bundleSizeLimit() — vite Function Reference

Architecture documentation for the bundleSizeLimit() function in rolldown.config.ts from the vite codebase.

Function typescript HMRClient HotRuntime

Entity Profile

HMRClient→ HotRuntime→ bundleSizeLimit() — vite Function Reference

Dependency Diagram

graph TD
  ac45d646_ee88_eec2_4654_d0c07b193f4f["bundleSizeLimit()"]
  095867e3_0044_bba5_61f7_c60c3c9e56ce["rolldown.config.ts"]
  ac45d646_ee88_eec2_4654_d0c07b193f4f -->|defined in| 095867e3_0044_bba5_61f7_c60c3c9e56ce
  style ac45d646_ee88_eec2_4654_d0c07b193f4f fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/vite/rolldown.config.ts lines 377–405

function bundleSizeLimit(limit: number): Plugin {
  let size = 0

  return {
    name: 'bundle-limit',
    generateBundle(_, bundle) {
      if (this.meta.watchMode) return

      size = Buffer.byteLength(
        Object.values(bundle)
          .map((i) => ('code' in i ? i.code : ''))
          .join(''),
        'utf-8',
      )
    },
    closeBundle() {
      if (this.meta.watchMode) return

      const kb = size / 1000
      if (kb > limit) {
        this.error(
          `Bundle size exceeded ${limit} kB, current size is ${kb.toFixed(
            2,
          )}kb.`,
        )
      }
    },
  }
}