mdast#Parent TypeScript Examples

The following examples show how to use mdast#Parent. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: remark.ts    From vite-plugin-md-preview with MIT License 5 votes vote down vote up 
export function remarkVue(options: RemarkVueOptions): Plugin {
  const { file, root, highlighter, remove, update } = options

  const resolve = (...args: string[]) => {
    let ret = path.resolve(path.dirname(file), ...args)
    ret = path.relative(root, ret)
    return `/${ret}`
  }
  function transformer(tree): Transformer {
    const oldBlocks = fileCodeMap.get(file) || []
    const blocks: CodeBlock[] = []
    visit(tree, 'code', (node: Code, i: number, parent: Parent) => {
      const attrs = (node.meta || '').split(' ').reduce((prev, curr) => {
        const [key, value] = curr.split('=')
        if (typeof value === 'undefined') {
          prev[key] = true
        } else {
          prev[key] = value
        }
        return prev
      }, {} as Record<string, string | boolean>)

      if (node.lang === 'vue' && attrs['preview']) {
        const name = `VueCode${md5(file).substr(0, 8)}I${i}`
        const component = typeof attrs['preview'] === 'string' ? attrs['preview'] : 'VueCode'
        const code = highlighter(node.value)
        blocks.push({ name, path: resolve(`./${name}.vue`), code: node.value })
        const demoNode: HTML = {
          type: 'html',
          value: `<${component} source="${encodeURIComponent(code)}">
  <${name} />
</${component}>`,
        }
        parent.children.splice(i, 1, demoNode)
      }
    })
    const names = blocks.map(i => i.name)
    remove(oldBlocks)
    fileCodeMap.set(file, names)
    update(blocks)

    const imports = names.reduce((prev, curr) => {
      return `${prev}import ${curr} from "${resolve(`./${curr}.vue`)}"\n`
    }, '')
    const script = `<script setup>\n${imports}</script>`
    tree.children.splice(0, 0, { type: 'html', value: script })
    return tree
  }

  return transformer
}