FIX: use a nightly spec.types.ts (#1087)

scripts/fetch-spec-types.ts

@@ -0,0 +1,86 @@
+import { writeFileSync } from 'node:fs';
+import { dirname, join } from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+const PROJECT_ROOT = join(__dirname, '..');
+
+interface GitHubCommit {
+    sha: string;
+}
+
+async function fetchLatestSHA(): Promise<string> {
+    const url = 'https://api.github.com/repos/modelcontextprotocol/modelcontextprotocol/commits?path=schema/draft/schema.ts&per_page=1';
+
+    const response = await fetch(url);
+    if (!response.ok) {
+        throw new Error(`Failed to fetch commit info: ${response.status} ${response.statusText}`);
+    }
+
+    const commits = (await response.json()) as GitHubCommit[];
+    if (!commits || commits.length === 0) {
+        throw new Error('No commits found');
+    }
+
+    return commits[0].sha;
+}
+
+async function fetchSpecTypes(sha: string): Promise<string> {
+    const url = `https://raw.githubusercontent.com/modelcontextprotocol/modelcontextprotocol/${sha}/schema/draft/schema.ts`;
+
+    const response = await fetch(url);
+    if (!response.ok) {
+        throw new Error(`Failed to fetch spec types: ${response.status} ${response.statusText}`);
+    }
+
+    return await response.text();
+}
+
+async function main() {
+    try {
+        // Check if SHA is provided as command line argument
+        const providedSHA = process.argv[2];
+
+        let latestSHA: string;
+        if (providedSHA) {
+            console.log(`Using provided SHA: ${providedSHA}`);
+            latestSHA = providedSHA;
+        } else {
+            console.log('Fetching latest commit SHA...');
+            latestSHA = await fetchLatestSHA();
+        }
+
+        console.log(`Fetching spec.types.ts from commit: ${latestSHA}`);
+
+        const specContent = await fetchSpecTypes(latestSHA);
+
+        // Read header template
+        const headerTemplate = `/**
+ * This file is automatically generated from the Model Context Protocol specification.
+ *
+ * Source: https://github.com/modelcontextprotocol/modelcontextprotocol
+ * Pulled from: https://raw.githubusercontent.com/modelcontextprotocol/modelcontextprotocol/main/schema/draft/schema.ts
+ * Last updated from commit: {SHA}
+ *
+ * DO NOT EDIT THIS FILE MANUALLY. Changes will be overwritten by automated updates.
+ * To update this file, run: npm run fetch:spec-types
+ */`;
+
+        const header = headerTemplate.replace('{SHA}', latestSHA);
+
+        // Combine header and content
+        const fullContent = header + specContent;
+
+        // Write to file
+        const outputPath = join(PROJECT_ROOT, 'src', 'spec.types.ts');
+        writeFileSync(outputPath, fullContent, 'utf-8');
+
+        console.log('Successfully updated src/spec.types.ts');
+    } catch (error) {
+        console.error('Error:', error instanceof Error ? error.message : String(error));
+        process.exit(1);
+    }
+}
+
+main();