all repos — snow-editor @ 13d855e25e8510a57608b0ce77f62cbeed372d0e

small and cozy markdown, and orgmode editor

src/lib/deriveTitle.js (view raw)

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import { MODES } from './editorConstants.js';
import { STR } from './strings.js';

// First meaningful line of the document, used for draft names and filenames.
export function deriveTitle(content, mode) {
  const line = (content ?? '').split('\n').find((l) => l.trim());
  if (!line) return STR.UNTITLED_DOCUMENT;
  if (mode === MODES.MARKDOWN) {
    const m = line.match(/^#+\s+(.+)$/);
    if (m) return m[1].trim();
  }
  if (mode === MODES.ORG) {
    const title = line.match(/^#\+TITLE:\s*(.+)$/i);
    if (title) return title[1].trim();
    const m = line.match(/^\*+\s+(.+)$/);
    if (m) return m[1].replace(/^(TODO|DONE)\s+/, '').trim();
  }
  return line.trim().slice(0, 80) || STR.UNTITLED_DOCUMENT;
}