419 lines
13 KiB
JavaScript
419 lines
13 KiB
JavaScript
import { Buffer } from 'node:buffer';
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import { existsSync, mkdirSync, readFileSync, writeFileSync } from 'node:fs';
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import path from 'node:path';
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import { fileURLToPath } from 'node:url';
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const __filename = fileURLToPath(import.meta.url);
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const __dirname = path.dirname(__filename);
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const repoRoot = path.resolve(__dirname, '..');
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const outputDir = path.join(
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repoRoot,
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'public',
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'branding',
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'taonier-logo-flow-concepts',
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);
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const timeoutMsDefault = 180000;
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const args = new Map();
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for (let index = 2; index < process.argv.length; index += 1) {
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const raw = process.argv[index];
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if (!raw.startsWith('--')) {
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continue;
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}
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const next = process.argv[index + 1];
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if (next && !next.startsWith('--')) {
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args.set(raw, next);
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index += 1;
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} else {
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args.set(raw, true);
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}
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}
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const basePrompt = [
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'请生成一枚全新的「陶泥儿」产品商标图形标概念稿，但画面中绝对不要出现任何中文字、英文字母、数字、符号字样或品牌字标。',
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'产品定位：精品 AI UGC 轻休闲小游戏创作与传播平台，用户可以像捏陶泥一样把脑洞、梗和灵感塑造成小游戏或趣味内容。',
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'这次必须彻底放弃方形底和中心星星：不要整体方形、不要圆角方块、不要 App 图标底板、不要中间星形、不要五角星、不要四角星、不要闪光、不要中心挖孔星。',
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'核心隐喻：连续的陶泥曲线。用一整块顺滑、亲和、可塑的陶泥大结构来表达「脑洞被揉开、灵感流动、内容成型」，图形要像一个完整的流动符号，而不是底板加中心图案。',
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'主结构：由平滑曲线组成的大轮廓，可以像柔软泥流、脑洞涟漪、捏合的回环、温和的旋拧、单线团块或开放结。整体必须连贯、圆润、有亲和力，不能分裂成多个碎片。',
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'风格：现代扁平矢量商标，轻微哑光陶泥质感；边缘干净、曲线饱满、负形明确，适合商标、App 图标、社区头像和启动页。',
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'配色：暖陶白、浅陶土、陶土橙、暖棕为主，可加入少量低饱和孔雀青或深泥灰作为曲线内侧阴影或小连接点。颜色要温暖、有吸引力，但不要糖果色。',
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'识别度：远看必须能记住一个独特的大曲线轮廓；不要靠中心图案识别。缩小到 64px 时仍能看出整体曲线姿态。',
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'亲和力：整体像可以被揉捏的柔软小世界，有陪伴感和创作感，但不要做成脸、表情、角色或吉祥物。',
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'禁止：方形底、圆角方块、中心星星、任何星形、闪光、徽章、印章、砖块、泥饼、石头、陶片、饼干、糖果、手、陶艺工具、笔刷、复杂场景、按钮、UI、边框、水印、文字。',
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];
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const variants = [
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{
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id: '01-soft-ribbon-loop',
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title: '柔泥回环',
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prompt: [
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...basePrompt,
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'本张重点：一条宽厚柔软的陶泥带形成开放回环，像脑洞被揉开。轮廓连续，内部负形自然，不出现星形或方形底。',
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],
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},
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{
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id: '02-clay-wave-knot',
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title: '陶泥波结',
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prompt: [
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...basePrompt,
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'本张重点：像一个温和波浪结，由 2 条互相捏合的平滑曲线组成，但必须视觉上像一个整体符号，不要碎片化。',
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],
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},
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{
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id: '03-imagination-ripple',
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title: '脑洞涟漪',
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prompt: [
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...basePrompt,
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'本张重点：用一整块陶泥曲面形成涟漪状大轮廓，中间负形像柔和水滴或脑洞入口，不能像星星。',
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],
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},
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{
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id: '04-friendly-clay-comet',
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title: '亲和泥流',
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prompt: [
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...basePrompt,
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'本张重点：亲和泥流。整体像一个流动的陶泥小世界，前端圆润、尾部自然收束，有动势但不尖锐。',
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],
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},
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{
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id: '05-single-stroke-blob',
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title: '单笔团块',
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prompt: [
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...basePrompt,
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'本张重点：单笔成型。像用一笔连续曲线捏出的陶泥团，结构极简但有记忆点，适合后续矢量化。',
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],
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},
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{
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id: '06-two-tone-soft-flow',
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title: '双色软流',
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prompt: [
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...basePrompt,
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'本张重点：双色曲线。暖陶白主体配少量孔雀青或陶土橙内侧曲线，让图形更吸引人，但不能变成多片拼贴。',
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],
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},
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{
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id: '07-open-clay-orbit',
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title: '开放泥环',
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prompt: [
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...basePrompt,
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'本张重点：开放式泥环。不是闭合圆，也不是旋涡旧稿，而是一枚有缺口和呼吸感的平滑陶泥环形符号。',
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],
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},
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{
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id: '08-brand-flow-glyph',
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title: '品牌曲线符',
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prompt: [
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...basePrompt,
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'本张重点：最终品牌符号潜力。减少材质和细节，用 1 到 2 个大曲线色块形成独特、亲和、可注册的图形标。',
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],
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},
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];
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function readDotenv(fileName) {
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const filePath = path.join(repoRoot, fileName);
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if (!existsSync(filePath)) {
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return {};
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}
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const values = {};
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for (const line of readFileSync(filePath, 'utf8').split(/\r?\n/u)) {
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const trimmed = line.trim();
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if (!trimmed || trimmed.startsWith('#')) {
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continue;
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}
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const match = /^([A-Za-z_][A-Za-z0-9_]*)=(.*)$/u.exec(trimmed);
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if (!match) {
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continue;
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}
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let value = match[2].trim();
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if (
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(value.startsWith('"') && value.endsWith('"')) ||
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(value.startsWith("'") && value.endsWith("'"))
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) {
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value = value.slice(1, -1);
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}
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values[match[1]] = value;
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}
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return values;
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}
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function resolveEnv() {
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const loaded = {
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...readDotenv('.env.example'),
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...readDotenv('.env.local'),
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...readDotenv('.env.secrets.local'),
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...process.env,
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};
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return {
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baseUrl: String(loaded.VECTOR_ENGINE_BASE_URL || '')
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.trim()
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.replace(/\/+$/u, ''),
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apiKey: String(loaded.VECTOR_ENGINE_API_KEY || '').trim(),
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timeoutMs: Number.parseInt(
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String(loaded.VECTOR_ENGINE_IMAGE_REQUEST_TIMEOUT_MS || timeoutMsDefault),
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10,
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),
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};
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}
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function buildVectorEngineImagesGenerationUrl(baseUrl) {
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return baseUrl.endsWith('/v1')
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? `${baseUrl}/images/generations`
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: `${baseUrl}/v1/images/generations`;
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}
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function buildRequestBody(variant) {
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return {
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model: 'gpt-image-2-all',
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prompt: variant.prompt.join('\n'),
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n: 1,
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size: '1024x1024',
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};
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}
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function collectStringsByKey(value, targetKey, output) {
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if (Array.isArray(value)) {
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value.forEach((entry) => collectStringsByKey(entry, targetKey, output));
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return;
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}
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if (!value || typeof value !== 'object') {
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return;
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}
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for (const [key, nested] of Object.entries(value)) {
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if (key === targetKey) {
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if (typeof nested === 'string' && nested.trim()) {
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output.push(nested.trim());
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}
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if (Array.isArray(nested)) {
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nested.forEach((entry) => {
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if (typeof entry === 'string' && entry.trim()) {
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output.push(entry.trim());
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}
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});
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}
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}
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collectStringsByKey(nested, targetKey, output);
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}
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}
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function extractImageUrls(payload) {
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const urls = [];
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collectStringsByKey(payload, 'url', urls);
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collectStringsByKey(payload, 'image', urls);
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collectStringsByKey(payload, 'image_url', urls);
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return [...new Set(urls)].filter((url) => /^https?:\/\//u.test(url));
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}
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function extractBase64Images(payload) {
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const values = [];
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collectStringsByKey(payload, 'b64_json', values);
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return values;
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}
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function inferExtensionFromContentType(contentType) {
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const normalized = contentType.split(';')[0]?.trim().toLowerCase();
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if (normalized === 'image/png') {
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return 'png';
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}
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if (normalized === 'image/webp') {
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return 'webp';
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}
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if (normalized === 'image/gif') {
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return 'gif';
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}
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return 'jpg';
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}
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function inferExtensionFromBytes(bytes) {
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if (bytes.subarray(0, 8).equals(Buffer.from('\x89PNG\r\n\x1A\n', 'binary'))) {
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return 'png';
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}
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if (bytes.subarray(0, 3).equals(Buffer.from([0xff, 0xd8, 0xff]))) {
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return 'jpg';
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}
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if (
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bytes.subarray(0, 4).toString('ascii') === 'RIFF' &&
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bytes.subarray(8, 12).toString('ascii') === 'WEBP'
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) {
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return 'webp';
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}
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return 'png';
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}
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async function fetchJson(url, options, timeoutMs) {
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const abortController = new AbortController();
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const timer = setTimeout(() => abortController.abort(), timeoutMs);
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try {
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const response = await fetch(url, {
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...options,
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signal: abortController.signal,
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});
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const text = await response.text();
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if (!response.ok) {
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throw new Error(`VectorEngine ${response.status}: ${text.slice(0, 600)}`);
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}
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return JSON.parse(text);
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} catch (error) {
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if (error?.name === 'AbortError') {
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throw new Error(`VectorEngine request timed out after ${timeoutMs}ms`);
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}
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throw error;
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} finally {
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clearTimeout(timer);
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}
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}
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async function downloadUrl(url, timeoutMs) {
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const abortController = new AbortController();
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const timer = setTimeout(() => abortController.abort(), timeoutMs);
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try {
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const response = await fetch(url, { signal: abortController.signal });
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if (!response.ok) {
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throw new Error(`download ${response.status}`);
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}
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const bytes = Buffer.from(await response.arrayBuffer());
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return {
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bytes,
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extension: inferExtensionFromContentType(
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response.headers.get('content-type') || 'image/jpeg',
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),
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};
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} catch (error) {
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if (error?.name === 'AbortError') {
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throw new Error(`Generated image download timed out after ${timeoutMs}ms`);
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}
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throw error;
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} finally {
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clearTimeout(timer);
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}
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}
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async function generateOne(env, variant) {
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const requestBody = buildRequestBody(variant);
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const payload = await fetchJson(
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buildVectorEngineImagesGenerationUrl(env.baseUrl),
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{
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method: 'POST',
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headers: {
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Authorization: `Bearer ${env.apiKey}`,
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Accept: 'application/json',
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'Content-Type': 'application/json',
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},
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body: JSON.stringify(requestBody),
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},
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env.timeoutMs,
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);
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const urls = extractImageUrls(payload);
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const b64Images = extractBase64Images(payload);
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let image;
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if (urls[0]) {
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image = await downloadUrl(urls[0], env.timeoutMs);
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} else if (b64Images[0]) {
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const bytes = Buffer.from(b64Images[0], 'base64');
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image = {
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bytes,
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extension: inferExtensionFromBytes(bytes),
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};
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} else {
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throw new Error(`VectorEngine returned no image for ${variant.id}`);
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}
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mkdirSync(outputDir, { recursive: true });
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const outputPath = path.join(outputDir, `taonier-flow-${variant.id}.${image.extension}`);
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writeFileSync(outputPath, image.bytes);
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return outputPath;
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}
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function writeManifest(files) {
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const manifestPath = path.join(outputDir, 'taonier-logo-flow-manifest.json');
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writeFileSync(
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manifestPath,
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`${JSON.stringify(
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{
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model: 'gpt-image-2-all',
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size: '1024x1024',
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generatedAt: new Date().toISOString(),
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creativeDirection: {
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name: '陶泥儿连续曲线亲和图形标',
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textPolicy: 'no Chinese, no English, no wordmark',
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correction:
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'no square base, no center star, use one continuous friendly clay curve structure',
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motif: '柔泥回环、脑洞涟漪、开放泥环、品牌曲线符',
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},
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variants: variants.map((variant) => {
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const file = files.find((item) => path.basename(item).includes(variant.id));
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return {
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id: variant.id,
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title: variant.title,
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file: file ? path.basename(file) : null,
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prompt: variant.prompt.join('\n'),
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};
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}),
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},
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null,
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2,
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)}\n`,
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'utf8',
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);
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return manifestPath;
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}
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const dryRun = args.has('--dry-run') || !args.has('--live');
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const limit = Number.parseInt(String(args.get('--limit') || variants.length), 10);
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const selectedVariants = variants.slice(0, limit);
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if (dryRun) {
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console.log(
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JSON.stringify(
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{
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mode: 'dry-run',
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outputDir,
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count: selectedVariants.length,
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requests: selectedVariants.map((variant) => ({
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id: variant.id,
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title: variant.title,
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body: buildRequestBody(variant),
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})),
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},
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null,
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2,
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),
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);
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process.exit(0);
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}
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const env = resolveEnv();
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if (!env.baseUrl || !env.apiKey) {
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console.error(
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JSON.stringify({
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ok: false,
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error: 'Missing VECTOR_ENGINE_BASE_URL or VECTOR_ENGINE_API_KEY',
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hasBaseUrl: Boolean(env.baseUrl),
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hasApiKey: Boolean(env.apiKey),
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}),
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);
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process.exit(1);
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}
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const generated = [];
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for (const variant of selectedVariants) {
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console.log(`Generating ${variant.id} ${variant.title}...`);
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generated.push(await generateOne(env, variant));
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}
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const manifestPath = writeManifest(generated);
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console.log(
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JSON.stringify(
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{
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ok: true,
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count: generated.length,
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files: generated,
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manifest: manifestPath,
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},
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null,
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2,
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),
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);
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