From fcc2f4704e39b0e69b377cc138f75027721dac22 Mon Sep 17 00:00:00 2001
From: Dawid Rycerz <dawid@rycerz.xyz>
Date: Tue, 22 Jul 2025 15:08:37 +0300
Subject: Initial template

---
 src/utils/permalinks.ts | 134 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100644 src/utils/permalinks.ts

(limited to 'src/utils/permalinks.ts')

diff --git a/src/utils/permalinks.ts b/src/utils/permalinks.ts
new file mode 100644
index 0000000..4e3078d
--- /dev/null
+++ b/src/utils/permalinks.ts
@@ -0,0 +1,134 @@
+import slugify from 'limax';
+
+import { SITE, APP_BLOG } from 'astrowind:config';
+
+import { trim } from '~/utils/utils';
+
+export const trimSlash = (s: string) => trim(trim(s, '/'));
+const createPath = (...params: string[]) => {
+  const paths = params
+    .map((el) => trimSlash(el))
+    .filter((el) => !!el)
+    .join('/');
+  return '/' + paths + (SITE.trailingSlash && paths ? '/' : '');
+};
+
+const BASE_PATHNAME = SITE.base || '/';
+
+export const cleanSlug = (text = '') =>
+  trimSlash(text)
+    .split('/')
+    .map((slug) => slugify(slug))
+    .join('/');
+
+export const BLOG_BASE = cleanSlug(APP_BLOG?.list?.pathname);
+export const CATEGORY_BASE = cleanSlug(APP_BLOG?.category?.pathname);
+export const TAG_BASE = cleanSlug(APP_BLOG?.tag?.pathname) || 'tag';
+
+export const POST_PERMALINK_PATTERN = trimSlash(APP_BLOG?.post?.permalink || `${BLOG_BASE}/%slug%`);
+
+/** */
+export const getCanonical = (path = ''): string | URL => {
+  const url = String(new URL(path, SITE.site));
+  if (SITE.trailingSlash == false && path && url.endsWith('/')) {
+    return url.slice(0, -1);
+  } else if (SITE.trailingSlash == true && path && !url.endsWith('/')) {
+    return url + '/';
+  }
+  return url;
+};
+
+/** */
+export const getPermalink = (slug = '', type = 'page'): string => {
+  let permalink: string;
+
+  if (
+    slug.startsWith('https://') ||
+    slug.startsWith('http://') ||
+    slug.startsWith('://') ||
+    slug.startsWith('#') ||
+    slug.startsWith('javascript:')
+  ) {
+    return slug;
+  }
+
+  switch (type) {
+    case 'home':
+      permalink = getHomePermalink();
+      break;
+
+    case 'blog':
+      permalink = getBlogPermalink();
+      break;
+
+    case 'asset':
+      permalink = getAsset(slug);
+      break;
+
+    case 'category':
+      permalink = createPath(CATEGORY_BASE, trimSlash(slug));
+      break;
+
+    case 'tag':
+      permalink = createPath(TAG_BASE, trimSlash(slug));
+      break;
+
+    case 'post':
+      permalink = createPath(trimSlash(slug));
+      break;
+
+    case 'page':
+    default:
+      permalink = createPath(slug);
+      break;
+  }
+
+  return definitivePermalink(permalink);
+};
+
+/** */
+export const getHomePermalink = (): string => getPermalink('/');
+
+/** */
+export const getBlogPermalink = (): string => getPermalink(BLOG_BASE);
+
+/** */
+export const getAsset = (path: string): string =>
+  '/' +
+  [BASE_PATHNAME, path]
+    .map((el) => trimSlash(el))
+    .filter((el) => !!el)
+    .join('/');
+
+/** */
+const definitivePermalink = (permalink: string): string => createPath(BASE_PATHNAME, permalink);
+
+/** */
+export const applyGetPermalinks = (menu: object = {}) => {
+  if (Array.isArray(menu)) {
+    return menu.map((item) => applyGetPermalinks(item));
+  } else if (typeof menu === 'object' && menu !== null) {
+    const obj = {};
+    for (const key in menu) {
+      if (key === 'href') {
+        if (typeof menu[key] === 'string') {
+          obj[key] = getPermalink(menu[key]);
+        } else if (typeof menu[key] === 'object') {
+          if (menu[key].type === 'home') {
+            obj[key] = getHomePermalink();
+          } else if (menu[key].type === 'blog') {
+            obj[key] = getBlogPermalink();
+          } else if (menu[key].type === 'asset') {
+            obj[key] = getAsset(menu[key].url);
+          } else if (menu[key].url) {
+            obj[key] = getPermalink(menu[key].url, menu[key].type);
+          }
+        }
+      } else {
+        obj[key] = applyGetPermalinks(menu[key]);
+      }
+    }
+    return obj;
+  }
+  return menu;
+};
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