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203#!/usr/bin/env tsx
import arg from "arg";
import { execSync } from "child_process";
import { existsSync, readFileSync, writeFileSync } from "fs";
import semver from "semver";
const VERSION_FILE = "VERSION.txt";
const PACKAGE_JSON = "package.json";
interface PackageJson {
name?: string;
version: string;
[key: string]: any;
}
function readVersionFile(): string {
if (!existsSync(VERSION_FILE)) {
throw new Error(`${VERSION_FILE} not found`);
}
const version = readFileSync(VERSION_FILE, "utf-8").trim();
if (!version) {
throw new Error(`${VERSION_FILE} is empty`);
}
return version;
}
function validateVersion(version: string): void {
const versionRegex = /^\d+\.\d+\.\d+$/;
if (!versionRegex.test(version)) {
throw new Error(`Invalid version format: ${version}. Expected format: x.y.z`);
}
}
function readPackageJson(): PackageJson {
if (!existsSync(PACKAGE_JSON)) {
throw new Error(`${PACKAGE_JSON} not found`);
}
const content = readFileSync(PACKAGE_JSON, "utf-8");
return JSON.parse(content);
}
function writePackageJson(packageJson: PackageJson): void {
const content = JSON.stringify(packageJson, null, 2) + "\n";
writeFileSync(PACKAGE_JSON, content);
}
function generatePreReleaseVersion(baseVersion: string, tag: string, bumpType: "patch" | "minor" | "major"): string {
// First bump the base version
const bumpedVersion = semver.inc(baseVersion, bumpType);
if (!bumpedVersion) {
throw new Error(`Failed to bump version ${baseVersion} with ${bumpType}`);
}
// Then add the prerelease tag with timestamp
const now = new Date();
const timestamp = now
.toISOString()
.replace(/[-:]/g, "")
.replace(/\.\d{3}Z$/, "");
return `${bumpedVersion}-${tag}.${timestamp}`;
}
function updatePackageVersion(newVersion: string): void {
const packageJson = readPackageJson();
const oldVersion = packageJson.version;
console.log(`Updating version from ${oldVersion} to ${newVersion}`);
packageJson.version = newVersion;
writePackageJson(packageJson);
}
function restorePackageVersion(): void {
const packageJson = readPackageJson();
packageJson.version = "0.0.0";
writePackageJson(packageJson);
console.log("Restored package.json version to 0.0.0");
}
function runNpmPublish(tag: string, additionalFlags: string[] = []): void {
try {
const flagsStr = additionalFlags.length > 0 ? ` ${additionalFlags.join(" ")}` : "";
const command = `npm publish --tag ${tag}${flagsStr}`;
console.log(`Running ${command}...`);
execSync(command, { stdio: "inherit" });
console.log(`✅ Successfully published to npm with tag ${tag}`);
} catch (error) {
console.error("❌ npm publish failed:", error);
throw error;
}
}
function main(): void {
try {
// Parse known flags and collect remaining arguments
const args = arg(
{
"--latest": Boolean,
"--alpha": Boolean,
"--beta": Boolean,
"--canary": Boolean,
"--patch": Boolean,
"--minor": Boolean,
"--major": Boolean,
},
{
permissive: true, // Allow unknown flags to pass through
}
);
// Handle version command
if (args._?.[0] === "version") {
const version = readVersionFile();
console.log(version);
process.exit(0);
}
// Check that exactly one tag is specified
const tagOptions = ["--latest", "--alpha", "--beta", "--canary"] as const;
const selectedTags = tagOptions.filter((tag) => args[tag]);
if (selectedTags.length === 0) {
console.error("❌ You must specify exactly one release tag: --latest, --alpha, --beta, or --canary");
process.exit(1);
}
if (selectedTags.length > 1) {
console.error("❌ You can only specify one release tag at a time");
process.exit(1);
}
const selectedTag = selectedTags[0]!.replace("--", "");
// Handle version bump flags
const bumpOptions = ["--patch", "--minor", "--major"] as const;
const selectedBumps = bumpOptions.filter((bump) => args[bump]);
if (selectedTag === "latest" && selectedBumps.length > 0) {
console.error("❌ Version bump flags (--patch, --minor, --major) are not allowed with --latest");
process.exit(1);
}
if (selectedBumps.length > 1) {
console.error("❌ You can only specify one version bump at a time: --patch, --minor, or --major");
process.exit(1);
}
// Default to patch for pre-release tags
const bumpType =
selectedBumps.length > 0 ? (selectedBumps[0]!.replace("--", "") as "patch" | "minor" | "major") : "patch";
// Collect any additional flags to pass through to npm publish
const additionalFlags = args._ || [];
// Read and validate version
const baseVersion = readVersionFile();
validateVersion(baseVersion);
// Generate final version based on tag
const finalVersion =
selectedTag === "latest" ? baseVersion : generatePreReleaseVersion(baseVersion, selectedTag, bumpType);
console.log(`📦 Preparing to publish version ${finalVersion} with tag ${selectedTag}`);
if (selectedTag !== "latest") {
console.log(`Version bump: ${bumpType} (${baseVersion} → ${finalVersion})`);
}
if (additionalFlags.length > 0) {
console.log(`Additional flags: ${additionalFlags.join(" ")}`);
}
try {
// Update package.json
updatePackageVersion(finalVersion);
// Publish
runNpmPublish(selectedTag, additionalFlags);
console.log(`🎉 Successfully published version ${finalVersion} with tag ${selectedTag}`);
} finally {
// Always restore the original version
restorePackageVersion();
}
} catch (error) {
if (error && typeof error === "object" && "code" in error && error.code === "ARG_UNKNOWN_OPTION") {
console.error(
"❌ Unknown option detected. All flags except --latest, --alpha, --beta, --canary, --patch, --minor, --major will be passed to npm publish"
);
} else {
console.error("❌ Error:", (error as Error).message);
}
process.exit(1);
}
}
if (import.meta.url === `file://${process.argv[1]}`) {
main();
}