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/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { execSync } from 'child_process';
import fs from 'fs';
import path from 'path';
function getPackageVersion() {
const packageJsonPath = path.resolve(process.cwd(), 'package.json');
const packageJson = JSON.parse(fs.readFileSync(packageJsonPath, 'utf8'));
return packageJson.version;
}
function incrementPatchVersion(version) {
const parts = version.split('.');
const major = parseInt(parts[0]);
const minor = parseInt(parts[1]);
const patch = parseInt(parts[2].split('-')[0]); // Handle pre-release versions
return `${major}.${minor}.${patch + 1}`;
}
function getLatestNightlyCount() {
try {
// Try to get the latest nightly tag from git to determine the counter
const currentVersion = getPackageVersion();
const nextVersion = incrementPatchVersion(currentVersion);
const tags = execSync(`git tag -l "v${nextVersion}-nightly.*"`)
.toString()
.trim();
if (!tags) return 0;
const nightlyTags = tags.split('\n').filter(Boolean);
const counts = nightlyTags.map((tag) => {
const match = tag.match(/nightly\.(\d+)$/);
return match ? parseInt(match[1]) : 0;
});
return Math.max(...counts, -1) + 1;
} catch (_error) {
// If we can't get tags, start from 0
return 0;
}
}
export function getNightlyTagName() {
const version = getPackageVersion();
const nextVersion = incrementPatchVersion(version);
const nightlyCount = getLatestNightlyCount();
return `v${nextVersion}-nightly.${nightlyCount}`;
}
export function getReleaseVersion() {
const isNightly = process.env.IS_NIGHTLY === 'true';
const manualVersion = process.env.MANUAL_VERSION;
let releaseTag;
if (isNightly) {
console.error('Calculating next nightly version...');
releaseTag = getNightlyTagName();
} else if (manualVersion) {
console.error(`Using manual version: ${manualVersion}`);
releaseTag = manualVersion;
} else {
throw new Error(
'Error: No version specified and this is not a nightly release.',
);
}
if (!releaseTag) {
throw new Error('Error: Version could not be determined.');
}
if (!releaseTag.startsWith('v')) {
console.error("Version is missing 'v' prefix. Prepending it.");
releaseTag = `v${releaseTag}`;
}
if (releaseTag.includes('+')) {
throw new Error(
'Error: Versions with build metadata (+) are not supported for releases. Please use a pre-release version (e.g., v1.2.3-alpha.4) instead.',
);
}
if (!releaseTag.match(/^v[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.-]+)?$/)) {
throw new Error(
'Error: Version must be in the format vX.Y.Z or vX.Y.Z-prerelease',
);
}
const releaseVersion = releaseTag.substring(1);
let npmTag = 'latest';
if (releaseVersion.includes('-')) {
const prereleasePart = releaseVersion.split('-')[1];
npmTag = prereleasePart.split('.')[0];
// Ensure nightly releases use 'nightly' tag, not 'latest'
if (npmTag === 'nightly') {
npmTag = 'nightly';
}
}
return { releaseTag, releaseVersion, npmTag };
}
if (process.argv[1] === new URL(import.meta.url).pathname) {
try {
const versions = getReleaseVersion();
console.log(JSON.stringify(versions));
} catch (error) {
console.error(error.message);
process.exit(1);
}
}
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