getSource() — vite Function Reference

Architecture documentation for the getSource() function in css.ts from the vite codebase.

Function typescript PluginSystem LegacySupport called by 3

Entity Profile

PluginSystem→ LegacySupport→ getSource() — vite Function Reference

Dependency Diagram

graph TD
  b3a25877_fb4e_e12d_263d_f69173aee25a["getSource()"]
  c3eb47df_971b_0616_6c9f_29b3ded72224["css.ts"]
  b3a25877_fb4e_e12d_263d_f69173aee25a -->|defined in| c3eb47df_971b_0616_6c9f_29b3ded72224
  0a163673_dac2_220c_2b8a_a489f9a38632["scssProcessor()"]
  0a163673_dac2_220c_2b8a_a489f9a38632 -->|calls| b3a25877_fb4e_e12d_263d_f69173aee25a
  b115d8d2_4bdd_4a69_c76d_1789ff11d443["lessProcessor()"]
  b115d8d2_4bdd_4a69_c76d_1789ff11d443 -->|calls| b3a25877_fb4e_e12d_263d_f69173aee25a
  158d0e42_28ce_8bd3_13df_1f08b6dbf23f["stylProcessor()"]
  158d0e42_28ce_8bd3_13df_1f08b6dbf23f -->|calls| b3a25877_fb4e_e12d_263d_f69173aee25a
  style b3a25877_fb4e_e12d_263d_f69173aee25a fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/vite/src/node/plugins/css.ts lines 3096–3129

async function getSource(
  source: string,
  filename: string,
  additionalData: PreprocessorAdditionalData | undefined,
  enableSourcemap: boolean,
  sep: string = '',
): Promise<{ content: string; map?: ExistingRawSourceMap }> {
  if (!additionalData) return { content: source }

  if (typeof additionalData === 'function') {
    const newContent = await additionalData(source, filename)
    if (typeof newContent === 'string') {
      return { content: newContent }
    }
    return newContent
  }

  if (!enableSourcemap) {
    return { content: additionalData + sep + source }
  }

  const ms = new MagicString(source)
  ms.appendLeft(0, sep)
  ms.appendLeft(0, additionalData)

  const map = ms.generateMap({ hires: 'boundary' })
  map.file = filename
  map.sources = [filename]

  return {
    content: ms.toString(),
    map,
  }
}