feat: support ignore by kind

README.md

@@ -20,7 +20,12 @@ Unused({
   /**
    * Ignore some dependencies.
    */
-  ignore: ['vue'],
+  ignore: {
+    peerDependencies: ['vue'],
+  },
+  // Or ignore all kinds of dependencies.
+  // ignore: ['vue'],
+
   /**
    * Dependency kinds to check.
    */

src/core/options.ts

@@ -1,18 +1,20 @@
 import type { FilterPattern } from '@rollup/pluginutils'
 
+export type DepKind = 'dependencies' | 'devDependencies' | 'peerDependencies'
+
 export interface Options {
   root?: string
   include?: FilterPattern
   exclude?: FilterPattern
-  ignore?: string[]
+  ignore?: string[] | Record<DepKind, string[]>
   /**
    * @default 'warning'
    */
   level?: 'warning' | 'error'
   /**
    * @default ['dependencies', 'peerDependencies']
    */
-  depKinds?: Array<'dependencies' | 'devDependencies' | 'peerDependencies'>
+  depKinds?: Array<DepKind>
 }
 
 type Overwrite<T, U> = Pick<T, Exclude<keyof T, keyof U>> & U

src/index.ts

@@ -29,7 +29,10 @@ const plugin: UnpluginInstance<Options | undefined, false> = createUnplugin(
         for (const kind of options.depKinds) {
           const dependencies = Object.keys(pkg[kind] || {})
           for (const dep of dependencies) {
-            if (options.ignore.includes(dep) || deps.has(dep)) continue
+            const ignore = Array.isArray(options.ignore)
+              ? options.ignore
+              : options.ignore[kind]
+            if (ignore.includes(dep) || deps.has(dep)) continue
             deps.add(dep)
             depsRegex[dep] = new RegExp(`["']${escapeStringRegexp(dep)}['"\\/]`)
           }