ember-template-lint/lib/rules/no-args-paths.js

Linter for Ember or Handlebars templates.

import Rule from './_base.js';

export default class NoArgsPaths extends Rule {
  /**
   * @returns {import('./types.js').VisitorReturnType<NoArgsPaths>}
   */
  visitor() {
    const isLocal = this.isLocal.bind(this);
    const log = this.log.bind(this);
    function checkPathForArgs(node) {
      if (node.parts && node.parts[0] === 'args') {
        if (node.data) {
          return false;
        }
        if (isLocal(node)) {
          return false;
        }
        return node.parts.length !== 1;
      }
      return false;
    }
    function lintArgsUsage(node) {
      const possibleLintError = checkPathForArgs(node);
      if (possibleLintError === true) {
        log({
          message: `Component templates should avoid "${node.original}" usage, try "@${node.parts
            .slice(1)
            .join('.')}" instead.`,
          node,
        });
      }
    }

    return {
      PathExpression(node) {
        lintArgsUsage(node);
      },
    };
  }
}