getCachedTransformResult() — vite Function Reference

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

Function typescript ViteCore ConfigEngine calls 2 called by 1

Entity Profile

ViteCore→ ConfigEngine→ getCachedTransformResult() — vite Function Reference

Dependency Diagram

graph TD
  9db68c96_e128_6a48_485b_4af92aeb9dce["getCachedTransformResult()"]
  ee4fcff9_3096_e290_234c_be9d1a2c8a4b["transformRequest.ts"]
  9db68c96_e128_6a48_485b_4af92aeb9dce -->|defined in| ee4fcff9_3096_e290_234c_be9d1a2c8a4b
  9bd7b32c_5b79_ac16_8541_4f64cc8ce19b["doTransform()"]
  9bd7b32c_5b79_ac16_8541_4f64cc8ce19b -->|calls| 9db68c96_e128_6a48_485b_4af92aeb9dce
  0850ad90_f980_60a3_ab1f_b17433109b74["prettifyUrl()"]
  9db68c96_e128_6a48_485b_4af92aeb9dce -->|calls| 0850ad90_f980_60a3_ab1f_b17433109b74
  478016d8_bc28_f869_6d7e_76982bf2825d["handleModuleSoftInvalidation()"]
  9db68c96_e128_6a48_485b_4af92aeb9dce -->|calls| 478016d8_bc28_f869_6d7e_76982bf2825d
  style 9db68c96_e128_6a48_485b_4af92aeb9dce fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/vite/src/node/server/transformRequest.ts lines 208–234

async function getCachedTransformResult(
  environment: DevEnvironment,
  url: string,
  module: EnvironmentModuleNode,
  timestamp: number,
) {
  const prettyUrl = debugCache ? prettifyUrl(url, environment.config.root) : ''

  // tries to handle soft invalidation of the module if available,
  // returns a boolean true is successful, or false if no handling is needed
  const softInvalidatedTransformResult = await handleModuleSoftInvalidation(
    environment,
    module,
    timestamp,
  )
  if (softInvalidatedTransformResult) {
    debugCache?.(`[memory-hmr] ${prettyUrl}`)
    return softInvalidatedTransformResult
  }

  // check if we have a fresh cache
  const cached = module.transformResult
  if (cached) {
    debugCache?.(`[memory] ${prettyUrl}`)
    return cached
  }
}