61 lines
2.2 KiB
TypeScript
61 lines
2.2 KiB
TypeScript
// Projection helpers - convert host-internal types into the read-only views
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// that plugins consume. Keeping this in one place ensures every slot/hook
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// hands plugins the same shape declared in plugin-types.ts.
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import type { Email } from '@/lib/jmap/types';
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import type { EmailReadView } from '@/lib/plugin-types';
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// Resolve a message's plain-text body from its JMAP body parts. Plugins that
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// translate or scan content need the real body, not just the short `preview`
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// snippet. Prefers text/plain parts; falls back to stripped HTML, then preview.
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function plainTextFromEmail(email: Email): string {
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const values = email.bodyValues || {};
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const collect = (parts?: { partId: string }[]) =>
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(parts || [])
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.map((p) => values[p.partId]?.value)
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.filter((v): v is string => typeof v === 'string' && v.length > 0)
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.join('\n')
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.trim();
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const text = collect(email.textBody);
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if (text) return text;
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const html = collect(email.htmlBody);
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if (html) {
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return html
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.replace(/<(script|style)[\s\S]*?<\/\1>/gi, ' ')
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.replace(/<[^>]+>/g, ' ')
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.replace(/ /gi, ' ')
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.replace(/&/gi, '&')
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.replace(/</gi, '<')
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.replace(/>/gi, '>')
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.replace(/'|'/gi, "'")
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.replace(/"/gi, '"')
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.replace(/[ \t]{2,}/g, ' ')
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.replace(/\n{3,}/g, '\n\n')
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.trim();
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}
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return (email.preview || '').trim();
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}
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export function emailToReadView(email: Email): EmailReadView {
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return {
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id: email.id,
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threadId: email.threadId,
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mailboxIds: Object.keys(email.mailboxIds || {}).filter(k => email.mailboxIds[k]),
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from: (email.from || []).map(a => ({ name: a.name || '', email: a.email })),
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to: (email.to || []).map(a => ({ name: a.name || '', email: a.email })),
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cc: (email.cc || []).map(a => ({ name: a.name || '', email: a.email })),
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subject: email.subject || '',
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receivedAt: email.receivedAt,
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isRead: !!email.keywords?.['$seen'],
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isFlagged: !!email.keywords?.['$flagged'],
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hasAttachment: email.hasAttachment,
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preview: email.preview || '',
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text: plainTextFromEmail(email),
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keywords: Object.keys(email.keywords || {}).filter(k => email.keywords[k]),
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auth: email.authenticationResults,
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};
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}
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