[@portaljs/ckan][xl] - add ckan package and example using it

packages/ckan/src/lib/utils.ts

@@ -0,0 +1,54 @@
+export function getDaysAgo(date: string) {
+  const today = new Date();
+  const createdOn = new Date(date);
+  const msInDay = 24 * 60 * 60 * 1000;
+
+  createdOn.setHours(0, 0, 0, 0);
+  today.setHours(0, 0, 0, 0);
+
+  return (+today - +createdOn) / msInDay;
+}
+
+export default async function fetchRetry(url: string, n: number): Promise<any> {
+  const abortController = new AbortController();
+  const id = setTimeout(() => abortController.abort(), 30000);
+  const res = await fetch(url, { signal: abortController.signal });
+  clearTimeout(id);
+  if (!res.ok && n && n > 0) {
+    return await fetchRetry(url, n - 1);
+  }
+  return res;
+}
+
+export function removeTag(tag?: string) {
+  if (tag === "{{description}}" || !tag) {
+    return undefined;
+  }
+  if (typeof window !== "undefined") {
+    const div = document.createElement("div");
+    div.innerHTML = tag;
+    return div.textContent || div.innerText || "";
+  }
+  return tag;
+}
+
+//The porpuse of this functoin is converting the schema returned from datastore info which is in the form o a dictionary into an array of key value pairs that can be consumed by the data-explorer
+export function convertFieldSchema(
+  schema: Record<string, string | boolean | number>
+) {
+  function convertToGraphqlString(fieldName: string) {
+    return fieldName
+      .replaceAll(" ", "_")
+      .replaceAll("(", "_")
+      .replaceAll(")", "_")
+      .replace(/[^\w\s]|(_)\1/gi, "_");
+  }
+  const entries = Object.entries(schema);
+  return {
+    fields: entries.map((entry) => ({
+      name: convertToGraphqlString(entry[0]),
+      title: entry[0],
+      type: entry[1],
+    })),
+  };
+}