initial commit

src/utils/helpers.js

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+import markdownIt from "markdown-it";
+import markdownItAnchor from "markdown-it-anchor";
+import markdownItFootnote from "markdown-it-footnote";
+import markdownItPrism from "markdown-it-prism";
+
+const markdown = markdownIt({ html: true, linkify: true });
+markdown.use(markdownItAnchor, {
+  level: [1, 2],
+  permalink: markdownItAnchor.permalink.headerLink({
+    safariReaderFix: true,
+  }),
+});
+markdown.use(markdownItFootnote);
+markdown.use(markdownItPrism);
+
+export const shuffleArray = (array) => {
+  const shuffled = [...array];
+  for (let i = shuffled.length - 1; i > 0; i--) {
+    let j = Math.floor(Math.random() * (i + 1));
+    let temp = shuffled[i];
+    shuffled[i] = shuffled[j];
+    shuffled[j] = temp;
+  }
+  return shuffled;
+};
+
+export const regionNames = new Intl.DisplayNames(["en"], { type: "region" });
+
+export const getCountryName = (countryCode) =>
+  regionNames.of(countryCode.trim()) || countryCode.trim();
+
+export const parseCountryField = (countryField) => {
+  if (!countryField) return null;
+
+  const delimiters = [",", "/", "&", "and"];
+  let countries = [countryField];
+
+  delimiters.forEach((delimiter) => {
+    countries = countries.flatMap((country) => country.split(delimiter));
+  });
+
+  return countries.map(getCountryName).join(", ");
+};
+
+export const md = (string) => markdown.render(string);