gatsby/dist/redux/reducers/type-owners.js

Blazing fast modern site generator for React

"use strict";

exports.__esModule = true;
exports.typeOwnersReducer = void 0;
var _commonTags = require("common-tags");
var _reportOnce = require("../../utils/report-once");
function setTypeOwner(typeName, plugin, typeOwners, fullNode) {
  const ownerName = (plugin === null || plugin === void 0 ? void 0 : plugin.name) || (fullNode === null || fullNode === void 0 ? void 0 : fullNode.internal.owner);
  if (!ownerName) {
    (0, _reportOnce.reportOnce)(`No plugin owner for type "${typeName}"`);
    return typeOwners;
  }
  const existingOwnerTypes = typeOwners.pluginsToTypes.get(ownerName);
  if (!existingOwnerTypes) {
    typeOwners.pluginsToTypes.set(ownerName, new Set([typeName]));
  } else {
    existingOwnerTypes.add(typeName);
  }
  const existingTypeOwnerNameByTypeName = typeOwners.typesToPlugins.get(typeName);
  if (!existingTypeOwnerNameByTypeName) {
    typeOwners.typesToPlugins.set(typeName, ownerName);
  } else if (existingTypeOwnerNameByTypeName !== ownerName) {
    throw new Error((0, _commonTags.stripIndent)`
      The plugin "${ownerName}" created a node of a type owned by another plugin.

      The node type "${typeName}" is owned by "${existingTypeOwnerNameByTypeName}".

      If you copy and pasted code from elsewhere, you'll need to pick a new type name
      for your new node(s).

      ${fullNode ? (0, _commonTags.stripIndent)(`The node object passed to "createNode":

              ${JSON.stringify(fullNode, null, 4)}\n`) : ``}
      The plugin creating the node:

      ${JSON.stringify(plugin, null, 4)}
    `);
  }
  return typeOwners;
}
const typeOwnersReducer = (typeOwners = {
  pluginsToTypes: new Map(),
  typesToPlugins: new Map()
}, action) => {
  switch (action.type) {
    case `DELETE_NODE`:
      {
        const {
          plugin,
          payload: internalNode
        } = action;
        if (plugin && internalNode && !action.isRecursiveChildrenDelete) {
          const pluginName = plugin.name;
          const previouslyRecordedOwnerName = typeOwners.typesToPlugins.get(internalNode.internal.type);
          if (internalNode && previouslyRecordedOwnerName && previouslyRecordedOwnerName !== pluginName) {
            throw new Error((0, _commonTags.stripIndent)`
            The plugin "${pluginName}" deleted a node of a type owned by another plugin.

            The node type "${internalNode.internal.type}" is owned by "${previouslyRecordedOwnerName}".

            The node object passed to "deleteNode":

            ${JSON.stringify(internalNode, null, 4)}

            The plugin deleting the node:

            ${JSON.stringify(plugin, null, 4)}
        `);
          }
        }
        return typeOwners;
      }
    case `CREATE_NODE`:
      {
        const {
          plugin,
          oldNode,
          payload: node
        } = action;
        const {
          owner,
          type
        } = node.internal;
        setTypeOwner(type, plugin, typeOwners, node);

        // If the node has been created in the past, check that
        // the current plugin is the same as the previous.
        if (oldNode && oldNode.internal.owner !== owner) {
          throw new Error((0, _commonTags.stripIndent)`
            Nodes can only be updated by their owner. Node "${node.id}" is
            owned by "${oldNode.internal.owner}" and another plugin "${owner}"
            tried to update it.
          `);
        }
        return typeOwners;
      }
    default:
      return typeOwners;
  }
};
exports.typeOwnersReducer = typeOwnersReducer;
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