244 lines
7.3 KiB
JavaScript
244 lines
7.3 KiB
JavaScript
/**
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* ═══════════════════════════════════════════════════
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* 铸渊封面工作室 · 生成引擎 · v2.0
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* ═══════════════════════════════════════════════════
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*
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* 动态模板加载。新增模板只需:
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* 1. 创建 templates/xxx.js
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* 2. 在 templates/registry.js 注册
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* 3. 此文件零改动
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*/
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import { renderToImage, renderCarousel } from './renderer.js'
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import {
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TEMPLATE_REGISTRY,
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listTemplates,
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getTemplate,
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getDefaultTemplate,
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prepareRenderData,
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} from './templates/registry.js'
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import {
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analyzeText,
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recommendScheme,
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recommendLayout,
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} from './config.js'
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/* ═══════════════════════════════════════════════════
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* 神笔马良 · 自动分析 + 生成
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* ═══════════════════════════════════════════════════ */
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/**
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* @param {string} text - 内容(自由文本)
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* @param {object} options
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* @param {string} options.templateId - 模板ID(默认自动选择)
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* @param {string} options.presetId - 预设风格ID
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* @param {string} options.title - 标题(不传则从文本提取)
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* @param {string} options.layout - 布局
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* @param {string} options.output - 输出文件名
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* @returns {Promise<{files: string[], analysis: object}>}
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*/
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export async function fromText(text, options = {}) {
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// 分析内容
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const analysis = analyzeText(text)
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// 选择模板
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const template = options.templateId
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? getTemplate(options.templateId)
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: getDefaultTemplate()
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if (!template) {
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throw new Error('没有可用的模板')
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}
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// 提取内容
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const lines = text.split('\n').filter(Boolean)
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const title = options.title || lines[0] || ''
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const bodyLines = options.title ? lines : lines.slice(1)
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const body = bodyLines.join('\n')
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// 自动选择布局
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const layout = options.layout
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|| recommendLayout(analysis)
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|| 'default'
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// 自动选择预设
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let presetId = options.presetId
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if (!presetId && template.presets.length > 0) {
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const scheme = recommendScheme(analysis)
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const presetMap = {
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cream: 'warm',
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rose: 'rose',
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green: 'green',
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night: 'dark',
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}
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presetId = presetMap[scheme] || template.presets[0].id
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}
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// 准备渲染数据
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const renderData = prepareRenderData(template.id, presetId, {
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title,
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body,
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subtitle: options.subtitle || '',
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tag: options.tag || '',
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layout,
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})
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if (!renderData) {
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throw new Error(`模板 "${template.id}" 不存在`)
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}
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// 渲染
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const html = template.render(renderData)
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const baseName = options.output || `cover_${Date.now()}`
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const file = await renderToImage(html, {
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...template.sizes,
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name: baseName,
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format: 'png',
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})
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return {
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files: [file],
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analysis: {
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...analysis,
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templateId: template.id,
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templateName: template.name,
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presetId: renderData.presetId,
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layout: renderData.layout,
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sizes: template.sizes,
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},
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}
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}
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/* ═══════════════════════════════════════════════════
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* 精确生成 · 指定所有参数
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* ═══════════════════════════════════════════════════ */
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export async function generate(opts = {}) {
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// 如果给的是自由文本,走 fromText
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if (opts.text) {
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return fromText(opts.text, {
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templateId: opts.templateId,
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presetId: opts.presetId,
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title: opts.title,
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subtitle: opts.subtitle,
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tag: opts.tag,
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layout: opts.layout,
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output: opts.output,
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})
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}
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const {
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templateId = '',
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presetId = '',
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title = '',
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body = '',
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subtitle = '',
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tag = '',
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layout = 'default',
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output = '',
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width,
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height,
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} = opts
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const template = templateId ? getTemplate(templateId) : getDefaultTemplate()
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if (!template) {
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throw new Error(`模板不存在: ${templateId || '(无默认模板)'}` )
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}
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const renderData = prepareRenderData(template.id, presetId, {
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title,
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body,
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subtitle,
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tag,
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layout,
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})
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const sizes = width && height
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? { width, height }
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: template.sizes
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const html = template.render({ ...renderData, sizes })
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const baseName = output || `cover_${Date.now()}`
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const file = await renderToImage(html, { ...sizes, name: baseName })
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return {
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files: [file],
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templateId: template.id,
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templateName: template.name,
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presetId: renderData.presetId,
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layout: renderData.layout,
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}
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}
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/* ═══════════════════════════════════════════════════
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* 导出模板列表(供 API 使用)
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* ═══════════════════════════════════════════════════ */
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export { listTemplates, getTemplate, getDefaultTemplate }
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/* ═══════════════════════════════════════════════════
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* CLI 入口
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* ═══════════════════════════════════════════════════ */
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async function cli() {
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const args = process.argv.slice(2)
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function getArg(key) {
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const idx = args.indexOf(`--${key}`)
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if (idx === -1) return undefined
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const values = []
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for (let i = idx + 1; i < args.length; i++) {
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if (args[i].startsWith('--')) break
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values.push(args[i])
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}
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return values.length === 1 ? values[0] : values.join(' ')
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}
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const text = getArg('text') || getArg('t')
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if (text) {
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console.log('🎨 铸渊正在理解你的内容...')
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const result = await fromText(text, {
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templateId: getArg('template'),
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presetId: getArg('preset'),
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title: getArg('title'),
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output: getArg('output'),
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})
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console.log('✅ 生成完成!')
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console.log(` 📐 模板: ${result.analysis.templateName}`)
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console.log(` 🎨 预设: ${result.analysis.presetId}`)
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console.log(` 📐 布局: ${result.analysis.layout}`)
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result.files.forEach(f => console.log(` 📄 ${f}`))
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return
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}
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// 帮助
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console.log(`
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铸渊封面工作室 v2.0 · 神笔马良
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🎨 自动模式(推荐):
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node generate.js --text "你的内容" --template xiaohongshu --preset tech
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📋 可用模板:
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${listTemplates().map(t => `· ${t.icon} ${t.name} (${t.id}) — ${t.description}`).join('\n ')}
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🎨 可用预设:
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${Object.values(TEMPLATE_REGISTRY).flatMap(t =>
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t.presets.map(p => `· ${p.name} (${p.id}) — 来自 ${t.name}`)
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).join('\n ')}
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示例:
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node generate.js --text "零基础手搓AI封面生成器\n- 不需要GPU\n- 一行命令部署\n- 语言驱动排版" --template xiaohongshu --preset tech
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`)
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}
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if (process.argv[1] && process.argv[1].includes('generate.js')) {
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cli().catch(err => {
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console.error('❌ 生成失败:', err.message)
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process.exit(1)
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})
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}
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