37 lines
831 B
TypeScript
37 lines
831 B
TypeScript
/**
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* 递归访问嵌套属性
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* @param {object} obj
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* @param {string} path 属性路径字符串，eg: "a.b.c"
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*/
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export function getNestedProperty(obj:object, path:string):any {
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return path.split('.').reduce((o, key) => o?.[key], obj);
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}
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/**
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* 转义正则特殊字符
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* @param {string} str
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*/
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export function escapeRegExp(str:string) {
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return str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
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}
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/**
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* 获取系统主题色
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*/
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export function getOsTheme(){
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const isDarkTheme = window.matchMedia("(prefers-color-scheme: dark)"); // 是深色
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if (isDarkTheme.matches) {
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return 'dark';
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} else {
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return "light";
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}
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}
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/**
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* 获取rem的px值
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*/
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export function remToPxNumber(rem: number): number {
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const f = parseFloat(document.documentElement.style.fontSize);
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return f * rem;
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}
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