Add script to change date

scripts/change-dates.ts

@@ -0,0 +1,57 @@
+import fs from "fs/promises";
+import path from "path";
+
+import { format } from "date-fns";
+
+import {
+  DATE_FORMAT,
+  getEventsByTerm,
+  getEventTermsByYear,
+  getEventYears,
+} from "../lib/events";
+import {
+  getNewsByTerm,
+  getNewsTermsByYear,
+  getNewsYears,
+  NEWS_PATH,
+} from "../lib/news";
+const EVENTS_PATH = path.join("content", "events");
+
+export async function main() {
+  for (const year of await getEventYears()) {
+    for (const term of await getEventTermsByYear(year)) {
+      for (const slug of await getEventsByTerm(year, term)) {
+        const filePath = path.join(EVENTS_PATH, year, term, `${slug}.md`);
+        const file = await fs.readFile(filePath, "utf-8");
+
+        await fs.writeFile(filePath, replaceDate(file));
+      }
+    }
+  }
+
+  for (const year of await getNewsYears()) {
+    for (const term of await getNewsTermsByYear(year)) {
+      for (const slug of await getNewsByTerm(year, term)) {
+        const filePath = path.join(NEWS_PATH, year, term, `${slug}.md`);
+        const file = await fs.readFile(filePath, "utf-8");
+
+        await fs.writeFile(filePath, replaceDate(file));
+      }
+    }
+  }
+}
+
+function replaceDate(file: string) {
+  const lines = file.split("\n");
+
+  const dateLineIdx = lines.findIndex((line) => line.startsWith("date: "));
+  const dateLine = lines[dateLineIdx];
+
+  const date = new Date(dateLine.slice("date: ".length + 1, -1));
+
+  lines[dateLineIdx] = `date: '${format(date, DATE_FORMAT)}'`;
+
+  return lines.join("\n");
+}
+
+void main();