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baoyu-skills/skills/baoyu-post-to-wechat/scripts/md/extensions/ruby.ts
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2026-01-15 14:18:56 -06:00

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import type { MarkedExtension } from 'marked'
/**
* 注音/拼音标注扩展
* https://talk.commonmark.org/t/proper-ruby-text-rb-syntax-support-in-markdown/2279
* https://www.w3.org/TR/ruby/
*
* 支持的格式:
* 1. [文字]{注音}
* 2. [文字]^(注音)
*
* 分隔符:
* - `・` (中点)
* - `` (全角句点)
* - `。` (中文句号)
* - `-` (英文减号)
*/
export function markedRuby(): MarkedExtension {
return {
extensions: [
{
name: `ruby`,
level: `inline`,
start(src: string) {
// 匹配以 [ 开头的格式
return src.match(/\[/)?.index
},
tokenizer(src: string) {
// 1. [文字]{注音}
const rule1 = /^\[([^\]]+)\]\{([^}]+)\}/
let match = rule1.exec(src)
if (match) {
return {
type: `ruby`,
raw: match[0],
text: match[1].trim(),
ruby: match[2].trim(),
format: `basic`,
}
}
// 2. [文字]^(注音)
const rule2 = /^\[([^\]]+)\]\^\(([^)]+)\)/
match = rule2.exec(src)
if (match) {
return {
type: `ruby`,
raw: match[0],
text: match[1].trim(),
ruby: match[2].trim(),
format: `basic-hat`,
}
}
return undefined
},
renderer(token: any) {
const { text, ruby, format } = token
// 检查是否有分隔符
const separatorRegex = /[・.。-]/g
const hasSeparators = separatorRegex.test(ruby)
if (hasSeparators) {
// 分割注音部分
const rubyParts = ruby.split(separatorRegex).filter((part: string) => part.trim() !== ``)
const textChars = text.split(``)
const result = []
if (textChars.length >= rubyParts.length) {
// 文字字符数量 >= 注音部分数量
// 按注音部分数量分割文字
let currentIndex = 0
for (let i = 0; i < rubyParts.length; i++) {
const rubyPart = rubyParts[i]
const remainingChars = textChars.length - currentIndex
const remainingParts = rubyParts.length - i
// 计算当前部分应该包含多少个字符,默认为 1
let charCount = 1
if (remainingParts === 1) {
// 最后一个部分,包含所有剩余字符
charCount = remainingChars
}
// 提取当前部分的文字
const currentText = textChars.slice(currentIndex, currentIndex + charCount).join(``)
result.push(`<ruby data-text="${currentText}" data-ruby="${rubyPart}" data-format="${format}">${currentText}<rp>(</rp><rt>${rubyPart}</rt><rp>)</rp></ruby>`)
currentIndex += charCount
}
// 处理剩余的字符
if (currentIndex < textChars.length) {
result.push(textChars.slice(currentIndex).join(``))
}
}
else {
// 文字字符数量 < 注音部分数量
// 每个字符对应一个注音部分,多余的注音被忽略
for (let i = 0; i < textChars.length; i++) {
const char = textChars[i]
const rubyPart = rubyParts[i] || ``
if (rubyPart) {
result.push(`<ruby data-text="${char}" data-ruby="${rubyPart}" data-format="${format}">${char}<rp>(</rp><rt>${rubyPart}</rt><rp>)</rp></ruby>`)
}
else {
result.push(char)
}
}
}
return result.join(``)
}
return `<ruby data-text="${text}" data-ruby="${ruby}" data-format="${format}">${text}<rp>(</rp><rt>${ruby}</rt><rp>)</rp></ruby>`
},
},
],
}
}