Added js-eslint.sh

scripts/cicd/js-eslint.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+set -e
+
+# shellcheck source=/dev/null
+. "$(dirname "$0")/../../bash-libs/fetch-and-check.sh"
+
+readonly toolchain_dir=/tmp/toolchain-eslint
+readonly eslint_config_mjs='import globals from "globals";
+import html from "eslint-plugin-html";
+import js from "@eslint/js";
+
+export default [
+  { files: ["**/*.html"], plugins: { html } },
+  { languageOptions: { globals: globals.browser } },
+  js.configs.all,
+];'
+
+echo "::group::$0: Preparation"
+    if ! command -v npm; then
+        bash <(fetch_and_check \
+            'https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.5/install.sh' \
+            '69da4f89f430cd5d6e591c2ccfa2e9e3ad55564ba60f651f00da85e04010c640')
+        # shellcheck source=/dev/null
+        . ~/.nvm/nvm.sh
+        nvm install --lts
+    fi
+    npm --version
+
+    if [ ! -d "$toolchain_dir" ]; then
+        mkdir "$toolchain_dir"
+        ( # Subshell
+            cd "$toolchain_dir"
+            npm init -y
+            npm install eslint @eslint/js eslint-plugin-html globals
+        )
+    fi
+    "$toolchain_dir/node_modules/.bin/eslint" --version
+
+    echo "$eslint_config_mjs" | tee "$toolchain_dir/eslint.config.mjs"
+echo '::endgroup::'
+
+"$toolchain_dir/node_modules/.bin/eslint" \
+    --config="$toolchain_dir/eslint.config.mjs" \
+    .