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 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 862x 862x 862x 862x 862x 862x 862x 390x 390x 862x 862x 862x 862x 862x 862x 862x 862x 862x 862x 862x 862x 862x 1828x 1584x 1584x 1584x 1584x 1828x 390x 390x 390x 1x 1x 1x 1x 1x 1x 1x 1x 390x 1584x 1828x 807x 44x 807x 763x 763x 806x 807x 58x 56x 58x 58x 1828x 777x 777x 200x 200x 777x 777x 344x 280x 344x 344x 777x 1583x 1828x 1x 1x 1x 862x 862x 862x 390x 390x 862x | /** @import { TemplateNode } from '#client' */
import { EFFECT_TRANSPARENT } from '../../constants.js';
import {
hydrate_next,
hydrate_node,
hydrating,
remove_nodes,
set_hydrate_node,
set_hydrating
} from '../hydration.js';
import { block, branch, pause_effect, resume_effect } from '../../reactivity/effects.js';
import { HYDRATION_START_ELSE } from '../../../../constants.js';
/**
* @param {TemplateNode} anchor
* @param {() => boolean} get_condition
* @param {(anchor: Node) => import('#client').Dom} consequent_fn
* @param {null | ((anchor: Node) => import('#client').Dom)} [alternate_fn]
* @param {boolean} [elseif] True if this is an `{:else if ...}` block rather than an `{#if ...}`, as that affects which transitions are considered 'local'
* @returns {void}
*/
export function if_block(
anchor,
get_condition,
consequent_fn,
alternate_fn = null,
elseif = false
) {
if (hydrating) {
hydrate_next();
}
/** @type {import('#client').Effect | null} */
var consequent_effect = null;
/** @type {import('#client').Effect | null} */
var alternate_effect = null;
/** @type {boolean | null} */
var condition = null;
var flags = elseif ? EFFECT_TRANSPARENT : 0;
block(() => {
if (condition === (condition = !!get_condition())) return;
/** Whether or not there was a hydration mismatch. Needs to be a `let` or else it isn't treeshaken out */
let mismatch = false;
if (hydrating) {
const is_else = /** @type {Comment} */ (anchor).data === HYDRATION_START_ELSE;
if (condition === is_else) {
// Hydration mismatch: remove everything inside the anchor and start fresh.
// This could happen with `{#if browser}...{/if}`, for example
anchor = remove_nodes();
set_hydrate_node(anchor);
set_hydrating(false);
mismatch = true;
}
}
if (condition) {
if (consequent_effect) {
resume_effect(consequent_effect);
} else {
consequent_effect = branch(() => consequent_fn(anchor));
}
if (alternate_effect) {
pause_effect(alternate_effect, () => {
alternate_effect = null;
});
}
} else {
if (alternate_effect) {
resume_effect(alternate_effect);
} else if (alternate_fn) {
alternate_effect = branch(() => alternate_fn(anchor));
}
if (consequent_effect) {
pause_effect(consequent_effect, () => {
consequent_effect = null;
});
}
}
if (mismatch) {
// continue in hydration mode
set_hydrating(true);
}
}, flags);
if (hydrating) {
anchor = hydrate_node;
}
}
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