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export function getResolver(timeout = 5000) {
const resolver = {};
resolver.id = generateId(8);
resolver.completed = false;
resolver.resolved = false;
resolver.rejected = false;
resolver.promise = new Promise((resolve, reject) => {
resolver.reject = () => {
resolver.completed = true;
resolver.rejected = true;
reject();
};
resolver.resolve = (data) => {
resolver.completed = true;
resolver.resolved = true;
resolve(data);
};
});
resolver.timeout = setTimeout(() => {
if (!resolver.completed) {
resolver.reject();
}
}, timeout);
return resolver;
}
const DEBOUNCE_FN_TO_PROMISE = new WeakMap();
export function debounce(fn, ms = 64) {
if (!DEBOUNCE_FN_TO_PROMISE.get(fn)) {
DEBOUNCE_FN_TO_PROMISE.set(fn, wait(ms).then(() => {
DEBOUNCE_FN_TO_PROMISE.delete(fn);
fn();
}));
}
return DEBOUNCE_FN_TO_PROMISE.get(fn);
}
export function wait(ms = 16) {
if (ms === 16) {
return new Promise((resolve) => {
requestAnimationFrame(() => {
resolve();
});
});
}
return new Promise((resolve) => {
setTimeout(() => {
resolve();
}, ms);
});
}
function dec2hex(dec) {
return dec.toString(16).padStart(2, "0");
}
export function generateId(length) {
const arr = new Uint8Array(length / 2);
crypto.getRandomValues(arr);
return Array.from(arr, dec2hex).join("");
}
export function getObjectValue(obj, objKey, def) {
if (!obj || !objKey)
return def;
const keys = objKey.split(".");
const key = keys.shift();
const found = obj[key];
if (keys.length) {
return getObjectValue(found, keys.join("."), def);
}
return found;
}
export function setObjectValue(obj, objKey, value, createMissingObjects = true) {
if (!obj || !objKey)
return obj;
const keys = objKey.split(".");
const key = keys.shift();
if (obj[key] === undefined) {
if (!createMissingObjects) {
return;
}
obj[key] = {};
}
if (!keys.length) {
obj[key] = value;
}
else {
if (typeof obj[key] != "object") {
obj[key] = {};
}
setObjectValue(obj[key], keys.join("."), value, createMissingObjects);
}
return obj;
}
export function moveArrayItem(arr, itemOrFrom, to) {
const from = typeof itemOrFrom === "number" ? itemOrFrom : arr.indexOf(itemOrFrom);
arr.splice(to, 0, arr.splice(from, 1)[0]);
}
export function removeArrayItem(arr, itemOrIndex) {
const index = typeof itemOrIndex === "number" ? itemOrIndex : arr.indexOf(itemOrIndex);
arr.splice(index, 1);
}
export function injectCss(href) {
if (document.querySelector(`link[href^="${href}"]`)) {
return Promise.resolve();
}
return new Promise((resolve) => {
const link = document.createElement("link");
link.setAttribute("rel", "stylesheet");
link.setAttribute("type", "text/css");
const timeout = setTimeout(resolve, 1000);
link.addEventListener("load", (e) => {
clearInterval(timeout);
resolve();
});
link.href = href;
document.head.appendChild(link);
});
}
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