feat: override rollup (#254)

* chore: remove special handling for vite-3

* feat: override rollup of test projects to use the exact same version as local workspace vite

types.d.ts

@@ -54,3 +54,19 @@ export interface Overrides {
 export interface ProcessEnv {
  [key: string]: string | undefined
 }
+
+interface DependencyInfo {
+ from: string
+ version: string
+ resolved: string
+ path: string
+}
+interface PackageInfo {
+ name: string
+ version: string
+ path: string
+ private: boolean
+ dependencies: Record<string, DependencyInfo>
+ devDependencies: Record<string, DependencyInfo>
+ optionalDependencies: Record<string, DependencyInfo>
+}

utils.ts

@@ -3,6 +3,7 @@ import fs from 'fs'
 import { fileURLToPath, pathToFileURL } from 'url'
 import { execaCommand } from 'execa'
 import {
+ PackageInfo,
  EnvironmentData,
  Overrides,
  ProcessEnv,
@@ -271,6 +272,11 @@ export async function runInRepo(options: RunOptions & RepoOptions) {
  `@vitejs/plugin-legacy`
  ] ||= `${options.vitePath}/packages/plugin-legacy`
 
+ const vitePackageInfo = await getVitePackageInfo(options.vitePath)
+ if (vitePackageInfo.dependencies.rollup?.version && !overrides.rollup) {
+ overrides.rollup = vitePackageInfo.dependencies.rollup.version
+ }
+
  // build and apply local overrides
  const localOverrides = await buildOverrides(pkg, options, overrides)
  cd(dir) // buildOverrides changed dir, change it back
@@ -592,3 +598,18 @@ async function buildOverrides(
  }
  return overrides
 }
+
+/**
+ * use pnpm ls to get information about installed dependency versions of vite
+ * @param vitePath - workspace vite root
+ */
+async function getVitePackageInfo(vitePath: string): Promise<PackageInfo> {
+ try {
+ const lsOutput = await $`pnpm --dir ${vitePath}/packages/vite ls --json`
+ const lsParsed = JSON.parse(lsOutput)
+ return lsParsed[0] as PackageInfo
+ } catch (e) {
+ console.error('failed to retrieve vite package infos', e)
+ throw e
+ }
+}