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Code Issues Releases Wiki Activity

hot reload compilation errors

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This commit is contained in:
nkzawa 2016-10-25 00:20:50 +09:00
parent 7ec46d512b
commit 7569ef6ca9
2 changed files with 43 additions and 25 deletions
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2
lib/router.js
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@ -68,7 +68,7 @@ export default class Router {
let props
try {
data = await this.fetchComponent(route)
if (route !== this.route) {
if (route === this.route) {
props = await this.getInitialProps(data.Component, data.ctx)
}
} catch (err) {

66
server/hot-reloader.js
View file

@ -1,4 +1,4 @@
import { join } from 'path'
import { join, relative, sep } from 'path'
import WebpackDevServer from 'webpack-dev-server'
import webpack from './build/webpack'
import read from './read'
@ -10,7 +10,7 @@ export default class HotReloader {
this.stats = null
this.compilationErrors = null
this.prevAssets = null
this.prevEntryChunkNames = null
this.prevChunkHashes = null
}
async start () {
@ -44,24 +44,33 @@ export default class HotReloader {
this.stats = stats
this.compilationErrors = null
const entryChunkNames = new Set(stats.compilation.chunks
.filter((c) => c.entry)
.map((c) => c.name))
const chunkHashes = {}
stats.compilation.chunks.map((c) => {
chunkHashes[c.name] = c.hash
})
if (this.prevEntryChunkNames) {
const added = diff(entryChunkNames, this.prevEntryChunkNames)
const removed = diff(this.prevEntryChunkNames, entryChunkNames)
if (this.prevChunkHashes) {
const names = new Set(Object.keys(chunkHashes))
const prevNames = new Set(Object.keys(this.prevChunkHashes))
const added = diff(names, prevNames)
const removed = diff(prevNames, names)
const failed = new Set(stats.compilation.errors
.map((e) => e.module.reasons)
.reduce((a, b) => a.concat(b), [])
.map((r) => r.module.chunks)
.reduce((a, b) => a.concat(b), [])
.map((c) => c.name)
.filter((n) => chunkHashes[n] !== this.prevChunkHashes[n]))
for (const n of new Set([...added, ...removed])) {
const m = n.match(/^bundles\/pages(\/.+?)(?:\/index)?\.js$/)
if (!m) {
console.error('Unexpected chunk name: ' + n)
continue
}
this.send('reload', m[1])
const rootDir = join('bundles', 'pages')
for (const n of new Set([...added, ...removed, ...failed])) {
const route = toRoute(relative(rootDir, n))
this.send('reload', route)
}
}
this.prevEntryChunkNames = entryChunkNames
this.prevChunkHashes = chunkHashes
})
this.server = new WebpackDevServer(compiler, {
@ -106,15 +115,19 @@ export default class HotReloader {
getCompilationErrors () {
if (!this.compilationErrors) {
this.compilationErrors = new Map()
if (this.stats.hasErrors()) {
const entries = this.stats.compilation.entries
.filter((e) => e.context === this.dir)
.filter((e) => !!e.errors.length || !!e.dependenciesErrors.length)
for (const e of entries) {
const path = join(e.context, '.next', e.name)
const errors = e.errors.concat(e.dependenciesErrors)
this.compilationErrors.set(path, errors)
if (this.stats.hasErrors()) {
const { compiler, errors } = this.stats.compilation
for (const err of errors) {
for (const r of err.module.reasons) {
for (const c of r.module.chunks) {
// get the path of the bundle file
const path = join(compiler.outputPath, c.name)
const errors = this.compilationErrors.get(path) || []
this.compilationErrors.set(path, errors.concat([err]))
}
}
}
}
}
@ -139,3 +152,8 @@ function deleteCache (path) {
function diff (a, b) {
return new Set([...a].filter((v) => !b.has(v)))
}
function toRoute (file) {
const f = sep === '\\' ? file.replace(/\\/g, '/') : file
return ('/' + f).replace(/(\/index)?\.js$/, '') || '/'
}