check-html-links-netlify-plugin/index.js

import path from 'path';
import chalk from 'chalk';
import { validateFiles } from 'check-html-links/validateFolder.js';
import { formatErrors } from 'check-html-links/formatErrors.js';
import { listFiles } from 'check-html-links/listFiles.js';

module.exports = {
    onPostBuild: ({inputs}) => {
      console.log('Hello world from onPreBuild event!')
      console.log(inputs.docfolder)

      async function main(userRootDir) {
        const rootDir = userRootDir ? path.resolve(userRootDir) : process.cwd();

        console.log(rootDir);

        const performanceStart = process.hrtime();
      
        console.log('👀 Checking if all internal links work...');
        const files = await listFiles('**/*.html', rootDir);
      
        const filesOutput =
          files.length == 0
            ? '🧐 No files to check. Did you select the correct folder?'
            : `🔥 Found a total of ${chalk.green.bold(files.length)} files to check!`;
        console.log(filesOutput);
      
        const { errors, numberLinks } = await validateFiles(files, rootDir);
      
        console.log(`🔗 Found a total of ${chalk.green.bold(numberLinks)} links to validate!\n`);
      
        const performance = process.hrtime(performanceStart);
        if (errors.length > 0) {
          let referenceCount = 0;
          for (const error of errors) {
            referenceCount += error.usage.length;
          }
          const output = [
            `❌ Found ${chalk.red.bold(
              errors.length.toString(),
            )} missing reference targets (used by ${referenceCount} links) while checking ${
              files.length
            } files:`,
            ...formatErrors(errors)
              .split('\n')
              .map(line => `  ${line}`),
            `Checking links duration: ${performance[0]}s ${performance[1] / 1000000}ms`,
          ];
          console.error(output.join('\n'));
          process.exit(1);
        } else {
          console.log(
            `✅ All internal links are valid. (executed in %ds %dms)`,
            performance[0],
            performance[1] / 1000000,
          );
        }
      }
      
      main(inputs.docfolder);
    },
}