src/third_party/devtools/node_modules/handlebars/dist/amd/handlebars/compiler/ast.js

define(['exports', 'module'], function (exports, module) {
  'use strict';

  var AST = {
    // Public API used to evaluate derived attributes regarding AST nodes
    helpers: {
      // a mustache is definitely a helper if:
      // * it is an eligible helper, and
      // * it has at least one parameter or hash segment
      helperExpression: function helperExpression(node) {
        return node.type === 'SubExpression' || (node.type === 'MustacheStatement' || node.type === 'BlockStatement') && !!(node.params && node.params.length || node.hash);
      },

      scopedId: function scopedId(path) {
        return (/^\.|this\b/.test(path.original)
        );
      },

      // an ID is simple if it only has one part, and that part is not
      // `..` or `this`.
      simpleId: function simpleId(path) {
        return path.parts.length === 1 && !AST.helpers.scopedId(path) && !path.depth;
      }
    }
  };

  // Must be exported as an object rather than the root of the module as the jison lexer
  // must modify the object to operate properly.
  module.exports = AST;
});
//# sourceMappingURL=data:application/json;charset=utf-8;base64,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