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 | 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 166x 65x 65x 65x 166x 66x 66x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 137x 137x 137x 137x 137x 137x 137x 137x 137x 137x 137x 137x 137x 137x 137x 137x 137x 137x 137x 137x 137x 137x 137x 213x 213x 213x 213x 213x 213x 213x 213x 213x 213x 70x 8x 8x 8x 8x 8x 8x 70x 62x 62x 62x 62x 62x 70x 213x 213x 199x 199x 199x 199x 199x 136x 199x 199x 199x 175x 175x 175x 175x 175x 175x 175x 170x 170x 170x 170x 170x 170x 175x 199x 199x 199x 199x 66x 66x 199x 70x 70x 199x 199x 213x 213x 213x 213x 213x 213x 137x 137x 137x 137x 137x 137x 137x | 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) => 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?.() || (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());
if (child_anchor) {
// `child_anchor` can be undefined if this is a void element with children,
// i.e. `<svelte:element this={"hr"}>...</svelte:element>`. This is
// user error, but we warn on it elsewhere (in dev) so here we just
// silently ignore it
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(parent_effect, element);
}
});
}
tag = next_tag;
if (tag) current_tag = tag;
set_should_intro(true);
set_current_each_item(previous_each_item);
});
return () => {
element?.remove();
};
});
}
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