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node_modules/zrender/build/processLib.js 1.8 KB
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  // Porcess generated lib files.
  // Like adding js extension in the import statement.
  
  const { transformImport } = require('./transformImport');
  const globby = require('globby');
  const path = require('path');
  const fs = require('fs');
  const chalk = require('chalk');
  const rollup = require('rollup');
  const nodeResolve = require('@rollup/plugin-node-resolve').default;
  
  function addJsExtension(moduleName) {
      // Ignore 'tslib'
      if (!(moduleName.startsWith('.'))) {
          return moduleName;
      }
      if (moduleName.endsWith('.ts')) {
          // Replace ts with js
          return moduleName.replace(/\.ts$/, '.js');
      }
      else if (moduleName.endsWith('.js')) {
          return moduleName;
      }
      else {
          return moduleName + '.js'
      }
  }
  
  async function transform() {
      const libFiles = await globby([
          '**/*.js'
      ], {
          cwd: path.join(__dirname, '../lib'),
          absolute: true
      });
  
      if (libFiles.length === 0) {
          throw new Error('No lib files found.')
      }
  
      for (let file of libFiles) {
          const code = fs.readFileSync(file, 'utf-8');
          fs.writeFileSync(file, transformImport(code, addJsExtension), 'utf-8');
      }
  
      // Transform index;
      const indexFile = path.join(__dirname, '../index.js');
      fs.writeFileSync(
          indexFile,
          transformImport(
              fs.readFileSync(indexFile, 'utf-8'),
              (mduleName) => addJsExtension(mduleName).replace('./src', './lib')
          )
      )
  }
  
  transform().then(() => {
      console.log(chalk.green('Added .js extensions.'));
      console.log(chalk.gray('Start testing generated libs...'));
  }).then(() => {
      return rollup.rollup({
          input: path.resolve(__dirname, '../index.js'),
          plugins: [nodeResolve()]
      });
  }).then(() => {
      console.log(chalk.green('Libs can be bundled!'));
  });