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Remove some unused Knockout code

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This commit is contained in:
the-djmaze 2024-01-08 05:24:15 +01:00
parent 6a715da1ac
commit 81ccee1152
5 changed files with 89 additions and 106 deletions
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5
vendors/knockout/src/binding/bindingProvider.js vendored
View file

@ -29,14 +29,13 @@ ko.bindingProvider = new class
var bindingsString = getBindingsString(node);
if (bindingsString) {
try {
let options = { 'valueAccessors': true },
cacheKey = bindingsString,
let cacheKey = bindingsString,
bindingFunction = bindingCache.get(cacheKey);
if (!bindingFunction) {
// 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) } }
var rewrittenBindings = ko.expressionRewriting.preProcessBindings(bindingsString, options),
var rewrittenBindings = ko.expressionRewriting.preProcessBindings(bindingsString),
functionBody = "with($context){with($data||{}){return{" + rewrittenBindings + "}}}";
bindingFunction = new Function("$context", "$element", functionBody);
bindingCache.set(cacheKey, bindingFunction);

4
vendors/knockout/src/binding/defaultBindings/checked.js vendored
View file

@ -48,8 +48,8 @@ ko.bindingHandlers['checked'] = {
// currently checked, replace the old elem value with the new elem value
// in the model array.
if (isChecked) {
writableValue.push(elemValue);
writableValue.remove(saveOldValue);
writableValue.push(elemValue);
writableValue.remove(saveOldValue);
}
} else {
// When we're responding to the user having checked/unchecked a checkbox,

33
vendors/knockout/src/binding/expressionRewriting.js vendored
View file

@ -64,7 +64,9 @@ ko.expressionRewriting = (() => {
// A comma signals the end of a key/value pair if depth is zero
if (c === 44) { // ","
if (depth <= 0) {
result.push((key && values.length) ? {key: key, value: values.join('')} : {'unknown': key || values.join('')});
result.push((key && values.length)
? {key: key, value: values.join('')}
: {'unknown': key || values.join('')});
key = depth = 0;
values = [];
continue;
@ -111,33 +113,24 @@ ko.expressionRewriting = (() => {
// Two-way bindings include a write function that allow the handler to update the value even if it's not an observable.
twoWayBindings = new Set,
preProcessBindings = (bindingsStringOrKeyValueArray, bindingOptions) => {
preProcessBindings = (bindingsStringOrKeyValueArray) => {
var resultStrings = [],
propertyAccessorResultStrings = [],
makeValueAccessors = bindingOptions?.['valueAccessors'],
bindingParams = bindingOptions?.['bindingParams'],
keyValueArray = typeof bindingsStringOrKeyValueArray === "string" ?
parseObjectLiteral(bindingsStringOrKeyValueArray) : bindingsStringOrKeyValueArray,
keyValueArray = parseObjectLiteral(bindingsStringOrKeyValueArray),
processKeyValue = (key, val) => {
var writableVal,
callPreprocessHook = obj =>
obj?.['preprocess'] ? (val = obj['preprocess'](val, key, processKeyValue)) : true;
if (!bindingParams) {
if (!callPreprocessHook(ko.bindingHandlers[key]))
return;
var writableVal, obj = ko.bindingHandlers[key];
if (obj?.['preprocess'] && !obj['preprocess'](val, key, processKeyValue))
return;
if (twoWayBindings.has(key) && (writableVal = getWriteableValue(val))) {
// For two-way bindings, provide a write method in case the value
// isn't a writable observable.
propertyAccessorResultStrings.push("'" + key + "':function(_z){" + writableVal + "=_z}");
}
if (twoWayBindings.has(key) && (writableVal = getWriteableValue(val))) {
// For two-way bindings, provide a write method in case the value
// isn't a writable observable.
propertyAccessorResultStrings.push("'" + key + "':function(_z){" + writableVal + "=_z}");
}
// Values are wrapped in a function so that each value can be accessed independently
if (makeValueAccessors) {
val = 'function(){return ' + val + ' }';
}
val = 'function(){return ' + val + ' }';
resultStrings.push("'" + key + "':" + val);
};