redux-resource-support-unshift-list/lib/utils/get-resources.js

Resource management for Redux.

'use strict';

exports.__esModule = true;

exports.default = function (resourceSlice, filter, options) {
  if (process.env.NODE_ENV !== 'production') {
    // We use duck typing to try and differentiate between a user passing the entire state tree
    // in as `resourceSlice` (which was the original getResources API).
    // eslint-disable-next-line no-inner-declarations
    function validateSlice(slice = {}) {
      return slice.hasOwnProperty('resources') && slice.hasOwnProperty('meta') && slice.hasOwnProperty('requests') && slice.hasOwnProperty('lists');
    }

    if (arguments.length === 3 && !validateSlice(resourceSlice) &&
    // We assume that undefined means that a slice is undefined, rather than the entire state tree being undefined.
    typeof resourceSlice !== 'undefined') {
      (0, _warning2.default)(`You called getResources with an argument signature that was removed in ` + `v3.0.0 of Redux Resource. The old signature accepted three arguments, with the first being the all of the store's ` + `state. The new signature of this function requires passing a resource slice as the first argument. Please ` + `update your code to use the new signature. For more information, reference the documentation at ` + `https://redux-resource.js.org/docs/api-reference/get-resources.html\n\n` + `Also, the migration guide to Redux Resource v3 can be found at: ` + `https://github.com/jamesplease/redux-resource/blob/master/packages/redux-resource/docs/migration-guides/2-to-3.md`, 'DEPRECATED_GET_RESOURCES_SIGNATURE');
    }
  }

  let byId;
  if (options && options.byId) {
    byId = options.byId;
  }

  const noResultsReturn = byId ? {} : [];

  if (!resourceSlice) {
    return noResultsReturn;
  }

  const resources = resourceSlice.resources;
  let idsList;

  if (typeof filter === 'function' || !filter) {
    const appliedFilter = filter ? filter : () => true;
    const resourcesList = Object.values(resources).filter(resource => appliedFilter(resource, resourceSlice.meta[resource.id], resourceSlice));

    return byId ? resourceArrayToObject(resourcesList) : resourcesList;
  } else if (typeof filter === 'string') {
    // This conditional handles the situation where `filter` is an list name
    const list = resourceSlice.lists[filter];
    if (!list) {
      return noResultsReturn;
    }

    idsList = list;
  } else {
    idsList = filter;
  }

  if (!(idsList && idsList.length)) {
    return noResultsReturn;
  }

  const resourcesList = idsList.map(id => resources[id]).filter(Boolean);

  return byId ? resourceArrayToObject(resourcesList) : resourcesList;
};

var _warning = require('./warning');

var _warning2 = _interopRequireDefault(_warning);

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

function resourceArrayToObject(arr) {
  return arr.reduce((memo, r) => {
    memo[r.id] = r;
    return memo;
  }, {});
}

// Returns a list of resources by IDs or list name