Exclude bower_components

package.json

@@ -17,7 +17,7 @@
     "clean": "rm -rf src/*/node_modules/ build/ node_modules/ src/server_manager/install_scripts/do_install_script.ts third_party/shellcheck/download/",
     "do": "bash ./scripts/do_action.sh",
     "lint": "yarn shellcheck && yarn tslint",
-    "shellcheck": "find src scripts third_party/shellcheck -name *.sh -exec third_party/shellcheck/run.sh {} +",
+    "shellcheck": "bash ./scripts/shellcheck.sh",
     "tslint": "tslint 'src/**/*.ts' -e '**/node_modules/**'"
   },
   "workspaces": [

scripts/shellcheck.sh

@@ -0,0 +1,25 @@
+#!/bin/bash -eu
+#
+# Copyright 2021 The Outline Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This script intended to run at the repository root.
+
+readonly WRAPPER='third_party/shellcheck/run.sh'
+declare -ar START=(src scripts "${WRAPPER}")
+readonly EXCLUDE='*/bower_components'
+
+# From the specified starting points, prune excluded paths or
+# run shellcheck over all files ending in .sh.
+find "${START[@]}" -path "${EXCLUDE}" -prune -o -name '*.sh' -exec "${WRAPPER}" {} +