405 lines
12 KiB
JavaScript
405 lines
12 KiB
JavaScript
import { Blob, 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-hand-spirit-muted-color-concepts',
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);
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const referenceImagePath = path.join(
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repoRoot,
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'public',
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'branding',
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'taonier-logo-hand-spirit-ref01-logo-refine-concepts',
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'taonier-hand-spirit-ref01-logo-refine-01-flat-coral-cream.png',
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);
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const timeoutMsDefault = 420000;
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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('--')) continue;
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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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'Use the uploaded logo as the structural reference. Keep the same icon-only mark structure: a soft semi-dome clay spirit above a smooth abstract hand-like support curve.',
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'Create a low-saturation color exploration for a young women-friendly brand logo. No Chinese, no English, no letters, no numbers, no wordmark, no tagline, no text.',
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'Preserve the existing logo proportions, centered composition, abstract hand support, semi-dome spirit shape, and clean logo silhouette. Do not add a face, eyes, mouth, limbs, star, spark, UI, border, or watermark.',
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'The goal is softer, more tasteful, more wearable brand color. The palette should feel like a modern lifestyle brand, not a toy, candy, dessert, or cosmetics ad.',
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'Use muted but attractive colors: dusty rose, misty lavender, sage green, smoke blue, butter cream, muted coral, terracotta clay, pale apricot. Keep the image warm and youthful without becoming loud.',
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'Make it flatter and clearer than the original reference: broad vector-friendly shapes, crisp edges, minimal gradients, no glossy highlight unless the variant explicitly asks for a subtle polish.',
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'Keep 32px readability and black-white viability. The mark must still work as an app icon, social avatar, and trademark symbol.',
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'Clean light background, generous safe area. Image-only logo concept.',
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];
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const variants = [
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{
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id: '01-dusty-rose-sage',
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title: '雾玫鼠尾草',
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prompt: [
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...basePrompt,
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'Palette: dusty rose semi-dome, sage green support curve, warm ivory gap. Soft, modern, and feminine without being sweet.',
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],
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},
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{
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id: '02-smoke-blue-apricot',
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title: '烟蓝杏橙',
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prompt: [
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...basePrompt,
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'Palette: smoke blue support curve, pale apricot or muted peach semi-dome, cream separator. Calm, fresh, and suitable for young users.',
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],
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},
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{
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id: '03-misty-lilac-clay',
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title: '雾紫陶土',
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prompt: [
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...basePrompt,
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'Palette: misty lilac support, soft terracotta clay spirit, off-white negative space. More boutique and refined, not purple-tech.',
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],
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},
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{
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id: '04-butter-rose-tea',
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title: '黄油玫瑰茶',
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prompt: [
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...basePrompt,
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'Palette: butter cream spirit, muted rose support curve, faint tea-green accent. Gentle, cozy, and premium with low saturation.',
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],
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},
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{
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id: '05-clay-blue-mint',
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title: '陶蓝薄荷',
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prompt: [
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...basePrompt,
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'Palette: clay orange or muted coral semi-dome, powder blue support, tiny mint accent. Softly playful but not heavy.',
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],
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},
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{
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id: '06-powder-berry-cloud',
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title: '粉雾浆果',
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prompt: [
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...basePrompt,
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'Palette: powder berry semi-dome, cloud pink support curve, warm cream gap. Youthful, gentle, and more like a boutique brand than a toy.',
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],
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},
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{
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id: '07-sand-violet',
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title: '砂紫奶雾',
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prompt: [
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...basePrompt,
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'Palette: sand beige or pale almond spirit, muted violet support curve, soft cream separator. Quiet, tasteful, and logo-ready.',
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],
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},
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{
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id: '08-muted-duotone',
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title: '低饱双色',
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prompt: [
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...basePrompt,
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'Palette and style: two-color muted duotone only. Use one subdued warm hue and one subdued cool hue. No shiny gloss, no intense contrast, no candy feeling.',
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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)) return {};
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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('#')) continue;
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const match = /^([A-Za-z_][A-Za-z0-9_]*)=(.*)$/u.exec(trimmed);
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if (!match) continue;
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let value = match[2].trim();
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if (
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(value.startsWith('"') && value.endsWith('"')) ||
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(value.startsWith("'") && value.endsWith("'"))
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) {
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value = value.slice(1, -1);
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}
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values[match[1]] = value;
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}
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return values;
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}
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function resolveEnv() {
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const loaded = {
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...readDotenv('.env.example'),
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...readDotenv('.env.local'),
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...readDotenv('.env.secrets.local'),
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...process.env,
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};
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return {
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baseUrl: String(loaded.VECTOR_ENGINE_BASE_URL || '')
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.trim()
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.replace(/\/+$/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 buildEditUrl(baseUrl) {
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return baseUrl.endsWith('/v1')
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? `${baseUrl}/images/edits`
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: `${baseUrl}/v1/images/edits`;
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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') return;
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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()) output.push(nested.trim());
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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()) output.push(entry.trim());
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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') return 'png';
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if (normalized === 'image/webp') return 'webp';
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if (normalized === 'image/gif') return 'gif';
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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'))) return 'png';
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if (bytes.subarray(0, 3).equals(Buffer.from([0xff, 0xd8, 0xff]))) return 'jpg';
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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) throw new Error(`download ${response.status}`);
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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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function createEditFormData(variant) {
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const form = new FormData();
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const imageBytes = readFileSync(referenceImagePath);
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form.append('model', 'gpt-image-2');
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form.append('prompt', variant.prompt.join('\n'));
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form.append('n', '1');
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form.append('size', '1024x1024');
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form.append(
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'image',
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new Blob([imageBytes], { type: 'image/png' }),
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path.basename(referenceImagePath),
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);
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return form;
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}
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function buildDryRunFields(variant) {
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return {
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model: 'gpt-image-2',
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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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image: referenceImagePath,
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};
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}
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async function generateOne(env, variant) {
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const payload = await fetchJson(
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buildEditUrl(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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},
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body: createEditFormData(variant),
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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 = { bytes, extension: inferExtensionFromBytes(bytes) };
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} else {
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throw new Error(`VectorEngine returned no image for ${variant.id}`);
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}
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mkdirSync(outputDir, { recursive: true });
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const outputPath = path.join(
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outputDir,
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`taonier-hand-spirit-muted-color-${variant.id}.${image.extension}`,
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);
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writeFileSync(outputPath, image.bytes);
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return outputPath;
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}
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function writeManifest(files) {
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const manifestPath = path.join(outputDir, 'taonier-hand-spirit-muted-color-manifest.json');
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writeFileSync(
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manifestPath,
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`${JSON.stringify(
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{
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model: 'gpt-image-2',
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endpoint: '/v1/images/edits',
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size: '1024x1024',
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referenceImage: path.relative(repoRoot, referenceImagePath),
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generatedAt: new Date().toISOString(),
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brief: {
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brand: '陶泥儿',
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goal: '低饱和度但不寡淡的年轻向颜色探索',
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keep: '保留托举曲线与半球灵体结构，不加文字、不加脸、不加星星',
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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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referenceImagePath,
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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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fields: buildDryRunFields(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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if (!existsSync(referenceImagePath)) {
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console.error(JSON.stringify({ ok: false, error: 'Reference image does not exist' }));
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process.exit(1);
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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(JSON.stringify({ ok: true, count: generated.length, files: generated, manifest: manifestPath }, null, 2));
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