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doTransform() — vite Function Reference

Architecture documentation for the doTransform() function in transformRequest.ts from the vite codebase.

Function typescript ViteCore ConfigEngine calls 7 called by 1

Entity Profile

Dependency Diagram

graph TD
  9bd7b32c_5b79_ac16_8541_4f64cc8ce19b["doTransform()"]
  ee4fcff9_3096_e290_234c_be9d1a2c8a4b["transformRequest.ts"]
  9bd7b32c_5b79_ac16_8541_4f64cc8ce19b -->|defined in| ee4fcff9_3096_e290_234c_be9d1a2c8a4b
  28d78764_00ba_3861_52d6_dc86fcde9e3a["transformRequest()"]
  28d78764_00ba_3861_52d6_dc86fcde9e3a -->|calls| 9bd7b32c_5b79_ac16_8541_4f64cc8ce19b
  47338255_0359_1ee9_69c4_4c16cb66262e["getModuleByUrl()"]
  9bd7b32c_5b79_ac16_8541_4f64cc8ce19b -->|calls| 47338255_0359_1ee9_69c4_4c16cb66262e
  9db68c96_e128_6a48_485b_4af92aeb9dce["getCachedTransformResult()"]
  9bd7b32c_5b79_ac16_8541_4f64cc8ce19b -->|calls| 9db68c96_e128_6a48_485b_4af92aeb9dce
  1c3423db_563a_92c5_87fa_42d035132b6c["getModuleById()"]
  9bd7b32c_5b79_ac16_8541_4f64cc8ce19b -->|calls| 1c3423db_563a_92c5_87fa_42d035132b6c
  1df76a35_b65f_4f0a_d9fb_00d2905ad5a6["_ensureEntryFromUrl()"]
  9bd7b32c_5b79_ac16_8541_4f64cc8ce19b -->|calls| 1df76a35_b65f_4f0a_d9fb_00d2905ad5a6
  bdac5327_5085_933f_41df_0fc270134a38["loadAndTransform()"]
  9bd7b32c_5b79_ac16_8541_4f64cc8ce19b -->|calls| bdac5327_5085_933f_41df_0fc270134a38
  be640272_c343_f5ae_1cf1_91d595faa5f8["_registerRequestProcessing()"]
  9bd7b32c_5b79_ac16_8541_4f64cc8ce19b -->|calls| be640272_c343_f5ae_1cf1_91d595faa5f8
  acb05845_9984_6792_9aae_b58486b613b5["resolveId()"]
  9bd7b32c_5b79_ac16_8541_4f64cc8ce19b -->|calls| acb05845_9984_6792_9aae_b58486b613b5
  style 9bd7b32c_5b79_ac16_8541_4f64cc8ce19b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/vite/src/node/server/transformRequest.ts lines 149–206

async function doTransform(
  environment: DevEnvironment,
  url: string,
  options: TransformOptionsInternal,
  timestamp: number,
) {
  const { pluginContainer } = environment

  let module = await environment.moduleGraph.getModuleByUrl(url)
  if (module) {
    // try use cache from url
    const cached = await getCachedTransformResult(
      environment,
      url,
      module,
      timestamp,
    )
    if (cached) return cached
  }

  const resolved = module
    ? undefined
    : ((await pluginContainer.resolveId(url, undefined)) ?? undefined)

  // resolve
  const id = module?.id ?? resolved?.id ?? url

  module ??= environment.moduleGraph.getModuleById(id)
  if (module) {
    // if a different url maps to an existing loaded id,  make sure we relate this url to the id
    await environment.moduleGraph._ensureEntryFromUrl(url, undefined, resolved)
    // try use cache from id
    const cached = await getCachedTransformResult(
      environment,
      url,
      module,
      timestamp,
    )
    if (cached) return cached
  }

  const result = loadAndTransform(
    environment,
    id,
    url,
    options,
    timestamp,
    module,
    resolved,
  )

  const { depsOptimizer } = environment
  if (!depsOptimizer?.isOptimizedDepFile(id)) {
    environment._registerRequestProcessing(id, () => result)
  }

  return result
}

Domain

Subdomains

Defined In

Calls

Called By

Source

Frequently Asked Questions

What does doTransform() do?
doTransform() is a function in the vite codebase, defined in packages/vite/src/node/server/transformRequest.ts.
Where is doTransform() defined?
doTransform() is defined in packages/vite/src/node/server/transformRequest.ts at line 149.
What does doTransform() call?
doTransform() calls 7 function(s): _ensureEntryFromUrl, _registerRequestProcessing, getCachedTransformResult, getModuleById, getModuleByUrl, loadAndTransform, resolveId.
What calls doTransform()?
doTransform() is called by 1 function(s): transformRequest.

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