84 lines
5 KiB
JavaScript
84 lines
5 KiB
JavaScript
#!/usr/bin/env node
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/**
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* desktop-build — `bun run desktop:build <plugin>`: package ONE desktop plugin as a desktop app (Tauri).
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*
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* Only a plugin whose <profile>.meta.json "targets" include "desktop" can be packaged (plugin-targets.mjs).
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* Nothing here touches public/ or the committed tree:
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* 1. the plugin's bundle is built into .desktop/<plugin>/ (DOXA_OUT_ROOT), with a one-element page that
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* tells it where its engine listens;
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* 2. the plugin's engine, when its meta names one ("backend": "backend/<name>", Go), is built for this
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* machine as deployment/src-tauri/binaries/<name>-<target triple>, Tauri's sidecar layout;
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* 3. `tauri build` runs with a --config override that points the window at that page, names the app,
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* and bundles the sidecar; deployment/src-tauri/tauri.conf.json itself is not edited.
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* The shell (deployment/src-tauri/src/main.rs) starts the sidecar with RUDDER_AUDIO=browser and
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* RUDDER_HOME=<app data dir>/rudder, and stops it when the window closes.
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* See documentation/HOWTO-build-the-desktop-app.md for prerequisites and what is still unproven.
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*/
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import { spawnSync } from 'node:child_process'
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import { existsSync, mkdirSync, rmSync, writeFileSync, readdirSync } from 'node:fs'
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import { join, resolve, dirname, relative } from 'node:path'
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import { fileURLToPath } from 'node:url'
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import { desktopProfile } from './plugin-targets.mjs'
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const ROOT = resolve(dirname(fileURLToPath(import.meta.url)), '..')
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const TAURI_DIR = join(ROOT, 'deployment', 'src-tauri')
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const plugin = process.argv[2]
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const die = (m) => { console.error('desktop:build: ' + m); process.exit(1) }
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const run = (cmd, args, opts = {}) => {
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console.log('→ ' + [cmd, ...args].join(' '))
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const r = spawnSync(cmd, args, { stdio: 'inherit', cwd: ROOT, ...opts, env: { ...process.env, ...(opts.env || {}) } })
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if (r.status !== 0) die(`${cmd} failed (exit ${r.status})`)
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}
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if (!plugin) die('usage: bun run desktop:build <plugin> (a plugin-designs/<plugin>/ whose meta targets include "desktop")')
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const dir = join(ROOT, 'plugin-designs', plugin)
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if (!existsSync(dir)) die(`no plugin-designs/${plugin}/`)
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const dp = desktopProfile(dir)
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if (!dp) die(`${plugin} does not declare "desktop" in any <profile>.meta.json "targets"; it is not a desktop plugin`)
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// 1. The plugin, built outside public/.
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const stage = join(ROOT, '.desktop', plugin)
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rmSync(stage, { recursive: true, force: true })
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mkdirSync(stage, { recursive: true })
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run('bun', ['x', 'vite', 'build'], { env: { BUNDLE: plugin, DOXA_OUT_ROOT: stage } })
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const tag = dp.meta.element || plugin
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const port = Number(process.env.RUDDER_PORT || 5193)
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const name = String(dp.meta.label || plugin).split(/\s+[—–-]\s+/)[0].trim() || plugin
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const cfg = { apiBase: `http://127.0.0.1:${port}/api/rudder` }
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writeFileSync(join(stage, 'index.html'), `<!doctype html>
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<html><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">
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<title>${name}</title><style>html,body{margin:0;height:100%;background:#0b0f14}</style></head>
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<body><${tag} profile-config='${JSON.stringify(cfg)}' style="display:block;height:100vh"></${tag}>
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<script src="${plugin}/${plugin}.js"></script></body></html>
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`)
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// 2. The engine, when the plugin has one.
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const externalBin = []
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const backend = dp.meta.backend
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if (backend) {
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const src = join(ROOT, backend)
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const sidecar = backend.split('/').filter(Boolean).pop()
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if (!existsSync(src)) die(`meta names backend "${backend}" but that folder does not exist`)
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const vv = spawnSync('rustc', ['-vV'], { encoding: 'utf8' })
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const triple = ((vv.stdout || '').match(/^host:\s*(\S+)/m) || [])[1]
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if (!triple) die('rustc not found: install Rust (https://rustup.rs) to build a desktop app')
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const exe = process.platform === 'win32' ? '.exe' : ''
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mkdirSync(join(TAURI_DIR, 'binaries'), { recursive: true })
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run('go', ['build', '-o', join(TAURI_DIR, 'binaries', `${sidecar}-${triple}${exe}`), '.'], { cwd: src })
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externalBin.push(`binaries/${sidecar}`)
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}
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// 3. The app.
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const targets = process.platform === 'darwin' ? ['dmg'] : process.platform === 'win32' ? ['nsis'] : ['deb']
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const override = {
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productName: name,
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identifier: `life.doxa.${plugin.replace(/[^a-z0-9]+/gi, '')}`,
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build: { frontendDist: relative(TAURI_DIR, stage) },
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app: { windows: [{ title: name, width: 760, height: 820, minWidth: 360, minHeight: 480, resizable: true, url: 'index.html' }] },
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bundle: { active: true, targets, ...(externalBin.length ? { externalBin } : {}) },
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}
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run(join(ROOT, 'node_modules', '.bin', process.platform === 'win32' ? 'tauri.cmd' : 'tauri'), ['build', '--config', JSON.stringify(override)])
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const bundleDir = join(process.env.CARGO_TARGET_DIR ? resolve(process.env.CARGO_TARGET_DIR) : join(TAURI_DIR, 'target'), 'release', 'bundle')
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const found = existsSync(bundleDir) ? readdirSync(bundleDir).flatMap((d) => readdirSync(join(bundleDir, d)).map((f) => join(bundleDir, d, f))) : []
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console.log(`\ndesktop:build ${plugin}: done. Installer(s):\n` + (found.length ? found.map((f) => ' ' + f).join('\n') : ` (none found under ${bundleDir})`))
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