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feat: esbuild based dep pre-bundling
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| import path from 'path' | ||
| import { Plugin } from 'esbuild' | ||
| import { knownAssetTypes } from '../constants' | ||
| import builtins from 'builtin-modules' | ||
| import { ResolvedConfig } from '..' | ||
| import chalk from 'chalk' | ||
| import { deepImportRE } from '../utils' | ||
|
|
||
| const externalTypes = ['css', 'vue', 'svelte', ...knownAssetTypes] | ||
|
|
||
| export function esbuildDepPlugin( | ||
| qualified: Record<string, string>, | ||
| config: ResolvedConfig, | ||
| transitiveOptimized: Record<string, true> | ||
| ): Plugin { | ||
| return { | ||
| name: 'vite:dep-pre-bundle', | ||
| setup(build) { | ||
| // externalize assets and commonly known non-js file types | ||
| build.onResolve( | ||
| { | ||
| filter: new RegExp(`\\.(` + externalTypes.join('|') + `)(\\?.*)?$`) | ||
| }, | ||
| ({ path: _path, importer }) => { | ||
| if (_path.startsWith('.')) { | ||
| const dir = path.dirname(importer) | ||
| return { | ||
| path: path.resolve(dir, _path), | ||
| external: true | ||
| } | ||
| } | ||
| } | ||
| ) | ||
|
|
||
| // record transitive deps | ||
| build.onResolve({ filter: /^[\w@]/ }, ({ path: id }) => { | ||
| if (!(id in qualified) && !/:\/\//.test(id)) { | ||
| const deepMatch = id.match(deepImportRE) | ||
| const pkgId = deepMatch ? deepMatch[1] || deepMatch[2] : id | ||
| transitiveOptimized[pkgId] = true | ||
| } | ||
| return null | ||
| }) | ||
|
|
||
| // redirect node-builtins to empty module for browser | ||
| build.onResolve( | ||
| { | ||
| filter: new RegExp(`^(${builtins.join('|')})$`) | ||
| }, | ||
| ({ path: id, importer }) => { | ||
| config.logger.warn( | ||
| chalk.yellow( | ||
| `externalized node built-in "${id}" to empty module. ` + | ||
| `(imported by: ${chalk.white.dim(importer)})` | ||
| ) | ||
| ) | ||
| return { | ||
| path: id, | ||
| namespace: 'browser-external' | ||
| } | ||
| } | ||
| ) | ||
|
|
||
| build.onLoad( | ||
| { filter: /.*/, namespace: 'browser-external' }, | ||
| ({ path: id }) => { | ||
| return { | ||
| contents: | ||
| `export default new Proxy({}, { | ||
| get() { | ||
| throw new Error('Module "${id}" has been externalized for ` + | ||
| `browser compatibility and cannot be accessed in client code.') | ||
| } | ||
| })` | ||
| } | ||
| } | ||
| ) | ||
|
|
||
| if (config.dedupe) { | ||
| build.onResolve( | ||
| { | ||
| filter: new RegExp(`^(${config.dedupe.join('|')})$`) | ||
| }, | ||
| ({ path: id }) => { | ||
| if (id in qualified) { | ||
| return { | ||
| path: path.resolve(qualified[id]) | ||
| } | ||
| } | ||
| } | ||
| ) | ||
| } | ||
| } | ||
| } | ||
| } |
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