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improved knockout observableArray with all Array.prototype functions

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This commit is contained in:
djmaze 2020-11-03 15:53:50 +01:00
parent 6e84334b09
commit bdd68d0d8f
5 changed files with 226 additions and 253 deletions
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29
vendors/knockout/src/subscribables/dependencyDetection.js vendored
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@ -2,16 +2,14 @@
ko.computedContext = ko.dependencyDetection = (() => {
var outerFrames = [],
currentFrame,
lastId = 0;
lastId = 0,
function begin(options) {
outerFrames.push(currentFrame);
currentFrame = options;
}
begin = options => {
outerFrames.push(currentFrame);
currentFrame = options;
},
function end() {
currentFrame = outerFrames.pop();
}
end = () => currentFrame = outerFrames.pop();
return {
begin: begin,
@ -22,7 +20,8 @@ ko.computedContext = ko.dependencyDetection = (() => {
if (currentFrame) {
if (!ko.isSubscribable(subscribable))
throw new Error("Only subscribable things can act as dependencies");
currentFrame.callback.call(currentFrame.callbackTarget, subscribable, subscribable._id || (subscribable._id = ++lastId));
currentFrame.callback.call(currentFrame.callbackTarget, subscribable,
subscribable._id || (subscribable._id = ++lastId));
}
},
@ -36,23 +35,19 @@ ko.computedContext = ko.dependencyDetection = (() => {
},
getDependenciesCount: () => {
if (currentFrame)
return currentFrame.computed.getDependenciesCount();
return currentFrame && currentFrame.computed.getDependenciesCount();
},
getDependencies: () => {
if (currentFrame)
return currentFrame.computed.getDependencies();
return currentFrame && currentFrame.computed.getDependencies();
},
isInitial: () => {
if (currentFrame)
return currentFrame.isInitial;
return currentFrame && currentFrame.isInitial;
},
computed: () => {
if (currentFrame)
return currentFrame.computed;
return currentFrame && currentFrame.computed;
}
};
})();