-
Notifications
You must be signed in to change notification settings - Fork 26k
/
flight-manifest-plugin.ts
368 lines (316 loc) · 11.5 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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
/**
* 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 { FLIGHT_MANIFEST } from '../../../shared/lib/constants'
import { relative } from 'path'
import { isClientComponentModule, regexCSS } from '../loaders/utils'
import {
edgeServerModuleIds,
serverModuleIds,
} from './flight-client-entry-plugin'
import { traverseModules } from '../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('../');
interface Options {
dev: boolean
}
/**
* Webpack module id
*/
// TODO-APP ensure `null` is included as it is used.
type ModuleId = string | number /*| null*/
export type ManifestChunks = Array<`${string}:${string}` | string>
interface ManifestNode {
[moduleExport: string]: {
/**
* Webpack module id
*/
id: ModuleId
/**
* Export name
*/
name: string
/**
* Chunks for the module. JS and CSS.
*/
chunks: ManifestChunks
/**
* If chunk contains async module
*/
async?: boolean
}
}
export type FlightManifest = {
__ssr_module_mapping__: {
[moduleId: string]: ManifestNode
}
__edge_ssr_module_mapping__: {
[moduleId: string]: ManifestNode
}
} & {
[modulePath: string]: ManifestNode
}
export type FlightCSSManifest = {
[modulePath: string]: string[]
} & {
__entry_css__?: {
[entry: string]: string[]
}
}
const PLUGIN_NAME = 'FlightManifestPlugin'
// Collect modules from server/edge compiler in client layer,
// and detect if it's been used, and mark it as `async: true` for react.
// So that react could unwrap the async module from promise and render module itself.
export const ASYNC_CLIENT_MODULES = new Set<string>()
export class FlightManifestPlugin {
dev: Options['dev'] = false
constructor(options: Options) {
this.dev = options.dev
}
apply(compiler: webpack.Compiler) {
compiler.hooks.compilation.tap(
PLUGIN_NAME,
(compilation, { normalModuleFactory }) => {
compilation.dependencyFactories.set(
webpack.dependencies.ModuleDependency,
normalModuleFactory
)
compilation.dependencyTemplates.set(
webpack.dependencies.ModuleDependency,
new webpack.dependencies.NullDependency.Template()
)
}
)
compiler.hooks.make.tap(PLUGIN_NAME, (compilation) => {
compilation.hooks.processAssets.tap(
{
name: PLUGIN_NAME,
// Have to be in the optimize stage to run after updating the CSS
// asset hash via extract mini css plugin.
stage: webpack.Compilation.PROCESS_ASSETS_STAGE_OPTIMIZE_HASH,
},
(assets) => this.createAsset(assets, compilation, compiler.context)
)
})
}
createAsset(
assets: webpack.Compilation['assets'],
compilation: webpack.Compilation,
context: string
) {
const manifest: FlightManifest = {
__ssr_module_mapping__: {},
__edge_ssr_module_mapping__: {},
}
const dev = this.dev
const clientRequestsSet = new Set()
// Collect client requests
function collectClientRequest(mod: webpack.NormalModule) {
if (mod.resource === '' && mod.buildInfo.rsc) {
const { requests = [] } = mod.buildInfo.rsc
requests.forEach((r: string) => {
clientRequestsSet.add(r)
})
}
}
traverseModules(compilation, (mod) => collectClientRequest(mod))
compilation.chunkGroups.forEach((chunkGroup) => {
const cssResourcesInChunkGroup = new Set<string>()
let entryFilepath: string = ''
function recordModule(
chunk: webpack.Chunk,
id: ModuleId,
mod: webpack.NormalModule
) {
const isCSSModule =
regexCSS.test(mod.resource) ||
mod.type === 'css/mini-extract' ||
(!!mod.loaders &&
(dev
? mod.loaders.some((item) =>
item.loader.includes('next-style-loader/index.js')
)
: mod.loaders.some((item) =>
item.loader.includes('mini-css-extract-plugin/loader.js')
)))
const resource =
mod.type === 'css/mini-extract'
? // @ts-expect-error TODO: use `identifier()` instead.
mod._identifier.slice(mod._identifier.lastIndexOf('!') + 1)
: mod.resource
if (!resource) {
return
}
const moduleExports = manifest[resource] || {}
const moduleIdMapping = manifest.__ssr_module_mapping__
const edgeModuleIdMapping = manifest.__edge_ssr_module_mapping__
// Note that this isn't that reliable as webpack is still possible to assign
// additional queries to make sure there's no conflict even using the `named`
// module ID strategy.
let ssrNamedModuleId = relative(
context,
mod.resourceResolveData?.path || resource
)
if (!ssrNamedModuleId.startsWith('.'))
ssrNamedModuleId = `./${ssrNamedModuleId.replace(/\\/g, '/')}`
if (isCSSModule) {
const chunks = [...chunk.files].filter((f) => f.endsWith('.css'))
if (!manifest[resource]) {
manifest[resource] = {
default: {
id,
name: 'default',
chunks,
},
}
} else {
// It is possible that there are multiple modules with the same resource,
// e.g. extracted by mini-css-extract-plugin. In that case we need to
// merge the chunks.
manifest[resource].default.chunks = [
...new Set([...manifest[resource].default.chunks, ...chunks]),
]
}
if (chunkGroup.name) {
cssResourcesInChunkGroup.add(resource)
}
return
}
// Only apply following logic to client module requests from client entry,
// or if the module is marked as client module.
if (!clientRequestsSet.has(resource) && !isClientComponentModule(mod)) {
return
}
if (/[\\/](page|layout)\.(ts|js)x?$/.test(resource)) {
entryFilepath = resource
}
const exportsInfo = compilation.moduleGraph.getExportsInfo(mod)
const isAsyncModule = ASYNC_CLIENT_MODULES.has(mod.resource)
const cjsExports = [
...new Set([
...mod.dependencies.map((dep) => {
// Match CommonJsSelfReferenceDependency
if (dep.type === 'cjs self exports reference') {
// @ts-expect-error: TODO: Fix Dependency type
if (dep.base === 'module.exports') {
return 'default'
}
// `exports.foo = ...`, `exports.default = ...`
// @ts-expect-error: TODO: Fix Dependency type
if (dep.base === 'exports') {
// @ts-expect-error: TODO: Fix Dependency type
return dep.names.filter((name: any) => name !== '__esModule')
}
}
return null
}),
]),
]
function getAppPathRequiredChunks() {
return chunkGroup.chunks.map((requiredChunk: webpack.Chunk) => {
return (
requiredChunk.id +
':' +
(requiredChunk.name || requiredChunk.id) +
(dev ? '' : '-' + requiredChunk.hash)
)
})
}
const moduleExportedKeys = ['', '*']
.concat(
[...exportsInfo.exports]
.filter((exportInfo) => exportInfo.provided)
.map((exportInfo) => exportInfo.name),
...cjsExports
)
.filter((name) => name !== null)
moduleExportedKeys.forEach((name) => {
// If the chunk is from `app/` chunkGroup, use it first.
// This make sure not to load the overlapped chunk from `pages/` chunkGroup
if (
!moduleExports[name] ||
(chunkGroup.name && /^app[\\/]/.test(chunkGroup.name))
) {
const requiredChunks = getAppPathRequiredChunks()
moduleExports[name] = {
id,
name,
chunks: requiredChunks,
// E.g.
// page (server) -> local module (client) -> package (esm)
// The esm package will bubble up to make the entire chain till the client entry as async module.
async: isAsyncModule,
}
}
if (serverModuleIds.has(ssrNamedModuleId)) {
moduleIdMapping[id] = moduleIdMapping[id] || {}
moduleIdMapping[id][name] = {
...moduleExports[name],
id: serverModuleIds.get(ssrNamedModuleId)!,
}
}
if (edgeServerModuleIds.has(ssrNamedModuleId)) {
edgeModuleIdMapping[id] = edgeModuleIdMapping[id] || {}
edgeModuleIdMapping[id][name] = {
...moduleExports[name],
id: edgeServerModuleIds.get(ssrNamedModuleId)!,
}
}
})
manifest[resource] = moduleExports
// The client compiler will always use the CJS Next.js build, so here we
// also add the mapping for the ESM build (Edge runtime) to consume.
if (/\/next\/dist\//.test(resource)) {
manifest[resource.replace(/\/next\/dist\//, '/next/dist/esm/')] =
moduleExports
}
manifest.__ssr_module_mapping__ = moduleIdMapping
manifest.__edge_ssr_module_mapping__ = edgeModuleIdMapping
}
chunkGroup.chunks.forEach((chunk: webpack.Chunk) => {
const chunkModules = compilation.chunkGraph.getChunkModulesIterable(
chunk
// TODO: Update type so that it doesn't have to be cast.
) as Iterable<webpack.NormalModule>
for (const mod of chunkModules) {
const modId: string = compilation.chunkGraph.getModuleId(mod) + ''
recordModule(chunk, modId, mod)
// If this is a concatenation, register each child to the parent ID.
// TODO: remove any
const anyModule = mod as any
if (anyModule.modules) {
anyModule.modules.forEach((concatenatedMod: any) => {
recordModule(chunk, modId, concatenatedMod)
})
}
}
})
const clientCSSManifest: any = manifest.__client_css_manifest__ || {}
if (entryFilepath) {
clientCSSManifest[entryFilepath] = Array.from(cssResourcesInChunkGroup)
}
manifest.__client_css_manifest__ = clientCSSManifest
})
const file = 'server/' + FLIGHT_MANIFEST
const json = JSON.stringify(manifest)
ASYNC_CLIENT_MODULES.clear()
assets[file + '.js'] = new sources.RawSource(
'self.__RSC_MANIFEST=' + json
// Work around webpack 4 type of RawSource being used
// TODO: use webpack 5 type by default
) as unknown as webpack.sources.RawSource
assets[file + '.json'] = new sources.RawSource(
json
// Work around webpack 4 type of RawSource being used
// TODO: use webpack 5 type by default
) as unknown as webpack.sources.RawSource
}
}