cachedModule() — vite Function Reference

Architecture documentation for the cachedModule() function in runner.ts from the vite codebase.

Function typescript ModuleRunner SSRRuntime calls 2 called by 2

Entity Profile

ModuleRunner→ SSRRuntime→ cachedModule() — vite Function Reference

Dependency Diagram

graph TD
  1ca5cbd8_3591_8042_7bb5_fed80a4ac932["cachedModule()"]
  1d3ff778_7ac6_0038_640f_997e968c3c8f["ModuleRunner"]
  1ca5cbd8_3591_8042_7bb5_fed80a4ac932 -->|defined in| 1d3ff778_7ac6_0038_640f_997e968c3c8f
  bb00524b_0245_2d21_5a59_2a82dd570676["import()"]
  bb00524b_0245_2d21_5a59_2a82dd570676 -->|calls| 1ca5cbd8_3591_8042_7bb5_fed80a4ac932
  2299eb48_afeb_b0e8_8b25_f24d005c00d4["directRequest()"]
  2299eb48_afeb_b0e8_8b25_f24d005c00d4 -->|calls| 1ca5cbd8_3591_8042_7bb5_fed80a4ac932
  6d9a8fd8_b579_289e_b43c_8d04619aff11["getModuleInformation()"]
  1ca5cbd8_3591_8042_7bb5_fed80a4ac932 -->|calls| 6d9a8fd8_b579_289e_b43c_8d04619aff11
  94683a8f_44e5_a8a7_40ff_e13ec7f883d8["getModuleByUrl()"]
  1ca5cbd8_3591_8042_7bb5_fed80a4ac932 -->|calls| 94683a8f_44e5_a8a7_40ff_e13ec7f883d8
  style 1ca5cbd8_3591_8042_7bb5_fed80a4ac932 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/vite/src/module-runner/runner.ts lines 224–242

  private async cachedModule(
    url: string,
    importer?: string,
  ): Promise<EvaluatedModuleNode> {
    let cached = this.concurrentModuleNodePromises.get(url)
    if (!cached) {
      const cachedModule = this.evaluatedModules.getModuleByUrl(url)
      cached = this.getModuleInformation(url, importer, cachedModule).finally(
        () => {
          this.concurrentModuleNodePromises.delete(url)
        },
      )
      this.concurrentModuleNodePromises.set(url, cached)
    } else {
      this.debug?.('[module runner] using cached module info for', url)
    }

    return cached
  }