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Use JavaScript Optional chaining in vendors/*

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the-djmaze 2022-09-12 22:07:51 +02:00
parent e5e4675c1b
commit ef8b1f40e4
28 changed files with 619 additions and 750 deletions
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156
vendors/knockout/src/templating/templating.js vendored
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@ -28,78 +28,78 @@
nextInQueue = ko.virtualElements.nextSibling(node);
action(node, nextInQueue);
}
};
},
function activateBindingsOnContinuousNodeArray(continuousNodeArray, bindingContext) {
// To be used on any nodes that have been rendered by a template and have been inserted into some parent element
// Walks through continuousNodeArray (which *must* be continuous, i.e., an uninterrupted sequence of sibling nodes, because
// the algorithm for walking them relies on this), and for each top-level item in the virtual-element sense,
// (1) Does a regular "applyBindings" to associate bindingContext with this node and to activate any non-memoized bindings
// (2) Unmemoizes any memos in the DOM subtree (e.g., to activate bindings that had been memoized during template rewriting)
activateBindingsOnContinuousNodeArray = (continuousNodeArray, bindingContext) => {
// To be used on any nodes that have been rendered by a template and have been inserted into some parent element
// Walks through continuousNodeArray (which *must* be continuous, i.e., an uninterrupted sequence of sibling nodes, because
// the algorithm for walking them relies on this), and for each top-level item in the virtual-element sense,
// (1) Does a regular "applyBindings" to associate bindingContext with this node and to activate any non-memoized bindings
// (2) Unmemoizes any memos in the DOM subtree (e.g., to activate bindings that had been memoized during template rewriting)
if (continuousNodeArray.length) {
var firstNode = continuousNodeArray[0],
lastNode = continuousNodeArray[continuousNodeArray.length - 1],
parentNode = firstNode.parentNode;
if (continuousNodeArray.length) {
var firstNode = continuousNodeArray[0],
lastNode = continuousNodeArray[continuousNodeArray.length - 1],
parentNode = firstNode.parentNode;
// Need to applyBindings *before* unmemoziation, because unmemoization might introduce extra nodes (that we don't want to re-bind)
// whereas a regular applyBindings won't introduce new memoized nodes
invokeForEachNodeInContinuousRange(firstNode, lastNode, node => {
if (node.nodeType === 1 || node.nodeType === 8)
ko.applyBindings(bindingContext, node);
});
// Need to applyBindings *before* unmemoziation, because unmemoization might introduce extra nodes (that we don't want to re-bind)
// whereas a regular applyBindings won't introduce new memoized nodes
invokeForEachNodeInContinuousRange(firstNode, lastNode, node => {
if (node.nodeType === 1 || node.nodeType === 8)
ko.applyBindings(bindingContext, node);
});
// Make sure any changes done by applyBindings or unmemoize are reflected in the array
ko.utils.fixUpContinuousNodeArray(continuousNodeArray, parentNode);
}
}
function getFirstNodeFromPossibleArray(nodeOrNodeArray) {
return nodeOrNodeArray.nodeType ? nodeOrNodeArray
: nodeOrNodeArray.length > 0 ? nodeOrNodeArray[0]
: null;
}
function executeTemplate(targetNodeOrNodeArray, renderMode, template, bindingContext) {
var firstTargetNode = targetNodeOrNodeArray && getFirstNodeFromPossibleArray(targetNodeOrNodeArray);
var templateDocument = (firstTargetNode || template || {}).ownerDocument;
var renderedNodesArray = renderTemplateSource(makeTemplateSource(template, templateDocument));
// Loosely check result is an array of DOM nodes
if ((typeof renderedNodesArray.length != "number") || (renderedNodesArray.length > 0 && typeof renderedNodesArray[0].nodeType != "number"))
throw new Error("Template engine must return an array of DOM nodes");
var haveAddedNodesToParent = false;
switch (renderMode) {
case "replaceChildren":
ko.virtualElements.setDomNodeChildren(targetNodeOrNodeArray, renderedNodesArray);
haveAddedNodesToParent = true;
break;
case "ignoreTargetNode": break;
default:
throw new Error("Unknown renderMode: " + renderMode);
}
if (haveAddedNodesToParent) {
activateBindingsOnContinuousNodeArray(renderedNodesArray, bindingContext);
if (renderMode == "replaceChildren") {
ko.bindingEvent.notify(targetNodeOrNodeArray, ko.bindingEvent.childrenComplete);
// Make sure any changes done by applyBindings or unmemoize are reflected in the array
ko.utils.fixUpContinuousNodeArray(continuousNodeArray, parentNode);
}
}
},
return renderedNodesArray;
}
getFirstNodeFromPossibleArray = (nodeOrNodeArray) => {
return nodeOrNodeArray.nodeType ? nodeOrNodeArray
: nodeOrNodeArray.length > 0 ? nodeOrNodeArray[0]
: null;
},
function resolveTemplateName(template, data, context) {
// The template can be specified as:
if (ko.isObservable(template)) {
// 1. An observable, with string value
return template();
}
// 2. A function of (data, context) returning a string ELSE 3. A string
return (typeof template === 'function') ? template(data, context) : template;
}
executeTemplate = (targetNodeOrNodeArray, renderMode, template, bindingContext) => {
var firstTargetNode = targetNodeOrNodeArray && getFirstNodeFromPossibleArray(targetNodeOrNodeArray);
var templateDocument = (firstTargetNode || template || {}).ownerDocument;
var renderedNodesArray = renderTemplateSource(makeTemplateSource(template, templateDocument));
// Loosely check result is an array of DOM nodes
if ((typeof renderedNodesArray.length != "number") || (renderedNodesArray.length > 0 && typeof renderedNodesArray[0].nodeType != "number"))
throw new Error("Template engine must return an array of DOM nodes");
var haveAddedNodesToParent = false;
switch (renderMode) {
case "replaceChildren":
ko.virtualElements.setDomNodeChildren(targetNodeOrNodeArray, renderedNodesArray);
haveAddedNodesToParent = true;
break;
case "ignoreTargetNode": break;
default:
throw new Error("Unknown renderMode: " + renderMode);
}
if (haveAddedNodesToParent) {
activateBindingsOnContinuousNodeArray(renderedNodesArray, bindingContext);
if (renderMode == "replaceChildren") {
ko.bindingEvent.notify(targetNodeOrNodeArray, ko.bindingEvent.childrenComplete);
}
}
return renderedNodesArray;
},
resolveTemplateName = (template, data, context) => {
// The template can be specified as:
if (ko.isObservable(template)) {
// 1. An observable, with string value
return template();
}
// 2. A function of (data, context) returning a string ELSE 3. A string
return (typeof template === 'function') ? template(data, context) : template;
};
ko.renderTemplate = function (template, dataOrBindingContext, options, targetNodeOrNodeArray, renderMode) {
options = options || {};
@ -113,7 +113,7 @@
return ko.computed( // So the DOM is automatically updated when any dependency changes
() => {
// Ensure we've got a proper binding context to work with
var bindingContext = (dataOrBindingContext && (dataOrBindingContext instanceof ko.bindingContext))
var bindingContext = (dataOrBindingContext instanceof ko.bindingContext)
? dataOrBindingContext
: new ko.bindingContext(dataOrBindingContext, null, null, null, { "exportDependencies": true });
@ -174,23 +174,21 @@
subscription.disposeWhenNodeIsRemoved(targetNode);
return subscription;
} else {
return ko.computed(() => {
var unwrappedArray = ko.utils.unwrapObservable(arrayOrObservableArray) || [];
if (typeof unwrappedArray.length == "undefined") // Coerce single value into array
unwrappedArray = [unwrappedArray];
setDomNodeChildrenFromArrayMapping(unwrappedArray);
}, { disposeWhenNodeIsRemoved: targetNode });
}
return ko.computed(() => {
var unwrappedArray = ko.utils.unwrapObservable(arrayOrObservableArray) || [];
if (typeof unwrappedArray.length == "undefined") // Coerce single value into array
unwrappedArray = [unwrappedArray];
setDomNodeChildrenFromArrayMapping(unwrappedArray);
}, { disposeWhenNodeIsRemoved: targetNode });
};
var templateComputedDomDataKey = ko.utils.domData.nextKey();
function disposeOldComputedAndStoreNewOne(element, newComputed) {
var oldComputed = ko.utils.domData.get(element, templateComputedDomDataKey);
if (oldComputed && (typeof(oldComputed.dispose) == 'function'))
oldComputed.dispose();
oldComputed?.dispose?.();
ko.utils.domData.set(element, templateComputedDomDataKey, (newComputed && (!newComputed.isActive || newComputed.isActive())) ? newComputed : undefined);
}
@ -214,7 +212,7 @@
// If the nodes are already attached to a KO-generated container, we reuse that container without moving the
// elements to a new one (we check only the first node, as the nodes are always moved together)
let container = nodes[0] && nodes[0].parentNode;
let container = nodes[0]?.parentNode;
if (!container || !ko.utils.domData.get(container, cleanContainerDomDataKey)) {
container = ko.utils.moveCleanedNodesToContainerElement(nodes);
ko.utils.domData.set(container, cleanContainerDomDataKey, true);
@ -224,7 +222,7 @@
} else {
// It's an anonymous template - store the element contents, then clear the element
var templateNodes = ko.virtualElements.childNodes(element);
if (templateNodes.length > 0) {
if (templateNodes.length) {
let container = ko.utils.moveCleanedNodesToContainerElement(templateNodes); // This also removes the nodes from their current parent
new ko.templateSources.anonymousTemplate(element).nodes(container);
} else {