Adobe Campaign - ESLint

eslint.config.js

/**
 * Garantees consistent quality of Adobe Campaign code pulled with `acc` with ESLint.
 *
 * Adobe Campaign JavaScript code can now be controlled with static code analysis
 * And integrated in CI/CD pipelines.
 *
 * @version 2.0.0
 * @author myrosblog.com
 * @see https://myrosblog.com/adobe-campaign/acc-cli/qa-eslint
 */
export default [
  {
    ignores: [
      "**/node_modules/**",
      "**/dist/**",
      "eslint.config.js",
      "prettier.config.mjs",
    ],
    languageOptions: {
      ecmaVersion: 2015, // target ES5
      sourceType: "script", // no ES6 modules (import, export)
      globals: {
        // Adobe Campaign Classic globals
        NLWS: true,
        NL: true,
        loadLibrary: true,
        vars: true,
        // AC log
        logInfo: true,
        logVerbose: true,
        logWarning: true,
        logError: true,
        // AC low-level
        sqlExec: true,
        sqlSelect: true,
        // deprecated
        XML: true,
      },
    },
    rules: {
      // Common-error rules
      "no-cond-assign": "error",
      "no-constant-condition": "error",
      "no-debugger": "error",
      "no-duplicate-case": "error",
      "no-empty": "error",
      "no-extra-semi": "error",
      "no-func-assign": "error",
      "no-unreachable": "error",
      "no-alert": "error", // block alert(), confirm(), prompt()
      "no-eval": "error", // block eval()
      "no-undef": "error", // block undeclared variables
      "no-shadow": "error", // block shadowed variables
      "no-new-wrappers": "error", // block new String(), new Number(), etc.
      "no-dupe-args": "error",
      "no-dupe-keys": "error",
      "no-unused-vars": ["error", { varsIgnorePattern: "^_" }], // ignore variables starting with _
      "no-console": "error", // error on console.log
      eqeqeq: "error", // require === over ==
      "prefer-const": "error", // require const for variables that are never reassigned

      // AC engine: syntax that parses in ESLint but crashes SpiderMonkey 1.8.5
      "no-restricted-syntax": [
        "error",
        {
          selector: "ArrowFunctionExpression",
          message: "AC engine: use function()",
        },
        {
          selector: "TemplateLiteral",
          message: "AC engine: no template literals",
        },
        { selector: "ClassDeclaration", message: "AC engine: no class" },
        { selector: "ClassExpression", message: "AC engine: no class" },
      ],
    },
  },
];