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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 3153x 3153x 3153x 3153x 3153x 3153x 1170x 1166x 1166x 1166x 1170x 1170x 1170x 1170x 3153x 3153x 3153x 3153x 3153x 28x 28x 28x 28x 28x 28x 3153x 2x 2x 2x 2x 2x 2x 150x 152x 152x 150x 150x 595x 595x 150x 2x 2x 2x 2x 2x 2x 2x 228136x 228136x 228136x 228136x 228136x 228136x 228136x 228136x 228136x 228136x 228136x 228136x 228136x 228136x 228136x 228136x 228136x 226799x 226799x 226799x 226643x 226799x 226132x 226132x 226132x 226132x 226132x 226132x 226132x 667x 667x 667x 667x 667x 667x 667x 226799x 6x 6x 6x 6x 661x 226799x 647x 647x 647x 647x 226799x 1998x 228136x 228136x 228136x 228136x 228136x 228136x 2x 2x 228136x 228136x 228136x 228136x 2264x 2264x 2264x 2264x 2264x 2264x 2264x 2264x 2264x 439x 307x 307x 439x 132x 132x 439x 2264x 2264x 2264x 2264x 2264x 1739x 2264x 266x 266x 2264x 2264x 228136x 228136x 228136x 228136x 1998x 1998x 1998x 1998x 1998x 228136x | import { render_effect } from '../../reactivity/effects.js';
import { all_registered_events, root_event_handles } from '../../render.js';
import { define_property, is_array } from '../../utils.js';
/**
* @param {string} event_name
* @param {Element} dom
* @param {EventListener} handler
* @param {boolean} capture
* @param {boolean} [passive]
* @returns {void}
*/
export function event(event_name, dom, handler, capture, passive) {
var options = { capture, passive };
/**
* @this {EventTarget}
*/
function target_handler(/** @type {Event} */ event) {
if (!capture) {
// Only call in the bubble phase, else delegated events would be called before the capturing events
handle_event_propagation(dom, event);
}
if (!event.cancelBubble) {
return handler.call(this, event);
}
}
dom.addEventListener(event_name, target_handler, options);
// @ts-ignore
if (dom === document.body || dom === window || dom === document) {
render_effect(() => {
return () => {
dom.removeEventListener(event_name, target_handler, options);
};
});
}
}
/**
* @param {Array<string>} events
* @returns {void}
*/
export function delegate(events) {
for (var i = 0; i < events.length; i++) {
all_registered_events.add(events[i]);
}
for (var fn of root_event_handles) {
fn(events);
}
}
/**
* @param {Node} handler_element
* @param {Event} event
* @returns {void}
*/
export function handle_event_propagation(handler_element, event) {
var owner_document = handler_element.ownerDocument;
var event_name = event.type;
var path = event.composedPath?.() || [];
var current_target = /** @type {null | Element} */ (path[0] || event.target);
if (event.target !== current_target) {
define_property(event, 'target', {
configurable: true,
value: current_target
});
}
// composedPath contains list of nodes the event has propagated through.
// We check __root to skip all nodes below it in case this is a
// parent of the __root node, which indicates that there's nested
// mounted apps. In this case we don't want to trigger events multiple times.
var path_idx = 0;
// @ts-expect-error is added below
var handled_at = event.__root;
if (handled_at) {
var at_idx = path.indexOf(handled_at);
if (
at_idx !== -1 &&
(handler_element === document || handler_element === /** @type {any} */ (window))
) {
// This is the fallback document listener or a window listener, but the event was already handled
// -> ignore, but set handle_at to document/window so that we're resetting the event
// chain in case someone manually dispatches the same event object again.
// @ts-expect-error
event.__root = handler_element;
return;
}
// We're deliberately not skipping if the index is higher, because
// someone could create an event programmatically and emit it multiple times,
// in which case we want to handle the whole propagation chain properly each time.
// (this will only be a false negative if the event is dispatched multiple times and
// the fallback document listener isn't reached in between, but that's super rare)
var handler_idx = path.indexOf(handler_element);
if (handler_idx === -1) {
// handle_idx can theoretically be -1 (happened in some JSDOM testing scenarios with an event listener on the window object)
// so guard against that, too, and assume that everything was handled at this point.
return;
}
if (at_idx <= handler_idx) {
// +1 because at_idx is the element which was already handled, and there can only be one delegated event per element.
// Avoids on:click and onclick on the same event resulting in onclick being fired twice.
path_idx = at_idx + 1;
}
}
current_target = /** @type {Element} */ (path[path_idx] || event.target);
// Proxy currentTarget to correct target
define_property(event, 'currentTarget', {
configurable: true,
get() {
return current_target || owner_document;
}
});
/** @param {Element} next_target */
function next(next_target) {
current_target = next_target;
/** @type {null | Element} */
var parent_element = next_target.parentNode || /** @type {any} */ (next_target).host || null;
try {
// @ts-expect-error
var delegated = next_target['__' + event_name];
if (delegated !== undefined && !(/** @type {any} */ (next_target).disabled)) {
if (is_array(delegated)) {
var [fn, ...data] = delegated;
fn.apply(next_target, [event, ...data]);
} else {
delegated.call(next_target, event);
}
}
} finally {
if (
!event.cancelBubble &&
parent_element !== handler_element &&
parent_element !== null &&
next_target !== handler_element
) {
next(parent_element);
}
}
}
try {
next(current_target);
} finally {
// @ts-expect-error is used above
event.__root = handler_element;
// @ts-expect-error is used above
current_target = handler_element;
}
}
|