als-require/browser/get-contents.js

A utility for using CommonJS require in the browser and creating bundles.

async function getContents({contents, fullPath},Require,cyclicDependencies, logger, plugins=[]) {
   const getContent = async (path) => {
      if (contents[path] !== undefined) return // allready fetched
      if (!Require.contents[path]) {
         let content = await Require.fetch(path)
         const children = [], nodeModules = [];
         content = content.replace(/^(?!\/\/|\/\*.*\*\/).*require\(["'`](.*)["'`]\)/gm, (match, modulePath) => {
            if (!modulePath.startsWith('.')) {
               nodeModules.push({ match, modulePath })
               return match
            }
            const fullPath = getFullPath(modulePath, path)
            if(!cyclicDependencies) Require.isCyclyc(fullPath, path)
            children.push(fullPath);
            return match.replace(modulePath, fullPath)
         });
         content = await getNodeModules(nodeModules, children, content,Require, logger, cyclicDependencies)
         Require.contents[path] = { content, children }
      }
      const { content, children } = Require.contents[path]
      const obj = {content,children,path}
      plugins.forEach(plugin => { plugin(obj) });
      contents[path] = obj.content

      await Promise.all(children.map(childPath => getContent(childPath)))
   }
   await getContent(fullPath)
}

module.exports = getContents