diff --git a/.github/linters/.eslintrc.yml b/.github/linters/.eslintrc.yml
index 657e847..7ecd99c 100644
--- a/.github/linters/.eslintrc.yml
+++ b/.github/linters/.eslintrc.yml
@@ -12,6 +12,7 @@ ignorePatterns:
   - "**/node_modules/.*"
   - "**/dist/.*"
   - "**/coverage/.*"
+  - "**/package-lock.json"
 
 parser: "@typescript-eslint/parser"
 
@@ -20,7 +21,6 @@ parserOptions:
   sourceType: module
   project:
     - "./.github/linters/tsconfig.json"
-    - "./tsconfig.json"
 
 plugins:
   - jest
diff --git a/.github/linters/tsconfig.json b/.github/linters/tsconfig.json
index a34cf90..8120d7c 100644
--- a/.github/linters/tsconfig.json
+++ b/.github/linters/tsconfig.json
@@ -5,5 +5,5 @@
     "noEmit": true
   },
   "include": ["../../__tests__/**/*", "../../src/**/*"],
-  "exclude": ["../../dist", "../../node_modules", "../../coverage", "*.json"]
+  "exclude": ["../../dist", "../../node_modules", "../../coverage", "../../**/*.json"]
 }
diff --git a/.github/workflows/linter.yml b/.github/workflows/linter.yml
index 893b110..05f02a8 100644
--- a/.github/workflows/linter.yml
+++ b/.github/workflows/linter.yml
@@ -40,4 +40,12 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           TYPESCRIPT_DEFAULT_STYLE: prettier
           VALIDATE_JSCPD: false
-          FILTER_REGEX_EXCLUDE: ".*dist/.*.js" # why the ignorePattern in eslintrc.yml doesn't work?
+          # Why the ignorePattern in eslintrc.yml doesn't work?
+          FILTER_REGEX_EXCLUDE: "(.github/workflows/tests.yml)|(.*dist/.*.js)"
+          # https://github.com/super-linter/super-linter/issues/4023
+          # And becuase of this issue, we have to exclude tests.yml above!
+          # GITHUB_ACTIONS_COMMAND_ARGS: >-
+          #   -ignore 'property "foo" is not defined in object type'
+          #   -ignore 'property "bar" is not defined in object type'
+          #   -ignore 'property "baz" is not defined in object type'
+          #   -ignore 'property "qux" is not defined in object type'
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 78aa3e1..42dde22 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -48,14 +48,17 @@ jobs:
       - name: BAR is nither exported nor expanded
         run: |
           [[ -z $BAR ]]
+          # shellcheck disable=SC2016
           [[ '${{ steps.env.outputs.BAR }}' == '$FOO' ]]
       - name: BAZ is nither exported nor expanded
         run: |
           [[ -z $BAZ ]]
+          # shellcheck disable=SC2016
           [[ '${{ steps.env.outputs.BAZ }}' == '$USER' ]]
       - name: QUX is nither exported nor expanded
         run: |
           [[ -z $QUX ]]
+          # shellcheck disable=SC2016
           [[ '${{ steps.env.outputs.QUX }}' == '$EXTERNAL_QUX' ]]
 
   test-export:
@@ -74,12 +77,15 @@ jobs:
           [[ "$FOO" == "foo" ]]
       - name: BAR is exported, but not expanded
         run: |
+          # shellcheck disable=SC2016
           [[ "$BAR" == '$FOO' ]]
       - name: BAZ is exported, but not expanded
         run: |
+          # shellcheck disable=SC2016
           [[ "$BAZ" == '$USER' ]]
       - name: QUX is exported, but not expanded
         run: |
+          # shellcheck disable=SC2016
           [[ "$QUX" == '$EXTERNAL_QUX' ]]
 
   test-expand-without-host-env:
diff --git a/.husky/commit-msg b/.husky/commit-msg
index 7ac4889..e558931 100755
--- a/.husky/commit-msg
+++ b/.husky/commit-msg
@@ -1,4 +1,5 @@
 #!/bin/sh
+# shellcheck disable=SC1091
 . "$(dirname "$0")/_/husky.sh"
 
 npm run lint && npm run format:check
diff --git a/.husky/pre-push b/.husky/pre-push
index 023f989..63233b6 100755
--- a/.husky/pre-push
+++ b/.husky/pre-push
@@ -1,4 +1,5 @@
 #!/bin/sh
+# shellcheck disable=SC1091
 . "$(dirname "$0")/_/husky.sh"
 
 npm run lint && npm run format && npm run package && npm run check:workspace
diff --git a/README.md b/README.md
index 8c61c72..59ebd4d 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ jobs:
         run: echo $FOO $BAR
 ```
 
-See [tests.yml](.github/workflows/tests.yml) file for different ways of using the action.
+See [tests.yml](.github/workflows/tests.yml) file for more examples.
 
 ## API