grunt-systemjs-builder/tests/nojspm/libs/babel-core/lib/transformation/helpers/define-map.js

grunt task for building projects based on systemjs

/* */ 
"format cjs";
"use strict";

exports.__esModule = true;
exports.push = push;
exports.hasComputed = hasComputed;
exports.toComputedObjectFromClass = toComputedObjectFromClass;
exports.toClassObject = toClassObject;
exports.toDefineObject = toDefineObject;
// istanbul ignore next

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj["default"] = obj; return newObj; } }

// istanbul ignore next

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

var _lodashCollectionEach = require("lodash/collection/each");

var _lodashCollectionEach2 = _interopRequireDefault(_lodashCollectionEach);

var _lodashObjectHas = require("lodash/object/has");

var _lodashObjectHas2 = _interopRequireDefault(_lodashObjectHas);

var _types = require("../../types");

var t = _interopRequireWildcard(_types);

/**
 * [Please add a description.]
 */

function push(mutatorMap, node, kind, file) {
  var alias = t.toKeyAlias(node);

  //

  var map = {};
  if (_lodashObjectHas2["default"](mutatorMap, alias)) map = mutatorMap[alias];
  mutatorMap[alias] = map;

  //

  map._inherits = map._inherits || [];
  map._inherits.push(node);

  map._key = node.key;

  if (node.computed) {
    map._computed = true;
  }

  if (node.decorators) {
    var decorators = map.decorators = map.decorators || t.arrayExpression([]);
    decorators.elements = decorators.elements.concat(node.decorators.map(function (dec) {
      return dec.expression;
    }).reverse());
  }

  if (map.value || map.initializer) {
    throw file.errorWithNode(node, "Key conflict with sibling node");
  }

  if (node.value) {
    if (node.kind === "init") kind = "value";
    if (node.kind === "get") kind = "get";
    if (node.kind === "set") kind = "set";

    t.inheritsComments(node.value, node);
    map[kind] = node.value;
  }

  return map;
}

/**
 * [Please add a description.]
 */

function hasComputed(mutatorMap) {
  for (var key in mutatorMap) {
    if (mutatorMap[key]._computed) {
      return true;
    }
  }
  return false;
}

/**
 * [Please add a description.]
 */

function toComputedObjectFromClass(obj) {
  var objExpr = t.arrayExpression([]);

  for (var i = 0; i < obj.properties.length; i++) {
    var prop = obj.properties[i];
    var val = prop.value;
    val.properties.unshift(t.property("init", t.identifier("key"), t.toComputedKey(prop)));
    objExpr.elements.push(val);
  }

  return objExpr;
}

/**
 * [Please add a description.]
 */

function toClassObject(mutatorMap) {
  var objExpr = t.objectExpression([]);

  _lodashCollectionEach2["default"](mutatorMap, function (map) {
    var mapNode = t.objectExpression([]);

    var propNode = t.property("init", map._key, mapNode, map._computed);

    _lodashCollectionEach2["default"](map, function (node, key) {
      if (key[0] === "_") return;

      var inheritNode = node;
      if (t.isMethodDefinition(node) || t.isClassProperty(node)) node = node.value;

      var prop = t.property("init", t.identifier(key), node);
      t.inheritsComments(prop, inheritNode);
      t.removeComments(inheritNode);

      mapNode.properties.push(prop);
    });

    objExpr.properties.push(propNode);
  });

  return objExpr;
}

/**
 * [Please add a description.]
 */

function toDefineObject(mutatorMap) {
  _lodashCollectionEach2["default"](mutatorMap, function (map) {
    if (map.value) map.writable = t.literal(true);
    map.configurable = t.literal(true);
    map.enumerable = t.literal(true);
  });

  return toClassObject(mutatorMap);
}