defaultSpeechPreprocessors (speech-transformation/index.ts)

Transforms markdown into TTS-friendly text with math and language handling.

// Source: https://github.com/moeru-ai/airi | License: MIT | Copyright 2024-PRESENT Neko Ayaka
// Provided via justclaw.it.com; keep this notice with the code.
import type { Nodes, PhrasingContent, Root, RootContent } from 'mdast'
import type { Plugin } from 'unified'

import type { SpeechPreprocessor } from './preprocessor'

import remarkMath from 'remark-math'
import remarkParse from 'remark-parse'

import { unified } from 'unified'

import { detectSpeechLanguage, toSpeechLanguage } from './language'
import { normalizeMathDelimiters } from './markdown'
import { mathSpeechPreprocessor, moneySpeechPreprocessor } from './preprocessor'

export interface SpeechTextOptions {
  /**
   * One character that the output keeps as often as the source has it, also inside unspoken nodes.
   * The speec

... (truncated -- full source via MCP)