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 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 145x 145x 145x 145x 145x 145x 145x 145x 145x 145x 145x 145x 145x 145x 145x 145x 145x 145x 145x 145x 145x 145x 221x 221x 221x 221x 217x 221x 221x 221x 221x 221x 221x 221x 221x 221x 70x 8x 8x 8x 8x 8x 8x 70x 62x 62x 62x 62x 62x 70x 221x 221x 207x 207x 207x 207x 141x 207x 207x 207x 18x 18x 18x 18x 18x 18x 18x 18x 18x 207x 207x 187x 187x 187x 187x 187x 187x 187x 187x 187x 187x 187x 187x 207x 207x 207x 207x 207x 207x 207x 207x 221x 221x 221x 221x 221x 221x 145x 145x | import { namespace_svg } from '../../../../constants.js';
import { hydrate_anchor, hydrate_start, hydrating } from '../hydration.js';
import { empty } from '../operations.js';
import {
block,
branch,
destroy_effect,
pause_effect,
resume_effect
} from '../../reactivity/effects.js';
import { set_should_intro } from '../../render.js';
import { current_each_item, set_current_each_item } from './each.js';
import { current_component_context } from '../../runtime.js';
import { DEV } from 'esm-env';
/**
* @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
* @param {undefined | [number, number]} location
* @returns {void}
*/
export function element(anchor, get_tag, is_svg, render_fn, get_namespace, location) {
const filename = DEV && location && current_component_context?.function.filename;
/** @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(() => {
element = hydrating
? /** @type {Element} */ (hydrate_start)
: ns
? document.createElementNS(ns, next_tag)
: document.createElement(next_tag);
if (DEV && location) {
// @ts-expect-error
element.__svelte_meta = {
loc: {
file: filename,
line: location[0],
column: location[1]
}
};
}
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);
return () => {
element?.remove();
};
});
}
tag = next_tag;
if (tag) current_tag = tag;
set_should_intro(true);
set_current_each_item(previous_each_item);
});
}
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