feat(server): add outputPath option in ChunkExtractor

Author: gregberge

packages/server/README.md

@@ -193,6 +193,7 @@ Used to collect chunks server-side and get them as script tags or script element
 | `options.statsFile`   | Stats file path generated using `@loadable/webpack-plugin`. |
 | `options.stats`       | Stats generated using `@loadable/webpack-plugin`.           |
 | `options.entrypoints` | Webpack entrypoints to load (default to `["main"]`).        |
+| `options.outputPath`  | Optional output path (only for `requireEntrypoint`).        |
 
 You must specify either `statsFile` or `stats` to be able to use `ChunkExtractor`.
 

packages/server/src/ChunkExtractor.js

@@ -77,8 +77,9 @@ function joinTags(tags) {
 }
 
 class ChunkExtractor {
-  constructor({ statsFile, stats, entrypoints = ['main'] } = []) {
+  constructor({ statsFile, stats, entrypoints = ['main'], outputPath } = []) {
     this.stats = stats || smartRequire(statsFile)
+    this.outputPath = outputPath || this.stats.outputPath
     this.statsFile = statsFile
     this.entrypoints = Array.isArray(entrypoints) ? entrypoints : [entrypoints]
     this.chunks = []
@@ -101,7 +102,7 @@ class ChunkExtractor {
       scriptType: extensionToScriptType(path.extname(filename).toLowerCase()),
       chunk,
       url: this.resolvePublicUrl(filename),
-      path: path.join(this.stats.outputPath, filename),
+      path: path.join(this.outputPath, filename),
       type,
       linkType,
     }