generated from thegrind/laravel-dockerized
58 lines
2.5 KiB
JavaScript
58 lines
2.5 KiB
JavaScript
import { computed } from 'vue';
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import { isActive } from '../../shared';
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import { getFlatSideBarLinks, getSidebar } from '../support/sidebar';
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import { useData } from './data';
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export function usePrevNext() {
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const { page, theme, frontmatter } = useData();
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return computed(() => {
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const sidebar = getSidebar(theme.value.sidebar, page.value.relativePath);
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const links = getFlatSideBarLinks(sidebar);
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// ignore inner-page links with hashes
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const candidates = uniqBy(links, (link) => link.link.replace(/[?#].*$/, ''));
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const index = candidates.findIndex((link) => {
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return isActive(page.value.relativePath, link.link);
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});
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const hidePrev = (theme.value.docFooter?.prev === false && !frontmatter.value.prev) ||
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frontmatter.value.prev === false;
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const hideNext = (theme.value.docFooter?.next === false && !frontmatter.value.next) ||
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frontmatter.value.next === false;
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return {
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prev: hidePrev
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? undefined
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: {
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text: (typeof frontmatter.value.prev === 'string'
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? frontmatter.value.prev
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: typeof frontmatter.value.prev === 'object'
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? frontmatter.value.prev.text
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: undefined) ??
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candidates[index - 1]?.docFooterText ??
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candidates[index - 1]?.text,
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link: (typeof frontmatter.value.prev === 'object'
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? frontmatter.value.prev.link
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: undefined) ?? candidates[index - 1]?.link
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},
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next: hideNext
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? undefined
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: {
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text: (typeof frontmatter.value.next === 'string'
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? frontmatter.value.next
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: typeof frontmatter.value.next === 'object'
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? frontmatter.value.next.text
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: undefined) ??
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candidates[index + 1]?.docFooterText ??
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candidates[index + 1]?.text,
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link: (typeof frontmatter.value.next === 'object'
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? frontmatter.value.next.link
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: undefined) ?? candidates[index + 1]?.link
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}
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};
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});
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}
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function uniqBy(array, keyFn) {
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const seen = new Set();
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return array.filter((item) => {
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const k = keyFn(item);
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return seen.has(k) ? false : seen.add(k);
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});
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}
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