修改文件名称,去除多余代码,修改节流函数
This commit is contained in:
+29
-40
@@ -1,35 +1,16 @@
|
||||
export function debounce(func, wait, immediate) {
|
||||
let timeout, args, context, timestamp, result;
|
||||
|
||||
const later = function() {
|
||||
// 据上一次触发时间间隔
|
||||
const last = +new Date() - timestamp;
|
||||
|
||||
// 上次被包装函数被调用时间间隔 last 小于设定时间间隔 wait
|
||||
if (last < wait && last > 0) {
|
||||
timeout = setTimeout(later, wait - last);
|
||||
} else {
|
||||
timeout = null;
|
||||
// 如果设定为immediate===true,因为开始边界已经调用过了此处无需调用
|
||||
if (!immediate) {
|
||||
result = func.apply(context, args);
|
||||
if (!timeout) context = args = null;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
return function(...args) {
|
||||
context = this;
|
||||
timestamp = +new Date();
|
||||
const callNow = immediate && !timeout;
|
||||
// 如果延时不存在,重新设定延时
|
||||
if (!timeout) timeout = setTimeout(later, wait);
|
||||
if (callNow) {
|
||||
result = func.apply(context, args);
|
||||
context = args = null;
|
||||
}
|
||||
|
||||
return result;
|
||||
/**
|
||||
* @param {Function} fn 函数
|
||||
* @param {Number} delay 延迟时间
|
||||
*/
|
||||
export function debounce(fn, delay) {
|
||||
var timer;
|
||||
return function () {
|
||||
var context = this;
|
||||
var args = arguments;
|
||||
clearTimeout(timer);
|
||||
timer = setTimeout(function () {
|
||||
fn.apply(context, args);
|
||||
}, delay);
|
||||
};
|
||||
}
|
||||
|
||||
@@ -38,9 +19,9 @@ export function debounce(func, wait, immediate) {
|
||||
* @param {String} fmt 需要转换的格式 如 yyyy-MM-dd、yyyy-MM-dd HH:mm:ss
|
||||
*/
|
||||
export function formatTime(time, fmt) {
|
||||
if (!time) return ''
|
||||
if (!time) return '';
|
||||
else {
|
||||
const date = new Date(time)
|
||||
const date = new Date(time);
|
||||
const o = {
|
||||
'M+': date.getMonth() + 1,
|
||||
'd+': date.getDate(),
|
||||
@@ -48,15 +29,23 @@ export function formatTime(time, fmt) {
|
||||
'm+': date.getMinutes(),
|
||||
's+': date.getSeconds(),
|
||||
'q+': Math.floor((date.getMonth() + 3) / 3),
|
||||
'S': date.getMilliseconds()
|
||||
}
|
||||
if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length))
|
||||
S: date.getMilliseconds(),
|
||||
};
|
||||
if (/(y+)/.test(fmt))
|
||||
fmt = fmt.replace(
|
||||
RegExp.$1,
|
||||
(date.getFullYear() + '').substr(4 - RegExp.$1.length)
|
||||
);
|
||||
for (const k in o) {
|
||||
if (new RegExp('(' + k + ')').test(fmt)) {
|
||||
fmt = fmt.replace(RegExp.$1, (RegExp.$1.length === 1) ? (o[k]) : ((
|
||||
'00' + o[k]).substr(('' + o[k]).length)))
|
||||
fmt = fmt.replace(
|
||||
RegExp.$1,
|
||||
RegExp.$1.length === 1
|
||||
? o[k]
|
||||
: ('00' + o[k]).substr(('' + o[k]).length)
|
||||
);
|
||||
}
|
||||
}
|
||||
return fmt
|
||||
return fmt;
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user