This PR uses the `enhanced-resolve` instead of `createRequire(…).resolve` which improves the usability when running the upgrade tool locally using Bun. While testing, we also noticed that it is not possible to use a `cjs`-only plugin inside of an `esm` project. It was also not possible to use an `esm`-only plugin inside of a `cjs` project. # Test plan We added integration tests in both the CLI (the CLI is an mjs project) and in the PostCSS (where we can configure a `cjs` and `esm` PostCSS config) integration tests where we created an `esm` and `cjs` based project with 4 plugins (`cjs`-only, `esm`-only, and TypeScript based plugins: `cts`-only and `mts`-only).
47 lines
1.4 KiB
TypeScript
47 lines
1.4 KiB
TypeScript
import EnhancedResolve from 'enhanced-resolve'
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import fs from 'node:fs'
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import { createRequire } from 'node:module'
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const localResolve = createRequire(import.meta.url).resolve
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export function resolve(id: string) {
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if (typeof globalThis.__tw_resolve === 'function') {
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let resolved = globalThis.__tw_resolve(id)
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if (resolved) {
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return resolved
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}
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}
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return localResolve(id)
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}
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const esmResolver = EnhancedResolve.ResolverFactory.createResolver({
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fileSystem: new EnhancedResolve.CachedInputFileSystem(fs, 4000),
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useSyncFileSystemCalls: true,
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extensions: ['.js', '.json', '.node', '.ts'],
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conditionNames: ['node', 'import'],
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})
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const cjsResolver = EnhancedResolve.ResolverFactory.createResolver({
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fileSystem: new EnhancedResolve.CachedInputFileSystem(fs, 4000),
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useSyncFileSystemCalls: true,
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extensions: ['.js', '.json', '.node', '.ts'],
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conditionNames: ['node', 'require'],
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})
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export function resolveJsId(id: string, base: string) {
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try {
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return esmResolver.resolveSync({}, base, id)
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} catch {
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return cjsResolver.resolveSync({}, base, id)
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}
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}
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const resolver = EnhancedResolve.ResolverFactory.createResolver({
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fileSystem: new EnhancedResolve.CachedInputFileSystem(fs, 4000),
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useSyncFileSystemCalls: true,
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extensions: ['.css'],
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mainFields: ['style'],
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conditionNames: ['style'],
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})
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export function resolveCssId(id: string, base: string) {
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return resolver.resolveSync({}, base, id)
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}
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