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Replace babel command decorators with proper knockout command decorators

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djmaze 2021-02-19 12:09:20 +01:00
parent b6d8fa5b3f
commit 540b12ed26
27 changed files with 181 additions and 132 deletions
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40
dev/Knoin/Knoin.js
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@ -320,32 +320,27 @@ export function startScreens(screensClasses) {
setTimeout(() => $htmlCL.add('rl-started-delay'), 200);
}
/**
* @param {Function} canExecute
* @returns {Function}
*/
function commandDecorator(canExecute = true) {
return (target, key, descriptor) => {
if (!key || !key.match(/Command$/)) {
throw new Error(`name "${key}" should end with Command suffix`);
}
const value = descriptor.value || descriptor.initializer(),
normCanExecute = typeof canExecute === 'function' ? canExecute : () => !!canExecute;
descriptor.value = function(...args) {
if (normCanExecute.call(this, this)) {
value.apply(this, args);
function decorateKoCommands(thisArg, commands) {
Object.entries(commands).forEach(([key, canExecute]) => {
let command = thisArg[key],
fn = function(...args) {
if (fn.enabled() && canExecute.call(thisArg, thisArg)) {
command.apply(thisArg, args);
}
return false;
};
descriptor.value.__realCanExecute = normCanExecute;
descriptor.value.isCommand = true;
// fn.__realCanExecute = canExecute;
// fn.isCommand = true;
return descriptor;
};
fn.enabled = ko.observable(true);
fn.canExecute = (typeof canExecute === 'function')
? ko.computed(() => fn.enabled() && canExecute.call(thisArg, thisArg))
: ko.computed(() => fn.enabled() && !!canExecute);
thisArg[key] = fn;
});
}
/**
@ -370,7 +365,6 @@ function settingsMenuKeysHandler(items) {
}
export {
commandDecorator,
commandDecorator as command,
decorateKoCommands,
settingsMenuKeysHandler
};