Add the edit-youtube-video script and tomlFrontmatter utility function.

.bauke/bin/edit-youtube-video

@@ -0,0 +1,7 @@
+#!/usr/bin/env zsh
+
+deno run \
+  --allow-read \
+  --allow-run="youtube3" \
+  "$BAUKE_DIR/scripts/edit-youtube-video.ts" \
+  "$@"

.bauke/scripts/edit-youtube-video.ts

@@ -0,0 +1,86 @@
+import { Command } from "https://deno.land/x/cliffy@v0.25.5/command/mod.ts";
+import { tomlFrontmatter } from "./utilities.ts";
+
+type Frontmatter = {
+  page_title: string;
+  id: string;
+  speedrun?: {
+    entry: string;
+    leaderboard: string;
+    chapters?: Array<[string, string]>;
+    mods?: string[];
+  };
+};
+
+async function main(): Promise<void> {
+  const { options } = await new Command()
+    .name("edit-youtube-video")
+    .description("Edit a YouTube video title and description")
+    .option(
+      "--category-id <categoryId:number>",
+      "The categoryId of the video.",
+      { default: 20 },
+    )
+    .option("--description <description>", "The new description of the video.")
+    .option("--dry-run", "Do everything apart from calling the YouTube API.")
+    .option("--id <id>", "The ID of the video.")
+    .option(
+      "--markdown-file <file>",
+      "A Markdown file with TOML frontmatter.",
+      {
+        required: true,
+      },
+    )
+    .option("--title <title>", "The new title of the video.")
+    .parse(Deno.args);
+
+  const frontmatter = tomlFrontmatter<Frontmatter>(
+    await Deno.readTextFile(options.markdownFile),
+  )[0];
+
+  const categoryId = options.categoryId;
+  const description = formatDescription(frontmatter);
+  const title = options.title ?? frontmatter.page_title;
+  const videoId = options.id ?? frontmatter.id;
+
+  console.log({ categoryId, title, videoId });
+  console.log(description);
+  if (options.dryRun) {
+    return;
+  }
+
+  await Deno.run({
+    cmd: [
+      "youtube3",
+      "videos",
+      "update",
+      "-r",
+      `id=${videoId}`,
+      "-r",
+      `snippet.category-id=${categoryId}`,
+      "-r",
+      `snippet.description=${description}`,
+      "-r",
+      `snippet.title=${title}`,
+    ],
+  }).status();
+}
+
+function formatDescription(frontmatter: Frontmatter): string {
+  let description = "See all details on my website\n";
+  description += `https://bauke.xyz/v/${frontmatter.id}/\n`;
+
+  const chapters = frontmatter.speedrun?.chapters ?? [];
+  if (chapters.length > 0) {
+    description += `\nChapters\n`;
+    for (const [timestamp, text] of chapters) {
+      description += `${timestamp} ${text}\n`;
+    }
+  }
+
+  return description;
+}
+
+if (import.meta.main) {
+  void main();
+}

.bauke/scripts/utilities.ts

@@ -1,3 +1,4 @@
+import { parse } from "https://deno.land/std@0.167.0/encoding/toml.ts";
 import { TextDecoder } from "https://deno.land/std@0.167.0/node/util.ts";
 
 export async function runAndReturnStdout(
@@ -6,3 +7,28 @@ export async function runAndReturnStdout(
   const process = Deno.run({ stdout: "piped", ...options });
   return new TextDecoder().decode(await process.output());
 }
+
+export function tomlFrontmatter<T>(
+  data: string,
+): [T, string] {
+  const startMarker = "---toml\n";
+  const endMarker = "\n---\n";
+
+  let start = data.indexOf(startMarker);
+  let end = data.indexOf(endMarker);
+
+  if (start === -1 || end === -1) {
+    throw new Error("Missing frontmatter");
+  }
+
+  if (start !== 0) {
+    throw new Error("Frontmatter not at beginning of data");
+  }
+
+  start += startMarker.length;
+  const frontmatter = data.slice(start, end);
+
+  end += endMarker.length;
+  const extra = data.slice(end);
+  return [parse(frontmatter) as T, extra.trimStart()];
+}