canonical/node_modules/babel-traverse/lib/path/conversion.js

Canonical code style linter and formatter for JavaScript, SCSS, CSS and JSON.

// This file contains methods that convert the path node into another node or some other type of data.

"use strict";

var _interopRequireWildcard = require("babel-runtime/helpers/interop-require-wildcard")["default"];

exports.__esModule = true;
exports.toComputedKey = toComputedKey;
exports.ensureBlock = ensureBlock;
exports.arrowFunctionToShadowed = arrowFunctionToShadowed;

var _babelTypes = require("babel-types");

var t = _interopRequireWildcard(_babelTypes);

function toComputedKey() /*: Object*/ {
  var node = this.node;

  var key = undefined;
  if (this.isMemberExpression()) {
    key = node.property;
  } else if (this.isProperty() || this.isMethod()) {
    key = node.key;
  } else {
    throw new ReferenceError("todo");
  }

  if (!node.computed) {
    if (t.isIdentifier(key)) key = t.stringLiteral(key.name);
  }

  return key;
}

function ensureBlock() {
  return t.ensureBlock(this.node);
}

function arrowFunctionToShadowed() {
  // todo: maybe error
  if (!this.isArrowFunctionExpression()) return;

  this.ensureBlock();

  var node = this.node;

  node.expression = false;
  node.type = "FunctionExpression";
  node.shadow = node.shadow || true;
}