59 lines
1.3 KiB
TypeScript
59 lines
1.3 KiB
TypeScript
/**
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* Check if an element has a class
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* @param {HTMLElement} ele
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* @param {string} cls
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* @returns {boolean}
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*/
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export function hasClass(ele: HTMLElement, cls: string) {
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return !!ele.className.match(new RegExp("(\\s|^)" + cls + "(\\s|$)"));
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}
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/**
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* Add class to element
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* @param {HTMLElement} ele
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* @param {string} cls
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*/
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export function addClass(ele: HTMLElement, cls: string) {
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if (!hasClass(ele, cls)) ele.className += " " + cls;
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}
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/**
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* Remove class from element
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* @param {HTMLElement} ele
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* @param {string} cls
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*/
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export function removeClass(ele: HTMLElement, cls: string) {
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if (hasClass(ele, cls)) {
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const reg = new RegExp("(\\s|^)" + cls + "(\\s|$)");
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ele.className = ele.className.replace(reg, " ");
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}
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}
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/**
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* 判断是否是外部链接
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*
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* @param {string} path
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* @returns {Boolean}
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*/
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export function isExternal(path: string) {
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const isExternal = /^(https?:|http?:|mailto:|tel:)/.test(path);
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return isExternal;
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}
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/**
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* 格式化增长率，保留两位小数 ，并且去掉末尾的0 取绝对值
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*
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* @param growthRate
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* @returns
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*/
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export function formatGrowthRate(growthRate: number) {
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if (growthRate === 0) {
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return "-";
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}
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const formattedRate = Math.abs(growthRate * 100)
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.toFixed(2)
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.replace(/\.?0+$/, "");
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return formattedRate + "%";
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}
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