import { isArray, isEmpty, isNumber } from "lodash-es";
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import { computed, getCurrentInstance, nextTick, ref } from "vue";
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// 获取父组件
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export function getParent(name: string, k1: string[], k2?: string[]) {
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const { proxy }: any = getCurrentInstance();
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const d = ref();
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let n = 10;
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const next = () => {
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let parent = proxy.$parent;
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while (parent) {
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if (parent.$options.name !== name) {
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parent = parent.$parent;
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} else {
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if (isArray(k2)) {
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nextTick(() => {
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const child: any = {};
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(k2 || []).map((key: string) => {
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if (proxy[key]) {
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child[key] = proxy[key];
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}
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});
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if (!parent.__children) {
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parent.__children = [];
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}
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if (!isEmpty(child)) {
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parent.__children.push(child);
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}
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});
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}
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return (k1 || []).reduce((res: any, key: string) => {
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res[key] = parent[key];
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return res;
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}, {});
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}
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}
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return parent || d.value;
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};
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return computed(() => next());
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}
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// 获取元素位置信息
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export async function getRect(selector: string): Promise<any> {
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return new Promise((resolve) => {
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uni.createSelectorQuery()
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.select(selector)
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.boundingClientRect((res) => {
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resolve(res);
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})
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.exec();
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});
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}
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// 解析rpx
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export function parseRpx(val: any): string {
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return isArray(val) ? val.map(parseRpx).join(" ") : isNumber(val) ? `${val}rpx` : val;
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}
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// px 转 rpx
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export function px2Rpx(px: number) {
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return px / (uni.upx2px(100) / 100);
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}
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