dynatrace-cordova-outsystems-plugin/node_modules/acorn-globals/index.js

This plugin gives you the ability to use the Dynatrace instrumentation in your hybrid application (Cordova, Ionic, ..). It uses the Mobile Agent, the JavaScript Agent and the Javascript Bridge. The Mobile Agent will give you all device specific values con

'use strict';

var acorn = require('acorn');
var walk = require('acorn-walk');

function isScope(node) {
  return node.type === 'FunctionExpression' || node.type === 'FunctionDeclaration' || node.type === 'ArrowFunctionExpression' || node.type === 'Program';
}
function isBlockScope(node) {
  return node.type === 'BlockStatement' || isScope(node);
}

function declaresArguments(node) {
  return node.type === 'FunctionExpression' || node.type === 'FunctionDeclaration';
}

function declaresThis(node) {
  return node.type === 'FunctionExpression' || node.type === 'FunctionDeclaration';
}

function reallyParse(source, options) {
  var parseOptions = Object.assign({}, options,
    {
      allowReturnOutsideFunction: true,
      allowImportExportEverywhere: true,
      allowHashBang: true
    }
  );
  return acorn.parse(source, parseOptions);
}
module.exports = findGlobals;
module.exports.parse = reallyParse;
function findGlobals(source, options) {
  options = options || {};
  var globals = [];
  var ast;
  // istanbul ignore else
  if (typeof source === 'string') {
    ast = reallyParse(source, options);
  } else {
    ast = source;
  }
  // istanbul ignore if
  if (!(ast && typeof ast === 'object' && ast.type === 'Program')) {
    throw new TypeError('Source must be either a string of JavaScript or an acorn AST');
  }
  var declareFunction = function (node) {
    var fn = node;
    fn.locals = fn.locals || Object.create(null);
    node.params.forEach(function (node) {
      declarePattern(node, fn);
    });
    if (node.id) {
      fn.locals[node.id.name] = true;
    }
  };
  var declareClass = function (node) {
    node.locals = node.locals || Object.create(null);
    if (node.id) {
      node.locals[node.id.name] = true;
    }
  };
  var declarePattern = function (node, parent) {
    switch (node.type) {
      case 'Identifier':
        parent.locals[node.name] = true;
        break;
      case 'ObjectPattern':
        node.properties.forEach(function (node) {
          declarePattern(node.value || node.argument, parent);
        });
        break;
      case 'ArrayPattern':
        node.elements.forEach(function (node) {
          if (node) declarePattern(node, parent);
        });
        break;
      case 'RestElement':
        declarePattern(node.argument, parent);
        break;
      case 'AssignmentPattern':
        declarePattern(node.left, parent);
        break;
      // istanbul ignore next
      default:
        throw new Error('Unrecognized pattern type: ' + node.type);
    }
  };
  var declareModuleSpecifier = function (node, parents) {
    ast.locals = ast.locals || Object.create(null);
    ast.locals[node.local.name] = true;
  };
  walk.ancestor(ast, {
    'VariableDeclaration': function (node, parents) {
      var parent = null;
      for (var i = parents.length - 1; i >= 0 && parent === null; i--) {
        if (node.kind === 'var' ? isScope(parents[i]) : isBlockScope(parents[i])) {
          parent = parents[i];
        }
      }
      parent.locals = parent.locals || Object.create(null);
      node.declarations.forEach(function (declaration) {
        declarePattern(declaration.id, parent);
      });
    },
    'FunctionDeclaration': function (node, parents) {
      var parent = null;
      for (var i = parents.length - 2; i >= 0 && parent === null; i--) {
        if (isScope(parents[i])) {
          parent = parents[i];
        }
      }
      parent.locals = parent.locals || Object.create(null);
      if (node.id) {
        parent.locals[node.id.name] = true;
      }
      declareFunction(node);
    },
    'Function': declareFunction,
    'ClassDeclaration': function (node, parents) {
      var parent = null;
      for (var i = parents.length - 2; i >= 0 && parent === null; i--) {
        if (isBlockScope(parents[i])) {
          parent = parents[i];
        }
      }
      parent.locals = parent.locals || Object.create(null);
      if (node.id) {
        parent.locals[node.id.name] = true;
      }
      declareClass(node);
    },
    'Class': declareClass,
    'TryStatement': function (node) {
      if (node.handler === null) return;
      node.handler.locals = node.handler.locals || Object.create(null);
      declarePattern(node.handler.param, node.handler);
    },
    'ImportDefaultSpecifier': declareModuleSpecifier,
    'ImportSpecifier': declareModuleSpecifier,
    'ImportNamespaceSpecifier': declareModuleSpecifier
  });
  function identifier(node, parents) {
    var name = node.name;
    if (name === 'undefined') return;
    for (var i = 0; i < parents.length; i++) {
      if (name === 'arguments' && declaresArguments(parents[i])) {
        return;
      }
      if (parents[i].locals && name in parents[i].locals) {
        return;
      }
    }
    node.parents = parents.slice();
    globals.push(node);
  }
  walk.ancestor(ast, {
    'VariablePattern': identifier,
    'Identifier': identifier,
    'ThisExpression': function (node, parents) {
      for (var i = 0; i < parents.length; i++) {
        if (declaresThis(parents[i])) {
          return;
        }
      }
      node.parents = parents.slice();
      globals.push(node);
    }
  });
  var groupedGlobals = Object.create(null);
  globals.forEach(function (node) {
    var name = node.type === 'ThisExpression' ? 'this' : node.name;
    groupedGlobals[name] = (groupedGlobals[name] || []);
    groupedGlobals[name].push(node);
  });
  return Object.keys(groupedGlobals).sort().map(function (name) {
    return {name: name, nodes: groupedGlobals[name]};
  });
}