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match[1] : null;\n}\n\nasync function getGithubReleases(repo: string): Promise {\n const response = await fetch(`https://api.github.com/repos/${repo}/releases`);\n if (!response.ok) {\n throw new Error(`Failed to fetch releases from ${repo}`);\n }\n return response.json();\n}\n\nfunction compareVersions(version1: string, version2: string): number {\n const v1 = version1.replace(/^v/, \"\").split(\".\").map(Number);\n const v2 = version2.replace(/^v/, \"\").split(\".\").map(Number);\n\n for (let i = 0; i < Math.max(v1.length, v2.length); i++) {\n const diff = (v1[i] || 0) - (v2[i] || 0);\n if (diff !== 0) return diff;\n }\n return 0;\n}\n\nasync function getReleaseNotesBetweenVersions(repo: string, currentVersion: string): Promise {\n const releases = await getGithubReleases(repo);\n\n const filteredReleases = releases.filter(release => {\n const version = release.tag_name.replace(/^v/, \"\");\n return compareVersions(version, currentVersion) > 0;\n });\n\n return filteredReleases.sort((a, b) => compareVersions(a.tag_name, b.tag_name));\n}\n\nasync function checkNpmUpdates(packageJsonUrl: string): Promise {\n try {\n const response = await fetch(packageJsonUrl);\n if (!response.ok) {\n throw new Error(`Failed to fetch package.json from ${packageJsonUrl}`);\n }\n const packageJson: PackageJson = await response.json();\n\n const dependencies = packageJson.dependencies ?? {};\n const devDependencies = packageJson.devDependencies ?? {};\n\n let result = \"Checking dependencies for updates...\\n\";\n\n for (const [name, version] of Object.entries(dependencies)) {\n try {\n const packageInfo = await fetchPackageInfo(name);\n const repoUrl = extractGitHubRepoUrl(packageInfo);\n if (!repoUrl) {\n result += `No GitHub repository URL found for ${name}\\n`;\n continue;\n }\n const repoPath = getGithubRepoPath(repoUrl);\n if (!repoPath) {\n result += `Invalid GitHub repository URL for ${name}: ${repoUrl}\\n`;\n continue;\n }\n const releaseNotes = await getReleaseNotesBetweenVersions(repoPath, version);\n result += `# Release notes for ${name} from ${version}:\\n`;\n releaseNotes.forEach(note => {\n result += `- ${note.tag_name} (${note.published_at}): ${note.name}\\n${note.body}\\n`;\n });\n } catch (error) {\n result += `Error processing ${name}: ${error.message}\\n`;\n }\n }\n\n result += \"\\nChecking devDependencies for updates...\\n\";\n\n for (const [name, version] of Object.entries(devDependencies)) {\n try {\n const packageInfo = await fetchPackageInfo(name);\n const repoUrl = extractGitHubRepoUrl(packageInfo);\n if (!repoUrl) {\n result += `No GitHub repository URL found for ${name}\\n`;\n continue;\n }\n const repoPath = getGithubRepoPath(repoUrl);\n if (!repoPath) {\n result += `Invalid GitHub repository URL for ${name}: ${repoUrl}\\n`;\n continue;\n }\n const releaseNotes = await getReleaseNotesBetweenVersions(repoPath, version);\n result += `# Release notes for ${name} from ${version}:\\n`;\n releaseNotes.forEach(note => {\n result += `- ${note.tag_name} (${note.published_at}): ${note.name}\\n${note.body}\\n`;\n });\n } catch (error) {\n result += `Error processing ${name}: ${error.message}\\n`;\n }\n }\n\n return result;\n } catch (error) {\n return `Error checking npm updates: ${error.message}`;\n }\n}\n\nconst app = new Hono();\n\napp.get(\"/\", async (c) => {\n const url = c.req.query(\"url\");\n if (url) {\n const result = await checkNpmUpdates(url);\n const markdownContent = `\n # NPM Update Checker\n \\n## Results:\n \\n${result}\n `;\n const htmlContent = marked(markdownContent);\n return c.html(\n

\n Raw GitHub package.json URL: \n

\n Built on Val Town\n

\n

,\n );\n } else {\n return c.html(\n

\n Raw GitHub package.json URL: \n

\n Built on Val Town\n

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