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More Knockout code to ES6

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djmaze 2021-07-29 11:43:47 +02:00
parent b7cb990b00
commit cbecdd93a0
22 changed files with 733 additions and 865 deletions
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17
vendors/knockout/src/utils.domNodeDisposal.js vendored
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@ -6,22 +6,21 @@ ko.utils.domNodeDisposal = (() => {
const getDisposeCallbacksCollection = (node, createIfNotFound) => {
var allDisposeCallbacks = ko.utils.domData.get(node, domDataKey);
if ((allDisposeCallbacks === undefined) && createIfNotFound) {
allDisposeCallbacks = [];
if (createIfNotFound && !allDisposeCallbacks) {
allDisposeCallbacks = new Set;
ko.utils.domData.set(node, domDataKey, allDisposeCallbacks);
}
return allDisposeCallbacks;
},
destroyCallbacksCollection = node => ko.utils.domData.set(node, domDataKey, undefined),
destroyCallbacksCollection = node => ko.utils.domData.set(node, domDataKey, null),
cleanSingleNode = node => {
// Run all the dispose callbacks
var callbacks = getDisposeCallbacksCollection(node);
if (callbacks) {
callbacks = callbacks.slice(0); // Clone, as the array may be modified during iteration (typically, callbacks will remove themselves)
for (var i = 0; i < callbacks.length; i++)
callbacks[i](node);
// Clone, as the array may be modified during iteration (typically, callbacks will remove themselves)
(new Set(callbacks)).forEach(callback => callback(node));
}
// Erase the DOM data
@ -49,14 +48,14 @@ ko.utils.domNodeDisposal = (() => {
addDisposeCallback : (node, callback) => {
if (typeof callback != "function")
throw new Error("Callback must be a function");
getDisposeCallbacksCollection(node, 1).push(callback);
getDisposeCallbacksCollection(node, 1).add(callback);
},
removeDisposeCallback : (node, callback) => {
var callbacksCollection = getDisposeCallbacksCollection(node);
if (callbacksCollection) {
ko.utils.arrayRemoveItem(callbacksCollection, callback);
callbacksCollection.length || destroyCallbacksCollection(node);
callbacksCollection.delete(callback);
callbacksCollection.size || destroyCallbacksCollection(node);
}
},