/
optimizedDeps.ts
164 lines (149 loc) · 5.53 KB
/
optimizedDeps.ts
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import { promises as fs } from 'node:fs'
import colors from 'picocolors'
import type { ResolvedConfig } from '..'
import type { Plugin } from '../plugin'
import { DEP_VERSION_RE } from '../constants'
import { cleanUrl, createDebugger } from '../utils'
import { getDepsOptimizer, optimizedDepInfoFromFile } from '../optimizer'
export const ERR_OPTIMIZE_DEPS_PROCESSING_ERROR =
'ERR_OPTIMIZE_DEPS_PROCESSING_ERROR'
export const ERR_OUTDATED_OPTIMIZED_DEP = 'ERR_OUTDATED_OPTIMIZED_DEP'
const isDebug = process.env.DEBUG
const debug = createDebugger('vite:optimize-deps')
export function optimizedDepsPlugin(config: ResolvedConfig): Plugin {
return {
name: 'vite:optimized-deps',
async resolveId(id) {
if (getDepsOptimizer(config)?.isOptimizedDepFile(id)) {
return id
}
},
// this.load({ id }) isn't implemented in PluginContainer
// The logic to register an id to wait until it is processed
// is in importAnalysis, see call to delayDepsOptimizerUntil
async load(id, options) {
const ssr = options?.ssr ?? false
const depsOptimizer = getDepsOptimizer(config)
if (depsOptimizer?.isOptimizedDepFile(id)) {
const metadata = depsOptimizer?.metadata({ ssr })
if (metadata) {
const file = cleanUrl(id)
const versionMatch = id.match(DEP_VERSION_RE)
const browserHash = versionMatch
? versionMatch[1].split('=')[1]
: undefined
// Search in both the currently optimized and newly discovered deps
const info = optimizedDepInfoFromFile(metadata, file)
if (info) {
if (browserHash && info.browserHash !== browserHash) {
throwOutdatedRequest(id)
}
try {
// This is an entry point, it may still not be bundled
await info.processing
} catch {
// If the refresh has not happened after timeout, Vite considers
// something unexpected has happened. In this case, Vite
// returns an empty response that will error.
throwProcessingError(id)
return
}
const newMetadata = depsOptimizer.metadata({ ssr })
if (metadata !== newMetadata) {
const currentInfo = optimizedDepInfoFromFile(newMetadata!, file)
if (info.browserHash !== currentInfo?.browserHash) {
throwOutdatedRequest(id)
}
}
}
isDebug && debug(`load ${colors.cyan(file)}`)
// Load the file from the cache instead of waiting for other plugin
// load hooks to avoid race conditions, once processing is resolved,
// we are sure that the file has been properly save to disk
try {
return await fs.readFile(file, 'utf-8')
} catch (e) {
// Outdated non-entry points (CHUNK), loaded after a rerun
throwOutdatedRequest(id)
}
}
}
}
}
}
export function optimizedDepsBuildPlugin(config: ResolvedConfig): Plugin {
return {
name: 'vite:optimized-deps-build',
buildStart() {
if (!config.isWorker) {
getDepsOptimizer(config)?.resetRegisteredIds()
}
},
async resolveId(id) {
if (getDepsOptimizer(config)?.isOptimizedDepFile(id)) {
return id
}
},
transform(_code, id) {
getDepsOptimizer(config)?.delayDepsOptimizerUntil(id, async () => {
await this.load({ id })
})
},
async load(id, options) {
const ssr = options?.ssr ?? false
const depsOptimizer = getDepsOptimizer(config)
const metadata = depsOptimizer?.metadata({ ssr })
if (!metadata || !depsOptimizer?.isOptimizedDepFile(id)) {
return
}
const file = cleanUrl(id)
// Search in both the currently optimized and newly discovered deps
const info = optimizedDepInfoFromFile(metadata, file)
if (info) {
try {
// This is an entry point, it may still not be bundled
await info.processing
} catch {
// If the refresh has not happened after timeout, Vite considers
// something unexpected has happened. In this case, Vite
// returns an empty response that will error.
// throwProcessingError(id)
return
}
isDebug && debug(`load ${colors.cyan(file)}`)
} else {
// TODO: error
return
}
// Load the file from the cache instead of waiting for other plugin
// load hooks to avoid race conditions, once processing is resolved,
// we are sure that the file has been properly save to disk
try {
return await fs.readFile(file, 'utf-8')
} catch (e) {
// Outdated non-entry points (CHUNK), loaded after a rerun
return ''
}
}
}
}
function throwProcessingError(id: string): never {
const err: any = new Error(
`Something unexpected happened while optimizing "${id}". ` +
`The current page should have reloaded by now`
)
err.code = ERR_OPTIMIZE_DEPS_PROCESSING_ERROR
// This error will be caught by the transform middleware that will
// send a 504 status code request timeout
throw err
}
export function throwOutdatedRequest(id: string): never {
const err: any = new Error(
`There is a new version of the pre-bundle for "${id}", ` +
`a page reload is going to ask for it.`
)
err.code = ERR_OUTDATED_OPTIMIZED_DEP
// This error will be caught by the transform middleware that will
// send a 504 status code request timeout
throw err
}