injectToBody() — vite Function Reference

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

Function typescript PluginSystem AssetManagement calls 3 called by 1

Entity Profile

PluginSystem→ AssetManagement→ injectToBody() — vite Function Reference

Dependency Diagram

graph TD
  24734732_0f40_e935_b5d1_ae08e9d1dca3["injectToBody()"]
  f8fe0737_718a_5509_b722_473f207d5906["html.ts"]
  24734732_0f40_e935_b5d1_ae08e9d1dca3 -->|defined in| f8fe0737_718a_5509_b722_473f207d5906
  979ed295_1d80_37c1_156b_2bbf25fc21e4["applyHtmlTransforms()"]
  979ed295_1d80_37c1_156b_2bbf25fc21e4 -->|calls| 24734732_0f40_e935_b5d1_ae08e9d1dca3
  bb1d8b71_73c3_31ff_7d80_88303fc49280["serializeTags()"]
  24734732_0f40_e935_b5d1_ae08e9d1dca3 -->|calls| bb1d8b71_73c3_31ff_7d80_88303fc49280
  be79b558_1081_1230_d1d0_4753d396fd49["incrementIndent()"]
  24734732_0f40_e935_b5d1_ae08e9d1dca3 -->|calls| be79b558_1081_1230_d1d0_4753d396fd49
  3df96a2a_db85_aa8f_52e1_204c48938b88["prependInjectFallback()"]
  24734732_0f40_e935_b5d1_ae08e9d1dca3 -->|calls| 3df96a2a_db85_aa8f_52e1_204c48938b88
  style 24734732_0f40_e935_b5d1_ae08e9d1dca3 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/vite/src/node/plugins/html.ts lines 1489–1526

function injectToBody(
  html: string,
  tags: HtmlTagDescriptor[],
  prepend = false,
) {
  if (tags.length === 0) return html

  if (prepend) {
    // inject after body open
    if (bodyPrependInjectRE.test(html)) {
      return html.replace(
        bodyPrependInjectRE,
        (match, p1) => `${match}\n${serializeTags(tags, incrementIndent(p1))}`,
      )
    }
    // if no there is no body tag, inject after head or fallback to prepend in html
    if (headInjectRE.test(html)) {
      return html.replace(
        headInjectRE,
        (match, p1) => `${match}\n${serializeTags(tags, p1)}`,
      )
    }
    return prependInjectFallback(html, tags)
  } else {
    // inject before body close
    if (bodyInjectRE.test(html)) {
      return html.replace(
        bodyInjectRE,
        (match, p1) => `${serializeTags(tags, incrementIndent(p1))}${match}`,
      )
    }
    // if no body tag is present, append to the html tag, or at the end of the file
    if (htmlInjectRE.test(html)) {
      return html.replace(htmlInjectRE, `${serializeTags(tags)}\n$&`)
    }
    return html + `\n` + serializeTags(tags)
  }
}