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setupRollupOptionCompat() — vite Function Reference

Architecture documentation for the setupRollupOptionCompat() function in utils.ts from the vite codebase.

Function typescript ViteCore ConfigEngine calls 2 called by 4

Entity Profile

Dependency Diagram

graph TD
  f56ee71e_4165_1d46_cf2e_e9dc68848891["setupRollupOptionCompat()"]
  031bc221_67a8_c579_f2bf_bb30a08beeb2["utils.ts"]
  f56ee71e_4165_1d46_cf2e_e9dc68848891 -->|defined in| 031bc221_67a8_c579_f2bf_bb30a08beeb2
  5a2ddafa_69c5_82bb_4c9e_32634cfa6eed["resolveBuildEnvironmentOptions()"]
  5a2ddafa_69c5_82bb_4c9e_32634cfa6eed -->|calls| f56ee71e_4165_1d46_cf2e_e9dc68848891
  9d98f746_61f2_7414_b955_969eb9cb18d5["resolveDepOptimizationOptions()"]
  9d98f746_61f2_7414_b955_969eb9cb18d5 -->|calls| f56ee71e_4165_1d46_cf2e_e9dc68848891
  58c4a210_68fe_1b4d_ed49_d59203f97ef1["resolveConfig()"]
  58c4a210_68fe_1b4d_ed49_d59203f97ef1 -->|calls| f56ee71e_4165_1d46_cf2e_e9dc68848891
  abeb4de2_5f7e_d2cb_33fc_4ad60bd944ca["mergeConfigRecursively()"]
  abeb4de2_5f7e_d2cb_33fc_4ad60bd944ca -->|calls| f56ee71e_4165_1d46_cf2e_e9dc68848891
  bb7c80f0_9550_8484_5def_1d65cf838e3c["rollupOptionsDeprecationCall()"]
  f56ee71e_4165_1d46_cf2e_e9dc68848891 -->|calls| bb7c80f0_9550_8484_5def_1d65cf838e3c
  51afdf58_3045_64b1_cf5b_929b1091e877["get()"]
  f56ee71e_4165_1d46_cf2e_e9dc68848891 -->|calls| 51afdf58_3045_64b1_cf5b_929b1091e877
  style f56ee71e_4165_1d46_cf2e_e9dc68848891 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/vite/src/node/utils.ts lines 1250–1283

export function setupRollupOptionCompat<
  T extends Pick<BuildEnvironmentOptions, 'rollupOptions' | 'rolldownOptions'>,
>(
  buildConfig: T,
  path: string,
): asserts buildConfig is T & {
  rolldownOptions: Exclude<T['rolldownOptions'], undefined>
} {
  // if both rollupOptions and rolldownOptions are present,
  // ignore rollupOptions and use rolldownOptions
  buildConfig.rolldownOptions ??= buildConfig.rollupOptions
  if (
    runtimeDeprecatedPath.has(path) &&
    buildConfig.rollupOptions &&
    buildConfig.rolldownOptions !== buildConfig.rollupOptions
  ) {
    rollupOptionsDeprecationCall()
  }

  // proxy rolldownOptions to rollupOptions
  Object.defineProperty(buildConfig, 'rollupOptions', {
    get() {
      return buildConfig.rolldownOptions
    },
    set(newValue) {
      if (runtimeDeprecatedPath.has(path)) {
        rollupOptionsDeprecationCall()
      }
      buildConfig.rolldownOptions = newValue
    },
    configurable: true,
    enumerable: true,
  })
}

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Frequently Asked Questions

What does setupRollupOptionCompat() do?
setupRollupOptionCompat() is a function in the vite codebase, defined in packages/vite/src/node/utils.ts.
Where is setupRollupOptionCompat() defined?
setupRollupOptionCompat() is defined in packages/vite/src/node/utils.ts at line 1250.
What does setupRollupOptionCompat() call?
setupRollupOptionCompat() calls 2 function(s): get, rollupOptionsDeprecationCall.
What calls setupRollupOptionCompat()?
setupRollupOptionCompat() is called by 4 function(s): mergeConfigRecursively, resolveBuildEnvironmentOptions, resolveConfig, resolveDepOptimizationOptions.

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