nicecode-v2/packages/meta/lib/_util/throttleByAnimationFrame.js

54 lines
2.1 KiB
JavaScript

var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
// If the importer is in node compatibility mode or this is not an ESM
// file that has been converted to a CommonJS file using a Babel-
// compatible transform (i.e. "__esModule" has not been set), then set
// "default" to the CommonJS "module.exports" for node compatibility.
isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
// src/_util/throttleByAnimationFrame.ts
var throttleByAnimationFrame_exports = {};
__export(throttleByAnimationFrame_exports, {
default: () => throttleByAnimationFrame_default
});
module.exports = __toCommonJS(throttleByAnimationFrame_exports);
var import_raf = __toESM(require("rc-util/lib/raf"));
function throttleByAnimationFrame(fn) {
let requestId;
const later = (args) => () => {
requestId = null;
fn(...args);
};
const throttled = (...args) => {
if (requestId == null) {
requestId = (0, import_raf.default)(later(args));
}
};
throttled.cancel = () => {
import_raf.default.cancel(requestId);
requestId = null;
};
return throttled;
}
var throttleByAnimationFrame_default = throttleByAnimationFrame;