Tree Processor Extension Example

Purpose: Make the document GDPR compliant by replacing the first block (paragraph) with the sentence "GDPR compliant :)"

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GDPRTreeProcessor

gdpr-tree-processor.js

export default function (registry) {
  registry.treeProcessor(function () {
    const self = this
    self.process(function (doc) {
      doc.getBlocks()[0] = self.createBlock(doc, 'paragraph', 'GDPR compliant :)')
      return doc
    })
  })
}

Usage

import { Extensions, convertFile } from '@asciidoctor/core'
import registerGdprTreeProcessor from './gdpr-tree-processor.js'

const registry = Extensions.create()
registerGdprTreeProcessor(registry)

const doc = await convertFile('sample-gdpr-doc.adoc', { extension_registry: registry })
console.log(doc.getBlocks()[0].getSource()) // 'GDPR compliant :)'