feat: custom input base

unplugin · Nov 25, 2024 · e16ca8c · e16ca8c
1 parent 2a41bcf
commit e16ca8c
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Showing 3 changed files with 11 additions and 6 deletions.
diff --git a/src/core/options.ts b/src/core/options.ts
@@ -15,6 +15,8 @@ export type Options = {
   autoAddExts?: boolean
   /** Patch `export default` in `.d.cts` to `export = ` */
   patchCjsDefaultExport?: boolean
+  /** Base directory for input files. */
+  inputBase?: string
   rewriteImports?: (
     id: string,
     importer: string,
@@ -42,7 +44,7 @@ type Overwrite<T, U> = Pick<T, Exclude<keyof T, keyof U>> & U
 
 export type OptionsResolved = Overwrite<
   Required<Options>,
-  Pick<Options, 'enforce' | 'extraOutdir' | 'rewriteImports'>
+  Pick<Options, 'enforce' | 'extraOutdir' | 'rewriteImports' | 'inputBase'>
 >
 
 export function resolveOptions(options: Options): OptionsResolved {
@@ -56,5 +58,6 @@ export function resolveOptions(options: Options): OptionsResolved {
     autoAddExts: options.autoAddExts || false,
     patchCjsDefaultExport: options.patchCjsDefaultExport || false,
     rewriteImports: options.rewriteImports,
+    inputBase: options.inputBase,
   }
 }
diff --git a/src/core/utils.ts b/src/core/utils.ts
@@ -34,6 +34,7 @@ export function stripExt(filename: string): string {
 
 export function resolveEntry(
   input: string | string[] | Record<string, string>,
+  userInputBase?: string,
 ): {
   entryMap: Record<string, string> | undefined
   inputBase: string
@@ -50,7 +51,7 @@ export function resolveEntry(
       )
     : undefined
   const arr = Array.isArray(input) && input ? input : Object.values(input)
-  const inputBase = lowestCommonAncestor(...arr)
+  const inputBase = userInputBase || lowestCommonAncestor(...arr)
 
   return { entryMap, inputBase }
 }

diff --git a/src/index.ts b/src/index.ts
@@ -206,7 +206,7 @@ export const IsolatedDecl: UnpluginInstance<Options | undefined, false> =
       inputOptions: NormalizedInputOptions,
     ) {
       const { input } = inputOptions
-      const { inputBase, entryMap } = resolveEntry(input)
+      const { inputBase, entryMap } = resolveEntry(input, options.inputBase)
       debug('[rollup] input base:', inputBase)
 
       let { entryFileNames = '[name].js' } = outputOptions
@@ -248,8 +248,9 @@ export const IsolatedDecl: UnpluginInstance<Options | undefined, false> =
       const { input = {}, output = {} } = config as ResolvedCompilation
       const { inputBase, entryMap } = resolveEntry(
         input as Record<string, string>,
+        options.inputBase,
       )
-      debug('[farm] out base:', inputBase)
+      debug('[farm] input base:', inputBase)
 
       if (output && typeof output.entryFilename !== 'string') {
         return console.error('entryFileName must be a string')
@@ -310,8 +311,8 @@ export const IsolatedDecl: UnpluginInstance<Options | undefined, false> =
         )
           throw new Error('unsupported entryPoints, must be an string[]')
 
-        const inputBase = lowestCommonAncestor(...entries)
-        debug('[esbuild] out base:', inputBase)
+        const inputBase = options.inputBase || lowestCommonAncestor(...entries)
+        debug('[esbuild] input base:', inputBase)
 
         const jsExt = esbuildOptions.outExtension?.['.js']
         let outExt: string