chris
55375d2ff0
Server: - New POST /api/lint/check proxies to LanguageTool API (public free endpoint by default; override with LANGUAGETOOL_URL env var for self-hosted instance) - Returns trimmed match list: message, offset, length, replacements, kind (spelling|grammar), ruleId - Disables cosmetic rules that don't suit creative writing - 20-second timeout; falls back with 502 on error Frontend: - LintMark: transient TipTap Mark extension (never saved to DB — stripLintMarks() removes them from getJSON() before onChange fires) - buildTextMap(): walks ProseMirror doc tree, builds parallel plain- text string + position array so LanguageTool char offsets map back to exact PM positions even across paragraphs / headings - clearLintMarks() + runLint(): check → clear old marks → apply new marks in one transaction, no flicker - Click on underlined text → fixed-position popover showing the error message + up to 6 one-click replacement buttons + Ignore / ✕ - Applying a replacement triggers an automatic re-check after 600 ms - lintStatus: idle → checking → done → stale (when user edits) - ABC toolbar button shows count badge when errors found, ✓ when clean - Wavy red underline = spelling, wavy blue = grammar Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
56 lines
1.9 KiB
JavaScript
56 lines
1.9 KiB
JavaScript
import { Router } from 'express'
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import { auth } from '../middleware/auth.js'
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// Point at a self-hosted LanguageTool instance by setting LANGUAGETOOL_URL.
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// Falls back to the free public API (rate-limited but good for personal use).
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const LT_URL = (process.env.LANGUAGETOOL_URL || 'https://api.languagetoolplus.com/v2').replace(/\/$/, '')
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const router = Router()
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router.use(auth)
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router.post('/check', async (req, res) => {
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const { text, language = 'en-US' } = req.body || {}
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if (!text || typeof text !== 'string') return res.status(400).json({ error: 'text required' })
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if (text.length > 40000) return res.status(400).json({ error: 'text too long (max 40 000 chars)' })
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try {
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const body = new URLSearchParams({
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text,
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language,
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// Suppress cosmetic rules that aren't useful in a creative-writing context
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disabledRules: 'WHITESPACE_RULE,WORD_CONTAINS_UPPERCASE,EN_UNPAIRED_BRACKETS,DASH_RULE',
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})
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const r = await fetch(`${LT_URL}/check`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/x-www-form-urlencoded', Accept: 'application/json' },
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body: body.toString(),
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signal: AbortSignal.timeout(20000),
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})
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if (!r.ok) {
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const msg = await r.text().catch(() => '')
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throw new Error(`LanguageTool ${r.status}: ${msg.slice(0, 200)}`)
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}
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const data = await r.json()
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// Send only what the client needs — keep the payload small
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res.json({
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matches: (data.matches || []).map(m => ({
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message: m.message,
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offset: m.offset,
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length: m.length,
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replacements: (m.replacements || []).slice(0, 6).map(r => r.value),
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kind: m.rule?.category?.id === 'TYPOS' ? 'spelling' : 'grammar',
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ruleId: m.rule?.id ?? '',
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})),
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})
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} catch (err) {
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console.error('[lint] LanguageTool error:', err.message)
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res.status(502).json({ error: err.message })
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}
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})
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export default router
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