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More Optional chaining in Knockout.js

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This commit is contained in:
the-djmaze 2022-09-13 22:00:31 +02:00
parent d18f93d87f
commit a566f6ed5a
10 changed files with 391 additions and 476 deletions
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15
vendors/knockout/src/binding/selectExtensions.js vendored
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@ -8,11 +8,13 @@
readValue : element => {
switch (element.nodeName) {
case 'OPTION':
if (element[hasDomDataExpandoProperty] === true)
return ko.utils.domData.get(element, ko.bindingHandlers.options.optionValueDomDataKey);
return element.value;
return (element[hasDomDataExpandoProperty] === true)
? ko.utils.domData.get(element, ko.bindingHandlers.options.optionValueDomDataKey)
: element.value;
case 'SELECT':
return element.selectedIndex >= 0 ? ko.selectExtensions.readValue(element.options[element.selectedIndex]) : undefined;
return element.selectedIndex >= 0
? ko.selectExtensions.readValue(element.options[element.selectedIndex])
: undefined;
default:
return element.value;
}
@ -37,8 +39,9 @@
break;
case 'SELECT':
// A blank string or null value will select the caption
var selection = -1, noValue = ("" === value || null == value);
for (var i = 0, n = element.options.length, optionValue; i < n; ++i) {
var selection = -1, noValue = ("" === value || null == value),
i = element.options.length, optionValue;
while (i--) {
optionValue = ko.selectExtensions.readValue(element.options[i]);
// Include special check to handle selecting a caption with a blank string value
if (optionValue == value || (optionValue === "" && noValue)) {