stable-diffusion-webui/script.js

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JavaScript
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function gradioApp(){
return document.getElementsByTagName('gradio-app')[0].shadowRoot;
}
function get_uiCurrentTab() {
return gradioApp().querySelector('.tabs button:not(.border-transparent)')
}
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uiUpdateCallbacks = []
uiTabChangeCallbacks = []
let uiCurrentTab = null
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function onUiUpdate(callback){
uiUpdateCallbacks.push(callback)
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}
function onUiTabChange(callback){
uiTabChangeCallbacks.push(callback)
}
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function runCallback(x){
try {
x()
} catch (e) {
(console.error || console.log).call(console, e.message, e);
}
}
function executeCallbacks(queue) {
queue.forEach(runCallback)
}
document.addEventListener("DOMContentLoaded", function() {
var mutationObserver = new MutationObserver(function(m){
executeCallbacks(uiUpdateCallbacks);
const newTab = get_uiCurrentTab();
if ( newTab && ( newTab !== uiCurrentTab ) ) {
uiCurrentTab = newTab;
executeCallbacks(uiTabChangeCallbacks);
}
});
mutationObserver.observe( gradioApp(), { childList:true, subtree:true })
});