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Remove knockout evaluatorFunctionTarget

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Drop deprecated knockout throttle extender
Added knockout debounce extender
This commit is contained in:
djmaze 2021-02-10 11:33:36 +01:00
parent b9b0a550d6
commit 75b7176ada
15 changed files with 158 additions and 226 deletions
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17
vendors/knockout/src/subscribables/dependentObservable.js vendored
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@ -1,6 +1,6 @@
var computedState = Symbol('_state');
ko.computed = function (evaluatorFunctionOrOptions, evaluatorFunctionTarget, options) {
ko.computed = function (evaluatorFunctionOrOptions, options) {
if (typeof evaluatorFunctionOrOptions === "object") {
// Single-parameter syntax - everything is on this "options" param
options = evaluatorFunctionOrOptions;
@ -25,7 +25,6 @@ ko.computed = function (evaluatorFunctionOrOptions, evaluatorFunctionTarget, opt
pure: false,
isSleeping: false,
readFunction: options["read"],
evaluatorFunctionTarget: evaluatorFunctionTarget || options["owner"],
disposeWhenNodeIsRemoved: options["disposeWhenNodeIsRemoved"] || options.disposeWhenNodeIsRemoved || null,
disposeWhen: options["disposeWhen"] || options.disposeWhen,
domNodeDisposalCallback: null,
@ -38,7 +37,7 @@ ko.computed = function (evaluatorFunctionOrOptions, evaluatorFunctionTarget, opt
if (arguments.length > 0) {
if (typeof writeFunction === "function") {
// Writing a value
writeFunction.apply(state.evaluatorFunctionTarget, arguments);
writeFunction(...arguments);
} else {
throw new Error("Cannot write a value to a ko.computed unless you specify a 'write' option. If you wish to read the current value, don't pass any parameters.");
}
@ -327,8 +326,7 @@ var computedFn = {
// overhead of computed evaluation (on V8 at least).
try {
var readFunction = state.readFunction;
return state.evaluatorFunctionTarget ? readFunction.call(state.evaluatorFunctionTarget) : readFunction();
return state.readFunction();
} finally {
ko.dependencyDetection.end();
@ -395,9 +393,6 @@ var computedFn = {
state.disposeWhenNodeIsRemoved = undefined;
state.disposeWhen = undefined;
state.readFunction = undefined;
if (!this.hasWriteFunction) {
state.evaluatorFunctionTarget = undefined;
}
}
};
@ -491,11 +486,11 @@ ko.exportSymbol('computed', ko.computed);
ko.exportSymbol('computed.fn', computedFn);
ko.exportProperty(computedFn, 'dispose', computedFn.dispose);
ko.pureComputed = (evaluatorFunctionOrOptions, evaluatorFunctionTarget) => {
ko.pureComputed = (evaluatorFunctionOrOptions) => {
if (typeof evaluatorFunctionOrOptions === 'function') {
return ko.computed(evaluatorFunctionOrOptions, evaluatorFunctionTarget, {'pure':true});
return ko.computed(evaluatorFunctionOrOptions, {'pure':true});
}
evaluatorFunctionOrOptions = ko.utils.extend({}, evaluatorFunctionOrOptions); // make a copy of the parameter object
evaluatorFunctionOrOptions['pure'] = true;
return ko.computed(evaluatorFunctionOrOptions, evaluatorFunctionTarget);
return ko.computed(evaluatorFunctionOrOptions);
};