feat(build): integrate generation of manifest file in build process

build/manifestPlugin.ts

@@ -0,0 +1,82 @@
+import { Plugin } from "vite";
+import { readFile, writeFile } from "fs/promises";
+import { spawnSync } from "child_process";
+import { Octokit } from "@octokit/rest";
+import { env } from "./env";
+
+export const manifest = (): Plugin => ({
+  name: "generate-pages-plugin",
+  buildStart: async () => {
+    const octokit = new Octokit({ auth: env.GITHUB_PAT });
+
+    const { data: manifestRepo } = await octokit.repos.get({
+      owner: env.GITHUB_USERNAME,
+      repo: env.GITHUB_USERNAME,
+    });
+    try {
+      const storedUpdatedAt = (
+        await readFile("./node_modules/.cache/manifest")
+      ).toString();
+      if (storedUpdatedAt === manifestRepo.updated_at) return;
+    } catch {}
+
+    await writeFile("./node_modules/.cache/manifest", manifestRepo.updated_at);
+
+    const getRepoFileContent = async (repo: string, path: string) => {
+      const { data: file } = await octokit.repos.getContent({
+        owner: env.GITHUB_USERNAME,
+        repo,
+        path,
+      });
+
+      if (Array.isArray(file) || file.type !== "file") throw new Error("");
+
+      return Buffer.from(file.content, "base64").toString("utf8");
+    };
+
+    const manifest = JSON.parse(
+      await getRepoFileContent(env.GITHUB_USERNAME, "manifest.json"),
+    ) as {
+      files: string[];
+      projects: string[];
+    };
+
+    const projects: Array<{
+      name: string;
+      content: string;
+      language: string | null;
+      url: string;
+      private: boolean;
+    }> = [];
+    for (const project of manifest.projects) {
+      const { data: repo } = await octokit.repos.get({
+        owner: env.GITHUB_USERNAME,
+        repo: project,
+      });
+      const content = await getRepoFileContent(project, "README.md");
+
+      projects.push({
+        name: project,
+        content,
+        language: repo.language,
+        url: repo.url,
+        private: repo.private,
+      });
+    }
+
+    const code = `
+      const projects = ${JSON.stringify(projects, null, 2)};
+
+      const projectsMap = Object.fromEntries(projects.map(project => [project.name, project]));
+
+      export const manifest = {
+        projects,
+        projectsMap
+      };
+    `;
+
+    await writeFile("./src/manifest.ts", code);
+
+    spawnSync("prettier", ["--write", "./src/manifest.ts"]);
+  },
+});