d5b409c1ac
- Bloc équation avec barre visuelle 20 symboles (fractions, intégrales, grec, etc.) - Math en ligne : tape $x^2$ → rendu KaTeX inline automatique - Math en bloc : tape $$E=mc^2$$ → converti en bloc - Génération IA : décrit l'équation en langage naturel → LaTeX - Service math-from-text + endpoint /api/ai/math-from-text - CSS KaTeX importé - i18n FR/EN complet
45 lines
1.5 KiB
TypeScript
45 lines
1.5 KiB
TypeScript
import { getChatProvider } from '../factory'
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import { getSystemConfig } from '@/lib/config'
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export class MathFromTextService {
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async generate(description: string): Promise<string> {
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if (!description?.trim()) {
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throw new Error('Description is required')
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}
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const systemPrompt = `You are a mathematician and LaTeX expert.
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Convert the user's natural language description into a single valid LaTeX equation.
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CRITICAL RULES:
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- Output ONLY the raw LaTeX code — no preamble, no explanation, no markdown fence, no \\[ or \\( delimiters.
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- Use standard amsmath/amssymb syntax.
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- Never output \\documentclass, \\begin{document}, or $$ delimiters.
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Examples:
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- "the quadratic formula" -> x = \\frac{-b \\pm \\sqrt{b^2 - 4ac}}{2a}
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- "Pythagorean theorem" -> a^2 + b^2 = c^2
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- "Euler's identity" -> e^{i\\pi} + 1 = 0
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- "la dérivée de x au carré" -> \\frac{d}{dx} x^2 = 2x`
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const userPrompt = `Convert this to LaTeX:\n\n${description}`
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const config = await getSystemConfig()
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const provider = getChatProvider(config)
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const fullPrompt = `${systemPrompt}\n\n${userPrompt}`
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const raw = await provider.generateText(fullPrompt)
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return this.extractLatex(raw)
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}
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private extractLatex(response: string): string {
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const codeBlock = response.match(/```(?:latex|tex|math)?\n([\s\S]+?)\n```/)
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if (codeBlock) return codeBlock[1].trim()
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return response
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.replace(/^\\\[|\\\]$/g, '')
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.replace(/^\\\(|\\\)$/g, '')
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.replace(/^\$\$|\$\$$/g, '')
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.trim()
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}
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}
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export const mathFromTextService = new MathFromTextService()
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