ekko
57 lines
1.9 KiB
TypeScript
57 lines
1.9 KiB
TypeScript
import type { ContentBlock } from './types'
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/**
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* Convert ContentBlock[] to string for display/storage
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*/
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export function contentBlocksToString(input: string | ContentBlock[]): string {
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if (typeof input === 'string') return input
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return JSON.stringify(input)
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}
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/**
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* Extract text content from ContentBlock[] for title preview
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*/
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export function extractTextForPreview(input: string | ContentBlock[]): string {
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if (typeof input === 'string') return input
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return input
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.filter(block => block.type === 'text')
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.map(block => block.text)
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.join('\n')
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}
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/**
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* Check if input is ContentBlock array
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*/
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export function isContentBlockArray(input: any): input is ContentBlock[] {
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return Array.isArray(input) && input.length > 0 && ('type' in input[0])
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}
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/**
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* Convert ContentBlock[] to multimodal format for /v1/responses API.
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*/
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export async function convertContentBlocks(blocks: ContentBlock[]): Promise<Array<{ type: string; text?: string; image_url?: string }>> {
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const parts: Array<{ type: string; text?: string; image_url?: string }> = []
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const fs = await import('fs/promises')
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const path = await import('path')
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for (const block of blocks) {
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if (block.type === 'text') {
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parts.push({ type: 'input_text', text: block.text })
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} else if (block.type === 'image') {
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try {
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const buf = await fs.readFile(block.path)
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const ext = path.extname(block.path).toLowerCase().replace('.', '')
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const mime = ext === 'jpg' ? 'jpeg' : ext || 'png'
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const base64 = buf.toString('base64')
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parts.push({ type: 'input_image', image_url: `data:image/${mime};base64,${base64}` })
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} catch {
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parts.push({ type: 'input_text', text: `[Image: ${block.path}]` })
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}
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} else if (block.type === 'file') {
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parts.push({ type: 'input_text', text: `[File: ${block.name || block.path}]` })
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}
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}
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return parts
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}
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