(dom)) {
for (let i = 0; i < dom.length; i++) {
if (dom[i] === from) {
dom[i] = to;
break;
}
}
} else if (dom === from) {
effect.dom = to;
}
}
/**
* @param {Comment} anchor
* @param {() => string} get_tag
* @param {boolean} is_svg
* @param {undefined | ((element: Element, anchor: Node | null) => void)} render_fn,
* @param {undefined | (() => string)} get_namespace
* @returns {void}
*/
export function element(anchor, get_tag, is_svg, render_fn, get_namespace) {
const parent_effect = /** @type {import('#client').Effect} */ (current_effect);
render_effect(() => {
/** @type {string | null} */
let tag;
/** @type {string | null} */
let current_tag;
/** @type {null | Element} */
let element = null;
/** @type {import('#client').Effect | null} */
let effect;
/**
* The keyed `{#each ...}` item block, if any, that this element is inside.
* We track this so we can set it when changing the element, allowing any
* `animate:` directive to bind itself to the correct block
*/
let each_item_block = current_each_item;
block(() => {
const next_tag = get_tag() || null;
const ns = get_namespace
? get_namespace()
: is_svg || next_tag === 'svg'
? namespace_svg
: null;
// Assumption: Noone changes the namespace but not the tag (what would that even mean?)
if (next_tag === tag) return;
// See explanation of `each_item_block` above
var previous_each_item = current_each_item;
set_current_each_item(each_item_block);
if (effect) {
if (next_tag === null) {
// start outro
pause_effect(effect, () => {
effect = null;
current_tag = null;
element?.remove();
});
} else if (next_tag === current_tag) {
// same tag as is currently rendered — abort outro
resume_effect(effect);
} else {
// tag is changing — destroy immediately, render contents without intro transitions
destroy_effect(effect);
set_should_intro(false);
}
}
if (next_tag && next_tag !== current_tag) {
effect = branch(() => {
const prev_element = element;
element = hydrating
? /** @type {Element} */ (hydrate_nodes[0])
: ns
? document.createElementNS(ns, next_tag)
: document.createElement(next_tag);
if (render_fn) {
// If hydrating, use the existing ssr comment as the anchor so that the
// inner open and close methods can pick up the existing nodes correctly
var child_anchor = hydrating
? element.firstChild && hydrate_anchor(/** @type {Comment} */ (element.firstChild))
: element.appendChild(empty());
// `child_anchor` is undefined if this is a void element, but we still
// need to call `render_fn` in order to run actions etc. If the element
// contains children, it's a user error (which is warned on elsewhere)
// and the DOM will be silently discarded
render_fn(element, child_anchor);
}
anchor.before(element);
if (prev_element) {
swap_block_dom(parent_effect, prev_element, element);
prev_element.remove();
} else if (!hydrating) {
push_template_node(element, parent_effect);
}
});
}
tag = next_tag;
if (tag) current_tag = tag;
set_should_intro(true);
set_current_each_item(previous_each_item);
});
return () => {
element?.remove();
};
});
}
|