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Improved ko.extenders.limitedList

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the-djmaze 2022-02-25 17:18:45 +01:00
parent 1d63683cf9
commit 0bf891ba9d
1 changed files with 13 additions and 21 deletions
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34
dev/External/ko.js vendored
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@ -154,28 +154,20 @@ Object.assign(ko.bindingHandlers, {
ko.extenders.limitedList = (target, limitedList) => {
const result = ko
.computed({
read: target,
write: (newValue) => {
const currentValue = ko.unwrap(target),
list = ko.unwrap(limitedList);
if (arrayLength(list)) {
if (list.includes(newValue)) {
target(newValue);
} else if (list.includes(currentValue, list)) {
target(currentValue + ' ');
target(currentValue);
} else {
target(list[0] + ' ');
target(list[0]);
}
} else {
target('');
}
.computed({
read: target,
write: newValue => {
let currentValue = target(),
list = ko.unwrap(limitedList);
list = arrayLength(list) ? list : [''];
if (!list.includes(newValue)) {
newValue = list.includes(currentValue, list) ? currentValue : list[0];
target(newValue + ' ');
}
})
.extend({ notify: 'always' });
target(newValue);
}
})
.extend({ notify: 'always' });
result(target());