forked from vercel/next.js
-
Notifications
You must be signed in to change notification settings - Fork 1
/
flight-manifest-plugin.ts
152 lines (134 loc) · 4.75 KB
/
flight-manifest-plugin.ts
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import { webpack, sources } from 'next/dist/compiled/webpack/webpack'
import { MIDDLEWARE_FLIGHT_MANIFEST } from '../../../shared/lib/constants'
import { createClientComponentFilter } from '../loaders/utils'
// This is the module that will be used to anchor all client references to.
// I.e. it will have all the client files as async deps from this point on.
// We use the Flight client implementation because you can't get to these
// without the client runtime so it's the first time in the loading sequence
// you might want them.
// const clientFileName = require.resolve('../');
type Options = {
dev: boolean
pageExtensions: string[]
isEdgeServer: boolean
}
const PLUGIN_NAME = 'FlightManifestPlugin'
let edgeFlightManifest = {}
let nodeFlightManifest = {}
const isClientComponent = createClientComponentFilter()
export class FlightManifestPlugin {
dev: boolean = false
pageExtensions: string[]
isEdgeServer: boolean
constructor(options: Options) {
if (typeof options.dev === 'boolean') {
this.dev = options.dev
}
this.pageExtensions = options.pageExtensions
this.isEdgeServer = options.isEdgeServer
}
apply(compiler: any) {
compiler.hooks.compilation.tap(
PLUGIN_NAME,
(compilation: any, { normalModuleFactory }: any) => {
compilation.dependencyFactories.set(
(webpack as any).dependencies.ModuleDependency,
normalModuleFactory
)
compilation.dependencyTemplates.set(
(webpack as any).dependencies.ModuleDependency,
new (webpack as any).dependencies.NullDependency.Template()
)
}
)
// Only for webpack 5
compiler.hooks.make.tap(PLUGIN_NAME, (compilation: any) => {
compilation.hooks.processAssets.tap(
{
name: PLUGIN_NAME,
// @ts-ignore TODO: Remove ignore when webpack 5 is stable
stage: webpack.Compilation.PROCESS_ASSETS_STAGE_ADDITIONS,
},
(assets: any) => this.createAsset(assets, compilation)
)
})
}
createAsset(assets: any, compilation: any) {
const manifest: any = {}
compilation.chunkGroups.forEach((chunkGroup: any) => {
function recordModule(id: string, _chunk: any, mod: any) {
const resource = mod.resource
// TODO: Hook into deps instead of the target module.
// That way we know by the type of dep whether to include.
// It also resolves conflicts when the same module is in multiple chunks.
if (!resource || !isClientComponent(resource)) {
return
}
const moduleExports: any = manifest[resource] || {}
const exportsInfo = compilation.moduleGraph.getExportsInfo(mod)
const moduleExportedKeys = ['', '*'].concat(
[...exportsInfo.exports]
.map((exportInfo) => {
if (exportInfo.provided) {
return exportInfo.name
}
return null
})
.filter(Boolean)
)
moduleExportedKeys.forEach((name) => {
if (!moduleExports[name]) {
moduleExports[name] = {
id,
name,
chunks: [],
}
}
})
manifest[resource] = moduleExports
}
chunkGroup.chunks.forEach((chunk: any) => {
const chunkModules =
compilation.chunkGraph.getChunkModulesIterable(chunk)
for (const mod of chunkModules) {
let modId = compilation.chunkGraph.getModuleId(mod)
// Clean up the module id.
if (typeof modId === 'string') {
// Remove resource queries.
modId = modId.split('?')[0]
// Remove the loader prefix.
modId = modId.split('next-flight-client-loader.js!')[1]
}
recordModule(modId, chunk, mod)
// If this is a concatenation, register each child to the parent ID.
if (mod.modules) {
mod.modules.forEach((concatenatedMod: any) => {
recordModule(modId, chunk, concatenatedMod)
})
}
}
})
})
// With switchable runtime, we need to emit the manifest files for both
// runtimes.
if (this.isEdgeServer) {
edgeFlightManifest = manifest
} else {
nodeFlightManifest = manifest
}
const mergedManifest = {
...nodeFlightManifest,
...edgeFlightManifest,
}
const file = MIDDLEWARE_FLIGHT_MANIFEST
const json = JSON.stringify(mergedManifest)
assets[file + '.js'] = new sources.RawSource('self.__RSC_MANIFEST=' + json)
assets[file + '.json'] = new sources.RawSource(json)
}
}