prependInjectFallback() — vite Function Reference

Architecture documentation for the prependInjectFallback() function in html.ts from the vite codebase.

Function typescript PluginSystem LegacySupport calls 1 called by 2

Entity Profile

PluginSystem→ LegacySupport→ prependInjectFallback() — vite Function Reference

Dependency Diagram

graph TD
  3df96a2a_db85_aa8f_52e1_204c48938b88["prependInjectFallback()"]
  f8fe0737_718a_5509_b722_473f207d5906["html.ts"]
  3df96a2a_db85_aa8f_52e1_204c48938b88 -->|defined in| f8fe0737_718a_5509_b722_473f207d5906
  fb5a3d66_7c54_2dc1_57bd_7bba8ad8fdbf["injectToHead()"]
  fb5a3d66_7c54_2dc1_57bd_7bba8ad8fdbf -->|calls| 3df96a2a_db85_aa8f_52e1_204c48938b88
  24734732_0f40_e935_b5d1_ae08e9d1dca3["injectToBody()"]
  24734732_0f40_e935_b5d1_ae08e9d1dca3 -->|calls| 3df96a2a_db85_aa8f_52e1_204c48938b88
  bb1d8b71_73c3_31ff_7d80_88303fc49280["serializeTags()"]
  3df96a2a_db85_aa8f_52e1_204c48938b88 -->|calls| bb1d8b71_73c3_31ff_7d80_88303fc49280
  style 3df96a2a_db85_aa8f_52e1_204c48938b88 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/vite/src/node/plugins/html.ts lines 1528–1537

function prependInjectFallback(html: string, tags: HtmlTagDescriptor[]) {
  // prepend to the html tag, append after doctype, or the document start
  if (htmlPrependInjectRE.test(html)) {
    return html.replace(htmlPrependInjectRE, `$&\n${serializeTags(tags)}`)
  }
  if (doctypePrependInjectRE.test(html)) {
    return html.replace(doctypePrependInjectRE, `$&\n${serializeTags(tags)}`)
  }
  return serializeTags(tags) + html
}