From 5364d0444ccc5353c8152623b6590d6bbc8efb1e Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Thu, 21 Oct 2021 20:51:44 +0100
Subject: [PATCH] feat(nuxi): bundle analyzer (#701)

Co-authored-by: Pooya Parsa <pyapar@gmail.com>
---
 src/context.ts       |  5 +++--
 src/package.json     |  2 +-
 src/rollup/config.ts | 16 ++++++++++------
 3 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/src/context.ts b/src/context.ts
index 64d3d4adc9..edf432670f 100644
--- a/src/context.ts
+++ b/src/context.ts
@@ -4,6 +4,7 @@ import defu from 'defu'
 import { createHooks, Hookable, NestedHooks } from 'hookable'
 import type { Preset } from 'unenv'
 import type { NuxtHooks, NuxtOptions } from '@nuxt/kit'
+import type { PluginVisualizerOptions } from 'rollup-plugin-visualizer'
 import { tryImport, resolvePath, detectTarget, extendPreset } from './utils'
 import * as PRESETS from './presets'
 import type { NodeExternalsOptions } from './rollup/plugins/externals'
@@ -28,7 +29,7 @@ export interface NitroContext {
   minify: boolean
   sourceMap: boolean
   externals: boolean | NodeExternalsOptions
-  analyze: boolean
+  analyze: false | PluginVisualizerOptions
   entry: string
   node: boolean
   preset: string
@@ -94,7 +95,7 @@ export function getNitroContext (nuxtOptions: NuxtOptions, input: NitroInput): N
     minify: undefined,
     sourceMap: undefined,
     externals: undefined,
-    analyze: undefined,
+    analyze: nuxtOptions.build.analyze as any,
     entry: undefined,
     node: undefined,
     preset: undefined,
diff --git a/src/package.json b/src/package.json
index af3997a67a..f1e895ca9e 100644
--- a/src/package.json
+++ b/src/package.json
@@ -58,8 +58,8 @@
     "pathe": "^0.2.0",
     "pretty-bytes": "^5.6.0",
     "rollup": "^2.58.0",
-    "rollup-plugin-analyzer": "^4.0.0",
     "rollup-plugin-terser": "^7.0.2",
+    "rollup-plugin-visualizer": "^5.5.2",
     "serve-placeholder": "^1.2.4",
     "serve-static": "^1.14.1",
     "std-env": "^2.3.1",
diff --git a/src/rollup/config.ts b/src/rollup/config.ts
index 78a8c04cee..d01b83a5d8 100644
--- a/src/rollup/config.ts
+++ b/src/rollup/config.ts
@@ -12,7 +12,7 @@ import replace from '@rollup/plugin-replace'
 import virtual from '@rollup/plugin-virtual'
 import wasmPlugin from '@rollup/plugin-wasm'
 import inject from '@rollup/plugin-inject'
-import analyze from 'rollup-plugin-analyzer'
+import { visualizer } from 'rollup-plugin-visualizer'
 import * as unenv from 'unenv'
 
 import type { Preset } from 'unenv'
@@ -309,11 +309,6 @@ export const getRollupConfig = (nitroContext: NitroContext) => {
   // https://github.com/rollup/plugins/tree/master/packages/inject
   rollupConfig.plugins.push(inject(env.inject))
 
-  if (nitroContext.analyze) {
-    // https://github.com/doesdev/rollup-plugin-analyzer
-    rollupConfig.plugins.push(analyze())
-  }
-
   // https://github.com/TrySound/rollup-plugin-terser
   // https://github.com/terser/terser#minify-nitroContext
   if (nitroContext.minify) {
@@ -328,5 +323,14 @@ export const getRollupConfig = (nitroContext: NitroContext) => {
     }))
   }
 
+  if (nitroContext.analyze) {
+    // https://github.com/btd/rollup-plugin-visualizer
+    rollupConfig.plugins.push(visualizer({
+      ...nitroContext.analyze,
+      filename: nitroContext.analyze.filename.replace('{name}', 'nitro'),
+      title: 'Nitro Server bundle stats'
+    }))
+  }
+
   return rollupConfig
 }