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KnockoutJS remove with($context) scope for faster access

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the-djmaze 2024-09-24 13:55:07 +02:00
parent 932525566f
commit c14bbab945
4 changed files with 11 additions and 19 deletions
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5
vendors/knockout/src/binding/bindingAttributeSyntax.js vendored
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@ -43,11 +43,6 @@ ko.bindingContext = class {
}
} else {
self['$root'] = dataItem;
// Export 'ko' in the binding context so it will be available in bindings and templates
// even if 'ko' isn't exported as a global, such as when using an AMD loader.
// See https://github.com/SteveSanderson/knockout/issues/490
self['ko'] = ko;
}
self[contextSubscribable] = subscribable;

7
vendors/knockout/src/binding/bindingProvider.js vendored
View file

@ -35,12 +35,13 @@ ko.bindingProvider = new class
// Build the source for a function that evaluates "expression"
// For each scope variable, add an extra level of "with" nesting
// Example result: with(sc1) { with(sc0) { return (expression) } }
// Deprecated: with is no longer recommended
var rewrittenBindings = ko.expressionRewriting.preProcessBindings(bindingsString),
functionBody = "with($context){with($data||{}){return{" + rewrittenBindings + "}}}";
bindingFunction = new Function("$context", "$element", functionBody);
functionBody = "with($data){return{" + rewrittenBindings + "}}";
bindingFunction = new Function("$root", "$parent", "$data", "$element", functionBody);
bindingCache.set(cacheKey, bindingFunction);
}
return bindingFunction(bindingContext, node);
return bindingFunction(bindingContext["$root"], bindingContext["$parent"], bindingContext["$data"] || {}, node);
} catch (ex) {
ex.message = "Unable to parse bindings.\nBindings value: " + bindingsString
+ "\nMessage: " + ex.message;