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Monorepo for Aesthetic.Computer aesthetic.computer
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JavaScript
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import { execFileSync, spawnSync } from "node:child_process";import { existsSync, mkdirSync, readdirSync, writeFileSync, copyFileSync } from "node:fs";import { resolve, dirname, join } from "node:path";import { homedir } from "node:os";import { fileURLToPath } from "node:url";
const HERE = dirname(fileURLToPath(import.meta.url));const REPO = resolve(HERE, "../../..");// Builds live under Shelf (the auto-cleaned ~/Desktop has// erased mid-render outputs in the past — see [[feedback_desktop_autocleaned]]).const BUILDS_ROOT = `${homedir()}/Documents/Shelf/builds`;
const argv = process.argv.slice(2);if (argv.length === 0 || argv[0].startsWith("--")) { console.error("usage: build.mjs <track-name> [flags]"); console.error(" <track-name> = trancenwaltz | trancenwaltzi"); process.exit(1);}const NAME = argv.shift();const flags = {};for (let i = 0; i < argv.length; i++) { const a = argv[i]; if (a.startsWith("--")) { const key = a.slice(2); const next = argv[i + 1]; if (next !== undefined && !next.startsWith("--")) { flags[key] = next; i++; } else flags[key] = true; }}
// ── per-track configuration ──────────────────────────────────────────const SECDIR_ROOT = `${homedir()}/Documents/Shelf/gens`;function illusMap(secDir, variant = "v8") { const pairs = []; for (const sec of ["intro", "break1", "build1", "drop1", "break2", "build2", "drop2", "outro"]) { const p = join(secDir, sec, "gens", `${variant}.png`); if (existsSync(p)) pairs.push(`${sec}=${p}`); } return pairs.join(",");}// Each video format declares its own canvas size, the variant suffix// of the section illustrations to use (square gets a 1:1 native set,// vertical gets the 2:3 portrait set), and the prelude image at the// matching aspect. The first entry is the default cover; later entries// suffix the output filename (e.g. <name>-cover-vertical.mp4).const CONFIGS = { trancenwaltz: { title: "trancenwaltz", bpm: "137.143", // Sung-vox stem is pre-rendered via pop/dance/bin/vocal.mjs and // saved to ~/Desktop/trance-sung-vox.mp3. trance.mjs mixes it in // via --vocal-stem when present. audio: [ "--meter", "3", "--vocal-stem", `${homedir()}/Desktop/trance-sung-vox.mp3`, ], sectionsDir: `${SECDIR_ROOT}/trancenwaltz-sections`, hideLanes: null, formats: [ { suffix: null, // default cover — no suffix → <name>-cover.mp4 size: "1500x1500", variant: "v10", // 1024x1024 native square illustrations (diverse pixie casting) prelude: `${SECDIR_ROOT}/trancenwaltz-sections/intro-prelude/gens/v10.png`, }, { suffix: "vertical", size: "1080x1920", variant: "v15", // 1024x1536 portrait — degradation arc: apple peeks through scrap, pals only on backsides, green war-guilt drones, whistlegraph→robotic-nightmare morph prelude: `${SECDIR_ROOT}/trancenwaltz-sections/intro-prelude/gens/v15.png`, }, { // 16:9 YouTube visualizer — the full cover-video chrome // (title / multi-lane piano-roll / karaoke / progress) // reframed landscape. Uses v10b (1536×1024 native landscape, // regenerated from cover-prompt-landscape.txt) so the // top/bottom crop is gentle and the canonical // whistlegraph-butterfly lid scrap lands correctly. // Upload via toolchain/youtube/yt.mjs. suffix: "youtube", size: "1920x1080", variant: "v10b", prelude: `${SECDIR_ROOT}/trancenwaltz-sections/intro-prelude/gens/v10.png`, }, { // Spotify Canvas: chrome-free, SILENT, 9:16, rapid cycle through // every section illy → seamless 6 s loop. Rendered by // canvas-loop.mjs (NOT cover-video.mjs — no chrome at all). suffix: "canvas", size: "1080x1920", variant: "v15", canvas: true, dur: 6, }, ], }, trancenwaltzi: { title: "trancenwaltzi", bpm: "137.143", audio: ["--mode", "chill", "--meter", "3"], sectionsDir: `${SECDIR_ROOT}/trancenwaltzi-sections`, hideLanes: "piano", formats: [ { suffix: null, size: "1500x1500", variant: "v16", // photographic calm Trader Joe's shop w/ pixie crew prelude: null, // chill mix has no greeting → no prelude swap }, { // IG-story cut — midnight-unravelling portrait set (v40p): // overtly-unsettling foggy 3am Trader Joe's, walls of reality // tearing, crew uncanny, jeffrey calm-blank. Latest 7-section // composition (build2 dropped). Built from // gens/trancenwaltzi-sections/<sec>/gens/v40p.png. suffix: "vertical", size: "1080x1920", variant: "v40p", prelude: null, // chill mix has no greeting → no prelude swap }, { // Same Canvas model — staged for when trancenwaltzi releases. suffix: "canvas", size: "1080x1920", variant: "v25p", // latest happy-arc portrait set canvas: true, dur: 6, }, ], }, trancepenta: { title: "trancepenta", bpm: "126", // trancepenta's audio is the 4-stage v13 master (engine --hell 13 // --meter 5 dorian --gallop --beat-in 30 → scratch-mix → // place-penta-vocal → finalize-penta-vocal). build.mjs can't // express that as one trance.mjs call, so a `bakeScript` runs the // deterministic pop/dance/bin/bake-trancepenta.sh, which writes // the MASTER + .mp3 + the paired preBright .assets/struct.json into // the SHARED twi-out dir. `audioSrc`/`structSrc` say where to pull // the finished master + struct from. audio: ["--mode", "chill", "--meter", "5"], // (descriptive; bakeScript drives the real render) bakeScript: `${REPO}/pop/dance/bin/bake-trancepenta.sh`, audioSrc: `${homedir()}/Documents/Shelf/twi-out/trancepenta-MASTER.wav`, structSrc: `${homedir()}/Documents/Shelf/twi-out/trancepenta-MASTER-preBright.wav.assets/struct.json`, sectionsDir: `${SECDIR_ROOT}/trancepenta-sections`, hideLanes: null, // dense chill mix — show every populated lane noLyrics: true, // DistroKid/IG rule — NO baked lyric/greeting text // DISMAL palette — greyer / lower-chroma than trancenwaltzi's // bright defaults. Mirrors the per-section diegetic colours the // illy prompts bake in (drained slate-blue → cyan-grey → sick // teal → cold cyan-blue → bruised violet → acid grey-green → cold // steel-blue → ashen). Passed to cover-video via --section-tints. sectionTints: { intro: "rgba(78,96,116,0.20)", // drained slate-blue break1: "rgba(86,118,128,0.20)", // cold cyan-grey build1: "rgba(70,108,108,0.20)", // dim sick teal drop1: "rgba(72,104,140,0.20)", // cold cyan-blue (the flare) break2: "rgba(96,90,118,0.20)", // bruised violet-grey build2: "rgba(96,108,92,0.20)", // acid grey-green drop2: "rgba(80,98,128,0.20)", // cold steel-blue (final flood) outro: "rgba(92,100,112,0.20)", // ashen grey-blue }, formats: [ { // Vertical 2:3 portrait set — the after-hours Trader Joe's / // jeffrey-teaching-young-Zuck / pixsies-watching set (v2, with // per-section dismal tint + PALS lid back-glow + screen-spill // on faces). v1 was the dismal foggy-harbour first pass, kept // on disk as .v1 backup. Primary deliverable = full vertical + // a 30s IG-story cut. suffix: "vertical", size: "1080x1920", variant: "v2", prelude: null, // chill mix has no greeting → no prelude swap }, { // 16:9 YouTube visualizer — same model as the trancenwaltz // youtube format. v10b = native-landscape (1536×1024) illys // regenerated from cover-prompt-landscape.txt; ZOOM_DAMP on // landscape halves the ken-burns amplitude in cover-video.mjs. // Upload via toolchain/youtube/yt.mjs. suffix: "youtube", size: "1920x1080", variant: "v10b", prelude: null, }, ], },};const CFG = CONFIGS[NAME];if (!CFG) { console.error(`unknown track '${NAME}'. options: ${Object.keys(CONFIGS).join(", ")}`); process.exit(1); }
// ── pick next build number ───────────────────────────────────────────const trackRoot = `${BUILDS_ROOT}/${NAME}`;mkdirSync(trackRoot, { recursive: true });const existingBuilds = readdirSync(trackRoot) .filter((d) => /^b\d{3}$/.test(d)) .map((d) => parseInt(d.slice(1), 10)) .sort((a, b) => a - b);const nextNum = (existingBuilds[existingBuilds.length - 1] ?? 0) + 1;const buildId = `b${String(nextNum).padStart(3, "0")}`;const buildDir = `${trackRoot}/${buildId}`;mkdirSync(buildDir, { recursive: true });
const audioOut = `${buildDir}/${NAME}.mp3`;const videoOut = `${buildDir}/${NAME}-cover.mp4`;
console.log(`▸ build ${NAME}/${buildId} → ${buildDir}`);
// ── git sha for the manifest ─────────────────────────────────────────let gitSha = null;try { gitSha = execFileSync("git", ["rev-parse", "--short", "HEAD"], { cwd: REPO, encoding: "utf8" }).trim();} catch {}
// ── audio render ──────────────────────────────────────────────────────let audioCmd = null;if (!flags["video-only"] && CFG.bakeScript) { // Multi-stage bake (trancepenta): run the deterministic bake script, // then copy its finished MASTER + paired struct into the build dir. audioCmd = ["bash", CFG.bakeScript]; if (flags["reuse-bake"] && existsSync(CFG.audioSrc) && existsSync(CFG.structSrc)) { console.log(`▸ audio · REUSE-BAKE (skip ${CFG.bakeScript}; using cached ${CFG.audioSrc})`); } else { console.log(`▸ audio · bake · ${audioCmd.join(" ")}`); const r = spawnSync(audioCmd[0], audioCmd.slice(1), { stdio: "inherit" }); if (r.status !== 0) { console.error("✗ audio bake failed"); process.exit(r.status || 1); } } if (!existsSync(CFG.audioSrc)) { console.error(`✗ bake produced no master at ${CFG.audioSrc}`); process.exit(1); } // cover-video probes the mp3; copy the master (as .mp3 container is // fine — cover-video only ffprobes duration + decodes via ffmpeg). spawnSync("ffmpeg", ["-y", "-i", CFG.audioSrc, "-b:a", "320k", audioOut], { stdio: "ignore" }); mkdirSync(`${buildDir}/${NAME}.assets`, { recursive: true }); copyFileSync(CFG.structSrc, `${buildDir}/${NAME}.assets/struct.json`); console.log(`▸ audio · baked master + struct → ${buildDir}`);} else if (!flags["video-only"]) { audioCmd = ["node", `${REPO}/recap/bin/trance.mjs`, ...CFG.audio, "--out", audioOut]; console.log(`▸ audio · ${audioCmd.join(" ")}`); const r = spawnSync(audioCmd[0], audioCmd.slice(1), { stdio: "inherit" }); if (r.status !== 0) { console.error("✗ audio render failed"); process.exit(r.status || 1); }} else if (flags["reuse-audio"]) { const srcDir = `${trackRoot}/${flags["reuse-audio"]}`; if (!existsSync(`${srcDir}/${NAME}.mp3`)) { console.error(`✗ --reuse-audio ${flags["reuse-audio"]} not found at ${srcDir}/${NAME}.mp3`); process.exit(1); } // Copy the audio + struct into this build dir so the video render // sees them locally and the build dir is self-contained. copyFileSync(`${srcDir}/${NAME}.mp3`, audioOut); mkdirSync(`${buildDir}/${NAME}.assets`, { recursive: true }); copyFileSync(`${srcDir}/${NAME}.assets/struct.json`, `${buildDir}/${NAME}.assets/struct.json`); console.log(`▸ audio · REUSED from ${flags["reuse-audio"]}`);} else { console.error("✗ --video-only requires --reuse-audio <bNNN>"); process.exit(1);}
// ── video render(s) — one per declared format, each with its own// variant (square vs portrait illustrations) ────const videoCmds = [];const extraOutputs = {};if (!flags["audio-only"]) { for (const fmt of CFG.formats || []) { // --only <suffix> cuts just one format (e.g. --only vertical) so a // single-cut doesn't re-render the other formats. "square" matches // the default no-suffix format. if (flags.only && (fmt.suffix || "square") !== flags.only) { console.log(`▸ video [${fmt.suffix || "square"}] · SKIPPED (--only ${flags.only})`); continue; } const ILLUS_MAP = illusMap(CFG.sectionsDir, fmt.variant); const introIllus = `${CFG.sectionsDir}/intro/gens/${fmt.variant}.png`; if (!existsSync(introIllus)) { console.error(`✗ missing intro illustration for variant ${fmt.variant}: ${introIllus}`); process.exit(1); } const out = fmt.suffix ? videoOut.replace(/\.mp4$/, `-${fmt.suffix}.mp4`) : videoOut; if (fmt.suffix) extraOutputs[fmt.suffix] = out; let cmd; if (fmt.canvas) { // Spotify Canvas — its own renderer, no audio/chrome at all. cmd = [ "node", `${REPO}/pop/dance/bin/canvas-loop.mjs`, "--illustrations", ILLUS_MAP, "--size", fmt.size, "--dur", String(fmt.dur || 6), "--out", out, ]; } else { cmd = [ "node", `${REPO}/pop/dance/bin/cover-video.mjs`, "--track", audioOut, "--illustration", introIllus, "--illustrations", ILLUS_MAP, "--title", CFG.title, "--bpm", CFG.bpm, "--size", fmt.size, "--out", out, ]; if (fmt.prelude && !flags["no-prelude"] && existsSync(fmt.prelude)) { cmd.push("--prelude", fmt.prelude); } if (CFG.hideLanes) { cmd.push("--hide-lanes", CFG.hideLanes); } // Multi-stage tracks ship their struct alongside the audio in // the build dir — point cover-video at it explicitly (its // <track>.assets/struct.json default also resolves, but be // explicit so a reused/baked struct is unambiguous). if (CFG.bakeScript) { cmd.push("--struct", `${buildDir}/${NAME}.assets/struct.json`); } // DISMAL per-section palette override (greyer than the bright // cover-video defaults). if (CFG.sectionTints) { cmd.push("--section-tints", JSON.stringify(CFG.sectionTints)); } // NO baked lyric / greeting text (DistroKid + IG). cover-video // only loads karaoke when the lyrics file exists; point it at a // guaranteed-absent path so the text layer is fully skipped. if (CFG.noLyrics) { cmd.push("--lyrics", `${buildDir}/.NO_LYRICS_${NAME}.json`); } } videoCmds.push({ kind: fmt.suffix || "square", out, cmd, fmt }); } for (const job of videoCmds) { console.log(`▸ video [${job.kind} · ${job.fmt.size} · variant=${job.fmt.variant}] · ${job.cmd.join(" ")}`); const r = spawnSync(job.cmd[0], job.cmd.slice(1), { stdio: "inherit" }); if (r.status !== 0) { console.error(`✗ video [${job.kind}] render failed`); process.exit(r.status || 1); } }} else { console.log(`▸ video · SKIPPED (--audio-only)`);}
// ── manifest ──────────────────────────────────────────────────────────const manifest = { name: NAME, buildId, buildNum: nextNum, builtAt: new Date().toISOString(), gitSha, note: flags.note || null, config: CFG, formats: (CFG.formats || []).map((f) => ({ ...f, prelude: f.prelude && !flags["no-prelude"] ? f.prelude : null })), audioCmd, videoCmds: videoCmds.map((j) => ({ kind: j.kind, out: j.out, cmd: j.cmd, ok: existsSync(j.out) })), reuseAudio: flags["reuse-audio"] || null, outputs: { audio: existsSync(audioOut) ? audioOut : null, video: existsSync(videoOut) ? videoOut : null, struct: existsSync(`${buildDir}/${NAME}.assets/struct.json`) ? `${buildDir}/${NAME}.assets/struct.json` : null, ...Object.fromEntries(Object.entries(extraOutputs).map(([k, v]) => [`video_${k}`, existsSync(v) ? v : null])), },};writeFileSync(`${buildDir}/manifest.json`, JSON.stringify(manifest, null, 2));
console.log(`✓ ${NAME}/${buildId} complete`);if (manifest.outputs.audio) console.log(` audio · ${manifest.outputs.audio}`);if (manifest.outputs.video) console.log(` video · ${manifest.outputs.video}`);