levelcode/extensions/levelcode-updater/update.js at develop · levelcodeai/levelcode · GitHub

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/*---------------------------------------------------------------------------------------------

* LevelCode — Updater : pure helpers (no vscode import, unit-testable with `node`).

* Speaks the same update-feed contract as the editor's built-in updater

* (GET {updateUrl}/api/update/{target}/{quality}/{commit}), but only NOTIFIES — it never

* auto-applies, so it works on any build (incl. ad-hoc-signed) with no code-signing.

*--------------------------------------------------------------------------------------------*/

// @ts-check

'use strict';

/** Platform/arch → the update feed's asset target id (matches the built-in updater). */

function platformTarget(platform, arch) {

if (platform === 'darwin') { return arch === 'arm64' ? 'darwin-arm64' : 'darwin'; }

if (platform === 'win32') { return arch === 'arm64' ? 'win32-arm64' : 'win32-x64'; }

return arch === 'arm64' ? 'linux-arm64' : 'linux-x64';

}

/** Build the feed URL: {base}/api/update/{target}/{quality}/{commit}. */

function buildFeedUrl(base, target, quality, commit) {

const b = String(base || '').replace(/\/+$/, '');

return b + '/api/update/' + encodeURIComponent(target) + '/' + encodeURIComponent(quality) + '/' + encodeURIComponent(commit);

}

/**

* Interpret a feed response: 204 → up to date (null); 200 + valid JSON with a `version` → the

* release; anything else → null (errors are non-fatal for a notify-only updater).

* @param {number} status @param {string} body

function parseFeed(status, body) {

if (status === 204) { return null; }

if (status === 200) {

try { const j = JSON.parse(body); return j && j.version ? j : null; }

catch { return null; }

}

return null;

}

/** A release is newer iff the feed advertises a different build commit than the one running. */

function isNewer(feed, currentCommit) {

return !!(feed && feed.version && feed.version !== currentCommit);

}

/** Human label for a notification, preferring the SemVer productVersion. */

function releaseLabel(feed) {

if (!feed) { return 'A new version'; }

return feed.productVersion ? ('LevelCode ' + feed.productVersion) : 'A new LevelCode build';

}

/**

* Where the "Download" button sends a human.

* Deliberately NOT `feed.url`. Since the signed-zip work (auto-update S2) that field is the

* arch-matched `LevelCode-<arch>.app.zip` — an artifact for the editor's built-in Squirrel updater to

* INSTALL, not a page to open. Opening it hands the user a raw zip download instead of a release page.

* This extension only ever NOTIFIES, so it points exclusively at human-facing pages: the download

* funnel first, then this release's notes, then the feed base as a last resort.

* Note the feed serves `url` unconditionally to this extension — the LEVELCODE_UPDATE_FEED_SIGNED

* guard gates Squirrel, not the notify-only client — so this must not depend on that flag being off.

* @param {any} feed @param {any} product @param {string} [base]

function downloadUrl(feed, product, base) {

const f = feed || {}, p = product || {};

return p.downloadUrl || f.releaseNotesUrl || base || '';

}

module.exports = { platformTarget, buildFeedUrl, parseFeed, isNewer, releaseLabel, downloadUrl };

levelcode/extensions/levelcode-updater/update.js at develop · levelcodeai/levelcode · GitHub

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