59 lines
1.7 KiB
TypeScript
59 lines
1.7 KiB
TypeScript
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import type { Message, Part } from '@opencode-ai/sdk/v2';
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type SessionMessageRecord = { info: Message; parts: Part[] };
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function extractTextFromParts(parts: Part[]): string {
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return parts
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.filter((p): p is Part & { type: 'text'; text: string } => p.type === 'text' && typeof p.text === 'string')
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.map((p) => p.text)
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.join('');
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}
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function formatMessageAsMarkdown(record: SessionMessageRecord): string {
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const role = record.info.role === 'user' ? '### User' : '### Assistant';
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const text = extractTextFromParts(record.parts).trim();
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if (!text) return '';
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return `${role}\n\n${text}`;
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}
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export function formatSessionAsMarkdown(
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messages: SessionMessageRecord[],
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sessionTitle?: string | null,
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): string {
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const title = sessionTitle?.trim() || 'Session';
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const date = new Date().toISOString().split('T')[0];
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const header = `# ${title}\n\n*Exported on ${date}*\n\n---\n\n`;
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const body = messages
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.map(formatMessageAsMarkdown)
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.filter(Boolean)
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.join('\n\n---\n\n');
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return header + body;
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}
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export function downloadAsMarkdown(content: string, filename: string): void {
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const blob = new Blob([content], { type: 'text/markdown;charset=utf-8' });
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const url = URL.createObjectURL(blob);
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const anchor = document.createElement('a');
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anchor.href = url;
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anchor.download = filename;
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document.body.appendChild(anchor);
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anchor.click();
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document.body.removeChild(anchor);
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URL.revokeObjectURL(url);
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}
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export function buildExportFilename(sessionTitle?: string | null): string {
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const base = sessionTitle?.trim() || 'session';
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const safe = base
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.toLowerCase()
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.replace(/[^a-z0-9]+/g, '-')
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.replace(/^-+|-+$/g, '')
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.slice(0, 60);
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const date = new Date().toISOString().split('T')[0];
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return `${safe}-${date}.md`;
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}
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