remove unused validation.

__tests__/main.test.ts

@@ -148,19 +148,3 @@ test('returns the paths of the filtered files in the paths-output-file', async (
     pathsOutputFile
   )
 })
-
-test('returns warning for no match found', async () => {
-  mockedEnv({
-    ...defaultEnv,
-    INPUT_FILES: '-**.yml'
-  })
-
-  // @ts-ignore
-  core.warning = jest.fn()
-
-  await run()
-
-  expect(core.warning).toBeCalledWith(
-    'Invalid pattern detected: "-**.yml". Ensure that subdirectory patterns are prefixed with "**/" and all multi line string patterns are specified without quotes. See: https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#filter-pattern-cheat-sheet'
-  )
-})

package.json

@@ -31,27 +31,21 @@
   "dependencies": {
     "@actions/core": "1.9.0",
     "@actions/exec": "1.1.1",
-    "@actions/github": "5.0.3",
     "@actions/glob": "0.3.0",
-    "@actions/io": "1.1.2",
-    "is-glob": "^4.0.3",
     "temp-dir": "2.0.0",
     "uuid": "8.3.2"
   },
   "devDependencies": {
-    "@types/jest": "28.1.6",
+    "@types/jest": "^28.1.6",
     "@types/node": "18.6.4",
     "@types/uuid": "8.3.4",
-    "@types/is-glob": "4.0.2",
+    "@typescript-eslint/eslint-plugin": "^5.33.0",
     "@typescript-eslint/parser": "5.32.0",
     "@vercel/ncc": "0.34.0",
     "eslint": "8.21.0",
     "eslint-plugin-github": "4.3.7",
     "eslint-plugin-jest": "26.8.0",
-    "eslint-plugin-prettier": "4.2.1",
     "jest": "28.1.3",
-    "js-yaml": "4.1.0",
-    "mocked-env": "1.3.5",
     "prettier": "2.7.1",
     "ts-jest": "28.0.7",
     "typescript": "4.7.4"

src/main.ts

@@ -2,7 +2,6 @@ import * as path from 'path'
 import * as core from '@actions/core'
 import * as glob from '@actions/glob'
 import {promises as fs} from 'fs'
-import isGlob from 'is-glob'
 
 import {
   getDeletedFiles,
@@ -180,28 +179,6 @@ export async function run(): Promise<void> {
     core.setOutput('paths-output-file', pathsOutputFile)
     core.saveState('paths-output-file', pathsOutputFile)
     core.info(`Successfully created paths-output-file: ${pathsOutputFile}`)
-  } else {
-    const defaultExcludedPatterns = DEFAULT_EXCLUDED_FILES.map(
-      ep => `!${path.join(workingDirectory, ep.replace(/^!/, ''))}`
-    )
-    const invalidPatterns = filePatterns
-      .split('\n')
-      .filter(
-        p =>
-          p !== '' &&
-          !p.startsWith('!') &&
-          isGlob(p, {strict: false}) &&
-          !defaultExcludedPatterns.includes(p)
-      )
-      .map(p => `${p.replace(`${workingDirectory}${path.sep}`, '')}`)
-
-    if (invalidPatterns.length > 0) {
-      core.warning(
-        `Invalid pattern detected: "${invalidPatterns.join(
-          ', '
-        )}". Ensure that subdirectory patterns are prefixed with "**/" and all multi line string patterns are specified without quotes. See: https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#filter-pattern-cheat-sheet`
-      )
-    }
   }
 }