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Allow using un() for events registered with once()

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This commit is contained in:
Andreas Hocevar
2020-06-11 12:14:32 +02:00
parent 1ef103ed66
commit 852fe2a3fe
2 changed files with 17 additions and 5 deletions
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15
src/ol/Observable.js
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@@ -78,16 +78,18 @@ class Observable extends EventTarget {
* @api
*/
once(type, listener) {
let key;
if (Array.isArray(type)) {
const len = type.length;
const keys = new Array(len);
key = new Array(len);
for (let i = 0; i < len; ++i) {
keys[i] = listenOnce(this, type[i], listener);
key[i] = listenOnce(this, type[i], listener);
}
return keys;
} else {
return listenOnce(this, /** @type {string} */ (type), listener);
key = listenOnce(this, /** @type {string} */ (type), listener);
}
/** @type {Object} */ (listener).ol_key = key;
return key;
}
/**
@@ -97,7 +99,10 @@ class Observable extends EventTarget {
* @api
*/
un(type, listener) {
if (Array.isArray(type)) {
const key = /** @type {Object} */ (listener).ol_key;
if (key) {
unByKey(key);
} else if (Array.isArray(type)) {
for (let i = 0, ii = type.length; i < ii; ++i) {
this.removeEventListener(type[i], listener);
}