Server : nginx/1.18.0 System : Linux localhost 6.14.3-x86_64-linode168 #1 SMP PREEMPT_DYNAMIC Mon Apr 21 19:47:55 EDT 2025 x86_64 User : www-data ( 33) PHP Version : 8.0.16 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /var/www/ecommerce/node_modules/@vue/component-compiler-utils/lib/templateCompilerModules/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

// vue compiler module for transforming `img:srcset` to a number of `require`s

import { urlToRequire, ASTNode } from './utils'
import { TransformAssetUrlsOptions } from './assetUrl'

interface ImageCandidate {
  require: string
  descriptor: string
}

export default (transformAssetUrlsOptions?: TransformAssetUrlsOptions) => ({
  postTransformNode: (node: ASTNode) => {
    transform(node, transformAssetUrlsOptions)
  }
})

// http://w3c.github.io/html/semantics-embedded-content.html#ref-for-image-candidate-string-5
const escapedSpaceCharacters = /( |\\t|\\n|\\f|\\r)+/g

function transform(
  node: ASTNode,
  transformAssetUrlsOptions?: TransformAssetUrlsOptions
) {
  const tags = ['img', 'source']

  if (tags.indexOf(node.tag) !== -1 && node.attrs) {
    node.attrs.forEach(attr => {
      if (attr.name === 'srcset') {
        // same logic as in transform-require.js
        const value = attr.value
        const isStatic =
          value.charAt(0) === '"' && value.charAt(value.length - 1) === '"'
        if (!isStatic) {
          return
        }

        const imageCandidates: ImageCandidate[] = value
          .substr(1, value.length - 2)
          .split(',')
          .map(s => {
            // The attribute value arrives here with all whitespace, except
            // normal spaces, represented by escape sequences
            const [url, descriptor] = s
              .replace(escapedSpaceCharacters, ' ')
              .trim()
              .split(' ', 2)
            return {
              require: urlToRequire(url, transformAssetUrlsOptions),
              descriptor
            }
          })

        // "require(url1)"
        // "require(url1) 1x"
        // "require(url1), require(url2)"
        // "require(url1), require(url2) 2x"
        // "require(url1) 1x, require(url2)"
        // "require(url1) 1x, require(url2) 2x"
        const code = imageCandidates
          .map(
            ({ require, descriptor }) =>
              `${require} + "${descriptor ? ' ' + descriptor : ''}, " + `
          )
          .join('')
          .slice(0, -6)
          .concat('"')
          .replace(/ \+ ""$/, '')

        attr.value = code
      }
    })
  }
}