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msw: Implement GET /api/v1/crates/versions request handler
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‎packages/crates-io-msw/handlers/versions.js‎

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import listVersionsForCrate from './versions/list-for-crate.js';
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export default [listVersionsForCrate];

‎packages/crates-io-msw/handlers/versions/list-for-crate.js‎

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import { http, HttpResponse } from 'msw';
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import { db } from '../../index.js';
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import { serializeVersion } from '../../serializers/version.js';
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import { notFound } from '../../utils/handlers.js';
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import { calculateReleaseTracks } from '../../utils/release-tracks.js';
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export default http.get('/api/v1/crates/:name/versions', async ({ request, params }) => {
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let { name } = params;
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let crate = db.crate.findFirst({ where: { name: { equals: name } } });
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if (!crate) return notFound();
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let versions = db.version.findMany({ where: { crate: { id: { equals: crate.id } } } });
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let url = new URL(request.url);
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let nums = url.searchParams.getAll('nums[]');
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if (nums.length !== 0) {
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versions = versions.filter(v => nums.includes(v.num));
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}
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versions.sort((a, b) => b.id - a.id);
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let total = versions.length;
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let include = url.searchParams.get('include') ?? '';
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let includes = include ? include.split(',') : [];
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let serializedVersions = versions.map(v => serializeVersion(v, { includePublishedBy: true }));
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let meta = { total, next_page: null };
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if (includes.includes('release_tracks')) {
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meta.release_tracks = calculateReleaseTracks(versions);
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}
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return HttpResponse.json({ versions: serializedVersions, meta });
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});

‎packages/crates-io-msw/handlers/versions/list-for-crate.test.js‎

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import { assert, test } from 'vitest';
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import { db } from '../../index.js';
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test('returns 404 for unknown crates', async function () {
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let response = await fetch('/api/v1/crates/foo/versions');
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assert.strictEqual(response.status, 404);
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assert.deepEqual(await response.json(), { errors: [{ detail: 'Not Found' }] });
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});
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test('empty case', async function () {
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db.crate.create({ name: 'rand' });
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let response = await fetch('/api/v1/crates/rand/versions');
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assert.strictEqual(response.status, 200);
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assert.deepEqual(await response.json(), {
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versions: [],
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meta: { total: 0, next_page: null },
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});
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});
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test('returns all versions belonging to the specified crate', async function () {
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let user = db.user.create();
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let crate = db.crate.create({ name: 'rand' });
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db.version.create({ crate, num: '1.0.0' });
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db.version.create({ crate, num: '1.1.0', publishedBy: user });
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db.version.create({ crate, num: '1.2.0', rust_version: '1.69' });
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let response = await fetch('/api/v1/crates/rand/versions');
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// assert.strictEqual(response.status, 200);
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assert.deepEqual(await response.json(), {
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versions: [
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{
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id: 3,
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crate: 'rand',
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crate_size: 488_889,
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created_at: '2010-06-16T21:30:45Z',
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dl_path: '/api/v1/crates/rand/1.2.0/download',
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downloads: 11_106,
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features: {},
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license: 'MIT/Apache-2.0',
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links: {
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dependencies: '/api/v1/crates/rand/1.2.0/dependencies',
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version_downloads: '/api/v1/crates/rand/1.2.0/downloads',
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},
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num: '1.2.0',
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published_by: null,
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readme_path: '/api/v1/crates/rand/1.2.0/readme',
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rust_version: '1.69',
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updated_at: '2017-02-24T12:34:56Z',
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yanked: false,
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yank_message: null,
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},
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{
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id: 2,
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crate: 'rand',
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crate_size: 325_926,
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created_at: '2010-06-16T21:30:45Z',
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dl_path: '/api/v1/crates/rand/1.1.0/download',
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downloads: 7404,
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features: {},
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license: 'Apache-2.0',
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links: {
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dependencies: '/api/v1/crates/rand/1.1.0/dependencies',
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version_downloads: '/api/v1/crates/rand/1.1.0/downloads',
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},
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num: '1.1.0',
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published_by: {
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id: 1,
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avatar: 'https://avatars1.githubusercontent.com/u/14631425?v=4',
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login: 'user-1',
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name: 'User 1',
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url: 'https://github.com/user-1',
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},
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readme_path: '/api/v1/crates/rand/1.1.0/readme',
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rust_version: null,
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updated_at: '2017-02-24T12:34:56Z',
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yanked: false,
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yank_message: null,
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},
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{
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id: 1,
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crate: 'rand',
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crate_size: 162_963,
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created_at: '2010-06-16T21:30:45Z',
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dl_path: '/api/v1/crates/rand/1.0.0/download',
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downloads: 3702,
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features: {},
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license: 'MIT',
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links: {
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dependencies: '/api/v1/crates/rand/1.0.0/dependencies',
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version_downloads: '/api/v1/crates/rand/1.0.0/downloads',
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},
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num: '1.0.0',
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published_by: null,
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readme_path: '/api/v1/crates/rand/1.0.0/readme',
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rust_version: null,
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updated_at: '2017-02-24T12:34:56Z',
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yanked: false,
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yank_message: null,
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},
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],
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meta: { total: 3, next_page: null },
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});
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});
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test('supports multiple `ids[]` parameters', async function () {
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let user = db.user.create();
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let crate = db.crate.create({ name: 'rand' });
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db.version.create({ crate, num: '1.0.0' });
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db.version.create({ crate, num: '1.1.0', publishedBy: user });
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db.version.create({ crate, num: '1.2.0', rust_version: '1.69' });
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let response = await fetch('/api/v1/crates/rand/versions?nums[]=1.0.0&nums[]=1.2.0');
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assert.strictEqual(response.status, 200);
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let json = await response.json();
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assert.deepEqual(
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json.versions.map(v => v.num),
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['1.2.0', '1.0.0'],
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);
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});
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test('include `release_tracks` meta', async function () {
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let user = db.user.create();
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let crate = db.crate.create({ name: 'rand' });
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db.version.create({ crate, num: '0.0.1' });
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db.version.create({ crate, num: '0.0.2', yanked: true });
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db.version.create({ crate, num: '1.0.0' });
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db.version.create({ crate, num: '1.1.0', publishedBy: user });
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db.version.create({ crate, num: '1.2.0', rust_version: '1.69', yanked: true });
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let req = await fetch('/api/v1/crates/rand/versions');
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let expected = await req.json();
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let response = await fetch('/api/v1/crates/rand/versions?include=release_tracks');
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// assert.strictEqual(response.status, 200);
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assert.deepEqual(await response.json(), {
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...expected,
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meta: {
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...expected.meta,
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release_tracks: {
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'0.0': {
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highest: '0.0.1',
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},
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1: {
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highest: '1.1.0',
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},
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},
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},
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});
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});

‎packages/crates-io-msw/index.js‎

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import sessionHandlers from './handlers/sessions.js';
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import teamHandlers from './handlers/teams.js';
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import userHandlers from './handlers/users.js';
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import versionHandlers from './handlers/versions.js';
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import apiToken from './models/api-token.js';
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import category from './models/category.js';
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import crateOwnerInvitation from './models/crate-owner-invitation.js';
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...sessionHandlers,
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...teamHandlers,
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...userHandlers,
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...versionHandlers,
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];
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export const db = factory({

‎packages/crates-io-msw/utils/release-tracks.js‎

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import semverParse from 'semver/functions/parse';
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import semverSort from 'semver/functions/rsort';
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export function calculateReleaseTracks(versions) {
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let versionNums = versions.filter(it => !it.yanked).map(it => it.num);
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semverSort(versionNums, { loose: true });
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let tracks = {};
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for (let num of versionNums) {
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let semver = semverParse(num, { loose: true });
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if (!semver || semver.prerelease.length !== 0) continue;
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let name = semver.major == 0 ? `0.${semver.minor}` : `${semver.major}`;
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if (name in tracks) continue;
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tracks[name] = { highest: num };
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}
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return tracks;
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}

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