v1

src/lib/contentParser.astro

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+---
+import {
+  getCollection,
+  type CollectionEntry,
+  type CollectionKey,
+} from "astro:content";
+
+export const getSinglePage = async <C extends CollectionKey>(
+  collectionName: C,
+): Promise<CollectionEntry<C>[]> => {
+  const allPages = await getCollection(collectionName);
+  const removeIndex = allPages.filter((data) => data.id.match(/^(?!-)/));
+  const removeDrafts = removeIndex.filter((data) => !data.data.draft);
+  return removeDrafts;
+};
+---

src/lib/taxonomyParser.astro

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+---
+import { getSinglePage } from "@/lib/contentParser.astro";
+import { slugify } from "@/lib/utils/textConverter";
+
+// get taxonomy from frontmatter
+export const getTaxonomy = async (collection: any, name: string) => {
+  const singlePages = await getSinglePage(collection);
+  const taxonomyPages = singlePages.map((page: any) => page.data[name]);
+  let taxonomies: string[] = [];
+  for (let i = 0; i < taxonomyPages.length; i++) {
+    const categoryArray = taxonomyPages[i];
+    for (let j = 0; j < categoryArray.length; j++) {
+      taxonomies.push(slugify(categoryArray[j])!);
+    }
+  }
+  const taxonomy = [...new Set(taxonomies)];
+  return taxonomy;
+};
+
+// get all taxonomies from frontmatter
+export const getAllTaxonomy = async (collection: any, name: string) => {
+  const singlePages = await getSinglePage(collection);
+  const taxonomyPages = singlePages.map((page: any) => page.data[name]);
+  let taxonomies: string[] = [];
+  for (let i = 0; i < taxonomyPages.length; i++) {
+    const categoryArray = taxonomyPages[i];
+    for (let j = 0; j < categoryArray.length; j++) {
+      taxonomies.push(slugify(categoryArray[j])!);
+    }
+  }
+  return taxonomies;
+};
+---

src/lib/utils/dateFormat.ts

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+import { format } from "date-fns";
+
+const dateFormat = (
+  date: Date | string,
+  pattern: string = "dd MMM, yyyy",
+): string => {
+  const dateObj = new Date(date);
+  const output = format(dateObj, pattern);
+  return output;
+};
+
+export default dateFormat;

src/lib/utils/readingTime.ts

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+// content reading
+const readingTime = (content: string) => {
+  const WPS = 275 / 60;
+
+  let images = 0;
+  const regex = /\w/;
+
+  let words = content.split(" ").filter((word) => {
+    if (word.includes("<img")) {
+      images += 1;
+    }
+    return regex.test(word);
+  }).length;
+
+  let imageAdjust = images * 4;
+  let imageSecs = 0;
+  let imageFactor = 12;
+
+  while (images) {
+    imageSecs += imageFactor;
+    if (imageFactor > 3) {
+      imageFactor -= 1;
+    }
+    images -= 1;
+  }
+
+  const minutes = Math.ceil(((words - imageAdjust) / WPS + imageSecs) / 60);
+
+  if (minutes < 10) {
+    if (minutes < 2) {
+      return "0" + minutes + ` Min read`;
+    } else {
+      return "0" + minutes + ` Mins read`;
+    }
+  } else {
+    return minutes + ` Mins read`;
+  }
+};
+
+export default readingTime;

src/lib/utils/similarItems.ts

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+// similer products
+const similerItems = (currentItem: any, allItems: any, slug: string) => {
+  let categories: [] = [];
+  let tags: [] = [];
+
+  // set categories
+  if (currentItem.data.categories.length > 0) {
+    categories = currentItem.data.categories;
+  }
+
+  // set tags
+  if (currentItem.data.tags.length > 0) {
+    tags = currentItem.data.tags;
+  }
+
+  // filter by categories
+  const filterByCategories = allItems.filter(
+    (item: { data: { categories: string } }) =>
+      categories.find((category) => item.data.categories.includes(category))
+  );
+
+  // filter by tags
+  const filterByTags = allItems.filter((item: { data: { tags: string } }) =>
+    tags.find((tag) => item.data.tags.includes(tag))
+  );
+
+  // merged after filter
+  const mergedItems = [...new Set([...filterByCategories, ...filterByTags])];
+
+  // filter by slug
+  const filterBySlug = mergedItems.filter((product) => product.slug !== slug);
+
+  return filterBySlug;
+};
+
+export default similerItems;

src/lib/utils/sortFunctions.ts

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+// sort by date
+export const sortByDate = (array: any[]) => {
+  const sortedArray = array.sort(
+    (a:any, b:any) =>
+      new Date(b.data.date && b.data.date) -
+      new Date(a.data.date && a.data.date)
+  );
+  return sortedArray;
+};
+
+// sort product by weight
+export const sortByWeight = (array: any[]) => {
+  const withWeight = array.filter(
+    (item: { data: { weight: any } }) => item.data.weight
+  );
+  const withoutWeight = array.filter(
+    (item: { data: { weight: any } }) => !item.data.weight
+  );
+  const sortedWeightedArray = withWeight.sort(
+    (a: { data: { weight: number } }, b: { data: { weight: number } }) =>
+      a.data.weight - b.data.weight
+  );
+  const sortedArray = [...new Set([...sortedWeightedArray, ...withoutWeight])];
+  return sortedArray;
+};

src/lib/utils/taxonomyFilter.ts

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+import { slugify } from "@/lib/utils/textConverter";
+
+const taxonomyFilter = (posts: any[], name: string, key: any) =>
+  posts.filter((post) =>
+    post.data[name].map((name: string) => slugify(name)).includes(key)
+  );
+
+export default taxonomyFilter;

src/lib/utils/textConverter.ts

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+import { slug } from 'github-slugger';
+import { marked } from "marked";
+
+// slugify
+export const slugify = (content: string) => {
+  if (!content) return null;
+
+  return slug(content);
+};
+
+// markdownify
+export const markdownify = (content: string) => {
+  if (!content) return null;
+
+  return marked.parseInline(content);
+};
+
+// humanize
+export const humanize = (content: string) => {
+  if (!content) return null;
+
+  return content
+    .replace(/^[\s_]+|[\s_]+$/g, "")
+    .replace(/[_\s]+/g, " ")
+    .replace(/^[a-z]/, function (m) {
+      return m.toUpperCase();
+    });
+};
+
+// plainify
+export const plainify = (content: string) => {
+  if (!content) return null;
+
+  const filterBrackets = content.replace(/<\/?[^>]+(>|$)/gm, "");
+  const filterSpaces = filterBrackets.replace(/[\r\n]\s*[\r\n]/gm, "");
+  const stripHTML = htmlEntityDecoder(filterSpaces);
+  return stripHTML;
+};
+
+// strip entities for plainify
+const htmlEntityDecoder = (htmlWithEntities: string): string => {
+  let entityList: { [key: string]: string } = {
+    "&nbsp;": " ",
+    "&lt;": "<",
+    "&gt;": ">",
+    "&amp;": "&",
+    "&quot;": '"',
+    "&#39;": "'",
+  };
+  let htmlWithoutEntities: string = htmlWithEntities.replace(
+    /(&amp;|&lt;|&gt;|&quot;|&#39;)/g,
+    (entity: string): string => {
+      return entityList[entity];
+    }
+  );
+  return htmlWithoutEntities;
+};