48 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			48 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
const visit = require('unist-util-visit');
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const YAML = require('js-yaml');
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const unified = require('unified');
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const markdown = require('remark-parse');
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const remark2rehype = require('remark-rehype');
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const html = require('rehype-stringify');
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const raw = require('rehype-raw');
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const processor = unified()
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  .use(markdown)
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  .use(remark2rehype, { allowDangerousHTML: true })
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  .use(raw)
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  .use(html);
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function mdToHTML(str) {
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  return processor.processSync(str).toString();
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}
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function plugin() {
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  return transformer;
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  function transformer(tree, file) {
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    visit(tree, 'code', visitor);
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    function visitor(node) {
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      const { lang, value } = node;
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      if (lang === 'yml') {
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        const tests = YAML.load(value);
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        if (tests.question) {
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          // mdToHTML can not parse numbers. If an answer is a number
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          // (i.e. 5, not '5') it has to be converted.
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          tests.question.answers = tests.question.answers.map(answer =>
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            mdToHTML(answer.toString())
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          );
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          tests.question.text = mdToHTML(tests.question.text);
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        }
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        file.data = {
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          ...file.data,
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          ...tests
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        };
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      }
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    }
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  }
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}
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module.exports = plugin;
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module.exports.mdToHTML = mdToHTML;
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