optimizeAliasReplacementForSSR() — vite Function Reference

Architecture documentation for the optimizeAliasReplacementForSSR() function in preAlias.ts from the vite codebase.

Function typescript PluginSystem LegacySupport called by 1

Entity Profile

PluginSystem→ LegacySupport→ optimizeAliasReplacementForSSR() — vite Function Reference

Dependency Diagram

graph TD
  0eb5ad90_ecd1_8056_eed4_0fc65836b26c["optimizeAliasReplacementForSSR()"]
  1ad4458e_b744_979c_c30e_c1021fdd26b7["preAlias.ts"]
  0eb5ad90_ecd1_8056_eed4_0fc65836b26c -->|defined in| 1ad4458e_b744_979c_c30e_c1021fdd26b7
  200356af_4305_31b8_b090_47f38784e182["preAliasPlugin()"]
  200356af_4305_31b8_b090_47f38784e182 -->|calls| 0eb5ad90_ecd1_8056_eed4_0fc65836b26c
  style 0eb5ad90_ecd1_8056_eed4_0fc65836b26c fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/vite/src/node/plugins/preAlias.ts lines 87–101

function optimizeAliasReplacementForSSR(
  id: string,
  optimizeDeps: DepOptimizationOptions,
) {
  if (optimizeDeps.include?.includes(id)) {
    return true
  }
  // In the regular resolution, the default for non-external modules is to
  // be optimized if they are CJS. Here, we don't have the package id but
  // only the replacement file path. We could find the package.json from
  // the id and respect the same default in the future.
  // Default to not optimize an aliased replacement for now, forcing the
  // user to explicitly add it to the ssr.optimizeDeps.include list.
  return false
}