@gerhobbelt/mathjax-third-party-extensions/legacy/siunitx/node_modules/amdclean/src/modules/findAndStoreAllModuleIds.js

A list of MathJax extensions provided by third-party contributors

// findAndStoreAllModuleIds.js
// ===========================
// Uses Estraverse to traverse the AST so that all of the module ids can be found and stored in an object

define([
  'errorMsgs',
  'getNormalizedModuleName'
], function(
  errorMsgs,
  getNormalizedModuleName
) {
  return function findAndStoreAllModuleIds(ast) {
    var amdclean = this;

    if (!ast) {
      throw new Error(errorMsgs.emptyAst('findAndStoreAllModuleIds'));
    }

    if (!_.isPlainObject(estraverse) || !_.isFunction(estraverse.traverse)) {
      throw new Error(errorMsgs.estraverse);
    }

    estraverse.traverse(ast, {
      'enter': function(node, parent) {
        var moduleName = getNormalizedModuleName.call(amdclean, node, parent);

        // If the current module has not been stored, store it
        if (moduleName && !amdclean.storedModules[moduleName]) {
          amdclean.storedModules[moduleName] = true;
        }

        // If it is a return statement that returns a define() method call, strip the return statement
        if (node.type === 'ReturnStatement' && node.argument && node.argument.callee && node.argument.callee.name === 'define') {
          node.type = 'ExpressionStatement';
          node.expression = node.argument;
          delete node.argument;
        }
      }
    });
  };
});