Support name-pattern

action.yml

@@ -16,7 +16,12 @@ inputs:
   names:
     description: >-
       Names of the packages.
-    required: true
+    required: false
+
+  name-pattern:
+    description: >-
+      Names of the packages.
+    required: false
 
   semver-pattern:
     description: >-

src/action.ts

@@ -8,6 +8,16 @@ export async function executeAction(input: Input, queryStrategy: QueryStrategy,
     warning("No package versions will be actually deleted")
   }
 
+  if (input.namePattern) {
+    info("Fetching package names")
+
+    input.names = await queryStrategy.queryPackageNames(input)
+
+    input.names.forEach((it) => {
+      info(`${it}`)
+    })
+  }
+
   info("Fetching packages")
 
   const packages = await queryStrategy.queryPackages(input)

src/input.ts

@@ -5,7 +5,7 @@ import { Input, PackageType } from "./types"
 const DEFAULT_KEEP = 2
 
 function getRegExpInput(name: string): RegExp | undefined {
-  const input = getInput("version-pattern")
+  const input = getInput(name)
 
   if (input !== "") {
     try {
@@ -50,6 +50,7 @@ function getTypeInput(name: string): PackageType {
 export function getActionInput(): Input {
   return {
     names: getMultilineInput("names"),
+    namePattern: getRegExpInput("name-pattern"),
     versionPattern: getRegExpInput("version-pattern"),
     semverPattern: genSemVerInput("semver-pattern"),
     keep: Number(getInput("keep") || DEFAULT_KEEP),
@@ -62,7 +63,11 @@ export function getActionInput(): Input {
 }
 
 export function validateInput(input: Input): Input {
-  if (input.names.length <= 0) {
+  if (input.namePattern && input.names && input.names.length > 0) {
+    throw new Error("Only one of name-pattern and names can be specified")
+  }
+
+  if (!input.namePattern && (!input.names || input.names.length <= 0)) {
     throw new Error("names cannot be empty")
   }
 

src/query/strategies/organization.query.strategy.ts

@@ -6,6 +6,9 @@ export default class OrganizationQueryStrategy implements QueryStrategy {
   constructor(private readonly octokit: InstanceType<typeof GitHub>) {}
 
   async queryPackages(input: RestInput): Promise<Package[]> {
+    if (!input.names) {
+      throw new Error("No names specified")
+    }
     return await Promise.all(
       input.names.map(async (name) => {
         const response = await this.queryPackage(input, name)
@@ -15,6 +18,26 @@ export default class OrganizationQueryStrategy implements QueryStrategy {
     )
   }
 
+  async queryPackageNames(input: RestInput) {
+    if (!input.namePattern) {
+      throw new Error("No name-pattern specified")
+    }
+    const namePattern = input.namePattern
+    try {
+      const params = {
+        package_type: input.type,
+        org: input.organization,
+        per_page: 100,
+      }
+
+      const packages = await this.octokit.paginate(this.octokit.rest.packages.listPackagesForOrganization, params)
+
+      return packages.map((p) => p.name).filter((n) => namePattern.test(n))
+    } catch (error) {
+      throw new Error(`Failed to query package name pattern ${input.namePattern}: ${error}`)
+    }
+  }
+
   private async queryPackage(input: RestInput, name: string) {
     try {
       const params = {

src/query/strategies/user.query.strategy.ts

@@ -6,6 +6,9 @@ export default class UserQueryStrategy implements QueryStrategy {
   constructor(private readonly octokit: InstanceType<typeof GitHub>) {}
 
   async queryPackages(input: RestInput): Promise<Package[]> {
+    if (!input.names) {
+      throw new Error("No names specified")
+    }
     return await Promise.all(
       input.names.map(async (name) => {
         const response = await this.queryPackage(input, name)
@@ -15,6 +18,26 @@ export default class UserQueryStrategy implements QueryStrategy {
     )
   }
 
+  async queryPackageNames(input: RestInput) {
+    if (!input.namePattern) {
+      throw new Error("No name-pattern specified")
+    }
+    const namePattern = input.namePattern
+    try {
+      const params = {
+        package_type: input.type,
+        username: input.user,
+        per_page: 100,
+      }
+
+      const packages = await this.octokit.paginate(this.octokit.rest.packages.listPackagesForUser, params)
+
+      return packages.map((p) => p.name).filter((n) => namePattern.test(n))
+    } catch (error) {
+      throw new Error(`Failed to query package name pattern ${input.namePattern}: ${error}`)
+    }
+  }
+
   private async queryPackage(input: RestInput, name: string) {
     try {
       const params = {

src/types.ts

@@ -10,7 +10,8 @@ export enum PackageType {
 }
 
 export type Input = {
-  names: string[]
+  names?: string[]
+  namePattern?: RegExp
   versionPattern?: RegExp
   semverPattern?: Range
   keep: number
@@ -38,6 +39,7 @@ export type PackageVersion = {
 
 export interface QueryStrategy {
   queryPackages(input: Input): Promise<Package[]>
+  queryPackageNames(input: Input): Promise<string[]>
 }
 
 export interface DeleteStrategy {