forked from 77media/video-flow
38 lines
1.3 KiB
TypeScript
38 lines
1.3 KiB
TypeScript
import { ScriptSlice, ScriptSliceType } from "@/app/service/domain/valueObject";
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export function parseScriptEntity(text: string):ScriptSlice {
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const scriptSlice = new ScriptSlice(
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// 生成唯一ID，单次使用即可
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`${Date.now().toString(36)}${Math.random().toString(36).slice(2, 8)}`,
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ScriptSliceType.text,
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text,
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{}
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);
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return scriptSlice;
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}
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/**
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* @description 节流函数，限制函数在指定时间间隔内只执行一次
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* @param {Function} func - 需要被节流的函数
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* @param {number} delay - 节流时间间隔（毫秒）
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* @returns {Function} - 节流后的新函数
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* @throws {Error} - 如果参数类型不正确
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* @example
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* const throttledFn = throttle(() => { console.log('触发'); }, 1000);
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* window.addEventListener('resize', throttledFn);
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*/
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export function throttle<T extends (...args: any[]) => any>(func: T, delay: number=100): (...args: Parameters<T>) => void {
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if (typeof delay !== 'number' || delay < 0) {
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throw new Error('throttle: 第二个参数必须是非负数');
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}
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let lastCall = 0;
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return (...args: Parameters<T>) => {
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const now = Date.now();
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if (now - lastCall >= delay) {
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lastCall = now;
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func(...args);
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}
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};
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}
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